[Free] 2018(Jan) EnsurePass Passguide LPI 201-400 Dumps with VCE and PDF 101-110

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LPIC-2 Exam 201

Question No: 101 – (Topic 6)

Which command can be used to scan a specified network looking for IP addresses that appear to be in use?

  1. nmap

  2. tcpdump

  3. ip

  4. netscan

  5. hostdiscover

Answer: A

Question No: 102 – (Topic 6)

Which of the following commands can be used to script interactions with various TCP or UDP services?

  1. ftp

  2. nc

  3. tcpdump

  4. strings

  5. wget

Answer: B

Question No: 103 – (Topic 6)

Which /etc/hosts.allow entries will permit access to sshd for users from the 192.168.1.0/24 subnet? (Choose TWO correct answers.)

A. sshd : 192.168.1.

B. sshd : 192.168.1

C. sshd : 192.168.1.0 netmask 255.255.255.0

D. sshd : 192.168.1.0/255.255.255.0

E. sshd : 192.168.1.0

Answer: A,D

Question No: 104 – (Topic 6)

Which of the following filter keywords for tcpdump specify the transfer direction for network packets? (Choose TWO correct answers.)

  1. source

  2. src

  3. dest

  4. src or dst

  5. both

Answer: B,D

Question No: 105 – (Topic 6)

What is the command to add another IP address (192.168.1.2) to a network interface (eth0) that already has (at least) one IP address in the 192.168.1.0/24 subnet?

A. ip add addr 192.168.1.2/32 dev eth0

B. ifconfig eth0 192.168.1.2 netmask 255.255.255.255

  1. ip addr add 192.168.1.2/32 dev eth0

  2. ipconfig eth0 192.168.1.2

Answer: C

Question No: 106 – (Topic 6)

What is incorrect about these entries in /etc/hosts which could be causing host name

lookup problems with host2?

host1 192.168.1.12

host2 192.168.1.12

  1. Two host names are using the same IP address.

  2. The server doing the query is on a different subnet.

  3. The fields are out of order.

  4. host2 is not a fully qualified domain name.

Answer: C

Question No: 107 – (Topic 6)

The following is an excerpt from the output of tcpdump -nli eth1:

13:03:17.277327 IP 192.168.123.5.1065 gt; 192.168.5.112.21: Flags [.], ack 1 (truncated)

13:03:17.598624 IP 192.168.5.112.21 gt; 192.168.123.5.1065: Flags [P.], seq (truncated)

Which network service or protocol was used?

  1. FTP

  2. HTTP

  3. SSH

  4. DNS

  5. DHCP

Answer: A

Question No: 108 – (Topic 6)

The following is an excerpt from the output of tcpdump -nli eth1 #39;udp#39;:

13:03:17.277327 IP 192.168.123.5.1065 gt; 192.168.5.112.53: 43653 A? lpi.org. (25)

13:03:17.598624 IP 192.168.5.112.53 gt; 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: D

Question No: 109 – (Topic 6)

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 gt;gt; /etc/resolv.conf

  5. route add defaultgw=192.168.0.1 if=eth0

Answer: A,C

Question No: 110 – (Topic 6)

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: A

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