Top 1000+ Solved Computer Networks MCQ Questions Answer

From 421 to 435 of 952

Q. RPF stands for __________

a. reverse path forwarding

b. reverse path failure

c. reverse packet forwarding

d. reverse protocol failure

  • a. reverse path forwarding

Q. LSP stands for __________

a. link stable packet

b. link state packet

c. link state protocol

d. link state path

  • b. link state packet

Q. Network layer firewall works as a ________

a. frame filter

b. packet filter

c. signal filter

d. content filter

  • b. packet filter

Q. Network layer firewall has two sub-categories called ____________

a. stateful firewall and stateless firewall

b. bit oriented firewall and byte oriented firewall

c. frame firewall and packet firewall

d. network firewall and data firewall

  • a. stateful firewall and stateless firewall

Q. WPA2 is used for security in _______

a. ethernet

b. bluetooth

c. wi-fi

d. e-mail

  • c. wi-fi

Q. Open Shortest Path First (OSPF) is also called as _____________

a. link state protocol

b. error-correction protocol

c. routing information protocol

d. border gateway protocol

  • a. link state protocol

Q. The computation of the shortest path in OSPF is usually done by ____________

a. bellman-ford algorithm

b. routing information protocol

c. dijkstra’s algorithm

d. distance vector routing

  • c. dijkstra’s algorithm

Q. In OSPF, which protocol is used to discover neighbour routers automatically?

a. link state protocol

b. error-correction protocol

c. routing information protocol

d. hello protocol

  • d. hello protocol

Q. Which of the following is not a type of OSPF packet?

a. hello

b. link-state request

c. link-state response

d. link-state ack

  • c. link-state response

Q. In OSPF header, which field is used to detect errors in the packet?

a. type

b. area id

c. authentication type

d. checksum

  • d. checksum

Q. The outcome of Dijkstra’s calculation is used to populate the __________

a. topology table

b. routing table

c. neighbor table

d. adjacency table

  • b. routing table

Q. What is the IP protocol number for OSPF packets?

a. 89

b. 86

c. 20

d. 76

  • a. 89

Q. Which packet is NOT an OSPF packet type?

a. lsu

b. lsr

c. dbd

d. query

  • d. query

Q. Which multicast address does the OSPF Hello protocol use?

a. 224.0.0.5

b. 224.0.0.6

c. 224.0.0.7

d. 224.0.0.8

  • a. 224.0.0.5

Q. DBD packets are involved during which two states?

a. exstart and exchange

b. loading and two-way

c. init and full

d. down and loading

  • a. exstart and exchange
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