Questions & Answers
What is the computer network?
The computer network is the communication of data from one computer to one or more computers by any means such as people, wires, cables, or a telecommunications system.
What are three roles for computers in a local area network?
The first role is a being clients which use but do not provide network resources. The second one is a being peers which both use and provide network resources. The last one is a being servers which provide network resources
Which of the following is not benefit of network?
a. Sharing hardware resources
b. Sharing software resources
c. Preserving information
d. Protecting information
e. Electronic-mail (e-mail)
g. Users administer their own computers
The answer is g.
Which of the following is not the network topology?
a. Bus topology
b. Star topology
c. Ring topology
d. Mesh topology
e. Virtual topology
The answer is e.
What are the seven logical layers of the OSI reference
model?
7th) Application layer
6th) Presentation layer
5th) Session layer
4th) Transport layer
3rd) Network layer
2nd) Data-link layer
1st) Physical layer
Which of the seven layers is the layer that you can think
as hardware layer?
The answer is 1st Physical layer.
What receives signals from each computer and repeats the
signals to all other computers connected to?
The answer is Hub.
What are the Protocols?
A protocol is a set of rules for communication or sending information
over a network.
Which of the following connection is the fast?
1. Modem
2. Cable TV network
3. ISDN
4. DSL
5. T-1
6. T-3
The answer is 6.