WorksheetsRevision questions for the Exam: Computer Network and its’ types
Total questions: 100
Worksheet time: 53mins
What is the primary purpose of networking devices like routers and switches in a computer network?
To transfer data over the internet
To allow computers to communicate and share resources
To protect the network from cyber threats
To store data securely
Which of the following is a benefit of using networking devices in a LAN?
Reduces the cost of internet
Improves data transmission speeds
Provides data backup
Prevents network congestion
What does a Local Area Network (LAN) typically cover?
A) A single room or building
B) An entire city
C) Multiple continents
D) A group of countries
Which of the following is a characteristic of a Wide Area Network (WAN)?
High speed over a small geographical area
Owned by a single organisation
Covers a large geographical area, such as a country or continent
Less expensive to set up than a LAN
What is a common example of a Local Area Network (LAN)?
The Internet
A school network
An intercontinental corporation's network
A satellite communication network
Which type of network is most likely used to connect devices within a single home?
LAN
WAN
MAN (Metropolitan Area Network)
VPN (Virtual Private Network)
One benefit of a WAN over a LAN is that a WAN:
Is faster than a LAN
Can connect networks across large distances
Is easier to maintain
Requires less security
Which of the following devices is typically used to connect a LAN to a WAN?
Switch
Hub
Router
Network Interface Card (NIC)
What type of network would most likely be used by a global corporation with offices in multiple countries?
LAN
WAN
PAN (Personal Area Network)
MAN
Which networking device is responsible for directing data between different networks?
Switch
Hub
Router
Bridge
A key difference between LAN and WAN is:
LAN is slower than WAN
LAN operates over a smaller area than WAN
WAN is used for local communication only
WAN requires no external connections
Which of the following is an example of a WAN?
A university campus network
The internet
A company’s internal office network
A home Wi-Fi network
What is the primary function of a switch in a LAN?
To connect different networks
To transmit data between devices on the same network
To assign IP addresses to devices
To filter network traffic for security purposes
Which of the following is NOT a characteristic of a LAN?
High data transfer speeds
Limited geographical coverage
Typically owned and maintained by one organisation
Connection across multiple countries
In what situation would a LAN be preferable to a WAN?
When connecting devices over large distances
When managing communication within a single office building
When setting up a global network for a multinational company
When requiring high bandwidth across cities
What is a computer network?
A system that stores data
A group of interconnected devices that communicate with each other
A single computer used by multiple users
A software program for browsing the internet
Which of the following is NOT a basic component of a computer network?
Router
Modem
What does LAN stand for?
Large Area Network
Local Area Network
Limited Access Network
Linked Access Network
Which type of network is typically used in a small geographic area like an office or a building?
WAN
PAN
LAN
MAN
What is a PAN (Personal Area Network) typically used for?
Connecting devices over a large city
Connecting devices within a home or small office
Connecting a person’s devices, such as smartphones and laptops, within a small range
Connecting a network over a global scale
Which of the following is the largest type of computer network?
LAN
MAN
PAN
WAN
A network that spans a city and connects various LANs together is called a:
PAN
LAN
MAN
WAN
Which of the following devices directs data between networks and ensures it reaches the correct destination?
Switch
Hub
Router
Repeater
The primary purpose of a computer network is to:
Store data
Perform mathematical calculations
Share resources and data between devices
Create digital documents
How does a WAN differ from a LAN?
WAN covers a larger geographic area
WAN is slower than a LAN
WAN connects only two devices, while LAN connects more
WAN is used for personal use, and LAN is used for professional use
What is the role of a switch in a network?
To broadcast data to all devices on a network
To connect different networks together
To connect multiple devices on the same network and filter traffic
To provide internet access to all devices
Why are computer networks important in everyday life?
They allow data to be stored in one place
They enable communication, resource sharing, and access to the internet
They are used only in large organizations
They eliminate the need for personal computers
Which of the following network types is best suited for connecting devices in a small home or office?
WAN
PAN
LAN
MAN
Which of the following is true about a WAN?
It typically connects devices over a short distance
It is faster than a LAN
It spans large geographic areas, such as countries or continents
It is only used for personal home networks
What device helps manage traffic on a LAN by sending data only to the intended recipient?
Hub
Router
Switch
Modem
Which network type is typically used to connect an individual's devices like a smartphone, laptop, or tablet?
LAN
PAN
WAN
MAN
What is the basic concept of cloud computing?
Storing data on physical devices
Storing and accessing data over the internet instead of local storage
Using only local servers for data management
Using only a single device for all computing tasks
Which of the following is NOT a type of cloud service?
IaaS (Infrastructure as a Service)
SaaS (Software as a Service)
PaaS (Platform as a Service)
CaaS (Computing as a Service)
Which of the following is a benefit of cloud computing?
Requires large upfront hardware costs
Limited scalability
Accessible from anywhere with an internet connection
Requires frequent manual updates
What is a drawback of cloud computing?
Easy access to files from multiple devices
Lower IT maintenance costs
Security concerns related to data privacy
Unlimited storage capacity
Which type of cloud service offers users access to software applications over the internet?
IaaS
PaaS
SaaS
DaaS (Data as a Service)
What is an example of a SaaS (Software as a Service) application?
Microsoft Office 365
Amazon Web Services (AWS)
Google Cloud Platform
A company’s in-house server
Which type of cloud service allows users to rent computing infrastructure such as servers and storage?
IaaS
PaaS
SaaS
DaaS (Data as a Service)
Which of the following is an example of Infrastructure as a Service (IaaS)?
SaaS
IaaS
PaaS
CaaS
A key advantage of using cloud computing for businesses is:
Complete control over the physical location of servers
Ability to scale resources up or down based on demand
Lower energy consumption for local servers
Faster internet speeds for all users
Which of the following is a drawback of using cloud computing?
It offers enhanced collaboration features
Users rely on a stable internet connection
It reduces hardware maintenance costs
Data can be accessed remotely
What is a public cloud?
A cloud service that is privately managed for a single organization
A cloud service open to the general public but managed by third-party providers
A cloud network that operates within a private organization
A cloud service restricted to government use
Which of the following describes a hybrid cloud?
A combination of public and private cloud environments
A cloud service with limited functionality
A cloud accessible only within a local network
A cloud service that offers only storage solutions
Which of the following best describes a hybrid cloud?
A) A combination of public and private cloud environments
B) Only public cloud environments
C) Only private cloud environments
D) A cloud managed by a single organization
One of the primary benefits of cloud computing for small businesses is:
High initial hardware costs
Requires hiring a large IT team
Reduces the need for on-site servers
Limited access to advanced software
Which of the following would be considered a disadvantage of cloud computing?
The need to install software on local machines
Data transfer speed depends on the internet connection
Users have complete control over data security
No access to files when offline
In a private cloud environment:
Resources are shared with multiple organizations
It is managed by third-party cloud providers
The infrastructure is dedicated to a single organization
Only public users have access to the services
Which cloud service type provides a platform allowing developers to build, test, and deploy applications?
SaaS
IaaS
PaaS
DaaS
A key benefit of using SaaS for organizations is:
Full control over software development
Reduced need for manual software updates
Complete ownership of physical hardware
Limited access to data from remote locations
What is an example of IaaS (Infrastructure as a Service)?
Dropbox
Microsoft Azure
Adobe Creative Cloud
Google Docs
One of the main benefits of cloud computing for data storage is:
Data is automatically encrypted and cannot be accessed by others
Users can access their files from any device connected to the internet
It eliminates the need for internet connections
Complete protection from cybersecurity threats
Which of the following is a common security concern related to cloud computing?
The need to purchase physical hardware
Dependence on local servers
Unauthorized access to sensitive data stored in the cloud
Inability to access data remotely
Which of the following best describes PaaS (Platform as a Service)?
Which of the following describes the structure of a bus topology?
A) All devices are connected to a central hub
B) All devices are connected in a closed loop
C) All devices share a single communication line or backbone
D) All devices are interconnected with each other
A major benefit of a bus topology is:
High reliability
Easy to set up and requires less cable
Centralized control of the network
Fast communication between nodes
Which of the following is a drawback of a bus topology?
Difficult to troubleshoot and isolate faults
Requires more cabling than other topologies
If the main cable fails, the entire network goes down
Limited to short distances due to the use of a central hub
In a star topology, devices are connected in which of the following ways?
All devices are connected to a central hub or switch.
Each device is connected to every other device directly.
Devices are connected in a closed loop.
Devices are connected in a straight line.
Which of the following best describes cloud computing?
Provides only storage services for data
Provides software applications over the internet
Offers an environment for developing, managing, and running applications
Provides physical hardware components to users
What is the benefit of a star topology?
High data transmission speeds
If one cable fails, it only affects the connected device, not the whole network
Less expensive to implement
Easier to configure than a bus topology
One drawback of the star topology is:
If the central hub fails, the entire network goes down
Difficult to add new devices
High data collision rates
Complex to set up and manage
In a ring topology, how do data travel?
Data travel in a loop, passing through each device until it reaches its destination
Data are broadcast to all devices simultaneously
Data hop between multiple paths to the destination
Data travel only through a central device
What is a benefit of a ring topology?
Minimal data collisions due to the unidirectional flow of data
Simple and easy to set up
High fault tolerance
Requires less cabling than other topologies
A drawback of the ring topology is:
Requires a large amount of cabling
If one device or cable fails, the entire network can be disrupted
Data transfer speed is very low
High maintenance costs
How are devices connected in a mesh topology?
All devices are connected to a central hub
All devices are connected in a loop
Each device is connected to every other device
Devices are connected in a star formation
A benefit of a mesh topology is:
It is cost-effective and easy to set up
High fault tolerance because there are multiple paths for data to travel
Requires fewer cables than other topologies
Centralized control of data transmission
One drawback of the mesh topology is:
Difficult to troubleshoot
Requires significant cabling and can be expensive
High data collisions
Dependent on a central hub
Which of the following network topologies requires the least amount of cabling?
Star topology
Bus topology
Ring topology
Mesh topology
What is one major advantage of a star topology over a bus topology?
Less expensive to implement
Easier to troubleshoot because devices are connected individually to the hub
More cable efficient
No need for a central device
In a mesh topology, what happens if one connection fails?
The entire network fails
Data can still be transmitted through an alternative path
The network switches to a ring configuration
The network loses internet access
Which of the following topologies is most suitable for small networks like home networks?
Star topology
Mesh topology
Ring topology
Bus topology
Which topology is known for its high fault tolerance and redundancy?
Star topology
Mesh topology
Ring topology
Bus topology
Which topology allows every device to communicate directly with every other device?
Bus topology
Star topology
Ring topology
Mesh topology
A major drawback of the bus topology is:
Network performance decreases as more devices are added
Easy to troubleshoot
It requires significant cabling
Devices are not easily added
In a star topology, what is the role of the central hub or switch?
It broadcasts data to all devices at once
It routes data to the correct device
It connects the network to the internet
It connects devices in a loop
Which topology is most often used in large, complex networks such as the Internet?
Bus topology
Star topology
Ring topology
Mesh topology
Which of the following is a necessary component for creating a LAN (Local Area Network)?
HUB
Switch
Firewall
Modem
What is the primary function of a network switch in a LAN?
Directs data between different networks
Connects devices within the same network and forwards data to the correct destination
Provides wireless access to devices
Converts digital signals to analogue signals
Which hardware component is essential for providing wireless connectivity in a LAN?
Router
Switch
Wireless Access Point (AP)
Firewall
In a LAN, the purpose of a network interface card (NIC) is:
To provide a physical interface for connecting devices to the network
To convert analogue signals to digital signals
Which device is responsible for assigning IP addresses to devices on a LAN?
Switch
Router
Modem
NIC
What is the primary purpose of an Ethernet cable in a LAN?
To provide power to the network devices
To transmit data between devices
To filter unauthorized traffic
To amplify network signals
Which component is used to connect a LAN to the internet?
Switch
Wireless Access Point
Router
Repeater
What type of cable is most commonly used to connect devices in a wired LAN?
Coaxial cable
Fiber optic cable
Ethernet cable (Twisted pair)
HDMI cable
Which of the following hardware components would you use to extend the range of a LAN?
Router
Repeater
Switch
NIC
What is the role of a router in a LAN?
Connects multiple devices within the network
Filters and inspects data packets within the same LAN
Directs data between the LAN and other networks (such as the Internet)
Provides wireless connectivity within the network
Which hardware component is used to filter incoming and outgoing traffic on a network, ensuring security?
Switch
Firewall
Modem
Wireless Access Point
If a business wants to set up a high-speed wired LAN, which type of cable would be the most appropriate?
Coaxial cable
Fiber optic cable
Twisted-pair Ethernet cable
USB cable
What is the purpose of a modem in a LAN setup?
To connect the LAN to a wide area network (WAN) like the internet
To store files and data for all devices on the network
To connect devices wirelessly
To assign IP addresses to connected devices
Which of the following best describes a server’s role in a LAN?
A device used to share printers within the network
A central computer that provides services, such as file storage, to devices in the network
A device that connects the LAN to external networks
A device used to filter unauthorized traffic
When designing a LAN for a small office, which of the following components would be most important to provide reliable, high-speed connectivity?
Router and Wireless Access Point
Switch and Ethernet cables
Modem and USB cables
Firewall and fiber optic cables
Which of the following hardware components would be most appropriate for a secure LAN setup that needs to restrict access to certain devices?
Repeater
Firewall
Modem
Ethernet cable
When choosing a router for a small LAN setup, which of the following features is most important?
Multiple USB ports
High number of Ethernet ports
Ability to assign IP addresses and manage traffic
Built-in storage for file sharing
Which hardware component would you use to connect multiple devices in a wired LAN and manage traffic between them?
Wireless Access Point
Switch
Modem
Router
In a LAN setup, what is the primary advantage of using fiber optic cables over twisted-pair Ethernet cables?
Lower cost
Higher bandwidth and longer transmission distances
Easier to install
Less need for switches and routers
Which of the following components is essential for connecting wireless devices to a LAN?
Switch
Wireless Access Point (WAP)
Router
Ethernet cable
What is the primary purpose of primary storage?
Long-term data storage
Temporary storage of data and instructions for quick access by the CPU
Archiving large volumes of data
Transferring data between devices
Which of the following is an example of primary storage?
Hard Disk Drive (HDD)
Random Access Memory (RAM)
USB Flash Drive
CD-ROM
Which of these characteristics applies to secondary storage?
Volatile and loses data when power is turned off
Non-volatile and stores data permanently
Directly accessible by the CPU without intermediary steps
Stores only temporary data
What is the main difference between primary and secondary storage?
Primary storage is permanent, while secondary storage is temporary
Primary storage is faster but smaller in capacity, while secondary storage is slower but larger
Secondary storage is directly accessed by the CPU, while primary storage is not
There is no difference between primary and secondary storage
Which of the following is an example of secondary storage?
CPU Cache
Hard Disk Drive (HDD)
