102-500 Online Practice Questions and Answers

Which of the following commands should be added to /etc/bash_profile in order to change the language of messages for an internationalized program to Portuguese (pt)?

A. export LANGUAGE="pt"

B. export MESSAGE="pt"

C. export UI_MESSAGES="pt"

D. export LC_MESSAGES="pt"

E. export ALL_MESSAGES="pt"

Which of the following are syslog facilities? (Choose TWO correct answers.)

A. local7

B. mail

C. advanced

D. postmaster

E. remote

What is the command to delete the default gateway from the system IP routing table? (Choose TWO correct answers.)

A. route del default

B. ifconfig unset default

C. netstat -r default

D. ip route del default

E. sysctl ipv4.default_gw=0

Which of the following programs uses the hosts.allow file to perform its main task of checking for access control restrictions to system services?

A. tcpd

B. inetd

C. fingerd

D. mountd

E. xinetd

Given the following excerpt of the sudo configuration:

jane ANY=NOPASSWD: /bin/kill, /bin/id, PASSWD: /sbin/fdisk

Which of the following statements are true? (Choose three.)

A. Jane can run /bin/id only after specifying her password.

B. Jane can run /sbin/fdisk after specifying root's password.

C. Jane can run /sbin/fdisk after specifying her password.

D. Jane can run /bin/kill without specifying a password.

E. Jane can run /bin/id without specifying her password.

Which of the following commands configure network interfaces based on the system's existing distribution-specific configuration files? (Choose two.)

A. ifconf

B. ifdown

C. ifpause

D. ifstart

E. ifup

Which of the following protocols is related to the term open relay?

A. SMTP

B. POP3

C. NTP

D. IMAP

E. LDAP

With IPv6, how many bits have been used for the interface identifier of an unicast address? (Specify the number using digits only.)

A. 64

B. PlaceHolder

C. PlaceHolder

D. PlaceHolder

Which parameter must be passed to ifconfig to activate a previously inactive network interface? (Specify the parameter only without any command, path or additional options)

A. up

B. PlaceHolder

C. PlaceHolder

D. PlaceHolder

On a machine running serval X servers. How do programs identify the different instances of theX11 server?

A. By a fixed UUID that is defined in the X11 configuration file.

B. By a display name like :1.

C. By the name of the user that turns the X server like x11: bob.

D. By a device name like /dov/x11/xeorvore/1.

E. By a unique IPv6 address from the fc80: /64 subnet.