Lpi LPI Certifications 102-500 Questions & Answers

• Question 81:

  Which command is used to set restrictions on the size of a core file that is created for a user when a program crashes?

  A. core

  B. edquota

  C. ulimit

  D. quota

  Correct Answer: C

• Question 82:

  What is a purpose of an SSH host key?

  A. It must be sent by any SSH client in addition to a user key in order to identify the client's host.

  B. It provides the server's identity information to connecting SSH clients.

  C. It is the root key by which all user SSH keys must be signed.

  D. It authenticates any user that logs into a remote machine from the key's host.

  E. It is used by system services like cron, syslog or a backup job to automatically connect to remote hosts.

  Correct Answer: B

• Question 83:

  Which of the following commands can be used to display the local routing table? (Choose TWO correct answers.)

  A. ifconfig

  B. dig

  C. netstat

  D. route

  E. trackroute

  Correct Answer: CD

• Question 84:

  Which of the following is a valid IPv6 address?

  A. 2001:db8:3241::1

  B. 2001::db8:4581::1

  C. 2001:db8:0g41::1

  D. 2001%db8%9990%%1

  E. 2001.db8.819f..1

  Correct Answer: A

• Question 85:

  Given the following routing table:

  

  How would an outgoing packet to the destination 192.168.2.150 be handled?

  A. It would be passed to the default router 192.168.178.1 on wlan0.

  B. It would be directly transmitted on the device eth0.

  C. It would be passed to the default router 255.255.255.0 on eth0.

  D. It would be directly transmitted on the device wlan0.

  E. It would be passed to the router 192.168.1.1 on eth0.

  Correct Answer: E

• Question 86:

  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

  Correct Answer: A

• Question 87:

  Which of the following keywords can be used in the file /etc/resolv.conf? (Choose TWO correct answers.)

  A. substitute

  B. nameserver

  C. search

  D. lookup

  E. method

  Correct Answer: BC

• Question 88:

  Which of the following commands will help identify a broken router between the local and the remote machine?

  A. ps

  B. netstat

  C. nslookup

  D. ifconfig

  E. traceroute

  Correct Answer: E

• Question 89:

  Which of the following statements is valid in the file /etc/nsswitch.conf?

  A. multi on

  B. 192.168.168.4 dns-server

  C. hosts: files dns

  D. include /etc/nsswitch.d/

  Correct Answer: C

• Question 90:

  Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose THREE correct answers.)

  A. 127.0.0.0/8

  B. 10.0.0.0/8

  C. 169.255.0.0/16

  D. 172.16.0.0/12

  E. 192.168.0.0/16

  Correct Answer: BDE