100

Question

This MDADM output: Which two aspects can be determined from this output?

Answer 1

A device failed and has been removed from this RAID set.

Answer 2

It is no longer possible to write to this RAID set.

Answer 3

Read and write performance is no longer optimal on this RAID set.

Answer 4

This RAID set was built without a spare device.

Answer 5

Only Write performance is no longer optimal on this RAID set.

Answer 6

It will load the nfs module if all the modules upon which it depends have been loaded.

Answer 7

It displays the dependency resolution for the nfs module and loads all the modules upon which nfs depends before loading the nfs module.

Answer 8

It verifies that the nfs module and all other modules that depend on the nfs module are installed.

Answer 9

It displays the dependency resolution that would occur if the nfs module were to be loaded using modprobe nfs.

Answer 10

It only loads the nfs module if all the modules upon which it depends have not been loaded yet.

Answer 11

It is more secure and, therefore, more difficult to hack.

Answer 12

It has a lower Mean Time Between Failures.

Answer 13

It provides higher availability for applications by reducing Mean Time to Recovery.

Answer 14

It scales better for more CPUS, memory, and Infiniband network connections.

Answer 15

The file system was exported on host o16 using the ROOT_SQUASH option.

Answer 16

The /export filesystem was mounted with the NOEXEC option on host o16.

Answer 17

The filesystem mounted on /mnt was mounted with the NOEXEC option.

Answer 18

The filesystem was exported on host o16 by using the NO_ROOT_SQUASH option.

Answer 19

Anacron jobs are used to make sure cron jobs run if the system had been down when they were meant to run.

Answer 20

All crontabs are held in the /etc/cron.d directory.

Answer 21

Cron jobs may run as frequently as once a minute.

Answer 22

Anacron jobs may run as frequently as once a minute.

Answer 23

The crond daemon looks for jobs only in /etc/crontab.

Answer 24

It downgrades the strace package to version 4.5.19-1.6.e16.

Answer 25

It downgrades strace package to version 4.5.19-1.11.e16_3.2.

Answer 26

It fails with an error because you cannot downgrade a package using the yum command.

Answer 27

It fails with an error because there are multiple versions available to which Yum can downgrade the strace package.

Answer 28

It will prompt you to select a version of the strace package that you want to downgrade.

Answer 29

The contents are always the same for a specific version of the Oracle Linux Kernel.

Answer 30

The file /etc/sysconfig/init is used by upstart to control the attributes of the tty devices that get started.

Answer 31

The directory /etc/sysconfig/network-scripts contains files that must not be modified while the network is up.

Answer 32

The files only contain default values for certain daemon processes.

Answer 33

Traffic to 192.168.180.180 is routed via eth1.

Answer 34

Traffic to 192.168.180.240 is routed via eth1.

Answer 35

Traffic to 192.168.0.42 is routed via eth2.

Answer 36

Traffic to 192.168.42.42 is routed via eth2.

Answer 37

Traffic to 192.168.42.42 is routed via eth0.

Answer 38

Traffic to 192.168.180.180 is routed via eth0.

Answer 39

DHCP is used to obtain a lease on an IP address.

Answer 40

The dhclient command may only be used to obtain a lease at boot time.

Answer 41

dhclient does not override the contents of /etc/resolv.conf.

Answer 42

DNS is not used to resolve host names for this adapter.

Answer 43

dhclient overrides the contents of /etc/resolv.conf.

Answer 44

The sysfs filesystem contains information about processes.

Answer 45

The proc filesystem contains information about CPUs.

Answer 46

The proc filesystem contains information about memory.

Answer 47

The sysfs filesystem contains information about CPUs.

Answer 48

The sysfs filesystem contains information about memory.

Answer 49

The proc filesystem contains information about the installer parameters.

Answer 50

/etc/aliases

Answer 51

/etc/mail/userdb

Answer 52

/etc/mail/virtusertable

Answer 53

/etc/mail/domaintable

Answer 54

/etc/mail/genericstable

Answer 55

To install Ksplice kernel updates during the reboot of a system

Answer 56

To install updates to the Ksplice software Itself during a system reboot

Answer 57

To enable the uptrack cron job to install Ksplice kernel updates whenever they become available

Answer 58

To enable Ksplice to automatically install the kernel rpm whenever new Ksplice kernel updates become available

Answer 59

To enable Ksplice to install Ksplice kernel updates and new kernel RPMS whenever they become available

Answer 60

The openssh-server package must not be installed.

Answer 61

The openssh package must be installed.

Answer 62

The sshd daemon must not be started.

Answer 63

The openssh-client package must be installed.

Answer 64

The ssh-agent must be started.

Answer 65

ssh keys must be generated by any user using the ssh client.

Answer 66

Set the LDAP Search Base DN and the LDAP server address and post in /etc/openldap/ldap.conf to: dc=example, dc = com ldap://ldap.example.com:389

Answer 67

Set LDAP Search Base DN and the LDAP server address and port in /etc/ldap.conf to: dc=example, dc=com ldap://ldap.example.com:389

Answer 68

Ensure that /etc/nsswitch.conf correctly references authentication priorities: passed: files ldap shadow: files ldap group: files ldap

Answer 69

Ensure that the LDAP server name can be resolved.

Answer 70

Ensure that DNS is used to resolve the LDAP server name.

Answer 71

Set SGID on /usr/bin/passwd.

Answer 72

Set SUID on /usr/bin/passwd.

Answer 73

Set sticky bit on /usr/bin/passwd.

Answer 74

Set read and write permission for others on /etc/shadow.

Answer 75

Set permission on /etc/shadow to 600.

Answer 76

The Ksplice updates are applied early in the boot sequence despite the fact that the Internet is unreachable.

Answer 77

The Ksplice updates are not applied during the boot sequence, but they will be applied as soon as the Internet becomes reachable again.

Answer 78

The updates are not applied during the boot sequence and will not be applied after the Internet has become reachable again.

Answer 79

The system waits in the boot sequence for the internet to become reachable again.

Answer 80

The system boots to single-user mode.

Answer 81

visudo will never save the /etc/sudoers file if there are syntax errors in the file after editing.

Answer 82

visudo prompts for an action if there are syntax errors in the /etc/sudoers file after editing.

Answer 83

Using vi to edit /etc/sudoers opens the file read only.

Answer 84

Multiple administrators may edit the /etc/sudoers file simultaneously using visudo but only one may save the edited result.

Answer 85

Multiple administrators may edit the /etc/sudoers file simultaneously using vi but only one may save the edited result.

Answer 86

/etc/rc.d/rc is executed each time the /sbin/init command us used, to change services appropriately for the target run level.

Answer 87

/etc/rc.d/rc.local is executed at boot time, before the run level processing takes place.

Answer 88

/etc/rc.d/rc is executed at boot time, to start the appropriate services for the run level defined in /etc/initab.

Answer 89

/etc/rc.d/rc.sysinit is executed once at boot time, regardless of which run level is set.

Answer 90

/etc/rc.d/rc.sysint is executed each time the /sbin/init command is used to change the run level.

Answer 91

/etc/rc.d/rc3.d contains links to scripts in /etc/init.d.

Answer 92

/etc/rc.d/rc is executed after /etc/rc.d/rc.local.

Answer 93

It allows a process to request an I/O without waiting for reply.

Answer 94

It allows two or more processes to request I/O simultaneously while running on different CPUs.

Answer 95

It allows a process to request a single I/O without awaiting for a reply. However, if a second I/O is requested, then the process must wait.

Answer 96

It allows two or more processes to request I/Os and then to both be notified when both of them complete.

Answer 97

The vncserver service is shut down.

Answer 98

The vncserver service configuration is disabled only for those run levels for which it is currently enabled.

Answer 99

The vncserver service configuration is disabled for run levels 2, 3, 4 and 5.

Answer 100

The vncserver service remains in the same state it was in before the command was issued.

Answer 101

The vncserver service configuration is disabled for run levels 3 and 5 only.

Answer 102

bash-4.1# cd bash-4.1# pwd /root bash-4.1# 1s bash" 1s: command not found

Answer 103

bash-4.1# cd bash: cd: /root: No such file or directory bash-4.1# pwd / bash-4.1 # 1s bash: 1s: command not found

Answer 104

bash-4.1# cd bash: cd: command not found bash: pwd: command not found bash-4.1# 1s

Answer 105

bash: 1s; # cd bash: cd: /root: unable to access chrooted file or directory /root bash-4.1# pwd / bash-4.1 # 1s bin lib64

Answer 106

bash-4.1# cd bash: cd: /root: No such file or directory bash-4.1# pwd / bash-4.1# 1s bin lib64

Answer 107

To prevent a network interface from being brought up during system startup

Answer 108

To prevent a slave network interface from being brought up during system startup

Answer 109

To prevent an alias network interface from being brought up during system startup

Answer 110

To prevent a master network interface from being brought up during system startup

Answer 111

Files in the harhest home directory are removed.

Answer 112

The home directory of harhest is removed.

Answer 113

Files owned by narhest in any directory are removed.

Answer 114

All directories owned by harhest are removed.

Answer 115

The /var/spool/mail/harhest mailbox is removed.

Answer 116

crontab /var/spool/cron/harhest is removed.

Answer 117

1-d, 2-a, 3-b, 4-c

Answer 118

1-d, 2-b, 3-a, 4-c

Answer 119

1-a, 2-c, 3-b, 4-d

Answer 120

1-a, 2-b, 3-c, 4-d

Answer 121

The rule name prefix of "-" is tolerated for syslog and syslog.sys compatibility with no impact or rsyslog behavior regardless of the global directive settings.

Answer 122

The file name prefix of "-" is a way of disabling mail log messages under certain conditions to /var/log/maillog.

Answer 123

The filename prefix of "-" is a performance enhancement. It stops file syncing on every message. The log certain will be the same whether a minus prefix is used or not.

Answer 124

The file name prefix of "-" forces file syncing after every message is logged to ensure each message is written to disk force before attempting to write a subsequent message to the same file.

Answer 125

It supports named disk partitions.

Answer 126

It supports primary and extended partitions.

Answer 127

It supports disks greater than two terabytes.

Answer 128

It cannot be used on the system disk.

Answer 129

It supports only up to 16 partitions.

Answer 130

Only the root user can log in to the system.

Answer 131

Only users root bob and smith would be unable to log in to the system.

Answer 132

All users, including the root user, would be permitted to log in to the system.

Answer 133

All users, including the root user, would be unable to log in to the system.

Answer 134

Only users bob and smith would be unable to log in to the system.

Answer 135

It is not possible to write to any file in the proc filesystem.

Answer 136

The /proc/cmdline file contains the parameters passed to the kernel.

Answer 137

Each process has a directory named for the process number in the proc filesystem.

Answer 138

The proc filesystem contains the same hardware information that is contained in the sys filesystem for backward compatibility.

Answer 139

Each process thread has a directory named for the process thread number in the proc files/stem.

Answer 140

GRUB stage1 must always load stage1_5.

Answer 141

GRUB stage1_5 is used to process the /boot/grub/grub.conf file.

Answer 142

GRUB stage1_5 loads GRUB stage2.

Answer 143

GRUB stage1 may load GRUB stage2 directly.

Answer 144

GRUB stage1 provides support for several different filesystems, enabling stage1 to load stage1_5.

Answer 145

GRUB stage1_5 provides support for several different filesystems, enabling stage1_5 to load stage2.

Answer 146

GRUB stage2 is used to process the /boot/grub/grub.conf file.

Answer 147

Edit the startOSWbb.sh script to specify your proffered shell, ensuring that it is started in POSIX compliance mode.

Answer 148

Install ksh on the system, if not currently installed.

Answer 149

Create a Symbolic link /usr/bin/ksh that points to /bin/bash.

Answer 150

Ensure that ksh is accessible with the path /usr/bin/ksh. Create a symbolic link if necessary.

Answer 151

Create a shell alias called /usr/bin/ksh that expands to /bin/bash.

Answer 152

It may the used to raise the priority of existing processes.

Answer 153

It may be used to set the initial priority of a process.

Answer 154

A higher nice value makes a process run at a lower priority.

Answer 155

By default, a normal user can make a process run at a higher priority.

Answer 156

It may be used to lower the priority of existing processes.

Answer 157

The status of the slave interface eth1 changes to up and is promoted to the active slave and eth2 becomes the backup slave.

Answer 158

The status of the slave interface eth1 changes to up and becomes a second active slave.

Answer 159

The status of the slave interface eth1 changes to up but must be manually assigned the active or backup slave role.

Answer 160

The status of the slave interface eth1 changes to up and becomes the backup slave.

Answer 161

By default, a directory is shared with no root squashed.

Answer 162

By default, a directory is shared read write.

Answer 163

By default, a directory is shared with root squashed.

Answer 164

By default, a directory is shared read only.

Answer 165

By default, a directory is shared sync.

Answer 166

Unattended installation is only possible if installing the Unbreakable Enterprise kernel.

Answer 167

The installation may be done from an NFS-mounted Image.

Answer 168

Unattended installation is only possible if installing the Red Hat-compatible kernel.

Answer 169

The installation may be done from a USB device.

Answer 170

The installation may be done in text or graphical mode.

Answer 171

Example.com is an authoritative name server.

Answer 172

Dns1.example.com is an authoritative name server.

Answer 173

Dns2.example.com is a Cache-only name server.

Answer 174

Dns2.example.com is an authoritative name sever.

Answer 175

Dns1.example.com is a cache-only name server.

Answer 176

TLS and ldaps should not both be selected.

Answer 177

To enable idaps, you must download the Certifying Authority (CA) Certificate.

Answer 178

To enable TLS, you must download the Certifying Authority (CA) Certificate.

Answer 179

The certificate is needed to verify ownership of the secret key used for encryption.

Answer 180

There is a command-line alternative to the Authentication Configuration Tool to enable the encrypted LDAP communication.

Answer 181

Agreeing to the license agreement

Answer 182

Registering for software updated

Answer 183

Creating a nonadministrative user

Answer 184

setting the current date and time to be synchronized with an NTP server

Answer 185

Configuring the dtrace facility

Answer 186

It is freely available to all Oracle Linux customers.

Answer 187

It contains additional packages not found on the installation media.

Answer 188

It contains only binary RPM packages.

Answer 189

It contains both source and binary RPM packages.

Answer 190

It is the only location to download errata.

Answer 191

All Unbreakable Linux subscribers are allowed to deploy a local YUM repository.

Answer 192

MDO is a stripped mirror RAID set.

Answer 193

MDO is a mirrored stripped RAID set.

Answer 194

If MD1 fails, so will MDO.

Answer 195

If MD2 fails, MDO too fails.

Answer 196

If /dev/sdd1 and /dev/sdg1 fail, MDO fails.

Answer 197

UPSTART logs State Changes to /vat/log/messages.

Answer 198

UPSTART logs job goals to /var/log/massages.

Answer 199

UPSTART logs only informational messages about warnings and errors to /var/log/messages.

Answer 200

UPSTART logs only informational messages about warnings to /var/log/messages.

Answer 201

UPSTART logs event emissions to /var/log/messages.

Answer 202

It relies on the LOCKD and RPC.STATD daemons to perform file locking.

Answer 203

It uses a single port (2049) for all client/server communications.

Answer 204

The UID and GID for a particular user must be the same on both client and server to avoid file ownership problems.

Answer 205

It has support for filesystem quotas.

Answer 206

RPC.IDMAPD is used to map a UID to its username and a GID to its group name and vice versa.

Answer 207

The RPM command can detect only direct package dependencies.

Answer 208

The RPM command can detect both direct and indirect package dependencies.

Answer 209

The YUM command can detect and resolve direct and indirect package dependencies.

Answer 210

The YUM command can detect and resolve indirect package dependencies only within the same repository.

Answer 211

The YUM command can only detect and resolve direct package dependencies.

Answer 212

A source RPM can have a dependency on a binary RPM.

Answer 213

This channel is disabled and cannot be used by YUM at all.

Answer 214

This channel will not be used by YUM when searching for packages.

Answer 215

By default, YUM will not use this channel but this can be overridden on the command line.

Answer 216

This channel will not be used by YUM when it searches for packages, but YUM will check if updates exist for packages already installed from this channel.

Answer 217

Kernel boot parameters may be specified in /boot/grub/grub/conf.

Answer 218

Kernel boot parameters used to boot the running system may be examined after boot by Viewing /boot/grub/grub/conf.

Answer 219

Kernel boot parameters used to boot the running system may be examined after boot by viewing /proc/cmdline.

Answer 220

Additional kernel boot parameters may be specified in an administrator-specified parameter file that is read by grub stage.

Answer 221

Additional kernel boot parameters may be specified from the grub command line.

Answer 222

Additional kernel boot parameters may be specified in an administrator-specified parameters that is read by GRUB stage1_5.

Answer 223

Manual resizing of existing partitions on only a single device

Answer 224

Removal of all empty partitions only, leaving any Linux or non-Linux partitions unchanged

Answer 225

Replacing of existing Linux partitions only and leaving any other partitions unchanged

Answer 226

Replacing of existing non-Linux partitions only, and leaving any Linux partitions unchanged

Answer 227

Manual resizing of existing partitions on all selected devices

Answer 228

Removal of all existing partitions and creating new partitions to suit the install

Answer 229

The oracle account user on host FAROUT must issue an ssh-keygen command to generate public and private key files in the ~ oracle/.ssh directory FAROUT.

Answer 230

The oracle account user on the host WAYOUT must issue an ssh-keygen command to generate public and private key files in the ~/oracle.ssh directory on WAYOUT.

Answer 231

The Oracle account user on host FAROUT must add the contents of ~/oracle/.ssh/id_dsa.pub or ~/oracle/.ssh/is_rsa.pub file to the ~/oracle/.ssh/authorized_keys file on host WAYOUT.

Answer 232

The Oracle account user on host WAYOUT must add the contents of ~/oracle/.ddh/id_dsa or ~/oracle/.ssh/id_rsa.pub file to the ~/oracle/.ssh/authorized_keys file on host FAROUT.

Answer 233

The oracle account user on host WAYOUT must set the permissions on the ~/oracle/.ssh/authorized_keys file to 644.

Answer 234

The Oracle account user on host FAROUT must set the permissions in ~/oracle/.ssh/authorized_keys file 644.

Answer 235

The IP address 192.168.0.1 is not assigned to eth0 because the netmask is not specified.

Answer 236

The IP address 192.168.0.1 is assigned to eth0, but the interface is not activated until the network service is reloaded.

Answer 237

The IP address 192.168.0.1 is assigned to eth0, but the interface is not activated until the network service is restarted.

Answer 238

The IP address 192.168.0.1 is assigned to eth0 with the default netmask for that address, and the interface is activated immediately.

Answer 239

The Oracle user is listed in /etc/vsftpd/ftpusers.

Answer 240

The oracle user is listed in /etc/vsftpd/user_list and the USERLIST_ENABLE setting is set to YES in /etc/vsftpd/vsftpd.conf.

Answer 241

The Oracle user is listed in /etc/vsftpd/user_list and USERLIST_ENABLE setting is set to NO in /etc/vsftpd/vsftpd.conf.

Answer 242

The LOCAL_ENABLE setting is set to NO in /etc/vsftpd/vsftpd.conf.

Answer 243

The Oracle user does not exist on the o16.example.com host.

Answer 244

The asmlib kernel module is included in the Red Hat-compatible kernel.

Answer 245

The asmlib kernel module is included in the Unbreakable Enterprise Kernel (UEK).

Answer 246

The asmlib kernel module must be installed separately when using the Unbreakable Enterprise Kernel (UEK).

Answer 247

The asmlib oracleasm-support package is installed as part of the Red Hat-compatible kernel package.

Answer 248

The asmlib oracleasm-support package is included as part of the Unbreakable Enterprise Kernel (UEK) package.

Answer 249

The asmlib oracleasm-support rpm must be installed separately when using the Unbreakable Enterprise Kernel (UEK).

Answer 250

The Oracle software owner must be a Linux user called oracle.

Answer 251

The Oracle software owner must not be the root user.

Answer 252

The owner of the Oracle httpd daemon process must be the Linux user called nobody.

Answer 253

A Linux user who is a member of the OSDBA group may start an Oracle database instance.

Answer 254

The /etc/sudoers file must specify that the Oracle software owner be allowed to run commands as root.

Answer 255

The OINSTALL group owns the Oracle Inventory.

Answer 256

Apache Web Server

Answer 257

Documentation

Answer 258

X Windowing system

Answer 259

Oracle Database Server 11g

Answer 260

Red Hat compatible kernel

Answer 261

Oracle WebLogic Server 11g

Answer 262

Create a ULN account if it doesn't exist already.

Answer 263

Ensure you have a valid Oracle Linux support agreement.

Answer 264

Install the uln_register.tgz package.

Answer 265

Install the uln_register.tgz and uln_register-gnome.tgz packages.

Answer 266

Run the uln_register command as the root user and answer the prompts.

Answer 267

Install the Unbreakable Enterprise kernel (UEK).

Answer 268

Run the yum update command.

Answer 269

Reboot your system.

Answer 270

The s* shell variable holds the exit status of the last command executed in the foreground.

Answer 271

The | | operator ensures that a command is run only if the command preceding the | | operator fails.

Answer 272

If test "SMYVAR" = prod and if ["SMYVAR" *= prod ] are equivalent ways to test the value of the MYVAR variable in a shell script.

Answer 273

If the first line of the script begins with #!/bin/sh, then the sh shell program is unable to interpret the script.

Answer 274

The bash shell supports more than 10 command-line arguments.

Answer 275

The && operator ensures that a command is run regardless of the outcome of the command that preceded the && operator.

Answer 276

1, 2, 3, 4, 5, 6 and 7

Answer 277

1, 2, 3, 4, 5 and 6

Answer 278

1, 2, 5 and 6

Answer 279

1, 2, 5, 6 and 7 ^

Answer 280

1, 2 and 6

Answer 281

Create a symbolic link /dev/swapfile that points to u01/swapfile.

Answer 282

Reinitialize /u01/swapfile by issuing mkswap L swapfile /u01/swapfile.

Answer 283

Re-create the swapfile on an ext3 or ext4 filesystem.

Answer 284

Change LABEL=swapfile to /u01/swapfile in the appropriate /etc/fstab entry.

Answer 285

None, because adding filesystem based swap space is not supported.

Answer 286

grep libselinux.so.1 /var/log/dmesg

Answer 287

grep libselinux.so.1 /var/log/message

Answer 288

Oracle Database 11g Enterprise Edition single instance

Answer 289

Oracle WebLogic

Answer 290

Oracle Database Enterprise Edition Real Application Cluster

Answer 291

Oracle Enterprise Manager Cloud Control

Answer 292

Oracle Database 11g Standard Edition single instance

Answer 293

The default rule table is filter.

Answer 294

iptables has two main components: the kernel component netfilter and the command-line utility ipchains.

Answer 295

Input, output, and forward are the rule tables associated with filter.

Answer 296

PREROUTING, OUTPUT, and POSTROUTING are the chains associated with nat.

Answer 297

The main rule chains are filter, nat, and mangle.

Answer 298

The main rule tables are filter, nat, and mangle.

Answer 299

The pkill command kills a process by name.

Answer 300

A process killed with the default signal always terminates gracefully if it: does not block the kill request.

Answer 301

The kill command sends a sigkill (signal 9) by default to the process being killed.

Answer 302

The kill command may send a termination signal to more than one process at a time.

Answer 303

All signals may be blocked by a process.

Answer 304

/etc/profile, ~/ .profile

Answer 305

/etc/profile, ~/ .bash_profile

Answer 306

/etc/profile, ~/ .bash_profile, ~/ .bash_login, ~/ .profile

Answer 307

/etc/profile, ~/ .bash_profile, ~/ .profile, ~/ .bash_login

Answer 308

A primary name server

Answer 309

A secondary name server

Answer 310

Recursive caching-only nameserver

Answer 311

An authoritative name server

Answer 312

Slave name server

Answer 313

All changes made using the grub editor at boot time are saved by default to /boot/grub/grub, conf.

Answer 314

Additional parameters may be passed to the selected kernel.

Answer 315

The initrd directive may not be changed.

Answer 316

Existing kernel parameters may be changed.

Answer 317

Some of the GRUB command-line functions may be password protected.

Answer 318

It erases the sendmail package without errors.

Answer 319

It fails with an error because the package version is not supplied on the command line.

Answer 320

It fails with an error because the sendmail-cf package depends on the sendmail package.

Answer 321

It erases the sendmail package and raises an error because the sendmail package depends on the sendmail package.

Answer 322

It erases both the sendmail and sendmail-cf packages because the sendmail-cf package depends on the sendmail package.

Answer 323

If a user jules is added with the useradd jules command, a group called jules_grp is also created

Answer 324

The umask for the jules user is 002 in /etc/bashrc

Answer 325

Users belonging to a group to which user jules also belongs, are automatically able to write to the private group belonging to the jules user.

Answer 326

If a user jules is added with the user add jules command, a group called jules is also added. but no other user may be a member of that group.

Answer 327

A directory owned by a group to which several users belong, and which has the setgid fa turned on, has shared write access to all members of the group.

Answer 328

The User private Group scheme is enabled by default in Oracle Linux.

Answer 329

Ensuring that /etc/pam.d/sshd includes: account sufficient pam_nologin.so

Answer 330

Create the /etc/nologin/login.deny file containing a single line +all

Answer 331

Creating the /etc/nologin.allow file containing a single line root

Answer 332

Creating the /etc/nologin file

Answer 333

Ensuring that /etc/pam.d/sshd includes: account requiredpam_nologin.so

Answer 334

A RAID device failed and has been replaced with the hot spare.

Answer 335

A new RAID device was just added to replace a failed one.

Answer 336

Read and write performance is currently not optimal on this RAID set.

Answer 337

Only write performance is currently not optimal on this raid set.

Answer 338

An extra device was added to this RAID set to increase its size.

Answer 339

LVM supports simple, striped, mirrored, and RAID-5 Logical Volumes (LVs).

Answer 340

A Physical Volume (PV) can be created on a disk or a disk partition.

Answer 341

A Physical Volume (PV) can only be created on a disk partition.

Answer 342

A Physical Volume (PV) can be resized.

Answer 343

A Volume Group (VB) can be split into multiple Volume Groups.

Answer 344

An LVM snapshot is read-only.

Answer 345

It contains kernel parameter files.

Answer 346

It contains metadata on all block devices.

Answer 347

It contains metadata on firmware.

Answer 348

It contains metadata on all loaded modules in the kernel.

Answer 349

It contains metadata on device classes.

Answer 350

It contains metadata on system uptime.

Answer 351

It supports labels.

Answer 352

By default, it can be used by an ordinary user to mount a local file system.

Answer 353

It lists all the currently mounted filesystems, if executed without any arguments

Answer 354

It lists only the filesystems listed in /etc/fstab if executed without any arguments.

Answer 355

Only root can mount filesystems that are not listed in listed in /etc/fstab.

Answer 356

All three filesystems are mounted read-only, async.

Answer 357

/nfs1 and /nfs3 are mounted read-only, async whereas /nfs2 mounted read-write, sync.

Answer 358

/nfs1 and /nfs3 are mounted read-only, async whereas /nfs2 mounted read-only, sync.

Answer 359

All three filesystems are mounted read-write, sync.

Answer 360

The occurrence user1 in the list of disabled users causes an access denied error to the website contained in user1'1 public_html subdirecroty, overriding the enabled directive.

Answer 361

The occurrence of user1 in the list of enabled users allows access to the website contained in user1's public_html subdirectory, overriding the disabled directive.

Answer 362

The configuration produces an error upon web server startup, because the enabled and disabled directive conflict.

Answer 363

Access is guaranteed because the UserDir public_html directive applies default access to all local users on the system, overriding the enabled of disabled directive.

Answer 364

It can be used to change the state of a service.

Answer 365

It can be used to specify the run levels for which a service is to be activated.

Answer 366

It can be used to list all services and their run levels-

Answer 367

It can be used to check the status of a service to see if it is running.

Answer 368

It can be used to add a service.

Answer 369

SCP always requires a passphrase to be used.

Answer 370

SCP permits copies between two remote hosts.

Answer 371

SFTP permits transfers between two remote hosts.

Answer 372

SSH may be used to execute a single command on a remote host instead of executing the login shell on the remote host.

Answer 373

SFTP may be used to execute a command on the remote server.

Answer 374

After installing logwatch, no configuration is required to produce reports from system logs.

Answer 375

After installing logwatch, the /usr/share/logwatch/dist.conf directory will not exist because it is optional.

Answer 376

After installing logwatch, you must create /etc/logwatch/conf to produce reports from system logs.

Answer 377

After installing logwatch, all the default directories continue to exist.

Answer 378

To produce a report from the previous day's logs, the - - range yesterday parameter must be specified.

Answer 379

Running /usr/sbin/logwatch produces a report of the previous day's log files.

Answer 380

The openssh-server package must be installed.

Answer 381

The sshd service must be started.

Answer 382

The openssh package must be installed.

Answer 383

The openssh-client package must not be installed.

Answer 384

The ssh-agent must be running.

Answer 385

Using the echo command to write values to specific files in the /sys directory

Answer 386

Issuing the sysct1 -w command to write values to specific files in the /proc/sys directory

Answer 387

Issuing the sysct1 -w command to write values to specific files in the /sys directory

Answer 388

Adding to or modifying parameters in /etc/sysct1.conf and issuing the sysct1 -p command

Answer 389

Using the echo command to write values to specific files in the /proc/sys directory

Answer 390

(hd0, 0) represents the first partition on device /dev/hd0.

Answer 391

The hiddenmenu directive hides the GRUB menu only for 5 seconds after which it becomes visible again.

Answer 392

The root directive specifies an initial root filesystem, allowing access to block device modules to mount the real root filesystem on disk.

Answer 393

(hd0, 0) represents the first partition on the first drive detected by the BIOS.

Answer 394

The initrd directive specifies the initamfs, an initial root filesystem in RAM, allowing access to block device modules to mount the real root filesystem.

Answer 395

Each kernel must have an initramfs that matches the version of the kernel.

Answer 396

Because there is an Unbreakable Enterprise Kernel installed, it must be the default kernel listed as shown by the default=0 directive.

Answer 397

Application-to-disk data integrity checking

Answer 398

Device naming persistence

Answer 399

Replaces udev for all files used by any application

Answer 400

Device ownership persistence

Answer 401

Multipathing driver for luns used for asmdisks

Answer 402

locking facility for using luns in an ASM cluster

Answer 403

Move allocated physical Extents (PE) from /dev/sdd to other physical volumes using the pvmove command.

Answer 404

Remove the /dev/sdd PV using the pvremove command.

Answer 405

Resize the /dev/sdd PV to zero using the pvresize command.

Answer 406

Move allocated physical Extents (PE) from /dev/sdd to other physical volumes by using the 1vvonvert - - replace command.

Answer 407

Only messages with a priority of info from all facilities are sent to /var/log/messages.

Answer 408

Only messages with a priority of notice from the news facility are sent to /var/log/spooler.

Answer 409

Messages with a priority of debug or higher from the mail facility are sent to /var/log/message

Answer 410

Only messages with a priority of debug from the mail facility are sent to /var/log/messages.

Answer 411

It lists any files stored in the share2 directory in the /dev/sdc1 partition of the NFS server.

Answer 412

It lists any files stored in the root directory in the /dev/sdc2 partition of the NFS server.

Answer 413

It results in a permission denied error.

Answer 414

It results in a stale NFS handle error.

Answer 415

It produces no output.

Answer 416

New connection attempts timeout.

Answer 417

New connection attempts are refused and the client informed of the refusal.

Answer 418

New connection attempts always succeed.

Answer 419

New connection attempts succeed until a reload of the firewall rules.

Answer 420

Setting the hardware clock from the current system time

Answer 421

Setting the system time from the hardware clock

Answer 422

Displaying the current time in an administrator-specified format

Answer 423

Displaying the time and date in the future

Answer 424

Displaying the time and date in the past

Answer 425

Synchronizing the system time from an ntp server

Answer 426

1-d, 2-f, 3-b, 4-e, 5-c, 6-a

Answer 427

1-b, 2-f, 3-d, 4-a, 5-c, 6-e

Answer 428

1-f, 2-a, 3-c, 4-b, 5-e, 6-d

Answer 429

1-b, 2-d, 3-f, 4-a, 5-e, 6-c

Answer 430

when the integrity of the data is important

Answer 431

when you want to retransmit the dropped packages

Answer 432

when the connection with the other system is important

Answer 433

when you want to establish a connection with another system before sending data

Answer 434

to reduce redundancy in the event of hardware failure

Answer 435

to meet the requirement of hosting multiple Web sites on a single computer

Answer 436

when multiple IP networks are being used on the same physical network segment

Answer 437

when the bandwidth requirements on the network continue to grow beyond the capacity of a single network interface

Answer 438

to convert the ext2 filesystem on the /dev/sdb2 disk partition to the ext3 filesystem

Answer 439

to convert the ext3 filesystem on the /dev/sdb2 disk partition to the ext2 filesystem

Answer 440

to attach the /dev/sdb2 filesystem to the journal block device located on external journal

Answer 441

to take a backup of the journal in the /dev/sdb2 filesystem in to the super block of the /dev/sdb2 filesystem

Answer 442

SGID should be set on smith's home directory to let smith create files that belong to a group that is not his primary group.

Answer 443

The user smith can create a file that belongs to the apps group, only If his private group is the apps group as per /etc/group.

Answer 444

The user smith can use the newgrp command to change the primary group to apps, only if smith is listed in /etc/group as a member of the apps group.

Answer 445

The user smith can use the newgrp command to change the primary group to apps, but a password is required if smith is not listed in /etc/group as a member of the apps group.

Answer 446

/etc/cron.hourly

Answer 447

/etc/cron.daily

Answer 448

/etc/cron.minutely

Answer 449

/etc/cron.monthly

Answer 450

/etc/cron.yearly

Answer 451

/etc/cron.annually

Answer 452

The Linux Loader (LILO) bootloader may be chosen for installation.

Answer 453

The bootloader must be password protected and Anaconda prompts for a password in all cases.

Answer 454

The Grand Unified Bootloader (GRUB) is the only bootloader used by Oracle Linux.

Answer 455

If previously installed operating systems are found on disk partitions that were not overwritten, then an attempt is made to configure the bootloader to be able to boot them.

Answer 456

The bootloader is installed by default in the first partition of the disk.

Answer 457

set | grep service

Answer 458

echo $SERVICE

Answer 459

env | grep SERVICE

Answer 460

env $SERVICE

Answer 461

set $SERVICE

Answer 462

The /etc/passwd file contains hashed passwords for each user.

Answer 463

The /etc/shadow file contains hashed passwords for each user.

Answer 464

The GECOS field in /etc/passwd file may be empty.

Answer 465

The /etc/group file contains the group name and the hashed group password.

Answer 466

The option to run firstboot was deselected during Oracle Linux installation.

Answer 467

The system was installed with desktop graphical packages and rebooted and the firstboot utility ran successful.

Answer 468

Firstboot never ran in any run level because the service is turned off for all run levels.

Answer 469

The system was installed without selecting desktop graphical packages, thereby disabling firstboot from running.

Answer 470

The expiration date of the breemar account

Answer 471

The number of days after the breemar account is locked, that it becomes expired

Answer 472

The maximum number of days that must elapse between password changes by the user breemar before the password becomes invalid

Answer 473

The number of days after the breemar account is locked, that it becomes unlocked

Answer 474

The minimum number of days that must elapse between password changes by the user breemar

Answer 475

The maximum number of failed login attempts on the breemar account before the account is locked

Answer 476

Passwords are not required and no ssh-keygen is required either. Only passphrase are required.

Answer 477

Client users whose keys are not in the authorized_keys file on the server are unable to use passwords to authenticate themselves to the server.

Answer 478

The ssh daemon does not ask for a password before starting or stopping the sshd service.

Answer 479

Client users whose keys are not in the authorized_keys file on the client are unable to use passwords to authenticate themselves to the server.

Answer 480

It contains Oracle Linux installation ISO images.

Answer 481

It contains Oracle Linux binary RPM packages.

Answer 482

It contains Oracle Linux errata packages.

Answer 483

It contains Oracle Linux source RPM packages.

Answer 484

It contains beta Oracle Linux software packages.

Answer 485

It does not contain Unbreakable Enterprise Kernel packages.

Answer 486

The system has Oracle Linux 6 installed and the Red Hat compatible kernel is running.

Answer 487

The system has Oracle Linux 6 installed and the Oracle Unbreakable Enterprise kernel Is running.

Answer 488

It is not possible to determine which kernel is running.

Answer 489

This system has been booted at least once, with the Red Hat-compatible kernel and once with the Unbreakable Enterprise kernel.

Answer 490

The oracle-release package contains both Oracle and Red Hat release metadata.

Answer 491

The files starting with S or K are links to scripts in the /ete/init.d directory.

Answer 492

The files starting with S are always invoked by the /etc/rc.d/rc script even if the service managed by that script is already down.

Answer 493

The files starting with S or K are added by using the chkcor.fig command.

Answer 494

The files starting with K are always invoked by the /rc/rc,d/re script even if the service managed by that script is already up.

Answer 495

The files starting with S are invoked before those starting with K.

Answer 496

The iostat command runs at midnight of every day except Sunday.

Answer 497

The vmstat command runs twice per hour.

Answer 498

The vmstat command runs every other hour.

Answer 499

The vmstat command runs every second minute.

Answer 500

All cron job output is sent to the root user's mall.

Answer 501

All cron job output is sent to /var/log/messages.

Answer 502

The iostat command runs at midnight on the first day of each of the first five months of the year.

Answer 503

The files may contain options to be passed to a module only when it is a dependency of a module being inserted.

Answer 504

The file may contain shell commands to be run instead of inserting a particular module in the kernel.

Answer 505

The files may contain options to be passed to a module, only when it is inserted using a modprobe command.

Answer 506

The files may contain alias names for modules.

Answer 507

The file may contain instructions to ignore certain modules.

Answer 508

The files may contain options to be passed to a module only when it is Inserted using an insmod command.

Answer 509

The ssh-agent is used to hold private keys.

Answer 510

The ssh-add command may ask for a passphrase each time the same key is required by the same user in the same shell.

Answer 511

The ssh-agent is used to hold only public keys.

Answer 512

The ssh-add command asks for the passphrase only the first time a key is required by the same user in the same shell.

Answer 513

The ssh-add command retries the most recently saved passphrase if multiple key files are used.

Answer 514

An ext3 filesystem can be mounted as an ext2 filesystem.

Answer 515

An ext4 filesystem can be mounted as an ext3 filesystem.

Answer 516

The ext3 and ext4 filesystems both support multiple journaling modes.

Answer 517

The btrfs filesystem includes a volume manager.

Answer 518

The btrfs filesystem cannot be used for the root filesystem.

Answer 519

The ext4 filesystem is a copy-on-write filesystem.

Answer 520

The sshd service configuration is restored to the settings that existed before setting it off.

Answer 521

The sshd service configuration is restored to start In run levels 2, 3, 4 and 5.

Answer 522

The sshd service configuration is restored to start in run levels 2 and 5 only.

Answer 523

The sshd service configuration is restored to those that existed after the operating system was first installed.

Answer 524

The hr user has no write permissions on the /home/prodrun/files.1st file.

Answer 525

The hr user has no write permissions on the /home/prodrun directory.

Answer 526

The dailyrun.sh shell script has the setuid bit turned off.

Answer 527

The hr user environment has set on the noclobber option.

Answer 528

It is a new name for oracle-validated package from Oracle Linux 5 that sets parameters to the same values.

Answer 529

It creates the oracle user if not already created, which owns the Grid Infrastructure software should that get installed.

Answer 530

It creates the grid user if not already created which owns the grid infrastructure software should that get installed.

Answer 531

It modifies kernel parameters in /etc/sysctl.conf.

Answer 532

It runs at the first boot after installing the packages to set a parameter indicating that is has run once.

Answer 533

It modifies parameters in the /etc/sysconfig/network-scripts directly.

Answer 534

It creates the osoper group, if not already created.

Answer 535

It fails with an error because the sendmail-cf package depends on the package being removed.

Answer 536

It succeeds and removes both the sendmail and sendmail-cf packages.

Answer 537

It succeeds and only removes the sendmail package.

Answer 538

It removes the sendmail packages and raises a warning about the sendmail-cf package, which depends on the package being removed.

Answer 539

It removes the sendmail package and prompts you for the option to remove the sendmail-cf package.

Answer 540

to change the priority of process with ID 20 and all processes owned by the user smith

Answer 541

to change the priority of process with ID 20 and all processes owned by the users daemon

Answer 542

to change the priority of processes with IDs 1 and 987 and all processes owned by daemon and smith to 20

Answer 543

to change the priority of processes with IDs 987 and 20 and all processes owned by users daemon and smith

Answer 544

1-C, 2-A, 3-D, 4-B

Answer 545

1-C, 2-D, 3-A, 4-B

Answer 546

1-B, 2-A, 3-D, 4-C

Answer 547

1-B, 2-D, 3-A, 4-C

Answer 548

It can be performed using only network file system (NFS).

Answer 549

The Anaconda has to be made aware of the kickstart installation by passing the ks option at the boot: prompt.

Answer 550

By default, the kickstart installation sets the same root password if all the systems are set up using the same kickstart file.

Answer 551

Omitting any required item during the kickstart file creation would cause the item to be skipped during the kickstart installation without requiring any user intervention.

Answer 552

Have /opt directory on its own filesystem with the filesystem being ext3.

Answer 553

Have /home directory on its own filesystem with the filesystem being ext3.

Answer 554

Have /var directory on its own filesystem and all other filesystems under / (root filesystem).

Answer 555

Have /usr directory on its own filesystem and all other filesystems under / (root filesystem).

Answer 556

Use the date command to adjust the system clock.

Answer 557

Use the rdate command to adjust the hardware clock.

Answer 558

Use the ntpdate command to adjust the system clock.

Answer 559

Use the hwclock command to change the hardware clock time.

Answer 560

when you want to boot from a network

Answer 561

when there is a need for a serial console

Answer 562

when you want to have a dual boot on the system

Answer 563

when you want the support for journaling file system

Answer 564

when you want to boot the system by just passing the kernel and the initrd files path at the boot prompt

Answer 565

The root filesystem / can be installed on a Logical Volume.

Answer 566

The LVM does not have built-in support for striping and mirroring.

Answer 567

Two Volume Groups can be merged together to form a single Volume Group.

Answer 568

The Logical Volumes can be extended without even unmounting the filesystems.

Answer 569

Physical Volumes can be added as well as removed from an existing Volume Group.

Answer 570

If only the /etc/at.deny file exists, all users are denied from using at, except the root user.

Answer 571

If /etc/at.allow and /etc/at.deny files do not exist, all users are permitted to use at.

Answer 572

If /etc/at.allow and /etc/at.deny files do not exist, only the root user is permitted to use at.

Answer 573

If only the /etc/at.allow file exists, only the users whose names are listed in the /etc/at.allow file are allowed to use at.

Answer 574

If /etc/at.allow and /etc/at.deny files exist, only the users whose names are listed in /etc/at.allow would be allowed to use at.

Answer 575

The network file system (NFS) service would not let station1 to write on the /export/setup share.

Answer 576

The NFS service would grant all other machines read and write access without squashing the root privileges except station1.

Answer 577

The NFS protocol on the server requires that requests from station1 should originate on an internet port greater than port 1024.

Answer 578

The NFS protocol on the server would reply to requests from station1 only after any changes made by that request have been committed to stable storage (/export/setup).

Answer 579

Only targeted network daemons are protected.

Answer 580

Separate types are defined for most commands and services.

Answer 581

Full SELinux protection would be applicable for all the daemons and applications.

Answer 582

Applications that do not have any policy defined would run in the unconfined_t domain.

Answer 583

Applications that do not have any policy defined would be denied access to the rest of the system.

Answer 584

It sets up the system clock.

Answer 585

It configures kernel parameters.

Answer 586

It does not configure swap space.

Answer 587

It is read before the /etc/inittab file by init.

Answer 588

It saves dmesg content to the /var/log/dmesg file.

Answer 589

Multiple X servers can be run on the same host.

Answer 590

The first X server on a remote host listens on port 6000.

Answer 591

The first X server on a remote host listens on port 6001.

Answer 592

Only a single X server can run on a machine at any given point of time.

Answer 593

scp always requires a passphrase to be used

Answer 594

scp permits copies between two remote hosts

Answer 595

ssh may be used to execute a single command on a remote host instead of executing the login shell on the remote host

Answer 596

sftp may be used to execute a command on the remote server

Answer 597

The web server has no documents to serve

Answer 598

The firewall blocked the connection due to an unintended rule blocking localhost port 80

Answer 599

The web server is not listening on the local loopback adapter

Answer 600

The system has no route to localhost

Answer 601

executing the shell script using an alias created with the alias dailyrun='bash dailyrun.sh'

Answer 602

executing the shell script using an alias created with the alias dailyrun=dailyrun.sh

Answer 603

executing the shell script from the shell prompt using the bash command

Answer 604

executing the shell script from the shell prompt using the sh command

Answer 605

executing the shell script from within a shell function using an alias created with the alias dailyrun='dailyrun.sh'

Answer 606

1-c, 2-d, 3-a, 4-f

Answer 607

1-c, 2-b, 3-d, 4-a

Answer 608

1-c, 2-d, 3-a, 4-b

Answer 609

1-e, 2-c, 3-a, 4-d

Answer 610

mkdir /test/test1/stored/all

Answer 611

mkdir -r test/test1/stored/all

Answer 612

mkdir -p test/test1/stored/all

Answer 613

mkdir R test/test1/stored/all E. mkdir r /tmp/test/test1/stored/all

Answer 614

mkdir -r /tmp/test/test1/stored/all

Answer 615

All of the GRUB bootloader code is written to the Master Boot Record (MBR)

Answer 616

A portion of the GRUB bootloader code is written to the Master Boot Record (MBR) and the rest is written to the / filesystem

Answer 617

All of the GRUB bootloader code is written to the /boot filesystem

Answer 618

A portion of the GRUB bootloader code is written to the /boot filesystem and the rest is written to the / filesystem

Answer 619

A portion of the GRUB bootloader code is written to the Master Boot Record (MBR) and the rest is written to the /boot filesystem

Answer 620

The /etc/ssh/ssh_config file is the global configuration file for the sshd server daemon

Answer 621

If user harhest has an ssh configuration file called /home/harhest/.ssh/config, then this overrides the /etc/ssh/ssh_config file for OpenSSH sessions used by harhest

Answer 622

Copying the /harhest/.ssh/known_hosts file from user harhest on hosta to the /jopam/.ssh/known_hosts file for user jopam on hostb, permits harhest to use OpenSSH commands to access the jopam account without supplying a password

Answer 623

An ssh client uses either id_dsa.pub or id_rsa.pub to authenticate itself without a password, to an ssh server, which checks them into the target users' authorized_keys file

Answer 624

yum will not check for dependencies when installing packages from this channel

Answer 625

yum will not perform key verification during package installation from this channel

Answer 626

This channel will not be used by yum when it checks for updated packages

Answer 627

This channel will not be used by yum when it searches for packages

Answer 628

yum will not check if the channel metadata is up-to-date for this channel

Answer 629

The oracle user may list the root user's crontab using cat /var/spoo1/cron/root

Answer 630

The oracle user may list the root user's crontab using crontab -u root -1

Answer 631

The oracle user may not delete the root user's crontab using crontab -u root -r

Answer 632

The oracle user may not modify the root user's crontab using crontab -u root -e

Answer 633

The root user may not create the oracle user's crontab using crontab -u oracle -e

Answer 634

The root user may modify the oracle user's crontab using crontab -u oracle -e

Answer 635

The links in /etc to the directories in /etc/rc.d are provided to make Linux run level processing configuration resemble the SysV UNIX configuration

Answer 636

The links in /etc to the directories in /etc/rc.d are provided to permit one set to have different owners or ppermissions than the other

Answer 637

The links in /etc to the directories in /etc/rc.d are not required and must have been added by the administrator

Answer 638

The links in /etc to the directories in /etc/rc.d are provided to allow /etc/rc.d/rc to work properly

Answer 639

downgrading an installed system

Answer 640

booting an installed system from a local drive

Answer 641

attempting a rescue to repair problems with a partition table that prevents booting an installed system

Answer 642

deinstalling an installed system

Answer 643

upgrading an installed system

Answer 644

dsa keys must be protected by a passphrase

Answer 645

dsa keys are supported by version 2 of the ssh protocol

Answer 646

rsa keys are supported by version 2 of the ssh protocol

Answer 647

rsa keys are supported by version 1 of the ssh protocol

Answer 648

dsa keys are supported by version 1 of the ssh protocol

Answer 649

rsa keys must be protected by a passphrase

Answer 650

Install the system using text mode

Answer 651

Press the tab key and enter askmethod to allow a choice of video drivers to be listed

Answer 652

Specify the screen resolution at the Anaconda boot prompt

Answer 653

Install the system using a different X server

Answer 654

Install the system with the basic video driver option

Answer 655

It does not support disks with more than 1024 cylinders

Answer 656

It can be used on the boot disk

Answer 657

It supports either four primary partitions or three primary partitions and one extended partition

Answer 658

It can be used on disks up to four terabytes in size

Answer 659

It supports named partitions

Answer 660

1-d, 2-b, 3-e, 4-a, 5-c

Answer 661

1-b, 2-a, 3-e, 4-d, 5-c

Answer 662

1-e, 2-c, 3-a, 4-b, 5-d

Answer 663

1-d, 2-a, 3-c, 4-b, 5-e

Answer 664

They are only available to Oracle Premium Support customers

Answer 665

They contain a number of other RPMS that are required for a successful Oracle database product installation

Answer 666

They have dependencies on a number of other RPMS that are required for a successful Oracle database product installation

Answer 667

The oracle-validated RPMS if used, must be installed before installing an Oracle database product

Answer 668

The oracle-validated RPMS if used, must be installed after installing an Oracle database product

Answer 669

Hosts FAROUT and WAYOUT swap public host keys and compare them to the keys that were saved locally in the /oracle/.ssh/known_hosts file

Answer 670

The ssh client on host FAROUT, compares the public host key supplied by host WAYOUT with the public host key that was saved in the /oracle/.ssh/known_hosts file on server FAROUT

Answer 671

The ssh server on host WAYOUT, compares the public host key supplied by host FAROUT with the public host key that was saved in the /oracle/.ssh/authorized_keys file on server WAYOUT

Answer 672

The ssh client on host FAROUT, compares the public host key supplied by host WAYOUT with the public host key that was saved in the /oracle/.ssh/authorized_keys file on server FAROUT

Answer 673

The ssh server on host WAYOUT, compares the public host key supplied by host FAROUT with the public host key that was saved in the /oracle/.ssh/known_hosts file on server WAYOUT

Answer 674

The number of HugePages is defined in /etc/security/limits.conf

Answer 675

The number of HugePages is controlled by a Linux kernel parameter

Answer 676

HugePages are never swapped to disk

Answer 677

HugePages usage reduces page table overhead

Answer 678

The number of HugePages is controlled by Oracle database parameters

Answer 679

to detach a copy from a mirrored logical volume

Answer 680

to reattach a detached copy back to its original logical volume

Answer 681

to add an additional copy to an already mirrored logical volume

Answer 682

to convert a linear logical volume into a mirrored logical volume

Answer 683

to convert a mirrored logical volume into a linear logical volume

Answer 684

to allow a non-root user to bring a network interface up or down using the ifup and ifdown commands

Answer 685

to allow a non-root user to bring a network interface up or down using the ifconfig command

Answer 686

to allow a non-root user to bring a network interface up or down using the ethtool command

Answer 687

to allow a non-root user to bring a network interface up or down using the ifup, ifdown, and ifconfig commands

Answer 688

RAID devices can only be built on disk partitions

Answer 689

It can be configured to have spare devices

Answer 690

It supports striping, mirroring, and a combination of striping and mirroring

Answer 691

It includes snapshot functionality

Answer 692

It can be used to mirror the root filesystem

Answer 693

It downloads three updates, clones the running kernel in memory, applies the updates in one single atomic update, and uses Kexec to activate the updated kernel

Answer 694

It downloads 11 updates and applies them one by one to the running kernel

Answer 695

It downloads 11 updates and applies them in a single transaction to the running kernel

Answer 696

It downloads three updates and applies them in a single transaction to the running kernel

Answer 697

a partition on a Logical Volume Manager Logical (LVM) managed volume

Answer 698

a partition on a local hard disk

Answer 699

a Linux Multi Disk (MD) driver device

Answer 700

a partition on a flash disk

Answer 701

a swap file on the root file system

Answer 702

The status of the slave interface eth2 changes to up and becomes a backup slave

Answer 703

The status of the slave interface eth2 changes to up and becomes a second active slave.

Answer 704

The status of the slave interface eth2 changes to up but must be manually assigned the active or backup slave role.

Answer 705

The status of the slave interface eth2 changes to up and is promoted to the primary active slave whereas eth1 becomes the backup slave

Answer 706

An RPM can be installed from a local filesystem or a remote repository using the rpm command

Answer 707

In general, it is possible to have multiple versions of the same RPM package installed on a single system

Answer 708

a source RPM is machine architecture dependent

Answer 709

a binary RPM contains compiled programs as well as the source code of these programs

Answer 710

a RPM package can contain programs, documentation installation procedures, source files, and metadata about itself

Answer 711

A user may use su to start a new shell

Answer 712

The /etc/sudoers file may be edited to permit certain executables to be used with root privileges only if they are run on certain hosts

Answer 713

Using su-test to switch to the test user does not run the test user's login scripts

Answer 714

The /etc/sudoers file may be edited to prevent a user from using su to switch to another user

Answer 715

The /etc/sudoers file may be edited to allow a use to execute certain root-owned executables with root privileges

Answer 716

The /etc/sudoers file may be edited to prevent root from executing certain executables unless a password is provided

Answer 717

requisite flagged modules are ignored if they fail

Answer 718

requisite flagged modules must be successfully checked for authentication to succeed. If a requisite module checks fails, the user is notified immediately with a message reflecting the first failed required or requisite module

Answer 719

requisite items only play a role when no other modules of that module type have succeeded or failed. In that case, the success or failure of a requisite flagged module determines the overall PAM authentication for that module type

Answer 720

requisite flagged modules must be successfully checked for authentication to succeed. If a requisite module checks fails, the user is not notified until all other modules of the same module's type have been checked

Answer 721

It can update both the Unbreakable Enterprise Kernel (UEK) as well as the Red Hat compatible kernel

Answer 722

It can update both the running kernel in memory and the corresponding kernel image on disk

Answer 723

It requires access to the Internet, either direct or via a proxy server

Answer 724

It can update the kernel without rebooting the system

Answer 725

Updates to the Ksplice software are installed automatically

Answer 726

OSWbb is a part of the standard Oracle Linux distribution

Answer 727

OSWbb is an Oracle product and must be installed after system installation using yum or rpm

Answer 728

OSWbb is an Oracle product and is installed by downloading is from MOS and unpacking a tar file

Answer 729

OSWbb is a set of scripts using traditional UNIX monitoring tools to gather system activity and performance data

Answer 730

OSWbb maintains an archive of text files containing gathered statistics

Answer 731

OSWbb is designed to work with any POSIX-compliant shell

Answer 732

The goodbred account has default values assigned from the /etc/login.defs file

Answer 733

The goodbred account has /sbin/nologin as the shell in /etc/passwd

Answer 734

The goodbred account has default values assigned from the /etc/default/useradd file

Answer 735

The goodbred account is locked

Answer 736

The goodbred account will never have files copied from /etc/skel to the /etc/home/goodbred directory

Answer 737

Run ntpd at system boot to ensure that the system clock is synchronized with the reference time server

Answer 738

Run rdate at system boot to ensure that the system clock is synchronized with the reference time server

Answer 739

Run the ntpdate daemon to update the system clock, thereby keeping it synchronized with the reference time server

Answer 740

Run ntpdate at system boot to ensure that the system clock is synchronized with the reference time server

Answer 741

Run the ntpd daemon to update the system clock, thereby keeping it synchronized with the reference time server

Answer 742

Run the rdate daemon to update the system clock, thereby keeping it synchronized with the reference time server

Answer 743

echo can be used to change values for various system parameters

Answer 744

sysctl -w can be used to change values for various system parameters

Answer 745

Changes made using echo are lost after rebooting the system

Answer 746

Changes made using sysctl -w are preserved after rebooting the system

Answer 747

Changes made to /etc/sysctl.conf take effect immediately after saving the file

	Erstellt von Arturo Carmona vor mehr als 5 Jahre

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