WorksheetsY8 Networking End of Unit Quiz
Total questions: 25
Worksheet time: 55mins
Which of the following is a difference between a WAN and a LAN?
WAN covers a larger geographical area than LAN
LAN is typically faster and more secure than WAN
WAN is limited to a single building or campus
LAN uses the internet to connect different devices
The World Wide Web uses the Internet to transfer data
True
False
One example of a LAN is the Internet
True
False
Every device on a network needs an IP address
to hide that device amongst all the other devices on the network
to confuse hackers
A Local Area Network would be unsuitable for
A school
A police station
An office
A nationwide network of supermarkets
One example of a WAN is the Internet
True
False
When Andrew enters the address for a website, how does a DNS server help him access the site?
The DNS server turns the website address typed in into an IP address.
The DNS server increases the website's loading speed.
The DNS server provides encryption for the data sent to the website.
The DNS server stores files from the website.
The website data is retrieved from the web server and sent across to be displayed in the user's browser window. Which technology is primarily used to send data across the Internet?
Circuit switching
Packet switching
Frequency modulation
Amplitude modulation
Data from websites is split into packets because...
A webpage is too big to send in one piece
It's more organised
It reminds people of posting envelopes so it makes more sense
It's more secure than using direct messaging
A LAN can be set up in different topologies. Identify this topology.
Star
Ring
Bus
Mesh
A LAN can be set up in different topologies. Identify this topology.
Star
Ring
Bus
Mesh
A LAN can be set up in different topologies. Identify this topology.
Star
Ring
Bus
Mesh
Explain what is meant by a 'protocol'.
A set of rules for devices to communicate.
A type of computer hardware.
A programming language.
A data storage unit.
What is meant by 'encryption'?
A method of converting information or data into a secure format
A process of cleaning data
A technique for data storage
A method of data transmission
State one factor that may affect download speeds for a mobile phone user
Number of tabs open
Why is a Network Interface Card (NIC) required for each device in a network?
To connect the device to the network and facilitate communication
To increase the processing power of the device
To enhance the graphical interface of the device
To store additional data on the device
State two factors that may cause interference of the WiFi signal for a network.
Microwave ovens and concrete walls
Software updates and email usage
Internet speed and data caps
Router age and brand
During a video call, short delays in the conversation are noticed. What is this phenomenon called?
Buffering
Latency
Compression
Bandwidth limitation
Describe what happens when Sophia sends an email to her brother Fergus.
The email is sent to Fergus's email address.
The email is printed and mailed to Fergus.
The email is stored in Sophia's outbox and not sent.
The email is deleted automatically.
What protocol would be used to send the email to Fergus?
HTTP
FTP
SMTP
TCP
What is meant by the 'Cloud'?
A visible mass of condensed water vapor floating in the atmosphere
A storage technology that allows data and programs to be hosted on the internet
Automatic backup software
Which of the following is an advantage and a disadvantage of using cloud services for an agency?
Advantage: Scalability, Disadvantage: Potential downtime
Advantage: Cost-effective, Disadvantage: Security concerns
Advantage: High availability, Disadvantage: Less control over infrastructure
Advantage: Easy access, Disadvantage: Compliance issues
Explain the roles of the client and server in the client-server model.
The client requests services from the server, and the server provides services to the client.
The client provides data storage, and the server performs computations.
Both client and server perform computations and data storage equally.
The server requests services from the client, and the client provides services to the server.
Give one advantage of the client-server model over the peer-to-peer model.
Having only one source of information means everyone gets an up-to-date copy
You get a backup copy of your work
Direct file transfers without a central server.
Equal workload distribution among peers.
What other services beside cloud-based software may be provided by Internet hosts?
Web hosting
Email hosting
DNS hosting
All of the above
