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Network part 2 - Computer Science SL

Total questions: 52

Worksheet time: 27mins

Name
Class
Date
1.

A collection of computing devices connected in order to communicate and share resources

a)

Network Cable

b)

Bandwidth

c)

Computer Network

d)

Networking

2.

What is the name of this network topology?

a)

Bus

b)

Star

c)

Ring

d)

Diagonal

3.

Meaning of MAN

a)

Metropolitan Area Network

b)

Metro Area Network

c)

Metro Area Networking

d)

Metropolitan Area Networking

4.

The speed with which data is moved from one place to another on a network

a)

Bandwidth

b)

WAN

c)

MAN

d)

Gateway

5.

What is the name of this network topology?

a)

Bus

b)

Star

c)

Ring

d)

Diagonal

6.

A distributed system for managing hostname resolution

a)

Host Number

b)

Host

c)

Domain Name

d)

Domain Name System

7.

The part of a hostname that specifies a specific organization or group

a)

Host Number

b)

Host

c)

Domain Name

d)

Domain Name System

8.

A gateway machine and its software that protects a network by filtering the traffic it allows

a)

IP Address

b)

Traceroute

c)

Firewall

d)

Ping

9.

A program used to test whether a particular network computer is active and reachable

a)

IP Address

b)

Traceroute

c)

Firewall

d)

Ping

10.

A network device that directs a packet between networks toward its final destination

a)

Modem

b)

Router

c)

Broadband

d)

Switch

11.

Software that breaks messages into packets, hands them off to the IP software for delivery, and then orders and reassembles the packets at their destination

a)

TCP

b)

DSL

c)

MAN

d)

ISP

12.

All the computers in this topology are connected to one switch

a)

Bus

b)

Ring

c)

Star

13.

devices are connected in a circular layout

a)

Ring

b)

Bus

c)

Star

14.

The layout of how computers are connected is

a)

network

b)

type

c)

topology

15.

The best topology is

a)

Bus

b)

Star

c)

Ring

16.

The program that we use to modeling a network is

a)

Cisco packet

b)

Cisco packet tracer

c)

Cisco tracer

17.
Transmission where data can only be sent in one direction only e.g. a computer to a standard monitor. 
a)
Simplex
b)
Duplex
c)
Serial
d)
Parallel
18.
Data transmission in both directions simultaneously.
a)
Full Duplex
b)
Double Duplex
c)
Half Duplex
d)
Parallel Duplex
19.
The rules that specify how data is transmitted.
a)
Protocols
b)
Parallels
c)
Bandwidth
d)
Mulitiplexers
20.
The data transfer rate of a network.
a)
Bandwidth
b)
Broadband
c)
Capacity
d)
Topology
21.
Data transmission where data is transferred one bit at a time.
a)
Serial
b)
Parallel
c)
Simplex
d)
Half Simplex
22.
Data transmission where several bits of data (usually one byte) are transferred simultaneously.  
a)
Parallel
b)
Serial
c)
Full Duplex
d)
Multi-Duplex
23.
What does USB stand for?
a)
Universal Serial Bus
b)
Universal Simplex Bandwidth 
c)
Universal Serial Broadband
d)
Universal Simplex Bus
24.
Which of these is not a cable used to transfer data?
a)
HTTP
b)
USB
c)
HDMI
d)
UTP
25.
Parallel data transmission would most likely be used for?
a)
Sending Data to a Printer
b)
Saving Work on a USB Flash Drive
c)
Streaming a Movie
d)
Sending an Email
26.
What is the name for any device connected to a network? 
a)
Node
b)
Server
c)
Workstation
d)
Hub
27.
A type of server used to monitor data entering and leaving the network.
a)
Proxy
b)
Virus
c)
File
d)
Gateway
28.

The "bit rate" measures ....

a)

the server speed

b)

the cable speed

c)

the network speed

29.

Network performance refers to how well data is transmitted through the network.

a)

False

b)

True

30.

Megabits per second (Mbps) refers to a speed of ....

a)

a million bits per second

b)

a hundred bits per second

c)

a thousand bits per second

d)

a thousand million bits per second

31.

This term describes how much data can be transferred over a connection in a given time.

a)

Transmission media

b)

Contention ratio

c)

Bandwidth

32.

Bandwidth is about the speed the data is transmitted.

a)

False

b)

True

33.

The number of users on a network can affect the network performance

a)

True

b)

False

34.

The ...... can be used to measure the ratio of users compared to the available bandwidth

a)

network ratio

b)

contention ratio

c)

bandwidth ratio

35.

Small LANs are more likely to make use of ...

a)

fibre optic cables

b)

copper Ethernet cables

36.

Fibre optic cables are often used for WANs because ....

a)

they provide very high bandwidth

b)

they need less technical skill to set up than Wi-Fi

c)

they can transmit images, video and music

37.

...... can be used to try and reduce interference

a)

Wider cables

b)

Shielded cables

c)

Shorter cables

38.

As a cable get ...... the signal can become too weak and errors can begin to creep in.

a)

narrower

b)

longer

c)

shorter

d)

wider

39.

...... describes how much time it takes for a data packet to travel across the network.

a)

Larceny

b)

Latency

c)

Literacy

d)

Lag

40.

Networks with long delays are called .....

a)

high latency networks

b)

slow latency netwokrs

c)

low latency netwokrs

d)

fast latency networks

41.
is a needed requirement to make an internet connection?
a)
Pencil
b)
Table
c)
Modem
d)
Camera
42.

Malware.....

a)

Are different types of threats to computer systems.

b)

Is a manufacturer of computer parts

c)

Hard to find on the internet

d)

Distribution is completely legal.

43.

What can virus affect?

a)

Keyboard

b)

Hard drive

c)

RAM

d)

All of the above

44.

Sending requests to a single server using hijacked machines

a)

Phishing

b)

DoS

c)

Worms

d)

Virus

45.

Software that performs a ‘barrier’ between a potential attacker and the computer system.

a)

Antivirus

b)

Firewall

c)

Windows update

d)

Disk defragmenter

46.

What is encryption?

a)

Where only the sender and recipient can read the message.

b)

A method of bypassing viruses

c)

A form of anti-virus

d)

Where data is translated into code so that only authorised users, or users with the key can decrypt it.

47.

What must a user need to decrypt a file?

a)

Coin

b)

Key

c)

Token

d)

Graph

48.

Trojan Horses

a)

Does not need to attach to a program

b)

Can only occur when a computer is not connected to a network

c)

A type of social engineering

d)

Designed to access a computer by misleading users of its’ intent by prompting to download a program

49.

Worms

a)

Do not need to attach to a program

b)

Need to attach to a program

c)

A type of social engineering

d)

Designed to access a computer by misleading users of its’ intent by prompting to download a program

50.

How do hackers use viruses?

a)

To make a computer unusable

b)

To get someone’s personal information

c)

To find out card details

d)

All of the above

51.

Data travels across networks in

a)

Nibbles

b)

Parts

c)

Bytes

d)

Packets

52.

Uses a number of computers over a network of infected machines which send req uests to a website which would bring it offline

a)

SQL

b)

DoS

c)

WLAN

d)

USB

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