Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?

Question: Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?
[A].

Paperless office

[B].

Electronic mail

[C].

Global network

[D].

Electronic newspaper

Answer: Option B

Explanation:

No answer description available for this question.

Many large organizations with their offices in different countries of the world connect their computers through telecommunication satellites and telephone lines. Such a communication network is called

Question: Many large organizations with their offices in different countries of the world connect their computers through telecommunication satellites and telephone lines. Such a communication network is called
[A].

LAN

[B].

WAN

[C].

ECONET

[D].

EITHERNET

Answer: Option B

Explanation:

No answer description available for this question.

Which of the following protocols support VLSM, summarization, and discontiguous networking?

Question: Which of the following protocols support VLSM, summarization, and discontiguous networking?

[A].

1 and 4

[B].

2 and 5

[C].

3, 4 and 6

[D].

All of the above

Answer: Option C

Explanation:

RIPv1 and IGRP are true distance-vector routing protocols and can’t do much, really-except build and maintain routing tables and use a lot of bandwidth! RIPv2, EIGRP, and OSPF build and maintain routing tables, but they also provide classless routing, which allows for VLSM, summarization, and discontiguous networking.

You get a call from a network administrator who tells you that he typed the following into his router:

Question: You get a call from a network administrator who tells you that he typed the following into his router:

[A].

The wildcard mask is incorrect.

[B].

The OSPF area is wrong.

[C].

The OSPF Process ID is incorrect.

[D].

The AS configuration is wrong.

Answer: Option A

Explanation:

The administrator typed in the wrong wildcard mask configuration. The wildcard should have been 0.0.0.255.