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WorksheetsStage 5 computer Tech: Networks Topic Test
Total questions: 90
Worksheet time: 50mins
What did the original network consist of?
A central mainframe computer with a number of terminals.
A series of interconnected personal computers.
A cloud-based system with multiple servers.
A peer-to-peer network of equal computers.
What is a Communication Network?
A set of products, concepts, and services that enable the connection of a computer system
A single computer connected to the internet
A type of software used for communication
A wireless device used for networking
What is a network?
A single computer
Two or more computers linked together, usually with cables
A type of software
A wireless device
What is each device on a network called?
Peripheral
Node
Hub
Switch
What are Peripheral Devices?
Software applications
Hardware devices attached to a computer, usually through an input/output port
Wireless networking devices
Types of network cables
Which of the following is an advantage of setting up a network?
Cost of installation
Equipment failure
Ability to share peripheral devices
Security
What is a disadvantage of setting up a network?
Access to shared files
Central administration of application programs and other software
Sharing a single internet connection
Administration and maintenance
Which of the following is NOT an advantage of setting up a network?
Access to databases
Ability to play networked games
Equipment failure
Central administration of application programs and other software
Which of the following is an advantage of setting up a network?
Security
Access to shared files
Cost of installation
Administration and maintenance
Which of the following is a disadvantage of setting up a network?
Sharing a single internet connection
Access to databases
Security
Ability to play networked games
Which type of network is based on a central server or servers with many clients?
Client-Server Network
Peer-to-peer Network
Local Area Network (LAN)
Wide Area Network (WAN)
In which type of network do all nodes have equal status?
Client-Server Network
Peer-to-peer Network
Local Area Network (LAN)
Wide Area Network (WAN)
Which type of network requires users to log in to gain access to shared resources?
Client-Server Network
Peer-to-peer Network
Local Area Network (LAN)
Wide Area Network (WAN)
In which type of network are users required to set up shared folders on their hard drive to enable file sharing?
Client-Server Network
Peer-to-peer Network
Local Area Network (LAN)
Wide Area Network (WAN)
Which type of network is very popular for local area networks (LAN)?
Client-Server Network
Peer-to-peer Network
Wide Area Network (WAN)
Metropolitan Area Network (MAN)
What type of network is depicted in the diagram?
Peer-to-Peer Network
Client-Server Network
Mesh Network
Ring Network
Which of the following devices is NOT shown in the client-server network diagram?
MAC
Printer
Router
PDA
Which operating system is mentioned in the client-server network diagram?
Windows XP
Windows 95/98/2000
Windows 7
Windows 10
What type of client is shown in the diagram?
Thick Client
Thin Client
Hybrid Client
None of the above
What type of network is depicted in the diagram?
Client-Server Network
Peer-to-Peer Network
Metropolitan Area Network
Wide Area Network
In a peer-to-peer network, which of the following is true?
All computers have equal status
There is a central server
Only one computer can share resources
It is used for large-scale networks
Which device is used to connect the workstations in the diagram?
Router
Switch
Hub
Modem
Which of the following devices is shared in the peer-to-peer network shown in the diagram?
Shared Printer
Shared Scanner
Both A and B
None of the above
Which type of network is limited to a single geographical location such as a building or a group of buildings on a single site?
Wide Area Network (WAN)
Virtual Private Network (VPN)
Local Area Network (LAN)
Metropolitan Area Network (MAN)
Which type of network connects computers that are hundreds and kilometers apart?
Local Area Network (LAN)
Wide Area Network (WAN)
Virtual Private Network (VPN)
Personal Area Network (PAN)
Which type of network uses encryption and other security measures to ensure that only authorized users can access it?
Local Area Network (LAN)
Wide Area Network (WAN)
Virtual Private Network (VPN)
Metropolitan Area Network (MAN)
Which type of network can be created by businesses and educational institutions to allow their employees and students to gain remote access to their LANs?
Local Area Network (LAN)
Wide Area Network (WAN)
Virtual Private Network (VPN)
Personal Area Network (PAN)
Which type of network services a collection of LANs?
Local Area Network (LAN)
Wide Area Network (WAN)
Virtual Private Network (VPN)
Personal Area Network (PAN)
What is the role of a workstation in a network?
It acts as a central connection point.
It is a computer connected to a network.
It boosts the signal of the network.
It links two different types of networks.
What is the primary function of a hub in a network?
To act as a signal booster.
To connect different networks and direct data traffic.
To serve as a central connection point when adding workstations.
To allow two or more networks to exchange data.
What is the difference between a hub and a switch?
Hubs are used for connecting different networks, while switches are used for boosting signals.
Hubs have per-port switching, while switches do not.
Switches have per-port switching and can be managed, while hubs do not.
Hubs are used to connect to the internet, while switches are used to connect workstations.
What is the simplest form of a signal booster in a network?
Router
Gateway
Repeater
Bridge
What is the function of a gateway in a network?
To connect different networks and direct data traffic.
To link two different types of networks using hardware and software.
To allow two or more networks to exchange data.
To boost the signal of the network.
What does a bridge do in a network?
It acts as a central connection point.
It boosts the signal of the network.
It allows two or more networks to exchange data regardless of their specific topology.
It connects different networks and directs data traffic.
What is the role of a router in a network?
To act as a signal booster.
To connect different networks and direct data traffic.
To serve as a central connection point.
To allow two or more networks to exchange data.
What is a network interface card (NIC)?
What is a network operating system (NOS)?
What is the primary purpose of file servers?
Host websites for retrieval by users on the internet
Store and process email and manage email accounts
Used to store files and data that are to be shared by users of the network
Acts as an intermediary between an end user and the internet
Which type of server hosts websites for retrieval by users on the internet?
File servers
Web servers
Proxy servers
Print servers
What is the function of proxy servers?
Store and process email and manage email accounts
Dedicated to processing printing requests from users on a LAN
Acts as an intermediary between an end user and the internet
Used to store files and data that are to be shared by users of the network
Which type of server is dedicated to processing printing requests from users on a LAN?
File servers
Web servers
Print servers
Mail servers
What is the role of mail servers?
Host websites for retrieval by users on the internet
Store and process email and manage email accounts
Acts as an intermediary between an end user and the internet
Dedicated to processing printing requests from users on a LAN
What is a protocol in the context of computer networks?
A set of rules used by all the devices on a network
A type of computer hardware
A software application for editing documents
A programming language
Which of the following protocols is used to transfer data between two computers across the internet?
IPX/SPX
NetBIOS and NetBEUI
AppleTalk
TCP/IP
What does TCP in TCP/IP stand for?
Transmission Control Protocol
Transfer Communication Protocol
Transport Control Protocol
Transmission Communication Protocol
Which protocol manages the movement of data in individual packets between two computers?
IP
SPX
NetBEUI
AppleTalk
Which of the following is NOT a type of protocol mentioned in the document?
IPX/SPX
NetBIOS and NetBEUI
AppleTalk
HTTP/HTTPS
Which of the following is NOT one of the three types of network topologies?
Mesh topologies
Star topologies
Ring topologies
Bus topologies
How many types of network topologies are mentioned in the document?
2
3
4
5
Which of the following is a type of network topology?
Tree topologies
Star topologies
Hybrid topologies
Mesh topologies
Which of the following is an advantage of the Star topology?
A. A single cable is used to connect all the nodes.
B. Each node has its own cable and does not need to share the line with any other node.
C. They are easy and cheap to set up.
D. Because one cable carries all the data, collisions can affect networks with many nodes.
What is a disadvantage of the Ring topology?
A. If the central node fails, the entire network will cease to operate.
B. More cabling is required than for other network topologies.
C. If the ring is broken, or the cable is faulty, the entire network will stop working.
D. It is easy to identify a faulty cable because it will affect only a single link.
Which of the following is a disadvantage of the Bus topology?
A. Nodes can be added and removed easily.
B. They are easy and cheap to set up.
C. New links to the central node can be added easily.
D. Collisions (data traffic jams) can affect networks with many nodes.
What is an advantage of the Ring topology?
A. Each node has its own cable and does not need to share the line with any other node.
B. A single cable is used to connect all the nodes.
C. They are easy and cheap to set up.
D. More cabling is required than for other network topologies.
Which of the following is a disadvantage of the Star topology?
A. If the central node fails, the entire network will cease to operate.
B. Nodes can be added and removed easily.
C. A single cable is used to connect all the nodes.
D. They are easy and cheap to set up.
What is data transmission?
The act of moving any kind of information from one space to another
The act of storing information in a database
The act of deleting information from a system
The act of encrypting information for security
In which data transmission mode does data travel in one direction only?
Simplex
Half Duplex
Full Duplex
Multiplex
Which data transmission mode is used in radio, telegrams, and television?
Simplex
Half Duplex
Full Duplex
Multiplex
In half duplex data transmission mode, how does data travel?
In both directions, but not at the same time
In one direction only
In both directions simultaneously
In multiple directions at once
Which data transmission mode is used in two-way and ham radios?
Half Duplex
Simplex
Full Duplex
Multiplex
What is a characteristic of full duplex data transmission mode?
Data flows in both directions simultaneously
Data flows in one direction only
Data flows in both directions, but not at the same time
Data flows in multiple directions at once
Which data transmission mode is used by the current telephone system?
Full Duplex
Simplex
Half Duplex
Multiplex
What is the definition of baud rate?
The number of bits transmitted each second.
The number of distinct signal events or timing intervals in a second.
The difference between the highest and lowest signal frequencies.
The speed at which data can be transferred from one point to another.
What does bits per second (bps) measure?
The number of distinct signal events in a second.
The number of bits transmitted each second.
The difference between the highest and lowest signal frequencies.
The speed at which data can be transferred from one point to another.
What is the relationship between baud rate and bits per second (bps) in a single message containing five bits sent out in one second?
Baud rate is higher than bps.
Baud rate is lower than bps.
Baud rate and bps are the same.
Baud rate and bps are unrelated.
What is bandwidth?
The number of bits transmitted each second.
The number of distinct signal events in a second.
The difference between the highest and lowest signal frequencies.
The speed at which data can be transferred from one point to another.
What is a baseband link?
A link that uses the available bandwidth for a single signal.
A link that splits the bandwidth into many smaller separate bands.
A link that measures the number of bits transmitted each second.
A link that measures the number of distinct signal events in a second.
What is a broadband link?
A link that uses the available bandwidth for a single signal.
A link that splits the bandwidth into many smaller separate bands.
A link that measures the number of bits transmitted each second.
A link that measures the number of distinct signal events in a second.
Which of the following is a characteristic of a coaxial cable?
It is made of pairs of insulated copper wire twisted together.
It is made of stiff copper wire surrounded by insulating material and encased in a cylindrical conductor like a mesh.
It is made of optical fibers.
It is made of plastic.
What is the main advantage of a twisted pair cable?
It is very expensive.
It is made of optical fibers.
It is cheap to purchase and install.
It is made of plastic.
What does UTP stand for in networking?
Unshielded Twisted Pair
Universal Twisted Pair
Unshielded Transmission Pair
Universal Transmission Pair
Which of the following is NOT a type of cable media mentioned in the text?
Coaxial cable
Twisted pair cable
Optical fiber cable
Plastic cable
What does a light pulse signal in an optical fibre cable?
A) A '0' bit
B) A '1' bit
C) An error
D) A power surge
Which of the following is NOT an advantage of optical fibre cables over copper wire cables?
A) It is not affected by electrical interference.
B) It is thinner and lighter than coaxial cables.
C) It is cheaper to make and repair.
D) It provides greater security.
Why is optical fibre cable considered to provide greater security?
A) It is difficult to intercept.
B) It is not affected by electrical interference.
C) It has a high transmission speed.
D) It can carry thousands of separate signals.
What is one of the disadvantages of optical fibre cables?
A) They are affected by electrical interference.
B) They have a high error rate.
C) They are expensive to make and repair.
D) They are heavier than coaxial cables.
What is required at each end of an optical fibre link to convert data between light pulses and electrical signals?
A) Amplifiers
B) Transponders
C) Modems
D) Repeaters
Which data transmission medium is described as having "high bandwidth" and can be used where cabling is not possible or too expensive?
Coaxial cable
Unshielded twisted pair
Optical fibre
Microwave
What is a disadvantage of using coaxial cable for data transmission?
Expensive
Data loss due to electromagnetic interference
Slow data transfer
Subject to interference by weather
Which data transmission medium has a data transmission rate of over 400 Mbps?
Coaxial cable
Unshielded twisted pair
Optical fibre
Microwave
What is an advantage of using unshielded twisted pair cables?
High bandwidth
Easily terminated
Expensive
Subject to interference by weather
Which data transmission medium is described as having "50 km between antennas" and "subject to interference by weather"?
Coaxial cable
Unshielded twisted pair
Optical fibre
Microwave
What is the maximum data transmission rate for unshielded twisted pair cables?
Up to 10 Mbps
10 Mbps to 1 Gbps
Over 400 Mbps
Over 2 Gbps
Which factor is described as a trade-off between what is desired and what is affordable in network development projects?
Distance
Cost
The number of nodes
Sustainability and expansion
What is an important factor to consider when deciding what type of cabling to use in a network?
Cost
The number of nodes
Distance
Sustainability and expansion
In a network, what are the devices at the end of a cable, such as workstations and printers, called?
Nodes
Cables
Routers
Switches
When designing a network, what must be considered to ensure it can be maintained and expanded easily?
Distance
Cost
The number of nodes
Sustainability and expansion
What is a firewall?
A hardware or software solution that controls access to a protected network
A device that stores data
A type of malware
A network protocol
What is one of the primary functions of a proxy server?
To act as a direct communication link between a client and a host
To act as a firewall preventing direct communication between a client and a host
To store sensitive data for easy access
To increase the speed of internet connection
What is a 'honey pot' in the context of proxy servers?
A server that stores sensitive data
A site that attracts hackers by containing sensitive data
A site without sensitive data that tricks hackers
A server that speeds up internet connections
