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Sec Ops Linux Quiz
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Questions in this quiz (23)
1Which of the following statements would create a default route using a gateway of
192.168.1.1?- AA. netstat -add default gw
- BB. route default 192.168.1.1
- CC. ip route default 192.168.1.1
- DD. route add default gw 192.168.1.1
- EE. ifconfig default gw 192.168.1.1 eth0
2Which of the following is the purpose of the dig command?
- AA. To adjust a directory’s hidden permissions
- BB. To search for files on the filesystem
- CC. To adjust a file’s hidden permissions
- DD. To perform hostname lookups
- EE. To ping all known hosts on the current subnet
3Which of the following configuration files does sudo read when determining if a user is
permitted to run applications with root privileges?- AA. /etc/groups
- BB. /etc/passwd
- CC. /etc/sudoers
- DD. /etc/sudo.conf
4The files in the /etc/skel directory are used by the:
- AA. pwconv command
- BB. pwunconv command
- CC. useradd command
- DD. passwd command
5The [blank_start]FTP[blank_end] protocol uses two (2) TCP/IP ports one of them being port 20 for data transfer?
(Please do not enter duplicate answers in this field.)- AFTP
6Which of the following statements about crontab are true? (Select TWO).
- AA. Every user may have their owncrontab.
- BB. Changing a crontab requires a reload/restart of the cron daemon.
- CC. The cron daemon reloads crontab files automatically when necessary.
- DD. hourly is the same as “0 * * * *”.
- EE. A cron daemon must run for each existing crontab.
7Which of the following commands is used to deactivate a network interface?
- AA. ifdown
- BB. ipdown
- CC. net
- DD. netdown
8Which of the following looks like a correct entry in the /etc/hosts file?
- AA. localhost 127.0.0.1 localhost.localdomain
- BB. localhost.localdomainlocalhost 127.0.0.1
- CC. localhostlocalhost.localdomain 127.0.0.1
- DD. 127.0.0.1 localhost.localdomainlocalhost
- EE. localhost.localdomain 127.0.0.1 localhost
9Which of the following lines would an administrator find in the file /etc/resolv.conf?
- AA. mycompany.com
- BB. 192.168.168.4 dns-server
- CC. hosts: files,dns
- DD. domain mycompany.com
10Which of the following commands will provide locale-specific information about a system and its environment?
- AA. loconfig
- BB. getlocale
- CC. locale
- DD. tzconfig
- EE. tzselect
11Which of the following should the permission settings be for /etc/passwd and /etc/shadow?
- AA. /etc/passwd: -rw-r–r– /etc/shadow: -r——–
- BB. /etc/passwd: -r——– /etc/shadow: -rw-r–r–
- CC. /etc/passwd: -rw-r–r– /etc/shadow: -rw-r–r–
- DD. /etc/passwd: -r——– /etc/shadow: -r——–}
12Suppose that the command netstat -a hangs for a long time without producing output. An
administrator might suspect:- AA. a problem with NFS
- BB. a problem with DNS
- CC. a problem with NIS
- DD. a problem with routing
- EE. that the netstat daemon has crashed
13Which of the following describes the Linux ping packet or datagram?
- AA. IP packet with a packet type
- BB. ICMP packet with a message type
- CC. ICMP packet with a payload
- DD. UDP datagram with a protocol type
- EE. UDP datagram with a payload
14Which of the following commands would an administrator use to create an OpenSSH
authentication key?- AA. sshd
- BB. ssh-agent
- CC. ssh-keygen
- DD. ssh-add
15Which of the following Class B IPv4 networks are reserved by IANA for private address
assignment and private routing? (Select TWO).- AA. 128.0.0.0
- BB. 169.16.0.0
- CC. 169.254.0.0
- DD. 172.16.0.0
- EE. 172.20.0.0
16The [blank_start]UDP[blank_end] IP protocol is connectionless and unreliable? (Please enter only a single answer and
do not enter duplicate answers in this field.)- AUDP
17Which of the following commands can be used to activate a specific network interface?
- AA. ipup
- BB. net
- CC. ifup
- DD. netup
18What are the three sets of permissions for a file?
- AA. user, group, others
- BB. administrator, group, others
- CC. user, standard user, others
- DD. administrator, standard user, others
19Which of the following commands will create an archive file, named backup.tar, containing all the files from the directory /home?
- AA. tar /home backup.tar
- BB. tar -cf /home backup.tar
- CC. tar -xf /home backup.tar
- DD. tar -xf backup.tar /home
- EE. tar -cf backup.tar /home
20What command would you use to get comprehensive documentation about any command in Linux?
- AA. help command
- BB. echo command
- CC. locate command
- DD. man command
- EE. get command
21Which command will display running process information in real time?
- AA. top
- BB. show current
- CC. ps current
- DD. process
22What is the command to change the password of a user?
- AA. wpasswd
- BB. gpasswd
- CC. epasswd
- DD. passwd
- EE. password
23With which command can you determine the time of the last restart of a system?
- AA. current reboottime
- BB. find reboot
- CC. expect –reboot
- DD. last | reboot
- EE. last reboot
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- Description
- Sec Ops Linux Quiz
- Author
- Martin Covill
- Language
- English
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- 42
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