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LPI 201-450 Exam
LPIC-2 Exam 201, Part 1 of 2, version 4.5 (Page 4 )

Updated On: 12-Jan-2026
Page 4 of 34
PDF with 161 Questions

CORRECT TEXT
Which program lists information about files and network connections opened by processes? (Specify ONLY the command without any path or parameters.)

  1. lsof, /usr/bin/lsof
  2. lsof, /usr/bin

Answer(s): A



Under which of the following circumstances would the command ping output the string (DUP!)?

  1. When the ICMP packets are send to a broadcast address and multiple hosts respond.
  2. When the host being sent ICMP packets is on a different network.
  3. When the router responds to the ICMP packet in addition to the host receiving the ICMP packets.
  4. When the host sending the ICMP packet is the same host as the one receiving the ICMP packets.

Answer(s): A



The following is an excerpt from the output of tcpdump -nli eth1 'udp':
13:03:17.277327 IP 192.168.123.5.1065 > 192.168.5.112.53: 43653+ A? lpi.org. (25)
13:03:17.598624 IP 192.168.5.112.53 > 192.168.123.5.1065: 43653 1/0/0 A 198.51.100.42 (41)

Which network service or protocol was used?

  1. FTP
  2. HTTP
  3. SSH
  4. DNS
  5. DHCP

Answer(s): D



Which of the following wireless tools can be used to check the wireless network link quality? (Choose TWO correct answers.)

  1. iwconfig
  2. iwlink
  3. iwscan
  4. iwifi
  5. iw

Answer(s): A,E



A network client has an ethernet interface (eth0) configured with an IP address in the subnet 192.168.0.0/24.

This subnet has a router, with the IP address 192.168.0.1, that connects this subnet to the Internet. What needs to be done on the client to enable it to use the router as its default gateway? (Choose TWO correct answers.)

  1. route add default gw 192.168.0.1 eth0
  2. ifconfig eth0 defaultroute 192.168.0.1
  3. ip route add default via 192.168.0.1 dev eth0
  4. echo defaultroute 192.168.0.1 >> /etc/resolv.conf
  5. route add defaultgw=192.168.0.1 if=eth0

Answer(s): A,C



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