Chapter 1

Question 1

Define Network.

Answer 1

a group or system orf interconnected people or things. p. 2

Question 2

Why do larger workgroups run more slowly?

Answer 2

Many hosts are all trying to get the same resources at the same time so its slower. p. 4

Question 3

Name three common Network components.

Answer 3

Workstations
Servers
Hosts. p. 5

Question 4

Define workstations.

Answer 4

Powerful computers that have multiple CPUs. ANd whose resources are available to otehr susers on the network to access. Dont confuse with client machine. p. 5

Question 5

Define Server.

Answer 5

A computer running specialized software (network operating system) for the networks maintenance and control. p.5

Question 6

Name some common dedicated servers.

Answer 6

File sever
mail server
print server
web server
fax server
Application server
Telephony server
Remote access server
Proxy server . p. 6

Question 7

What does a file server do?

Answer 7

Stores and dispenses files.p. 6

Question 8

What does a Mail server do?

Answer 8

The networks post office handles email funcitoins. p. 6

Question 9

What does a Print sever do?

Answer 9

Manges printers on the network.p. 6

Question 10

What does a web server do?

Answer 10

Manages web based activities by runing Hypertext Transfer Protocol HTTP for storing web content and accessing web pages. p. 6

Question 11

What does a Fax server do?

Answer 11

The memo maker that sends and recieves paperless faxes over the network.p. 6

Question 12

What does an application server do?

Answer 12

Manages network applications. p. 6

Question 13

What does a Telephony server do?

Answer 13

Handles the call center and call routing and can be thought of as a sophisticated network answering machine. p. 6

Question 14

What does a remote access server do?

Answer 14

Provides remote users with access to the network through modems and IP conection. p. 6

Question 15

What does a Proxy server do?

Answer 15

Handles tasks int he place of other machines on the network. p. 6

Question 16

What is the main difference between a workstation and server?

Answer 16

One server can provide resources to what can sometimes be a huge numbers of individual users at the same time. p. 6

Question 17

Define Host.

Answer 17

any network device with an IP address including workstatiosn and severs p. 7

Question 18

what is the largest WAN?

Answer 18

the internet p. 7

Question 19

What are some ways WANs are different from LANs?

Answer 19

Wans usually need a router port or ports. p. 8
WANs span larger areas
WANs slower
You can choose when you connect to WAN LANs are all or nothing.
WANs can utilize phone lines.

Question 20

Name two types of WANs

Answer 20

Distributed (the internet) a internet made up of a lot of interconnected computers.
Centeralized- a main centerally located computer that remote computers can connect to. ie a remote office that connects to main office. p. 8

Question 21

Describe how MPLS works.

Answer 21

It is a switching emchanissm that imposes lables to data and then uses those labels to forward data when the data arrives at the MPLS netwrok. p. 9

Question 22

What are two main network types?

Answer 22

peer to peer and client-server p. 10

Question 23

Describe peer to peer network.

Answer 23

No central or special autority. They all have equal authority. It is up to the computer that has the rewsource being requested to perform a security check for access. They can act as clients and severs that provide resources to other computers. Because security is not centrally governed each and every user has to mainting a list of users and passwords p. 10

Question 24

Describe a client server network.

Answer 24

A singel sever uses a network operating sytem for managing the whole network. The clients machines request for a resource goes to the main server which responds by handling security and directing. This kind of network does not depend on users remembering where resources are. all passwords are stored on the sever which is not used as a workstation p. 11

Question 25

Name some physical network topologies.

Answer 25

Bus
Star 
Ring
Mesh
point to point
point to multi point
Hybrid. p. 12