XK0-005 Practice Test

A systems administrator is investigating why one of the servers has stopped connecting to the internet.

Which of the following is causing the issue?

A.

The DNS address has been commented out in the configuration file.

B.

The search entry in the /etc/resolv.conf file is incorrect.

C.

Wired connection 1 is offline.

D.

No default route is defined.

A systems administrator pressed Ctrl+Z after starting a program using the command line, and the shell prompt was presented. In order to go back to the program, which of the following commands can the administrator use?

A.

fg

B.

su

C.

bg

D.

ed

Based on an organization’s new cybersecurity policies, an administrator has been instructed to ensure that, by default, all new users and groups that are created fall within the specified values below.

To which of the following configuration files will the required changes need to be made?

A.

/etc/login.defs

B.

/etc/security/limits.conf

C.

/etc/default/useradd

D.

/etc/profile

A Linux administrator needs to obtain a list of all volumes that are part of a volume group. Which of the following commands should the administrator use to accomplish this task?

A.

vgs

B.

lvs

C.

fdisk -1

D.

pvs

Which of the following commands is used to configure the default permissions for new files?

A.

setenforce

B.

sudo

C.

umask

D.

chmod