Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 28
Q881:
The RESPONSE message includes the hardware address and the ________ address.
A. IP
B. MAC
C. Subnet
D. Protocol
Correct Answer:
A
Chapter: 28
Q882:
Which layer's function is ARP considered to be?
A. Network Interface
B. Network
C. Transport
D. Application
Correct Answer:
A
Chapter: 28
Q883:
When an ARP message is received, the receiver checks the operation field to decide if it should send a ________.
A. Request
B. Response
C. Cache update
D. Frame discard
Correct Answer:
B
Chapter: 28
Q884:
In the ARP message delivery process, the message travels inside a ________ frame.
A. Hardware
B. Software
C. Logical
D. Physical
Correct Answer:
A
Chapter: 28
Q885:
The acronym "TARGET PADDR" in ARP messages refers to the ________ protocol address.
A. Target
B. Source
C. Destination
D. Remote
Correct Answer:
A
Chapter: 28
Q886:
The general function of ARP is to hide the details of address resolution and provide ________ to upper layers.
A. Complexity
B. Generality
C. Specificity
D. Latency
Correct Answer:
B
Chapter: 29
Q887:
End-to-end delivery service in IP datagrams is ________.
A. Connection-oriented
B. Connectionless
C. Broadcast
D. Multicast
Correct Answer:
B
Chapter: 29
Q888:
Connectionless service includes the extension of ________ abstraction.
A. LAN
B. WAN
C. MAN
D. PAN
Correct Answer:
A
Chapter: 29
Q889:
Transport protocols that use connectionless service include ________.
A. TCP
B. UDP
C. FTP
D. HTTP
Correct Answer:
B
Chapter: 29
Q890:
Virtual packets in the Internet serve the same purpose as ________ on LAN.
A. Frames
B. Segments
C. Packets
D. Datagrams
Correct Answer:
A
Chapter: 29
Q891:
Routers forward packets between physical networks and are formally called ________.
A. Gateways
B. Switches
C. Hubs
D. Bridges
Correct Answer:
A
Chapter: 29
Q892:
IP datagrams have a ________ hardware-independent format.
A. Variable
B. Uniform
C. Partial
D. Undefined
Correct Answer:
B
Chapter: 29
Q893:
An IP datagram includes which two main parts?
A. Header and Trailer
B. Header and Data
C. Data and Footer
D. Header and Checksum
Correct Answer:
B
Chapter: 29
Q894:
The fixed size of an IP datagram header is usually ________ octets.
A. 10
B. 20
C. 30
D. 40
Correct Answer:
B
Chapter: 29
Q895:
The data area of an IP datagram can contain up to ________ octets.
A. 65535
B. 1024
C. 2048
D. 4096
Correct Answer:
A
Chapter: 29
Q896:
Which of the following is NOT included in the IP datagram header?
A. Destination address
B. Source address
C. Port number
D. Identifier
Correct Answer:
C
Chapter: 29
Q897:
Routers forward datagrams based on information in the ________.
A. Header
B. Payload
C. Trailer
D. Checksum
Correct Answer:
A
Chapter: 29
Q898:
The routing table contains a list of destination networks and ________ for each destination.
A. Next hop
B. Subnet mask
C. IP address
D. Port number
Correct Answer:
A
Chapter: 29
Q899:
The routing table is initialized at system startup and updated as ________ changes.
A. Network topology
B. IP address
C. Subnet mask
D. Protocol version
Correct Answer:
A
Chapter: 29
Q900:
Address masks define how many bits of an IP address are used as a ________.
A. Prefix
B. Suffix
C. Subnet
D. Host
Correct Answer:
A