Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 36
Q1141:
In NAT, private IP addresses are assigned to computers inside the ________.
A. site
B. internet
C. router
D. firewall
Correct Answer:
A
Chapter: 36
Q1142:
NAT translates addresses in ________ datagrams.
A. IP
B. TCP
C. UDP
D. HTTP
Correct Answer:
A
Chapter: 36
Q1143:
When a computer in a private network communicates to the Internet, NAT translates its ________ address to a global IP address.
A. private
B. source
C. mac
D. destination
Correct Answer:
B
Chapter: 36
Q1144:
NAT translates the destination address of incoming datagrams to the ________ site address.
A. private
B. global
C. public
D. local
Correct Answer:
A
Chapter: 36
Q1145:
Example: A site uses private network 10.0.0.0/8 internally. The first computer is assigned ________.
A. 10.0.0.1
B. 10.0.0.10
C. 192.168.0.1
D. 172.16.0.1
Correct Answer:
A
Chapter: 36
Q1146:
If computer 10.0.0.1 sends to global IP 128.211.134.4, NAT translates the IP source address of the outgoing datagram to ________.
A. global IP
B. private IP
C. mac address
D. loopback address
Correct Answer:
A
Chapter: 36
Q1147:
NAT device stores ________ information in a table for translation purposes.
A. state
B. routing
C. error
D. traffic
Correct Answer:
A
Chapter: 36
Q1148:
The translation done by NAT is ________ to each end device.
A. transparent
B. visible
C. complex
D. encrypted
Correct Answer:
A
Chapter: 36
Q1149:
The NAT box connects a private network to the ________.
A. internet
B. router
C. switch
D. firewall
Correct Answer:
A
Chapter: 36
Q1150:
Congestion control tries to prevent the network from swinging between congestion and ________.
A. under utilization
B. over utilization
C. idle state
D. packet loss
Correct Answer:
A
Chapter: 36
Q1151:
TCP segment format includes both data and ________.
A. acknowledgement
B. header
C. options
D. packet size
Correct Answer:
B
Chapter: 36
Q1152:
The site’s valid IP address in the example is ________.
A. 128.210.24.6
B. 10.0.0.1
C. 192.168.1.1
D. 172.16.0.1
Correct Answer:
A
Chapter: 36
Q1153:
NAT translates the ________ address of outgoing datagrams to the global IP address.
A. source
B. destination
C. mac
D. packet
Correct Answer:
A
Chapter: 36
Q1154:
The private address range 10.0.0.0/8 is used for ________.
A. private networks
B. public networks
C. global routing
D. subnetting
Correct Answer:
A
Chapter: 36
Q1155:
NAT helps to conserve ________ by allowing IP address sharing.
A. address space
B. bandwidth
C. packet size
D. mac addresses
Correct Answer:
A
Chapter: 36
Q1156:
Congestion control in TCP works by adjusting ________.
A. window size
B. packet size
C. segment size
D. acknowledgement timeout
Correct Answer:
A
Chapter: 36
Q1157:
The NAT box changes the IP source field of outgoing datagrams to the ________.
A. global IP
B. private IP
C. loopback IP
D. destination IP
Correct Answer:
A
Chapter: 36
Q1158:
The main purpose of congestion control is to ________.
A. avoid retransmissions due to congestion
B. encrypt data
C. increase bandwidth
D. reduce latency
Correct Answer:
A
Chapter: 36
Q1159:
NAT makes the private network appear as a single ________ to the outside world.
A. host
B. network
C. router
D. switch
Correct Answer:
B
Chapter: 36
Q1160:
When a datagram comes from the internet to a private site, NAT translates the ________ address to the private IP.
A. source
B. destination
C. mac
D. header
Correct Answer:
B