In OSPF database descriptor packet, which field is used to indicate that the router is master?

A. M
B. Ms
C. I
D. Options

In OSPF database descriptor packet, if there are more database descriptor packets in the flow, ‘M’ field is set to ____________

A. 1
B. 0
C. More
D. -1

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

A. Type
B. Area id
C. Authentication type
D. Checksum

What is the correct order of the operations of OSPF? i – Hello packets ii – Propagation of link-state information and building of routing tables iii – Establishing adjacencies and synchronization of database

A. I-ii-iii
B. I-iii-ii
C. Iii-ii-i
D. Ii-i-iii

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

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

Which of the following is false with respect to the features of OSPF?

A. Support for fixed-length subnetting by including the subnet mask in the routing message
B. More flexible link cost than can range from 1 to 65535
C. Use of designated router
D. Distribution of traffic over multiple paths that have equal cost to the destination

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

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

When a DNS server accepts and uses incorrect information from a host that has no authority giving that information, then it is called _________

A. DNS lookup
B. DNS hijacking
C. DNS spoofing
D. DNS authorizing