1000+ Computer Networks Viva Questions and Answers Pdf - 1

Question: 1

What frequency range is used for micro-wave communications, satellite and radar?

(A) Extremely high frequency : 30,000 MHz

(B) Super high frequency : 3000 MHz to 30000 MHz

(C) Medium frequency : 300 kHz to 3 MHz

(D) Low frequency : 30 KHz to 300 kHz

Question: 2

Which of the following has the smallest default maximum physical receive packet size?

(A) Token Ring [4 Mbps]

(B) Token Ring [16 Mbps]

(C) ARC net

(D) Ethernet

Question: 3

Which of the following assertions is FALSE about the Internet protocol (IP)?

(A) The packet source cannot set the route of an outgoing packets; the route is determined only by the routing tables in the routers on the way

(B) IP ensures that a packet is discarded if it is unable to reach its destination within a given number of hops

(C) IP packets from the same source to the same destination can take different routes in the network

(D) It is possible for a computer to have multiple IP addresses

Question: 4

One of the header fields in an IP datagram is the Time-to-live (TTL) field. Which of the following statements best explains the need for this field?

(A) It can be used to prevent packet looping

(B) It can be used to optimize throughput

(C) It can be used to reduce delays

(D) It can be used to prioritize packets

Question: 5

Which of the following is not relevant to networking?

(A) Bus hubs

(B) Mesh network

(C) Stackable hubs

(D) Low-end stand alone hubs