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Intro to Network -Nry

Total questions: 15

Worksheet time: 10mins

Name
Class
Date
1.

In the context of effective data communications, which of the following is NOT a key element?

a)

Delivery

b)

Accuracy

c)

Jitter

d)

Reliability

2.

Frequency of failure and network recovery time after a failure are measures of the of a network.

a)

A. Performance

b)

B. Reliability

c)

C. Security

d)

D. Feasibility

3.

Which topology requires a central controller or hub?

a)

A. Mesh

b)

B. Star

c)

C. Bus

d)

D. Ring

4.

_______ defines how a particular pattern to be interpreted and what action is to be taken based on that interpretation.

a)

A. Semantics

b)

B. Syntax

c)

C. Timing

d)

D. None of the above

5.

In a connection, more than two devices can share a single link.

a)

A. point-to-point

b)

B. multipoint

c)

C. primary

d)

D. secondary

6.

_______ refers to the physical or logical arrangement of a network.

a)

A. Data flow

b)

B. Mode of operation

c)

C. Topology

d)

D. None of the above

7.

The ____________ is the physical path over which a message travels.

a)

Protocol

b)

Medium

c)

Signal

d)

Platform

8.

A _______ is a data communication system spanning states, countries, or the whole world.

a)

A. MAN

b)

B. LAN

c)

C. WAN

d)

D. none of the above

9.

A television broadcast is an example of _______ transmission.

a)

Simplex

b)

Half Duplex

c)

Full Duplex

d)

multipoint

10.

Which organization has authority over interstate and international commerce in the communications field?

a)

ITU-T

b)

IEEE

c)

ISOC

d)

FCC

11.

_______ are special-interest groups that quickly test, evaluate, and standardize new technologies.

a)

Standards organizations

b)

SIG

c)

Forums

d)

Regulatory agencies

12.

There are ______________ Internet service providers.

a)

local

b)

regional

c)

national and international

d)

all of above

13.

_______ refers to the structure or format of the data, meaning the order in which they are presented.

a)

Timing

b)

Semantics

c)

Syntax

d)

Protocol

14.

________ is a collection of many separate networks.

a)

None of the above

b)

A WAN

c)

A LAN

d)

An internet

15.

(i) Discuss the difference between simplex, duplex, and half-duplex data flow in the context of data communication and networking.

(ii) Provide examples of each type of data flow and,

(iii) explain when each might be used in practical scenarios. (9 marks)

4 lines