Chapter 2: TCP/IP

What must happen if a DHCP IP conflict occurs?
A. Proxy ARP will fix the issue.
B. The client uses a gratuitous ARP to fix the issue.
C. The administrator must fix the conflict by hand at the DHCP server.
D. The DHCP server will reassign new IP addresses to both computers.

C. The administrator must fix the conflict by hand at the DHCP server.

Which of the following Application layer protocols sets up a secure session that’s similar to Telnet?
A. FTP
B. SSH
C. DNS
D. DHCP

B. SSH

Which of the following mechanisms is used by the client to avoid a duplicate IP address during the DHCP process?
A. Ping
B. Traceroute
C. Gratuitous ARP
D. Pathping

C. Gratuitous ARP

Which of the following describe the DHCP Discover message? (Choose two.)
A. It uses ff:ff:ff:ff:ff:ff as a layer 2 broadcast.
B. It uses UDP as the Transport layer protocol.
C. It uses TCP as the Transport layer protocol.
D. It does not use a layer 2 destination address.

A. It uses ff:ff:ff:ff:ff:ff as a layer 2 broadcast, B. It uses UDP as the Transport layer protocol.

Which of the following services use TCP? (Choose three.)
A. DHCP
B. SMTP
C. SNMP
D. FTP
E. HTTP
F. TFTP

B. SMTP, D. FTP, E. HTTP.

Which of the following is an example of a multicast address?
A. 10.6.9.1
B. 192.168.10.6
C. 224.0.0.10
D. 172.16.9.5
E.

C. 224.0.0.10

Which two of the following are private IP addresses?
A. 12.0.0.1
B. 168.172.19.39
C. 172.20.14.36
D. 172.33.194.30
E. 192.168.24.43

C. 172.20.14.36, E. 192.168.24.43.

What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model?
A. Application
B. Host-to-Host
C. Internet
D. Network Access

B. Host-to-Host

Which statements are true regarding ICMP packets? (Choose two.)
A. ICMP guarantees datagram delivery.
B. ICMP can provide hosts with information about network problems.
C. ICMP is encapsulated within IP datagrams.
D. ICMP is encapsulated within UDP datagrams.

B. ICMP can provide hosts with information about network problems, C. ICMP is encapsulated within IP datagrams.

What is the address range of a Class B network address in binary?
A. 01xxxxxx
B. 0xxxxxxx
C. 10xxxxxx
D. 110xxxxx

C. 10xxxxxx.