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Worksheets

Technical Electives

Total questions: 15

Worksheet time: 20mins

Name
Class
Date
1.

Transmission mode wherein information travels in only one direction

a)

Simplex

b)

Duplex

c)

Half-Duplex

d)

Full Duplex

2.

In Amplitude Modulation, _______ varies in accordance with the information

a)

Amplitude

b)

Frequency

c)

Phase

d)

Period

3.

Voice Frequency ranges from:

a)

30Hz-300Hz

b)

300Hz-3kHz

c)

3kHz-30kHz

d)

30kHz-300kHz

4.

Information Frequency > Carrier Frequency

a)

True

b)

False

c)

Maybe

d)

It's Complicated

5.

It contains multiple ports to when a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all the packets

a)

Switch

b)

Hub

c)

Router

d)

Modem

6.

Which of the following represents a correct format for MAC address?

a)

AB:12:CD:34:EF:56

b)

AB:12:CD:34:EF:56:GH

c)

A1:B2:C3:G4:F5:E6

d)

A1:B2:C3:G4:F5:E6:D7

7.

In CIA triad, I stands for

a)

Integrated

b)

Internal

c)

Integrity

d)

Integration

8.

The underlying protocol used by the World Wide Web

and allows web-based applications to communicate and exchange data

a)

POP3

b)

FTP

c)

SMTP

d)

HTTP

9.

_______ is  a measure of the extent to which an entity is threatened by a

Potential circumstance or event.

a)

Threat

b)

Event

c)

Risk

d)

Opportunity

10.

Which of the following indicates “no gain, no loss”?

a)

0

b)

1dBm

c)

0dB

d)

1dB

11.

-22 dBW is equal to

a)

8 dBm

b)

-52dBm

c)

18dBm

d)

12dBm

12.

Solve for the Fade Margin for a Microwave System with a reliability of 99.998. __________________

a)

48.21dB

b)

46.89dB

c)

37.89dB

d)

43.26dB

13.

Determine the network address for 172.82.44.2 /22

a)

172.82.44.1

b)

172.82.1.0

c)

172.82.0.0

d)

172.82.44.0

14.

What is the first valid host on the subnetwork that the node 172.18.252.28 255.255.254.0 belongs to?

a)

172.18.252.0/23

b)

172.18.252.1/23

c)

172.18.252.1/24

d)

172.18.252.0/24

15.

You are designing a subnet mask for the 192.168.253.0 network. You want 29 subnets (networks) with up to 4 hosts on each subnet. What subnet mask should you use?

a)

  255.255.255.128

b)

  255.255.255.240

c)

  255.255.255.248

d)

  255.255.255.252