Solved MCQ on TCP/IP and UDP in Computer Networks set-1

1) TCP is a .......... protocol.

A. stream-oriented

B. message-oriented

C. block-oriented

D. packet-oriented


2) Which of the following is not the layer of TCP/IP protocol.

A. Physical layer

B. link layer

C. network layer

D. transport layer.


3) TCP groups a number of bytes together into a packet called a ....

A. user datagram

B. segment

C. datagram

D. packet


4) The .......... of TCP/IP protocol is responsible for figuring out how to get data to its destination.

A. application layer

B. link layer

C. network layer

D. transport layer.


5) TCP is a(n) ........... transport protocol.

A. protocol delivery

B. reliable

C. best-effort delivery

D. effortless delivery


6) ......... is the protocol that hides the underlying physical network by creating a virtual network view.

A. Internet Protocol(IP)

B. Internet Control Message Protocol(ICMP)

C. Address Resolution Protocol(ARP)

D. Bootstrap Protocol(BOOTP)


7) To use the services of UDP, we need ......... socket addresses.

A. four

B. two

C. three

D. four


8) Which of the following is not the name of Regional Internet Registries(RIR) to administer the network number portion of IP address.

A. American Registry for Internet Numbers(ARIN)

B. Reseaux IP Europeans(RIPE)

C. Europeans Registry for Internet Numbers(ERIN)

D. Asia Pacific Network Information Center(APNIC)


9) UDP packets are called .......

A. user datagrams

B. segments

C. frames

D. packets


10) ............ addresses use 21 bits for the and 8 bits for the portion of the IP address for TCP/IP network.

A. Class A

B. Class B

C. Class C

D. Class D


11) UDP packets have fixed-size header of .......... bytes.

A. 16

B. 8

C. 32

D. 64


12) .......... messages are never sent in response to datagrams with a broadcast or a multicast destination address.

A. ICMP

B. ARP

C. IP

D. BOOTP


13) TCP assigns a sequence number to each segment that is being sent. The sequence number for each segment is number of the ....... byte carried in that segment.

A. first

B. last

C. middle

D. zero


14) .......... is responsible for converting the higher level protocol address (IP addresses) to physical network addresses.

A. Internet Protocol(IP)

B. Internet Control Message Protocol(ICMP)

C. Address Resolution Protocol(ARP)

D. Bootstrap Protocol(BOOTP)


15) UDP and TCP are both ......... layer protocols.

A. data link

B. network

C. transport

D. interface


16) ........... is a process-to-process protocol that adds only port addresses, checksum error control, and length information to the data from upper layer.

A. TCP

B. UDP

C. IP

D. ARP


17) Which of the following functions does UDP perform?

A. Process-to-process communication

B. Host-to-host communication

C. End-to-end reliable data delivery

D. Interface-to-interface communication.


18) A port address in TCP/IP is .........bits long.

A. 32

B. 48

C. 16

D. 64


19) When the IP layer of a receiving host receives a datagram, .....

A. delivery is complete

B. a transport layer protocol takes over

C. a header is added

D. a session layer protocol takes over


20) TCP/IP is a .......... hierarchical protocol suite developed before the OSI model.

A. seven-layer

B. five-layer

C. six-layer

D. four-layer

Answers:

1) A. stream-oriented
2) A. Physical layer
3) B. segment
4) C. network layer
5) B. reliable
6) A. Internet Protocol(IP)
7) B. two
8) C. Europeans Registry for Internet Numbers(ERIN)
9) A. user datagrams
10) C. Class C
11) B. 8
12) A. ICMP
13) A. first
14) C. Address Resolution Protocol(ARP)
15) C. transport
16) B. UDP
17) A. Process-to-process communication
18) C. 16
19) B. a transport layer protocol takes over
20) B. five-layer

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