Font size
WorksheetsUnit 2 (part 3) OPI
Total questions: 50
Worksheet time: 25mins
According to the Unit 2, what do we mean when we talk about: PAN, LAN, MAN, and WAN?
INTERNET ACCESS
DATA PROTECTION AND SECURITY
COMPUTER NETWORKS
MICROSOFT EDGE
According to the unit, the Internet is best defined as (a) .
Which statement correctly distinguishes an intranet from an extranet as described?
An intranet connects a company with its partners and customers, while an extranet is limited to a defined, restricted environment.
An intranet is a communications network identical to the Internet but limited to a specific, defined and restricted environment, whereas an extranet is aimed at people outside the company and connects the company with partners and establishes levels of access.
Indicate what each of the following parts of a URL refers to: protocol.
https
www
shop.com
/store/
cat/
Indicate whether this statement is true or false:The TCP/IP suite defines the language in which computers communicate on the Internet and determines how data is exchanged.
False
True
Which of the following best describes the roles of a browser and a search engine when accessing web pages?
A browser is used to view web pages with multimedia content, while a search engine is used to explore and find web pages on the World Wide Web.
A browser is used to create web pages, and a search engine is used to delete them.
A browser is used to search for information, and a search engine is used to display web pages.
A browser is used to store web pages, and a search engine is used to edit them.
Which item provides everything needed to connect to the Internet, including line installation, router, hardware and IP address? Examples include Movistar, Vodafone, Jazztel, and Orange.
Internet Service Provider (ISP)
Communications line
Router or switch
Terminal or device
Fill in the blank: The most common type of communications line provided by the service provider today is (a) .
According to the content, which two components must both be Wi‑Fi compatible to establish a Wi‑Fi connection?
Terminal
Access point (router or switch)
Network cable with RJ45 connector
Telephone line
Identify the connector shown and named in the Ethernet connection section that attaches to a network cable.
USB-C connector
RJ11 connector
RJ45 connector
HDMI connector
In Microsoft Edge (Windows 11), which labeled area allows you to open a new tab and is shown with the shortcut [Ctrl+T]?
Tabs (each contains a web page)
New tab
Address bar
Back and Forward
Which menu path in Microsoft Edge allows you to access the settings for extensions and then get extensions for Microsoft Edge?
Settings and more > Privacy > Extensions
Settings and more > Extensions > Manage Extensions > Get extensions for Microsoft Edge
Settings and more > Appearance > Get themes
Settings and more > Profiles > Add-ons
According to the unit, what is the maximum RAM a 32-bit computer can handle?
4 GB
16 GB
1 TB
16 exabytes
Fill in the blank based on the unit: In Firefox, bookmarks are like (a) in Microsoft Edge.
Which of the following is NOT listed as an action you can perform from the Microsoft Defender Antivirus app in Windows 11?
Run scans to check for threats
Configure antivirus settings
Update the computer to install threat protection
Encrypt files with BitLocker from the antivirus app
Windows Firewall helps protect your computer by preventing _______ users from connecting to your computer via the Internet. In Microsoft Windows 11, Windows Firewall is _______ by default.
(a)
If you install another antivirus program on Windows 11, what happens to Microsoft Defender according to the content?
It runs alongside the new antivirus to double protection.
It is automatically disabled to prevent conflicts and appears in installed applications.
It uninstalls itself completely.
It switches to a limited trial mode.
Which of the following options is considered malicious software according to what we studied in this unit?
Viruses
Worms
Trojans
Adware
Spyware
When evaluating an unfamiliar online shop in Microsoft Edge, which two specific checks should you perform directly in the browser to verify the connection and site trustworthiness?
Check for a padlock icon and ensure the web address begins with https.
Look for a shopping cart icon and check if the site loads quickly.
Verify the site has a colorful logo and many product images.
Check if the site offers free shipping and has customer reviews.
According to the diagram, during which years is Web 1.0 placed, and what is it characterized by?
(1990–2000); first static web pages with HTML and no interaction
(2000–2010); social media and user participation
(2010–2020); semantic web with AI-based applications
(2020–2030); active/ubiquitous web using AI for personalized experiences
Fill in the blank based on the Web 2.0 description in the diagram: Web 2.0 is known as the (a) web and enables communication between users using open standards.
Which of the following options is built on technologies like blockchain, artificial intelligence (AI), and the semantic web?
Web 1.0
Web 2.0
Web 3.0
Web 4.0
According to the unit, which sequence correctly orders the emergence of web generations with their labeled years?
Internet (1970) → Web (1990) → 1.0 (1995) → 2.0 (2005) → 3.0 (2018)
Web (1990) → Internet (1970) → 1.0 (2005) → 2.0 (1995) → 3.0 (2018)
Internet (1970) → 1.0 (1995) → Web (1990) → 2.0 (2018) → 3.0 (2005)
1.0 (1995) → 2.0 (2005) → 3.0 (2018) → Internet (1970) → Web (1990)
Which of the following statements best describes how Web 4.0 differs from Web 3.0 in terms of presence and user experience?
Web 4.0 is active and ubiquitous, offering a personalized experience using AI, while Web 3.0 focuses on the semantic web and early AI applications.
Web 4.0 is limited to desktop access, while Web 3.0 is present everywhere with personalized experiences.
Web 4.0 only uses semantic web technologies, while Web 3.0 uses artificial intelligence for personalization.
Web 4.0 transforms the web into a database, while Web 3.0 is focused on social networking.
Which network device uses routing tables to determine the best path for data packets between networks?
Switch
Router
Network interface card (NIC)
Modem
Select all items that are listed as Network Protocols in the content of the unit 2.
TCP/IP
SMTP
HTTP
FTP
SSH
Indicate whether the following statement is true or false: DNS (Domain Name System) is a system that contains a list of domain names with their corresponding IP addresses.
True
False
Which statement best matches the definition and characteristics of a Personal Area Network (PAN) provided on this page?
Connects computers over a city-wide area with fiber backbones
Connects personal devices within 1 to 10 meters, typically around one person, with very high transmission speed and low cost
Connects two or more computers over a server within up to 2 km
Provides global connectivity across continents
Fill in the blank with an example of PAN given in the material: (a) connection between a phone and wireless earbuds.
Which of the following networks refers to within a limited local area such as a home, school, or office?
Personal Area Network (PAN)
Local Area Network (LAN)
Metropolitan Area Network (MAN)
Wide Area Network (WAN)
Around one person within short range
According to the unit, which two technologies are identified as important for LANs?
Ethernet
Wi‑Fi
Bluetooth
Infrared
What is the stated range and typical transmission characteristics for a LAN?
Up to 10 meters; very low speed and high cost
1 to 10 meters; very high speed and very low cost
Up to 2 km; very high speed with easy maintenance and low cost
Over 100 km; medium speed with high maintenance cost
Which statement best defines a Wide Area Network (WAN) as shown in the unit?
A network confined to a single building using Ethernet
A network that connects computers over a large geographical distance through a shared communication path and groups multiple LANs
A network used only by banks for moving money data
What is an operating system?
interface between the hardware and application programs
collection of programs that manages hardware resources
system service provider to the application programs
all of the mentioned
Which description in the content best characterizes an Enterprise Private Network (EPN)?
A free public network for casual browsing
A secure connection between different large organizational offices, like private roads for data controlled by the company
A temporary hotspot used by travelers
A peer-to-peer file sharing network across homes
Which example is explicitly provided for an EPN in the material?
A university campus Wi‑Fi network
A financial company with its branches and a central data center linked through an EPN
A home network sharing a printer
A neighborhood mesh network
What is the primary purpose of a Virtual Private Network (VPN) as described?
To increase raw internet speed
To create a secure network connection over an insecure connection like the Internet, allowing access to a private network from a distance
To replace an EPN within a single office
To broadcast public Wi‑Fi signals
Which of the following is not an Operating System?
Red Hat
Mac OS
Windows Explorer
Solaris
What is stored in RAM?
The BIOS
The operating system
Data and instructions for use by the CPU
Save files for your games
Fill in the blank: A router is a device that (a) and directs data packets between them, determining the most efficient path based on destination.
According to the unit, what common modern ISP device combines two functions?
Router and switch
Router and firewall
Router and modem
Switch and repeater
How is the size of RAM normally measured nowadays?
In GB
In KB
In MB
In the network traffic diagram with internet → router → switch → computers A and B, which device forwards data only to the intended recipient to reduce congestion?
Router
Switch
Repeater
Firewall
What is the primary function of a repeater in a network?
Filter malicious traffic
Amplify and regenerate weakened signals
Assign IP addresses
Connect multiple devices in a LAN
You can download more RAM if you run out.
Yes
No
According to the firewall section, which statement is TRUE about firewalls?
They act as a barrier between your device/network and the outside world.
They only exist as hardware devices.
They monitor and filter incoming and outgoing traffic based on predetermined rules.
They are unnecessary for safeguarding sensitive data.
ROM stores...
The operating system
The work that you save in My Documents
Programs currently in use
The instructions needed to start up the computer, including the BIOS
Fill in the blank: HTTPS, an extension of HTTP, adds encryption via (a) for secure communication.
When the CPU is first powered on it looks in this place first before anything else.
ROM
RAM
Keyboard
Monitor
Indicate which of the following options is correct:
A web page is a document written in a special language called HTML (Hyper Text Markup Language)
