TRANSPORT LAYER

1. Transport layer aggregates data from different applications into a single stream before passing it to
a) network layer
b) data link layer
c) application layer
d) physical layer

Answer: a
Explanation: None.
2. Which one of the following is a transport layer protocol used in networking?
a) TCP
b) UDP
c) Both TCP and UDP
d) None of the mentioned

Answer: c
Explanation: None.
3. User datagram protocol is called connectionless because
a) all UDP packets are treated independently by transport layer
b) it sends data as a stream of related packets
c) it is received in the same order as sent order
d) none of the mentioned

Answer: a
Explanation: None.
4. Transmission control protocol is
a) connection oriented protocol
b) uses a three way handshake to establish a connection
c) recievs data from application as a single stream
d) all of the mentioned

Answer: d
Explanation: None.
5. An endpoint of an inter-process communication flow across a computer network is called
a) socket
b) pipe
c) port
d) none of the mentioned
Answer: a
Explanation: None.
6. Socket-style API for windows is called
a) wsock
b) winsock
c) wins
d) none of the mentioned
Answer: b
Explanation: None.
7. Which one of the following is a version of UDP with congestion control?
a) datagram congestion control protocol
b) stream control transmission protocol
c) structured stream transport
d) none of the mentioned

Answer: a
Explanation: None.
8. A _____ is a TCP name for a transport service access point.
a) port
b) pipe
c) node
d) none of the mentioned
Answer: a
Explanation: None.
9. Transport layer protocols deals with
a) application to application communication
b) process to process communication
c) node to node communication
d) none of the mentioned

Answer: b
Explanation: None.
10. Which one of the following is a transport layer protocol?
a) stream control transmission protocol
b) internet control message protocol
c) neighbor discovery protocol
d) dynamic host configuration protocol
Answer: a
Explanation: None.
          11. At transport layer services are identified with the help of?
a) Port Address
b) IP Address
c) Port number
d) Both A and C
Answer: d
Explanation: None
          12. At transport layer port  number is ?
a) 8-bit
b)16-bit
c) 32-bit
d) 4-bit
Answer: b
Explanation: None
          13. The combination of IP address and Port address is known as ?
a) Network Address
b) Broadcast address
c) Socket Address
d) None
Answer: c
Explanation: None
      14. UDP stands for?
a) User datagram protocol
b) User Data Program
c) Use-less Data Program
d) None
Answer: a
Explanation: None
          15. TCP stands for?
a) Transfer Control Protocol
b)Transmission Control Program
c) Transmission Control Protocol
d) None
Answer: a
Explanation: None
          16. Which is reliable protocol?
a) TCP
b) UDP
c) Both TCP and UDP
d) None
Answer: a
Explanation: None
       17. Which is connection-oriented protocol?
a) TCP
b) UDP
c) Both TCP and UDP
d) None
Answer: a
Explanation: None
       

           18. What is protocol number of TCP?
a) 6
b) 7
c) 25
d) 17
Answer: a
Explanation: None
      19. What is protocol number of UDP?
a) 6
b) 7
c) 25
d) 17
Answer: d
Explanation: None
      20. Well-known port numbers are ?
a) Assigned and Controlled by IANA
b) Not controlled and assigned by IANA.
c) Neither controlled not registered
d) None
Answer: a
Explanation: None

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