Lpi LPIC-1 102-400 Questions & Answers

• Question 11:

  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 12:

  On a regular users workstation the route command takes a long time before printing out the routing table.

  Which of the following errors does that indicate?

  A. The local routing information may be corrupted and must be re-validated using a routing protocol.

  B. One of the routers in the routing table is not available which causes the automatic router failure detection mechanism (ARF-D) to wait for a timeout.

  C. There may accidentally be more than one default router in which case a default router election has to be done on the network in order to choose one router as the default.

  D. DNS resolution may not be working as route by default tries to resolve names of routers and destinations and may run into a timeout.

  Correct Answer: D

• Question 13:

  Which of the following programs can be used to determine the routing path to a given destination?

  A. dig

  B. netstat

  C. ping

  D. route

  E. traceroute

  Correct Answer: E

• Question 14:

  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 15:

  Which of the following tools used for DNS debugging, reports not only the response from the name server but also details about the query?

  A. dnsq

  B. dig

  C. hostname

  D. dnslookup

  E. zoneinfo

  Correct Answer: B

• Question 16:

  What of the following can be done by the command ifconfig? (Choose TWO correct answers.)

  A. Set a network interface active or inactive.

  B. Specify the kernel module to be used with a network interface.

  C. Allow regular users to change the network configuration of a network interface.

  D. Change the netmask used on a network interface.

  E. Specify which network services are available on a network interface.

  Correct Answer: AD

• Question 17:

  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 18:

  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

• Question 19:

  What is true regarding TCP port 23?

  A. Port 23 is the well known port for the telnet service which is a plain text protocol that should no longer be used.

  B. Port 23 is the well known port for the SSH service which provides secure logins.

  C. Port 23 is the well known port for the rlogin service which is SSL secured by default.

  D. Port 23 is the well known port for the system login services which are encrypted when the user runs the starttls command in his login shell.

  Correct Answer: A

• Question 20:

  Which of the following keywords can be used in the file /etc/nsswitch.conf to specify a source for host name lookups? (Choose TWO correct answers.)

  A. resolv

  B. dns

  C. remote

  D. files

  E. hosts

  Correct Answer: BD