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OCR Computer Science 1.3.2

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Which transmission media is capable of having a much higher bandwidth?

a)

Coaxial

b)

Twisted pair cable

c)

Plastic

d)

Fibre optic

2.

What is meant by a data packet?

a)

A unit of data that travels along a network

b)

The number of error found in data when it has been transmitted

c)

The data a computer needs to connect to a network

d)

A connection point in a network that allows data to be shared

3.

Which is the right order for network layers

a)

Application Link Transport Network

b)

Application Transport Link Network

c)

Application Transport Network Link

d)

Transport Link Network Application

4.

Which layer does TCP operate on

a)

Application

b)

Transport

c)

Network

d)

Link

5.

Which layer does IP operate on

a)

Application

b)

Transport

c)

Network

d)

Link

6.

Which protocol is used for sending emails?

a)

POP

b)

IMAP

c)

SMTP

d)

FTP

7.

Which of these never changes on a device

a)

MAC address

b)

IP address

8.

What is an advantage of IMAP over POP

a)

It is quicker

b)

It can cope with more email messages

c)

It will synchronise all devices with the users mailbox

d)

It has more space to store old messages

9.
IPv4 IP addresses are ___ bit binary numbers
a)
2
b)
8
c)
32
d)
128
10.

Which of the following statements is true?

a)

The Internet consists of millions of web pages linked together.

b)

The Internet is a web page created by a business.

c)

The WWW consists of millions of web pages linked together.

d)

WWW is the unique identity of a web page.

11.
Mbps is known as...
a)
Megabits per second
b)
Megabytes per second
c)
Gigabits per second
12.

What is your computers location on the internet called?

a)

IP Address

b)

MAC Address

c)

Routing Address

d)

Forwarding Address

e)

Email Address

13.
A MAC address is
a)

A unique identifier for all devices on a network added when the device is manufactured

b)
A set of numbers that identify a computer on a network
c)
A unique identifier for computers on a network
14.
A switch stores the MAC addresses of every device on the network. True or False?
a)
TRUE
b)
FALSE
15.
The very fastest networks use this type of connection
a)
Fibre Optic
b)
LAN
c)
IP
d)
WiFi
16.
Wireless technology used for short distance or personal area networks
a)
protocol
b)
WiFi
c)
Bluetooth
d)
MODEM
17.
The most common cabling used in networking
a)
3G
b)
4G
c)
hotspots
d)
Ethernet
18.

Which network connection is mobile, inexpensive, and is easy to set up?

a)

Wireless

b)

Wired

19.

How do wired networks connect to other devices?

a)

Radio frequencies

b)

Microwave signals

c)

Ethernet cables

d)

Barbed wire

20.
Unique address  given to each device on the  internet
a)
Media Access Control address
b)
Internet Protocol  address
c)
Data Packets address 
d)
Data Protocol  address
21.

The internet is owned by...

a)

no one

b)

the USA

c)

NATO

d)

the government

22.

is a wireless local area network

a)

WLAN

b)

LAN

c)

WAN

23.

Which allows for the fastest connection?

a)

Cable

b)

Wireless

24.
Each computer has a unique _____________, like a telephone number for the internet. 
a)
Meme
b)
Graphic Card
c)
IP Address
d)
Network Pin
25.

What are advantages of a wireless network?

a)

No wires/cables and power spikes are less likely to run through cables to damage workstations.

b)

Expense of wired equipment and licensing issues.

c)

Vulnerable to interference by devices,like baby monitors or cordless phones.

d)

Worse portability in comparison of a wired network.

26.

Which network connection is faster and more relaiable?

a)

Wired

b)

Wireless

27.

______ uses encrypted data before it is sent over a public network

a)

WAN

b)

SAN

c)

VPN

d)

MAN

28.

Which of the TCP/IP model layers is responsible for breaking down the message into packets?

a)

Network

b)

Application

c)

Transport

d)

Internet

29.

Which is the top layer of the TCP/IP model?

a)

Network

b)

Application

c)

Transport

d)

Internet

30.

What does TCP stand for?

a)

Transfer Control Protocol

b)

Transmission Control Protocol

c)

Transfer Character Protocol

d)

Transmission Character Protocol

31.
HTTP stands for..
a)
.. Hyper Technology Transmission Piece 
b)
Hypertext Transfer Protocol
c)
Hypertext Talking Package 
d)
Hypertext Transfer Program 
32.
What is TCP used for?
a)
To send information across the internet in packets
b)
To ensure that information is sent to the correct computer
c)
To send mail across the internet
d)
To transmit webpages across the internet
33.
The .......... of TCP/IP protocol is responsible for figuring out how to get data to its destination.
a)
A. application layer
b)
B. link layer
c)
C. network layer
d)
D. transport layer.
34.
Which of these are mail protocols?
a)
SMTP and POP
b)
TCP and FTP
c)
FTP and SMTP
d)
POP and IP
35.
Which protocol would you use to transfer files?
a)
FTP
b)
SMTP
c)
POP3
d)
HTTP
36.

What does TCP stand for?

a)

Transfer Control Protocol

b)

Transmission Control Protocol

c)

Transfer Character Protocol

d)

Transmission Character Protocol

37.

What is name of the protocol that matches domain names to IP addresses?

a)

SMTP

b)

TCP

c)

IP

d)

DNS

38.

What kind of address is made up of hex pairs and stored on each device's NIC?

a)

MAC

b)

TCP

c)

IP

d)

DNS

39.
What advantage does the IPv6 standard have over the Internet Protocol version 4 (IPv4) standard?
a)
It vastly increases the available pool of IP addresses.
b)
It enables greater data transmission speeds.
c)
It supports the IPsec security feature, which is unavailable in IPv4.
d)
It allows devices to self-assign an IP address from a server.
40.

What is a network protocol?

a)

Lets you connect to a device

b)

Agreed rules for transferring files between devices on a network

c)

Agreed way of sending emails on a network

d)

Agreed way of checking files for errors

41.

Select TWO statements which TCP/IP process follows

a)

Request from client sent to server

b)

Packets are sent in order

c)

Packets are sent as one file

d)

Confirmation is sent back to confirm that packets have been received

42.

Select TWO rules TCP/IP must follow?

a)

Senders computer name

b)

Packets are numbered

c)

Error Check

d)

None of the above

43.

When will it be appropriate to use UDP instead of TCP?

a)

Sending an email

b)

Sending an image

c)

Streaming Live

d)

Sending a music file

44.

One of the advantages of UDP?

a)

Secure

b)

Larger

c)

Smaller

d)

Faster

45.

Which protocol holds the email until you actually delete it?

a)

POP3

b)

IMAP

c)

SMTP

d)

FTP

46.

Which protocol holds the email only until you receive it?

a)

SMTP

b)

FTP

c)

IMAP

d)

POP3

47.

What does HTTPS stand for?

a)

Hyper Text Transfer Protocol

b)

Hyper Text Transport Protocol Secure

c)

Hyper Text Transport Protocol

d)

Hyper Text Transfer Protocol Secure

48.

Which protocol is responsible for transferring computer files between client and server on a computer network?

a)

SMTP

b)

FTP

c)

TCP/IP

d)

HTTP

49.

Data packets can arrive at different times at the final location?

a)

True

b)

False

50.

Before data transmission begins, devices send messages to one-another, completing a task called?

a)

Data Transmission

b)

Handshaking Process

c)

Network Protocol

d)

Packet Switching

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