102-500 Online Practice Questions and Answers

After issuing:

function myfunction { echo $1 $2 ; }

in Bash, which output does:

myfunction A B C

Produce?

A. A B

B. A B C

C. A C

D. B C

E. C B A

What output will the following command sequence produce?

echo '1 2 3 4 5 6' | while read a b c; do

echo result: $c $b $a;

done

A. result: 3 4 5 6 2 1

B. result: 1 2 3 4 5 6

C. result: 6 5 4

D. result: 6 5 4 3 2 1

E. result: 3 2 1

Which of the following details is NOT provided in any output from the netstat utility?

A. broadcast services

B. interface statistics

C. masquerading connections

D. network connections

E. routing tables

Which configuration file would be edited to change default options for the OpenSSH server?

A. /etc/ssh/sshd_config

B. /etc/ssh/ssh

C. /etc/ssh/server

D. /etc/ssh/ssh_config

E. /etc/ssh/ssh_server

Which of the following features are provided by SPICE? (Choose two.)

A. Connecting local USB devices to remote applications.

B. Accessing graphical applications on a remote host.

C. Replacing Xorg as local X11 server.

D. Downloading and locally installing applications from a remote machine.

E. Uploading and running a binary program on a remote machine.

Which of the following statements is true regarding systemd timer units?

A. Timer units can only be defined within a service unit's file.

B. The command executed by the timer is specified in the timer unit's [Cmd] section.

C. A dedicated system service, systemd-cron, handles the execution of timer units.

D. Timer units only exist in the system scope and are not available for users.

E. Each systemd timer unit controls a specific systemd service unit.

Which option in the chrony configuration file changes the initial interval of polls to a NTP server in order to speed up the initial synchronization?

A. iburst

B. quickstart

C. fast

D. fsync

E. flood

Which of the following commands should be executed when starting a login shell in order to change the language of messages for an internationalized program to Portuguese (pt)?

A. export LANGUAGE="pt"

B. export LC_MESSAGES="pt"

C. export UI_MESSAGES="pt"

D. export MESSAGE="pt"

E. export ALL_MESSAGES="pt"

What output is produced by the following command sequence?

echo `1 2 3 4 5 6' | while read a b c; do

echo result $c $b $a;

done

A. result: 6 5 4

B. result: 1 2 3 4 5 6

C. result: 3 4 5 6 2 1

D. result: 6 5 4 3 2 1

E. result: 3 2 1

In an xinetd configuration file, which attribute specifies the network address that will be used to provide the service?

A. bind

B. interface

C. PlaceHolder

D. PlaceHolder