What is the function of network layer MCQ

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Showing 1 to 0 out of 10 Questions

Showing 1 to 0 out of 10 Questions

Answer: a
Clarification: The network layer is the third level of the open system interconnection model and the layer that provides data routing paths for network communication.

2. Data in network layer is transferred in the form of ____________ a) Layers b) Packets c) Bytes

d) Bits

Answer: b
Clarification: Data is transferred in the form of packets via logical network paths in an ordered format controlled by the network layer.

3. The network layer is considered as the _______ of the network layer. a) backbone b) packets c) bytes

d) bits

Answer: a
Clarification: The network layer is considered as the backbone of the network layer. It selects and manages the best logical path for data transfer between nodes.

4. The network layer contains which hardware device? a) Routers, Bridges b) Bridges only c) Bridges and switches

d) Routers, Bridges and Switches

Answer: d
Clarification: This layer contains hardware devices such as routers, bridges, firewalls, and switches, but it actually creates a logical image of the most efficient communication rout and implements it with a physical medium.

5. Network layer protocol exits in _________ a) Host b) Switches c) Packets

d) Bridges

Answer: a
Clarification: Network layer protocols exits in every host or router. The router examines the header fields of all the IP packets that pass through it.

6. What are the common protocols associated with the network layer? a) Address Resolution Protocol b) Reverse Address Resolution Protocol c) Internet protocol

d) Neighbour Discovery Protocol

Answer: c
Clarification: Internet protocol and Netware IPX/SPX are the most common protocols associated with the network layer.

7. The network layer responds to request from which layer? a) Transport layer b) Data layer c) Application layer

d) Session layer

Answer: a
Clarification: In OSI model, we are having 7 layers in which the network layer responds to request from the layer above it called Transport Layer.

8. The network layer issues request to which layer? a) Transport layer b) Data layer c) Application layer

d) Session layer

Answer: b
Clarification: In OSI model, we are having 7 layers in which the network layer issues request to the layer below it called Data Link Layer.

9. IP is connectionless. a) True

b) False

Answer: a
Clarification: IP is connectionless, is that a data packet can travel from a sender to a receiver without the recipient having to send an acknowledgment connection-oriented protocols exits at other, higher layers of the OSI model.

10. Does network layer in TCP/IP and OSI Model are same. a) True

b) False

Answer: b
Clarification: The TCP/IP Internet layer is in fact only a subset of functionality of the network layer. It describes only one type of network architecture, the Internet.

11. What are called routers? a) The devices that operates at session layer b) The devices that operates at data layer c) The devices that operates at application layer

d) The devices that operates at network

Answer: d
Clarification: The network interconnection devices that operate at the network layer are usually called routes, which at this point should hopefully come as no surprise to you.

12. ICMP stands for __________ a) Internet Coordinate Message Protocol b) Internet Control Message Protocol c) Interconnect Control Message Protocol

d) Interconnect Coordinate Message Protocol

Answer: b
Clarification: The Internet Protocol is the key network layer protocol that implements the TCP/IP Protocol suites. Since IP is the protocol that provides the mechanism for delivering datagrams, between devices, it is designed to be relatively basic, and to function with few “bell and whistles”.

13. Packets will be transferred in how many types? a) 5 types b) 4 types c) 2 types

d) 3 types

Answer: d Clarification: Routing deals with determining how packet will routed (transferred) from source to destination. It can of three types : 1. Static 2. Dynamic

3. Semi Dynamic.

14. DDP stands for _________ a) Datagram Delivery Protocol b) Device Delivery Protocol c) Datagram Device Protocol

d) Device Datagram Protocol

Answer: a
Clarification: Datagram Delivery Protocol is a member of the AppleTalk networking protocol suite. Its main responsibility is for socket to socket delivery of datagram over an AppleTalk network.

15. RIP stands for ________ a) Reduced Information Protocol b) Routing Internet Protocol c) Routing Information Protocol

d) Reduced Internet Protocol

Answer: c
Clarification: The Routing Information Protocol is one of the oldest distance vector routing protocols which employ the hop count as a routing metric.