Linux Foundation LFCS Exam Questions Instant Access

Question 1

By default, the contents of which directory will be copied to a new user's home directory when the account is created by passing the -m option to the useradd command? (Specify the full path to the directory.)

See Below Explanation:

Answer : A

Question 2

Which of the following is true about IPv6?

AWith IPv6, the TCP port numbers of most services have changed.

BIPv6 no longer supports broadcast addresses.

CIPv4 addresses can be used without any change with IPv6.

DIPv6 no longer supports multicast addresses.

EFor IPv6, UDP and TCP have been replaced by the Rapid Transmission Protocol RTP.

Answer : B

Question 3

To prevent a specific user from scheduling tasks with at, what should the administrator do?

AAdd the specific user to /etc/at.allow file.

BAdd the specific user to [deny] section in the /etc/atd.conf file.

CAdd the specific user to /etc/at.deny file.

DAdd the specific user to nojobs group.

ERun the following: atd --deny [user].

Answer : C

Question 4

Which of the following commands moves and resumes in the background the last stopped shell job?

Arun

Bbg

Cfg

Dback

Answer : B

Question 5

After running the command umount /mnt, the following error message is displayed:

umount: /mnt: device is busy.

What is a common reason for this message?

AThe kernel has not finished flushing disk writes to the mounted device.

BA user has a file open in the /mnt directory.

CAnother file system still contains a symlink to a file inside /mnt.

DThe files in /mnt have been scanned and added to the locate database.

EThe kernel thinks that a process is about to open a file in /mnt for reading.

Answer : B

Question 6

Which of the following commands will write a message to the terminals of all logged in users?

Abcast

Bmesg

Cprint

Dwall

Eyell

Answer : D

Question 7

The system's timezone may be set by linking /etc/localtime to an appropriate file in which directory? (Provide the full path to the directory, without any country information)

See Below Explanation:

Answer : A

Linux Foundation CERTIFIED SYSTEM ADMINISTRATOR LFCS Exam Questions