Question 1

Which command can you use to change kernel parameters at runtime?

Options :

A : runctl

B :

kernctl

C : parmctl

D : sysctl

Answer: D

Question 2

Due to performance issues on a server, a Linux administrator needs to termi-nate an unresponsive process. Which of the following commands should the administrator use to terminate the process immediately without waiting for a graceful shutdown?

Options :

A : kill -SIGKILL 5545

B : kill -SIGTERM 5545

C : kill -SIGHUP 5545

D : kill -SIGINT 5545

Answer: A

Question 3

In addition to log files, what other variable data might you expect to find in "/var"?

Options :

A : According to the FHS, only log files are to be stored in "/var".

B : Kernel modules

C :

Spool files and/or directories, as well as transient and temporary files.

D : Configuration files.

Answer: C

Question 4

Zlata is a network engineer who wants to use services with better security. Which of the following should she use to provide the best data security? (Choose three.)

Options :

A : SCP

B : Telnet

C : SSH

D : FTP

E : HTTPS

F : HTTP

Answer: A,C,E

Question 5

You need to use the standard output from "command1" as the standard input for "command2". Which of the following allows you to do so?

Options :

A : command1 > command2

B :

command1 ` command2

C : command1 | command2

D : command1 ! command2

Answer: C