Chapter 18

Question 1

What is telco

Answer 1

Telecom companies

Question 2

Who introduced ATM

Answer 2

Telecom companies

Question 3

What about large size packets

Answer 3

Large packets result in fewer overheads because a smaller fraction of the packet is used for header information.

Question 4

What is the size of packet for Optimum networks

Answer 4

4kb or larger

Question 5

Does large packets good for voice

Answer 5

No

Question 6

What are ATM CELLS

Answer 6

ATM uses small, fixed sized packets called cells. Each cell has 53 octets

Question 7

Who identify cells destination

Answer 7

VPI/VCI fields identify the cells destination.

Question 8

What is cell tax

Answer 8

ATM overhead

Question 9

What is CONNECTION-ORIENTED SERVICE

Answer 9

The connection-oriented service paradigm for networking is similar to the manner in which telephones are used

Question 10

What is binary connection identifier

Answer 10

To identify the connection

Question 11

What are virtual channels (VC) or virtual circuits

Answer 11

Connections in ATM. They are not actual electrical connections.

Question 12

What is VPI

Answer 12

Virtual Path Indicator (8-bit), which identifies a particular path through the network

Question 13

What is VCI

Answer 13

Virtual Channel Indicator (16-bits), which identifies the channel in the virtual path being used by the connection