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WorksheetsSection 2
Total questions: 100
Worksheet time: 50mins
Name
Class
Date
1.
Which of these best describes WiFi?
a)
A type of storage device
b)
A method for transmitting data wirelessly using radio waves
c)
A place where you can connect to WiFi.
d)
A computer programming language
2.
Which of these describes a wireless hotspot?
a)
A method for transmitting data wirelessly using radio waves
b)
Used as a storage device
c)
A computer programming language
d)
A place where you can connect to WiFi.
3.
What is a term for a unique identifiable address provided to every computer on a network?
a)
IP address
b)
Firewall
c)
Encryption
d)
WAP
4.
This is the biggest WAN (Wide Area Network)
a)
Internet
b)
School Network
c)
Home Network
5.
This is an example of a LAN (Local Area Network)
a)
Bandwidth
b)
Internet
c)
School Network
6.
Amount of data that can be transferred in a given time
a)
Wired
b)
Bandwidth
c)
Internet
d)
WAP
7.
Stands for megabits (million bits) per second - what bandwidth is measured in
a)
Gb
b)
Mb
c)
Mbps
8.
This type of connection is faster and more reliable than wireless
a)
Wired
b)
Bandwidth
c)
Wireless
d)
WIFI
9.
Faster and more reliable than copper cables.
a)
Steel Cables
b)
Fibre Optic
c)
WIFI
d)
NIC
10.
BIG network, across different places, e.g. internet
a)
WAN
b)
LAN
c)
NIC
11.
Small network, in one site, e.g. devices connected together through your router at home
a)
NIC
b)
LAN
c)
WAN (Wide Area Network)
12.
This an internal hardware that allows a device to connect to a network
a)
NIC (Network Interface Controller)
b)
LAN (Local Area Network)
c)
Bandwidth
13.
Transmits data between two different networks in data packets. e.g. between the internet and your home network
a)
Ethernet
b)
NIC
c)
Router
14.
This type of cable is used to connect devices to a LAN (local area network) - e.g. schools PCs are connected with these
a)
Ethernet
b)
Fibre Optic
c)
Steel Cables
15.
This type of cable is made up of a single copper wire surrounded by a plastic layer that shields it from interference
a)
Steel Cables
b)
LAN
c)
Coaxial
16.
This type of cable transmits data as light. Doesn't suffer interference and can transmit over very large distances without a loss of signal quality
a)
WIFI
b)
Fibre Optic
c)
Steel Cable
d)
Copper Cable
17.
This allows a device to connect wirelessly e.g. mobile phone
a)
NIC
b)
WAP
c)
LAN
d)
WAN
18.
This is the standard used for wireless networks. It uses two radio frequency bands - 2.4GHz and 5Ghz
a)
Wi-Fi
b)
NIC
c)
WAN
d)
WAP
19.
A computer (in a network) that is capable of obtaining information from a server.
a)
Server
b)
Client
c)
Client-Server
20.
A computer which manages access to a centralized resource or service in a network.
a)
Server
b)
Client
c)
Client-Server
21.
Type of network that's managed by a server. The devices connected to the server are called clients
a)
Request
b)
Peer-to-peer
c)
Client-Server
22.
These are sent to the server asking for data
a)
Request
b)
P2P
c)
Server
23.
Type of network connecting devices directly without a server
a)
Client
b)
Peer-to-peer
c)
Server
24.
This is a common example of a P2P (peer-to-peer) application
a)
Photoshop
b)
Angry Birds
c)
Skype
25.
Websites are hosted on these - basically a computer that is always on and connected to the internet.
a)
Web Server
b)
Client
c)
Protocol
26.
How various parts are arranged together - the layout of a network
a)
Topology
b)
Protocol
c)
The Highway Code
27.
All devices are connected to the centre
a)
Bus Topology
b)
Star Topology
c)
Ring Topology
28.
All devices are arranged in a line, connected by a single backbone cable. Data goes back and forth (which can cause collisions which slows the network)
a)
Ring Topology
b)
Star Topology
c)
Bus Topology
29.
Data moves in one direction around in a circle preventing collisions.
a)
Ring Topology
b)
Star Topology
c)
Mesh Topology
30.
All devices are connected directly to all other devices
a)
Ring Topology
b)
Star Topology
c)
Mesh Topology
31.
Set of rules for how data is transmitted across a network (like the Highway code is a set of rules on how to drive without crashing)
a)
Identifier
b)
Protocol
c)
Header
32.
Every device needs one of these to be identified on a network
a)
Identifier
b)
Protocol
c)
Packets
33.
These are unique identifiers assigned to all network-enabled devices by the manufacturer (cannot be changed)
a)
Dynamic IP address
b)
Packets
c)
MAC addresses
34.
These are unique identifiers used when sending data over the internet
a)
IP addresses
b)
Packets
c)
Identifier
35.
This type of IP address is permanent e.g. connecting a printer on a network
a)
Static IP address
b)
Checksum Number
c)
Dynamic IP address
36.
This type of IP address is assigned to a device by a network server - e.g. every time you log into the network
a)
Checksum Number
b)
Dynamic IP address
c)
Static IP address
37.
Data is sent between networks in...
a)
Header
b)
IP addresses
c)
Packets
38.
Every data packet has one of these containing the control information - it's like the envelope of a letter - it includes the destination address, the source address and the packet number
a)
Checksum Number
b)
Header
c)
TCP/IP
39.
The main part - this is like the letter inside of an envelope. e.g. email, document, web page, streamed video
a)
Checksum Number
b)
Packet Switching
c)
Payload
40.
Validation used to check that the payload hasn't corrupted during transit.
a)
Protocol
b)
Checksum Number
c)
TCP/IP
41.
Used by routers to direct data packets on the internet
a)
Packet Switching
b)
TCP/IP
c)
Protocol
42.
The most important protocol! Dictates how data is sent between networks e.g. over the internet. (Transmission Control Protocol and Internet Protocol)
a)
Packet Switching
b)
TCP/IP
c)
Protocol
43.
The first part of TCP/IP sets the rules for how devices connect
a)
Packet Switching
b)
Protocol
c)
TCP
44.
The second part of TCP/IP is responsible for packet switching
a)
IP (Internet Protocol)
b)
HTTP (Hypertext Transfer Protocol)
c)
FTP (File Transfer Protocol)
45.
Used by web browsers to access websites
a)
IP (Internet Protocol)
b)
HTTP (Hypertext Transfer Protocol)
c)
IMAP (Internet Message Access Protocol)
46.
A more secure version of HTTP. Encrypts all information send and received
a)
IMAP
b)
HTTPS
c)
POP3
47.
Used to access/edit/move files between devices on a network (e.g. accessing the Student Resources folder from a school PC
a)
FTP (File Transfer Protocol)
b)
IMAP (Internet Message Access Protocol)
c)
HTTP (Hypertext Transfer Protocol)
48.
Used to retrieve emails from a server. The server holds the email until you download it, at which point it is deleted from the server.
a)
IMAP (Internet Message Access Protocol)
b)
FTP (File Transfer Protocol)
c)
POP3 (Post Office Protocol Version 3)
49.
Used to retrieve emails from a server. The server holds the email until you actually delete it - you only download a copy (e.g. gmail - where you can access emails from multiple devices)
a)
IMAP (Internet Message Access Protocol)
b)
POP3 (Post Office Protocol Version 3)
c)
SMTP (Simple Mail Transfer Protocol)
50.
Used to send emails
a)
POP3 (Post Office Protocol Version 3)
b)
IMAP (Internet Message Access Protocol)
c)
SMTP (Simple Mail Transfer Protocol)
51.
Network protocols are divided into manageable pieces using...
a)
World Wide Web
b)
Layers
c)
URLs
52.
This is simply a really big network - it's a WAN which connects devices and networks from all over the world
a)
Internet
b)
Virtual Network
c)
School Network
53.
This is a collection of websites that are hosted on web servers
a)
URLs
b)
The Cloud
c)
World Wide Web
54.
These are address used to access web servers. e.g. http://www.youtube.com/funnycatvideos
a)
URLs
b)
Internet
c)
http
55.
Goes at the beginning of a URL. This protocol allows your web browser to communicate with the web server
a)
Domain Name
b)
http
c)
URL
56.
this is the name of a website e.g. www.youtube.com
a)
Domain Name
b)
http
c)
Host
57.
This translates a website's domain name into it's IP address.
a)
The Cloud
b)
DNS
c)
The Internet
58.
Uses the internet to store files and applications
a)
The Cloud
b)
DNS
c)
URLs
59.
When a business uses its servers to store someone else's files
a)
URLs
b)
Hosting
c)
The Cloud
60.
Is a network that is entirely software-based. example --> A virtual private network (VPN) is a type of network is used to send data securely (e.g. accessing school network from home)
a)
Star Network
b)
Protocol
c)
Virtual Network
61.
What is a LAN (local area network)?
a)
A connection of computers and peripheral devices located on a single site
b)
A connection of computers and peripheral devices located in a single building
c)
A collection of computers and networks over a geographically remote area
62.
What is a WAN (wide area network)?
a)
A connection of computers and peripheral devices located on a single site
b)
A collection of computers and networks over a geographically remote area
c)
A connection of computers and peripheral devices located in a single building
63.
Which of the following is true?
a)
In a ring network there are no collisions because data packets travel only in one direction
b)
In a bus network there are no collisions because data packets travel only in one direction
c)
In a ring network there are no collisions because data packets travel on different cables
64.
Which server has the role of hosting and matching web addresses to IP addresses?
a)
A web server
b)
An applications server
c)
A name server
65.
Which hardware component allows a PC or a laptop to connect to a network?
a)
A router
b)
A network interface card (NIC)
c)
A modem
66.
What are the most common network topologies?
a)
Star, bus, ring
b)
LAN, WAN, VPN, WPAN
c)
Client-server and peer-to-peer
67.
How does a hub differ from a switch?
a)
A switch sends data packets to all devices on the network, whereas a hub sends the packets to only the intended recipients
b)
A hub sends data packets to all devices on the network whereas a switch allows the network to connect to the internet
c)
A hub sends data packets to all devices on the network whereas a switch sends the packets to only the intended recipients
68.
Which of the following statements is true?
a)
A router often has a built-in modem, hub and switch
b)
A router often has a built-in modem, but does not incorporate a hub or a switch
c)
A router often has a built-in modem. It also either has a built in switch or hub
69.
Which device connects a network to the internet?
a)
Switch
b)
Bridge
c)
Modem
70.
Which of the following is true?
a)
A wireless network is cheap to set up, easy to add new devices to and extremely secure, but slower than a wired network
b)
A wireless network is cheap to set up, easy to add new devices to but slower than a wired network and less secure
c)
A wireless network is cheap to set up, easy to add new devices to, faster than a wired network and more secure
71.
What is a web browser?
a)
Software used for streaming films over the internet
b)
Software that allows the user to access web pages, documents and web applications on the internet
c)
Software used for sending emails
72.
What is needed for a broadband connection to the internet?
a)
A modem, a switch, an ISP and a wired or wireless connection
b)
An ADSL modem, a switch, an ISP and a wired or wireless connection
c)
An ADSL modem, an ISP and wired or wireless connection
73.
What can affect the speed of data transfer over a telephone line?
a)
Whether or not someone is using the telephone
b)
The quality of the telephone line and the distance between the modem and the telephone exchange
c)
The distance between the modem and the telephone exchange
74.
Which type of connection is preferable for streaming high-definition video?
a)
Fibre optic
b)
3G
c)
Coaxial
75.
Which of the following is true?
a)
Fibre optic cable is cheaper and has a higher data transfer rate than copper cable
b)
Fibre optic cable is more expensive but has a higher data transfer rate than copper cable
c)
Fibre optic cable is more expensive and has a slower data transfer rate than copper cable
76.
What is a protocol?
a)
A protocol is a set of rules that defines how devices communicate
b)
A protocol is the unique reference number for each device that needs to communicate
c)
The component that connects a device to a network
77.
What does the hypertext transfer protocol (HTTP) do?
a)
It is used to transfer large files and is often used for organising files on a web server for a website
b)
It transfers web pages from web servers to the client
c)
It is used to communicate with mail servers to send emails.
78.
What does compressing a file do?
a)
It increases the quality of a file
b)
It changes the content of a file
c)
It reduces the size of a file
79.
What is a buffer?
a)
A temporary storage space where data can be held and processed
b)
A permanent storage space where data can be held and processed
c)
It stops corrupt data being downloaded onto your computer
80.
What happens at the 'handshaking' between two devices?
a)
The client requests access, the server grants it, and the protocols are agreed
b)
The server requests access, the client grants it, and the protocols are agreed
c)
Data packets are exchanged between the client and the server
81.
What is a dynamic website?
a)
A website that has interactive elements
b)
A website that has no form of interactivity
c)
A website that is very large
82.
What web development languages are most websites written in?
a)
High level languages like C++ and Java
b)
HTML and CSS with some scripting languages like JavaScript and PHP
c)
Pseudo code
83.
What does a cascading style sheet (CSS) do?
a)
It is where the different formatting choices are stored for the website and is used to edit the appearance of the website
b)
It creates, manages and searches databases
c)
It creates the interactive elements within a webpage
84.
What is a mashup?
a)
Two or more websites that have been joined together
b)
A website or application which mixes code from different external sources
c)
A website that isn't working properly
85.
What are cookies?
a)
Viruses that are downloaded onto your computer
b)
Programs that are stored on your computer that tell a website if you have been to that site before
c)
Text files that are stored on your computer that tell a website if you have been to that site before
86.
What identifies the kind of device that is accessing the website?
a)
The server
b)
A protocol
c)
The web browser
87.
What is the difference between the client-side scripts and the Server-Style Scripts?
a)
Client-side scripts are programs that are processed by the web browser and server-style scripts are processed by the web server
b)
Client-side scripts are programs that are processed by the web server and server-style scripts are processed by the web browser
c)
Client-side scripts process the static parts of the web site and server-style scripts process the dynamic parts of the web site
88.
How do search engines rank the website result they receive?
a)
Websites appear higher up a list of results purely based on how many hits have occurred on that website altogether, since it was created
b)
Websites appear higher up a list of search results because they have paid the web browser to be ranked higher
c)
Websites appear higher up a list of results because they are judged to be more important by the search algorithm. This is measured by the popularity of a site and how many connections it has with other websites
89.
What is cloud computing?
a)
Cloud computing is storing and using services online, rather than storing them locally on a device such as a hard drive
b)
Cloud computing is accessing your home computer over the internet
c)
Cloud computing is accessing stored data online using only mobile devices
90.
Why is cloud computing advantageous?
a)
You can store and back-up as much data as you want for free
b)
Storing your data online is much more secure than storing it on your computer
c)
Data backed up in the cloud with a reliable provider can be more reliable than storing your information on a hard drive or USB flash memory stick
91.
What is the purpose of a firewall?
a)
To detect viruses on a system and prevent them from attacking it and spreading
b)
To prevent unauthorised connections coming in to and out of a network
c)
To prevent a hacker from logging on to the network
92.
What is the purpose of a username and password?
a)
To allow a user to log on to a network
b)
To identify which files a user has rights to
c)
To identify the user and to verify they are who the claim to be
93.
What makes a secure password?
a)
A secure password should be one that you will easily remember
b)
A secure password should be one that you will easily remember and be a mixture of upper-case and lower-case letters, numbers and characters
c)
A secure password should be something familiar like a birthday or a pet's name
94.
Why are access levels useful?
a)
They give everyone access to all parts of the network
b)
They give everyone 'download' access to the network
c)
They control the level of access a user has to the network
95.
What is encryption?
a)
Encryption changes data so that it no longer has the same meaning
b)
Encryption encodes data, such as using M for male and F for female
c)
Encryption disguises data so that it can't be understood
96.
What is the purpose of anti-virus software?
a)
To prevent a virus from attacking the network
b)
To prevent hackers from accessing the network
c)
To block unauthorised connections to the network
97.
What is an archive?
a)
A copy of old data that is removed from the network and kept safe for later use
b)
A back-up of data on the network that is kept safe in case of data loss
c)
A place where important paper documents are stored
98.
Why do organisations have network policies?
a)
To prevent users from misusing the network
b)
To allow organisations to control what users do on a network
c)
To form an agreement between the organisation and its users on acceptable usage of the network
99.
Which of the following are types of malicious software?
a)
Viruses, worms, zombies, trojans and spybots
b)
Word processing packages
c)
Anti-virus software
100.
How do you know if a website is secure?
a)
When you visit the site, a message appears telling you it is secure
b)
The prefix of the website is https
c)
You were sent a confirmation email
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