QA

Q&A

Q1:

What types of services are defined at the Network Access layer?

A1:

The Network Access layer includes services and specifications that manage the process of accessing the physical network.

Q2:

Which OSI layers correspond to the TCP/IP Network Access layer?

A2:

The Network Access layer roughly corresponds with the OSI Data Link layer and Physical layer.

Q3:

What are the two most common LAN architectures?

A3:

The most common LAN architectures are ethernet, with its several cabling variants, and token ring.

Q4:

What is CSMA/CD?

A4:

CSMA/CD is Carrier Sense Multiple Access with Collision Detect, a network access method used by ethernet. Under CSMA/CD, the computers on a network wait for a moment to transmit and, if two computers attempt to transmit at once, they both stop, wait for a random interval, and transmit again.

Q5:

What is token passing?

A5:

Token passing is a network-access method used by token ring and FDDI. A packet of data called a token circulates around the network. Only the computer with the token can transmit data.



Sams Teach Yourself TCP/IP in 24 Hours
Sams Teach Yourself TCP/IP in 24 Hours (4th Edition)
ISBN: 0672329964
EAN: 2147483647
Year: 2003
Pages: 259
Authors: Joe Casad

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