Flashcards

Question 1

How many pieces of wire/cable required to make mesh topology?

Answer 1

n(n-1)/2

Question 2

The data flow from mainframe to the monitor is called

Answer 2

Simplex

Question 3

The data flow in both directions simultaneously is called

Answer 3

Full-duplex

Question 4

Data flow from one station to another at a time is called

Answer 4

Half-duplex

Question 5

Example of half-duplex data transmission mode:

Answer 5

Citizens band radios

Question 6

The Internet is an example of which topology:

Answer 6

Mesh

Question 7

What are the important factors we have to consider while designing the network topology?

Answer 7

All of the above

Question 8

The combination of two topologies is called as

Answer 8

Hybrid

Question 9

In which topology has dedicated link?

Answer 9

Mesh

Question 10

What piece of hardware is usually at the centre of a star network?

Answer 10

Hub

Question 11

Total number of ports required in mesh topology:

Answer 11

n(n-1)

Question 12

The main advantages of a star network are:

Answer 12

Easy to implement

Question 13

The Open Systems Interconnection (OSI) model consists of:

Answer 13

7

Question 14

In the OSI model, physical addressing takes place at the:

Answer 14

Data link layer

Question 15

In the OSI model, logical addressing takes place at the:

Answer 15

Network layer

Question 16

Which of the following reside at the physical layer of the OSI model?

Answer 16

Hub

Question 17

Character encoding, data compression and encryption/decryption take place at the:

Answer 17

Presentation layer of the OSI model

Question 18

Which OSI layer is responsible for managing connections between network devices and applications?

Answer 18

Transport layer

Question 19

What is the name of a data unit used at the OSI physical layer?

Answer 19

Bit

Question 20

User Datagram Protocol (UDP) resides at:

Answer 20

Transport layer

Question 21

Which OSI layer is responsible for breaking up data into segments?

Answer 21

Transport layer

Question 22

Transport layer resides between which two other layers of the OSI model?

Answer 22

Network & Session

Question 23

IP addressing takes place in which layer of ISO model?

Answer 23

Layer 3

Question 24

Data encryption and decryption typically takes place at the:

Answer 24

Presentation layer of the OSI model