Examine this output: # df –t nfs FilesystemSizeUsedAvailUse%Mounted on o16:export30G21G7.6G74%/mnt # 1s -1 /mnt/nfs.sh -rwxr-mr-x. 1 root root 22 May 8 16:37 /mnt/nfs.sh # file /mnt/nfs.sh /mnt/nfs.sh: Bourne-Again shell script text executables # /mnt/nfs.sh bash: /mnt/nfs.sh: Permission denied
What is the reason for the error?
The file system was exported on host o16 using the ROOT_SQUASH option.
The /export filesystem was mounted with the NOEXEC option on host o16.
The filesystem mounted on /mnt was mounted with the NOEXEC option.
The filesystem was exported on host o16 by using the NO_ROOT_SQUASH option.
Which two software packages are prerequisites for enabling the configuration and use of a Network information Service (Nis) client?
nis-tools
slapi-nis
ypbind
nisserv
nisbind
yp-tools
<-- You recently updated the strace package to the latest version as shown:
What is the outcome of running this command?
It downgrades the strace package to version 4.5.19-1.6.e16.
It downgrades strace package to version 4.5.19-1.11.e16_3.2.
It fails with an error because you cannot downgrade a package using the yum command.
It fails with an error because there are multiple versions available to which Yum can downgrade the strace package.
It will prompt you to select a version of the strace package that you want to downgrade.
Which two Statements are true concerning the configuration and use of cron and anacron?
Anacron jobs are used to make sure cron jobs run if the system had been down when they were meant to run.
All crontabs are held in the /etc/cron.d directory.
Cron jobs may run as frequently as once a minute.
Anacron jobs may run as frequently as once a minute.
The crond daemon looks for jobs only in /etc/crontab.
Which statement is true concerning the /etc/sysconfig directory and its files and subdirectories?
The contents are always the same for a specific version of the Oracle Linux Kernel.
The file /etc/sysconfig/init is used by upstart to control the attributes of the tty devices that get started.
The directory /etc/sysconfig/network-scripts contains files that must not be modified while the network is up.
The files only contain default values for certain daemon processes.
< -- Examine the routing table:
Traffic to 192.168.180.180 is routed via eth1.
Traffic to 192.168.180.240 is routed via eth1.
Traffic to 192.168.0.42 is routed via eth2.
Traffic to 192.168.42.42 is routed via eth2.
Traffic to 192.168.42.42 is routed via eth0.
Traffic to 192.168.180.180 is routed via eth0.
You have a single network adapter called eth0. DEVICE = eth0 BOOTPROTO=DHCP HWADR=BC:305B:C5:63;F1 NM_CONTROLLED=no ONBOOT=YES TYPE=Ethernet PEERDNS=no UUID=C9dba2e8-9faf-4b77-bbe2-92dd81dda1f9
DHCP is used to obtain a lease on an IP address.
The dhclient command may only be used to obtain a lease at boot time.
dhclient does not override the contents of /etc/resolv.conf.
DNS is not used to resolve host names for this adapter.
dhclient overrides the contents of /etc/resolv.conf.
Which four statements are true about the proc and sysfs filesystem?
The sysfs filesystem contains information about processes.
The proc filesystem contains information about CPUs
The proc filesystem contains information about memory.
The sysfs filesystem contains information about CPUs.
The sysfs filesystem contains information about memory.
The proc filesystem contains information about the installer parameters.
You want sendmail to deliver mail for these users: John.smith@acme.comto mailbox jsmith1 John.smith@foo.comto mailbox jsmith2 John.smith@bar.comto mailbox jsmith3 In which sendmail configuration database can this requirement be defined?
/etc/aliases
/etc/mail/userdb
/etc/mail/virtusertable
/etc/mail/domaintable
/etc/mail/genericstable
What is the purpose of Setting AUTOINSTALL to YES /etc/uptrack.conf?
To install Ksplice kernel updates during the reboot of a system
To install updates to the Ksplice software Itself during a system reboot
To enable the uptrack cron job to install Ksplice kernel updates whenever they become available
To enable Ksplice to automatically install the kernel rpm whenever new Ksplice kernel updates become available
To enable Ksplice to install Ksplice kernel updates and new kernel RPMS whenever they become available
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