WorksheetsIT 121 - Computer Networking
Total questions: 35
Worksheet time: 19mins
Which of the following is NOT typically considered a use of computer communications?
Cooking recipes
Video conferencing
VoIP
Chat rooms
Which use of computer communications is best suited for distributing news and updates to subscribers automatically?
RSS
Chat rooms
Web folders
Instant messaging
A user wants to send a sound file to a friend. Which messaging method should they use?
Text messaging
Picture messaging
Video messaging
Wireless instant messaging
What is the main function of wireless Internet access points?
To allow people to connect wirelessly to the Internet from various locations
To provide wired Internet connections only at home
To restrict Internet access in public places
To connect devices using Bluetooth technology
Which of the following locations is NOT mentioned as a place where wireless Internet access points allow people to connect to the Internet?
Home
Work
School
Hospital
What is a cybercafé?
A coffeehouse, restaurant, or other location that provides personal computers with Internet access to its customers
A place where only food and drinks are served
A store that sells computer hardware
A library with no Internet access
Which of the following best describes the main purpose of a cybercafé?
To provide customers with access to personal computers and the Internet
To offer free coffee to customers
To sell computer accessories
To host live music events
Which of the following is a use of computer communications mentioned in the material?
Online meetings
Printing documents
Manual filing systems
Handwritten letters
How do document management systems contribute to computer communications according to the material?
By enabling users to share documents with other connected users
By providing entertainment
By teaching programming languages
By creating music files
What is a mashup in the context of web applications?
A web application that combines services from two or more sources
A type of computer virus
A hardware device for connecting to the Internet
A programming language for web development
Which of the following best describes the main function of web services in business networks?
They allow programmers to create applications that facilitate communication between remote computers.
They are used to design graphics for websites.
They store passwords for users.
They provide antivirus protection for business computers.
If a company wants to connect its branch offices in different cities, which type of network should it use?
Wide area network (WAN)
Local area network (LAN)
Metropolitan area network (MAN)
Home area network (HAN)
In which type of network can all computers share resources directly without a central server?
Peer-to-peer network
Client/server network
Star network
Bus network
What does P2P describe in the context of Internet networks?
An Internet network where users access each other's hard disks and exchange files directly
A network where only servers store and share files
A network that only allows email communication
An Internet network that restricts file sharing between users
Which of the following is a key feature of a P2P network?
Users can exchange files directly over the Internet
Only administrators can access files
Files are stored only on a central server
Users cannot access each other's hard disks
What does the term "network topology" refer to in a communications network?
The layout of the computers and devices in a communications network
The speed of the network connection
The type of software used in the network
The security protocols of the network
Which of the following is a type of network topology?
Planet network
Star network
Walking network
Dog network
What does an extranet allow?
Customers or suppliers to access part of its intranet
Only employees to access the network
Anyone on the Internet to access all data
Only administrators to access the network
Which of the following best describes the difference between an intranet and an extranet?
An intranet is for internal use, while an extranet allows external access to part of the intranet
Both are public networks
An extranet is only for internal employees
An intranet is accessible by anyone on the Internet
What is a common term used to describe wireless local area networks?
Wireless LAN
Wireless WAN
Wireless MAN
Wireless PAN
According to the 802.11 series of standards, what is the maximum transfer rate for 802.11a?
Up to 54 Mbps
Up to 11 Mbps
1 or 2 Mbps
108 Mbps and higher
Arrange the following 802.11 standards in order of increasing maximum transfer rate: 802.11, 802.11b, 802.11g, 802.11n.
802.11, 802.11b, 802.11g, 802.11n
802.11n, 802.11g, 802.11b, 802.11
802.11g, 802.11n, 802.11b, 802.11
802.11b, 802.11, 802.11g, 802.11n
RFID technology is primarily used to:
Transmit data using infrared light waves
Communicate with a tag placed in or attached to an object, animal, or person using radio signals
Connect Bluetooth devices over short distances
Enable high-speed communication between UWB devices
What role does a network switch play in a home network configuration as depicted in the diagram?
It connects multiple devices to a single network
It boosts the Wi-Fi signal strength
It secures the network from unauthorized access
It converts analog signals to digital
Which device converts signals between analog and digital formats?
Dial-up modem
Printer
Scanner
Router
What is the primary function of a router in a network?
To connect multiple computers or other routers together and transmit data to its correct destination
To store files for users on the network
To provide power to network devices
To display web pages to users
What protects many routers from unauthorized access?
Hardware firewall
Antivirus software
Wireless adapter
Printer
Why is it important for a router to transmit data to its correct destination on a network?
To ensure efficient communication between devices
To increase the speed of the printer
To reduce the size of the monitor
To improve the quality of the keyboard
What is the primary function of a wireless access point in a communications network?
To allow computers and devices to transfer data wirelessly among themselves or to a wired network
To store large amounts of data for backup purposes
To print documents from multiple computers
To provide power to connected devices
What is the primary purpose of a VPN in a network?
To connect multiple devices to a single printer
To block all incoming traffic
To increase the speed of the Internet connection
To encrypt data and provide secure remote access
Which of the following best describes a firewall's function in a network?
To monitor and control incoming and outgoing network traffic
To store data for backup purposes
To provide wireless connectivity to devices
To enhance the graphics of web applications
What is the main advantage of using fiber optic cables over traditional copper cables?
Higher bandwidth and faster data transmission
Lower cost and easier installation
More flexibility and lighter weight
Better compatibility with older devices
What does MAN stands for?
(a)
A form of broadcast radio that is used widely for mobile communication.
(a)
What does GPS stands for?
(a)
