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WorksheetsThird Quarter Review Activity – Computer (Level 7)
Total questions: 60
Worksheet time: 30mins
Instructions: Choose the correct answer for each question. Encircle your best answer. Which of the following is a characteristic of a wireless local area network (WLAN)?
Utilizes physical cables for data transmission
Connects devices using radio waves
Requires fiber optic connections
Operates exclusively on satellite links
Instructions: Choose the correct answer for each question. Encircle your best answer. What device allows wireless devices to connect to a wired network?
Modem
Access Point (AP)
Switch
Router
Instructions: Choose the correct answer for each question. Encircle your best answer. In a wireless ad-hoc network, which statement is true?
An access point is required
Devices communicate directly without an access point
It relies on cellular towers
It uses satellite communication
Instructions: Choose the correct answer for each question. Encircle your best answer. Which multiple access technique is used by IEEE 802.11 standard for wireless LAN?
CDMA
CSMA/CA
TDMA
FDMA
Instructions: Choose the correct answer for each question. Encircle your best answer. What is the primary function of a router in a network?
Connects multiple networks and directs data between them
Amplifies wireless signals
Provides IP addresses to devices
Acts as a firewall
Instructions: Choose the correct answer for each question. Encircle your best answer. Which cable type is commonly used in wired Ethernet networks?
Coaxial Cable
Unshielded Twisted Pair (UTP)
Fiber Optic Cable
Serial Cable
Instructions: Choose the correct answer for each question. Encircle your best answer. What is the maximum data rate of the IEEE 802.11g standard?
11 Mbps
54 Mbps
100 Mbps
600 Mbps
Instructions: Choose the correct answer for each question. Encircle your best answer. Which security protocol is considered the most secure for wireless networks?
WEP
WPA
WPA2
WPA3
Instructions: Choose the correct answer for each question. Encircle your best answer. What is the purpose of the Service Set Identifier (SSID) in a wireless network?
Encrypts data transmissions
Identifies the wireless network name
Assigns IP addresses
Measures signal strength
Instructions: Choose the correct answer for each question. Encircle your best answer. Which of the following is a disadvantage of wired networks compared to wireless networks?
More susceptible to interference
Limited mobility for connected devices
Higher latency
Lower data transfer rates
Instructions: Choose the correct answer for each question. Encircle your best answer. What is required to set up a wireless network?
Ethernet cables
Wireless network adapter and wireless access point/router
HomePNA adapters
Ethernet hub or switch
Instructions: Choose the correct answer for each question. Encircle your best answer. What is the primary connection medium for an Ethernet network?
Phone lines
Electrical wiring
Cables
Wireless signals
Instructions: Choose the correct answer for each question. Encircle your best answer. Which of the following is a disadvantage of a Powerline network?
Limited range
"Noise" due to electrical power
Expensive setup
Vulnerable to hackers
Instructions: Choose the correct answer for each question. Encircle your best answer. To set up a HomePNA network, which device is necessary for each computer?
Ethernet router
HomePNA adapter
Wireless router
Ethernet hub
Instructions: Choose the correct answer for each question. Encircle your best answer. What is the function of a network gateway in a phoneline home network?
To manage the network topology
To connect two networks using different base protocols
To increase signal strength
To protect the network from intruders
Instructions: Choose the correct answer for each question. Encircle your best answer. Which of the following networks is typically used in large institutions such as universities?
PAN
LAN
CAN
WAN
Instructions: Choose the correct answer for each question. Encircle your best answer. What is the primary use of a Home Area Network (HAN)?
Connecting multiple cities or regions
Communication among different devices in a residential setting
Large scale industrial use
Connecting multiple businesses
Instructions: Choose the correct answer for each question. Encircle your best answer. Which network covers the largest geographical area?
LAN
MAN
CAN
WAN
What is the defining characteristic of a Star Network?
All computers are connected to each other in a loop
A central hub connects all computers
All signals are sent without a central hub
Computers connect directly without any central point
In which topology do all computers connect to a single cable or wire?
Star Network
Bus Network
Ring Network
Tree Network
Which topology integrates both star and bus topologies?
Ring Network
Tree Network
Star Network
Mesh Network
What is a key feature of a Mesh Network?
All devices are directly connected to one another in full-mesh
Only one device is connected to all other devices
It is the simplest to set up
It uses a single cable for communication
Which processing type involves a central computer controlling all processing?
Distributed processing
Centralized processing
Parallel processing
Cloud processing
What is the primary purpose of a Client-Server network design?
Sharing files and resources between equal computers
Allowing one central computer (server) to manage data and resources
Connecting multiple devices through a single network cable
Allowing wireless communication between devices
Which of the following is an example of a Peer-to-Peer (P2P) network?
A business network with centralized data storage
A small home network where each computer shares resources equally
A network that connects a city’s buildings
A university network where one server controls all processing
Which of the following is NOT a typical classification of networks?
LAN (Local Area Network)
WAN (Wide Area Network)
MAN (Metropolitan Area Network)
P2P (Peer to Peer)
In a Ring Network, what happens if one machine fails?
Only the failed machine stops working
The entire network stops working
The network continues with reduced speed
The network automatically repairs itself
Which network design is commonly used by individuals at home for resource sharing?
Client-Server
Peer-to-Peer (P2P)
Mesh Network
Star Network
What is the role of a modem in a phoneline network?
It increases signal strength
It connects the phoneline to the internet
It serves as the network hub
It secures the network against external attacks
Which of the following is an example of a large network that spans multiple cities or even countries?
LAN
WAN
CAN
MAN
What is the primary function of system software?
To perform a specific task like browsing the internet
To manage hardware resources and provide a platform for application software
To create and debug other software programs
To edit and modify documents
Which of the following is NOT a type of system software?
Operating System
Utility Software
Application Software
Device Driver
What is the main function of an operating system?
Running antivirus scans
Managing hardware and software resources
Designing and developing applications
Editing and creating multimedia files
Which of the following is an example of utility software?
Adobe Photoshop
Microsoft Word
Antivirus program
Google Chrome
What is the purpose of device drivers?
To detect and remove computer viruses
To enhance graphical user interface (GUI)
To allow hardware devices to communicate with the operating system
To store and organize files
Which of the following is NOT a common operating system?
Microsoft Windows
Apple macOS
Linux
JavaScript
What is a key characteristic of Linux operating systems?
It is closed-source and proprietary
It is developed and owned by Microsoft
It is an open-source software that can be freely modified
It is exclusively used on Apple devices
How do computer viruses typically spread?
Through the internet and removable storage devices
By typing commands in the command-line interface
By installing an operating system
By adjusting the display settings
What does GUI (Graphical User Interface) allow users to do?
Interact with the computer using text commands
Use a mouse to click on icons, buttons, and menus
Modify the source code of the operating system
Install and remove system drivers
Which of the following Windows operating systems was designed for touchscreen devices?
Windows 7
Windows 8
Windows XP
Windows Vista
What is required to access the internet?
A computer only
A web browser and an internet connection
A modem only
A modem only
Which of the following is an example of a web browser?
Windows Explorer
Google Drive
Mozilla Firefox
Adobe Reader
What is a web page?
A document stored on a local computer
A page on the internet that can contain text, images, and multimedia
A type of email attachment
A device used to connect to the internet
What is the first page that loads when a web browser is opened?
Search page
Home page
Login page
Bookmark page
What does URL stand for?
Universal Resource Link
Uniform Resource Locator
Unique Routing Link
User Reference Location
What is the primary purpose of an email?
To send and receive messages over the internet
To browse web pages
To stream videos
To store files online
What device connects a computer to the internet using telephone or cable lines?
Switch
Modem
Router
Access Point
What is the role of a router in an internet connection?
It stores web pages
It connects multiple devices to a single internet connection
It converts analog signals to digital
It acts as a firewall only
Which device extends an internet connection using electrical wiring?
Modem
Wireless router
Powerline adapter
Network switch
Which of the following is an Internet Service Provider (ISP)?
Microsoft
Google Chrome
PLDT
Mozilla
What is the first step before installing an operating system?
Insert a blank USB drive
Prepare the OS installation DVD or USB and the product key
Disconnect all hardware devices
Format the hard drive manually
If a PC does not have a DVD-ROM drive, how can you install an operating system?
By using a floppy disk
By using a bootable USB drive
By downloading the OS after startup
By using a CD player
What key is commonly used to access the BIOS setup before installing Windows?
F1
F8
F12
Delete
During Windows installation, what must be entered before proceeding with the setup?
Serial number of the computer
Username and password
Windows product key
Email address
Why is it important to set the hard disk drive as the boot priority after OS installation?
To allow the computer to boot from the hard drive instead of the installation media
To prevent overheating of the CPU
To improve internet speed
To increase RAM capacity
What is the final step in installing Windows?
Restarting the computer
Setting up a username and password
Reinstalling the BIOS
Connecting to the internet
What is CentOS?
A version of Microsoft Windows
A Linux distribution based on Red Hat Enterprise Linux
A web browser
A type of computer hardware
What should be done before installing CentOS from a CD or DVD?
Format the hard drive manually
Download an additional software package
Select the "Install or upgrade existing system" option
Change the computer's motherboard
What is required when setting up CentOS network settings?
An active email account
An antivirus program
The Address, Netmask, and Gateway details
A Windows activation key
What appears after successfully installing CentOS?
A welcome login screen
A BIOS update message
A Windows compatibility notification
A system recovery prompt
