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WorksheetsGr 7-Chapter 1 - Communication network and Mobile OS
Total questions: 52
Worksheet time: 28mins
Is defined as a specific type of network which consists of a single powerful computer acting as a server, usually connected to multiple computers called clients
Star topology
Bus topology
Ring topology
Peer-to-Peer
Client-Server
Is a type of network in which each workstation has equivalent capabilities and responsibilities. The Workstations are connected to each other but do not have a server.
Star topology
Bus topology
Ring topology
Peer-to-Peer
Client-Server
Is a computer intended for individual use in a networking environment. It is like a personal computer except that it is also connected to the others computers and to the main computer.
Network interface card
Hub
Workstation
Server
(Select more than one)
What do computer networks allow you to do?
Transferring files between computers
Using email to communicate with others
Sharing peripheral devices such as printers and scanners
Sharing an internet connection
Sharing folders and files
is made up of a main single cable with terminators at both ends. It is a shared communication medium that makes the backbone of the system. computers and other devices including the server are connected to this linear cable for communication.
Star topology
Bus topology
Ring topology
Client-Server
Peer-to-Peer
What does LAN stand for?
Local Area Network
Local Analogue Network
Local Assisted Network
What does WAN stand for?
Wide Arena Network
Wide Area Network
World Area Network
Every workstation has two neighbors for communication purposes. All messages travel through a ring in the same direction either clockwise or anticlockwise.
Star topology
Bus topology
Ring topology
Peer-to-Peer
Client-Server
It is a computer that manages network resources, software, and files. it is normally dedicated to an allocated task and performs no other task.
Network interface card
Hub
Workstation
Server
A computer network is where two or more devices are connected together so they can share...
information
resources
cables
People
Home networks are more likely to use a...
router
switch
hub
What is a computer network?
A type of computer game.
Two or more electronic components connected together in an electrical circuit.
A desktop publishing application.
Two or more devices connected together allowing the sharing of information and resources.
a huge collection of computers and networks that have been joined together.
Internet
Phishing
Spam
URL
If main cable is broken, the whole network can crash
You need more cable
Which of the following statements about a network is FALSE?
Resources such as printers can be shared
Viruses can spread to other computers throughout a computer network
Files cannot be shared between users
What is the minimum number of computers needed to create a network?
1
2
3
4
What does the 'L' stand for in 'LAN'?
Large
Loop
Local
Lollypop
Which of the following hardware devices is most likely to be shared on a network?
Mouse
Keyboard
Monitor
Printer
Iphone utilizes what particular type of Mobile Operating System?
Android OS
iOS
Blackberry OS
Symbian OS
WINDOWS PHONE OS IS DEVELOPED BY:
BLACKBERRY LIMITED
MICROSOFT
PALM INCORPORATION
APPLE INCORPORATION
Based on the picture given, determined whether the statement below is TRUE or FALSE
"The central communication device on this network must be a Server."
Which one is a BUS topology
Which of the following options is not a component of a network?
Workstation
Server
Keyboard
Hub
Switch
The following are the factors that determine the development of Mobile OS, except?
Battery size
Limited memory
Phones camera
Different GUI
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A network which covers a small area like a home or office and connects devices within a close range.
LAN
PAN
MAN
WAN
What is a key benefit of centralized software management in a network?
It reduces the need for network security
It makes updating software easier across multiple devices
It increases the risk of software incompatibility
It decreases network speed
Which of the following is a popular mobile operating system?
Windows XP
Android
MacOS
Linux
What is a major disadvantage of using a bus topology?
It is expensive to set up
If the central cable fails, the whole network goes down
Data transmission is very fast
It is difficult to add new devices
Which of the following is an example of a wired transmission channel?
Infrared
Radio waves
Twisted Pair
Microwave
What is a primary advantage of using a switch instead of a hub in a network?
Switches are cheaper than hubs
Switches can handle more devices
Switches require no power
Switches are able to direct data to the intended or specific device.
Which of the following is a type of wireless transmission channel?
Twisted pair cable
Coaxial cable
Radio waves
Fibre optics
What is the primary function of a Network Interface Card (NIC)?
Connects multiple networks together
Provides wireless network access
Allows a device to connect to a network
Manages network traffic
A (a) consists of two or more computers
linked together for sharing resources such as
printers and exchanging files, or allowing electronic
communications.
What are the advantages of using a wireless network?
Advantages of using a wireless network include automatic protection from all types of viruses and malware.
Advantages of using a wireless network include faster processing speed of the CPU and better graphics quality.
Advantages of using a wireless network include unlimited internet access without needing a service provider.
Advantages of using a wireless network include flexibility, ease of installation, mobility, reduced clutter, and cost-effectiveness.
How does a client-server network work?
Data is stored only on client devices
Clients operate independently without a server
All devices in the network are servers
A client-server network works by clients requesting services from a centralized server, which processes requests and sends responses.
What is a peer-to-peer network?
A peer-to-peer network is a centralized system controlled by a single entity.
A peer-to-peer network only allows file sharing between two computers.
A peer-to-peer network is a decentralized network where each workstation can share resources directly with others.
A peer-to-peer network requires a dedicated server to function.
What are the basic components of a network?
Only specific software applications such as: MS Word, MS Excel, and MS powerPoint
Internet service providers
User accounts and passwords
Devices (computers, routers, switches), transmission media (cables, wireless), and protocols.
What is a network topology?
Network topology is the speed at which data is transferred across a network.
Network topology is the physical arrangement of cables, computers and peripheral devices.
Network topology is the type of operating system installed on each computer in the network.
Network topology is the method used to protect a network from hackers and viruses.
Describe a star topology.
A star topology connects nodes in a linear fashion.
A star topology is a decentralized network with equal peer nodes.
A star topology is a network layout where all nodes are connected to a central hub or switch.
A star topology has no central hub, only direct connections between nodes.
What are the differences between LAN and WAN?
LAN covers large areas with lower speed; WAN covers small areas with high speed.
LAN is slower than WAN and is used for global connections.
WAN is typically used for local networks with high bandwidth.
LAN is for small areas like same building WAN is for large areas like between countries.
List two types of transmission channels.
Satellite channels
Wired channels, Wireless channels
Fiber optic channels
Optical channels
A (a) is a computer intended for individual use in a
networking environment.
What is data transmission?
The process of storing data in a computer
The process of sending data from one place to another
The process of deleting unwanted files
The process of compressing data
