1. Internet is best described as ____________.
A) A local area network
B) A worldwide network of networks
C) A single large computer
D) A private intranet
Answer: B
Explanation: Internet connects millions of computers globally using TCP/IP protocols.
2. The communication protocol of the Internet is ____________.
A) HTTP
B) TCP/IP
C) SMTP
D) FTP
Answer: B
Explanation: Transmission Control Protocol/Internet Protocol (TCP/IP) is the foundation of the Internet.
3. Which of the following is a unique address assigned to each device on the Internet?
A) URL
B) Domain name
C) IP address
D) ISP
Answer: C
Explanation: Each device on the Internet has a unique IP address (IPv4 or IPv6) for identification.
4. The first network that led to the Internet was ____________.
A) ARPANET
B) NSFNET
C) INTRANET
D) BITNET
Answer: A
Explanation: ARPANET, developed by the U.S. Department of Defense, was the foundation of today’s Internet.
5. The “www” in a website address stands for ____________.
A) Wide Web World
B) World Wide Web
C) World Web Wide
D) World Work Web
Answer: B
Explanation: WWW refers to the system of interlinked hypertext documents accessible via the Internet.
6. Which of the following is a web browser?
A) Google
B) Yahoo
C) Chrome
D) Bing
Answer: C
Explanation: Chrome is a web browser; Google and Bing are search engines, Yahoo is a portal and mail service.
7. An ISP provides ____________.
A) Internet Service Protocol
B) Internet Service Provider
C) Internet Services to users
D) Internet Speed Program
Answer: C
Explanation: An ISP (Internet Service Provider) connects users to the Internet.
8. The first web browser was ____________.
A) Internet Explorer
B) Netscape Navigator
C) Mosaic
D) Chrome
Answer: C
Explanation: Mosaic, developed in 1993, was the first popular web browser.
9. Which of the following is not an Internet service?
A) E-mail
B) Chatting
C) Telephony
D) Compiling
Answer: D
Explanation: Compiling is a programming process, not an Internet service.
10. URL stands for ____________.
A) Universal Resource Locator
B) Uniform Resource Locator
C) Uniform Reference Link
D) Universal Reference Link
Answer: B
Explanation: A URL specifies the address of a web resource on the Internet.
11. Which protocol is used to transfer web pages?
A) HTTP
B) FTP
C) SMTP
D) SNMP
Answer: A
Explanation: HyperText Transfer Protocol (HTTP) transfers web content between browser and server.
12. The secure version of HTTP is ____________.
A) HTTPS
B) FTP
C) S-HTTP
D) SNMP
Answer: A
Explanation: HTTPS uses SSL/TLS encryption for secure web communication.
13. Which organization manages domain names and IP addresses?
A) IEEE
B) ICANN
C) ISO
D) ITU
Answer: B
Explanation: ICANN (Internet Corporation for Assigned Names and Numbers) manages IP addresses and domain names.
14. The part “.com” in a domain name indicates ____________.
A) Communication
B) Company/Commercial
C) Computer
D) Common
Answer: B
Explanation: “.com” is a top-level domain (TLD) for commercial organizations.
15. Which of the following is an example of a search engine?
A) Google
B) Outlook
C) Facebook
D) WhatsApp
Answer: A
Explanation: Google is a search engine, Outlook is for email, Facebook and WhatsApp are social media/messaging.
16. Which of the following is used to send and receive emails?
A) FTP
B) SMTP and POP3/IMAP
C) HTTP
D) DNS
Answer: B
Explanation: SMTP sends emails, while POP3/IMAP retrieves them.
17. Cloud storage services like Google Drive and Dropbox are examples of ____________.
A) SaaS
B) IaaS
C) PaaS
D) DBMS
Answer: A
Explanation: These are Software-as-a-Service applications provided over the Internet.
18. Which is not a social networking site?
A) LinkedIn
B) Twitter
C) Amazon
D) Instagram
Answer: C
Explanation: Amazon is an e-commerce platform, not a social networking site.
19. VoIP refers to ____________.
A) Video over Internet Protocol
B) Voice over Internet Protocol
C) Virtual Online Internet Program
D) Variable Output IP
Answer: B
Explanation: VoIP allows voice communication via the Internet, e.g., Skype, Zoom.
20. The technique of stealing personal information over the Internet is called ____________.
A) Phishing
B) Spoofing
C) Hacking
D) Cracking
Answer: A
Explanation: Phishing tricks users into revealing sensitive information like passwords and banking data.
21. Which protocol is used for domain name resolution?
A) DNS
B) FTP
C) DHCP
D) ICMP
Answer: A
Explanation: DNS (Domain Name System) translates domain names into IP addresses.
22. Which among the following is a video streaming platform?
A) Wikipedia
B) YouTube
C) LinkedIn
D) Quora
Answer: B
Explanation: YouTube is the world’s largest video streaming and sharing platform.
23. Cookies in a web browser are used to ____________.
A) Store user data
B) Provide encryption
C) Speed up the processor
D) Save RAM
Answer: A
Explanation: Cookies store small pieces of user information like preferences and login status.
24. The “http://” at the start of a web address indicates ____________.
A) File transfer
B) Web page access protocol
C) Email service
D) Directory
Answer: B
Explanation: It specifies that the web page is accessed using HTTP protocol.
25. Which device is essential to connect a computer to the Internet?
A) Printer
B) Modem/Router
C) Scanner
D) Projector
Answer: B
Explanation: A modem or router connects a computer to an ISP for Internet access.
26. Which protocol is used by email clients to send messages to a mail server?
A) POP3
B) SMTP
C) IMAP
D) HTTP
Answer: B
Explanation: Simple Mail Transfer Protocol (SMTP) is used for sending emails from a client to a server.
27. Which protocol allows emails to be downloaded and viewed offline?
A) SMTP
B) POP3
C) IMAP
D) DNS
Answer: B
Explanation: Post Office Protocol (POP3) downloads emails from the server to the client and removes them from the server.
28. Which email protocol allows synchronization of emails across multiple devices?
A) POP3
B) IMAP
C) SMTP
D) FTP
Answer: B
Explanation: Internet Message Access Protocol (IMAP) keeps emails on the server, allowing access from multiple devices.
29. An email address is typically divided into ____________.
A) 2 parts (username and domain)
B) 3 parts (protocol, username, domain)
C) 4 parts (protocol, username, domain, server)
D) Only one unique ID
Answer: A
Explanation: Example: user@gmail.com → “user” is the username, “gmail.com” is the domain.
30. The “cc” field in an email stands for ____________.
A) Carbon Copy
B) Current Copy
C) Complete Copy
D) Common Copy
Answer: A
Explanation: CC allows sending a copy of the email to additional recipients for their information.
31. The “bcc” field in email is used to ____________.
A) Send a backup copy
B) Send a hidden copy to recipients
C) Block junk mail
D) Broadcast email
Answer: B
Explanation: BCC (Blind Carbon Copy) hides recipients from one another.
32. Email attachments can contain ____________.
A) Only text
B) Only images
C) Only documents
D) Any type of file
Answer: D
Explanation: Attachments may include text, images, documents, audio, or video files.
33. The maximum size of Gmail attachments is ____________.
A) 10 MB
B) 25 MB
C) 50 MB
D) 100 MB
Answer: B
Explanation: Gmail allows attachments up to 25 MB; larger files are shared via Google Drive.
34. Which of the following is an email service provider?
A) Google Drive
B) Gmail
C) YouTube
D) Bing
Answer: B
Explanation: Gmail is Google’s free email service.
35. Which of these is NOT a search engine?
A) Yahoo
B) Bing
C) Chrome
D) DuckDuckGo
Answer: C
Explanation: Chrome is a web browser, while Yahoo, Bing, and DuckDuckGo are search engines.
36. Which search engine is owned by Microsoft?
A) Yahoo
B) Bing
C) Google
D) DuckDuckGo
Answer: B
Explanation: Bing is Microsoft’s official search engine.
37. Which search engine focuses on user privacy and does not track users?
A) Google
B) Yahoo
C) Bing
D) DuckDuckGo
Answer: D
Explanation: DuckDuckGo emphasizes privacy and does not store personal search history.
38. Which of these is an example of a meta-search engine?
A) Google
B) Yahoo
C) Dogpile
D) Bing
Answer: C
Explanation: A meta-search engine fetches results from multiple search engines at once.
39. The technique of improving a website’s ranking in search engines is called____________.
A) SEO
B) HTTP
C) SMO
D) DNS
Answer: A
Explanation: Search Engine Optimization (SEO) improves visibility and ranking of web pages.
40. Which of the following is not a Google service?
A) Gmail
B) YouTube
C) Google Docs
D) iCloud
Answer: D
Explanation: iCloud is a service by Apple, not Google.
41. Cloud computing primarily provides ____________.
A) Hardware only
B) Software only
C) On-demand IT resources over Internet
D) Only storage
Answer: C
Explanation: Cloud computing provides infrastructure, platform, and software services via the Internet.
42. Google Drive provides free storage of ____________.
A) 5 GB
B) 10 GB
C) 15 GB
D) 20 GB
Answer: C
Explanation: Google Drive offers 15 GB of free storage shared across Gmail, Drive, and Photos.
43. Which company provides the iCloud cloud storage service?
A) Microsoft
B) Google
C) Apple
D) Amazon
Answer: C
Explanation: Apple provides iCloud storage for iOS and Mac devices.
44. Dropbox is an example of ____________.
A) Cloud storage service
B) Email service
C) Social network
D) Web browser
Answer: A
Explanation: Dropbox provides online file storage and sharing services.
45. OneDrive is the cloud service offered by ____________.
A) Apple
B) Amazon
C) Microsoft
D) Google
Answer: C
Explanation: OneDrive is Microsoft’s cloud storage solution.
46. Which cloud service provides infrastructure resources like servers and storage?
A) SaaS
B) IaaS
C) PaaS
D) DNS
Answer: B
Explanation: Infrastructure as a Service (IaaS) provides virtualized computing resources.
47. Which service model allows users to run applications directly on the cloud without installation?
A) SaaS
B) PaaS
C) IaaS
D) DaaS
Answer: A
Explanation: Software as a Service (SaaS) delivers applications over the Internet (e.g., Gmail, Google Docs).
48. Amazon Web Services (AWS) is an example of____________.
A) Only SaaS
B) Only IaaS
C) Cloud computing platform (IaaS, PaaS, SaaS)
D) Search engine
Answer: C
Explanation: AWS provides all three cloud service models depending on user needs.
49. Which of the following is a benefit of cloud computing?
A) Scalability
B) Pay-as-you-go model
C) Accessibility from anywhere
D) All of the above
Answer: D
Explanation: Cloud computing provides flexibility, cost-effectiveness, and remote accessibility.
50. Which Google service allows creating documents, spreadsheets, and presentations online?
A) Gmail
B) Google Docs
C) Google Search
D) Google Maps
Answer: B
Explanation: Google Docs is an online SaaS application for document editing and collaboration.
51. Facebook is an example of____________.
A) E-commerce site
B) Social networking site
C) Cloud service
D) Search engine
Answer: B
Explanation: Facebook allows users to connect, share content, and communicate online.
52. LinkedIn is mainly used for____________.
A) Social gaming
B) Professional networking
C) Online shopping
D) Cloud storage
Answer: B
Explanation: LinkedIn is used for professional connections, job searching, and business networking.
53. Twitter is best described as____________.
A) Microblogging platform
B) Video streaming site
C) Cloud service
D) E-commerce platform
Answer: A
Explanation: Twitter allows users to post short updates or “tweets” limited to a certain number of characters.
54. Instagram primarily focuses on____________.
A) Text-based communication
B) Image and video sharing
C) Online gaming
D) Document management
Answer: B
Explanation: Instagram is a social media platform for sharing photos and videos.
55. WhatsApp is an example of____________.
A) Video conferencing service
B) Instant messaging app
C) Cloud storage
D) E-commerce site
Answer: B
Explanation: WhatsApp allows instant text, voice, and video messaging between users.
56. YouTube is primarily used for____________.
A) Social networking
B) Video sharing
C) Cloud storage
D) E-commerce
Answer: B
Explanation: YouTube allows users to upload, share, and watch videos online.
57. Amazon is an example of____________.
A) Social networking platform
B) E-commerce platform
C) Cloud storage service
D) Online search engine
Answer: B
Explanation: Amazon provides an online marketplace for buying and selling products.
58. Flipkart is an online platform for____________.
A) Social networking
B) Video streaming
C) Online shopping
D) Cloud services
Answer: C
Explanation: Flipkart is an Indian e-commerce platform for purchasing goods online.
59. Which of the following is a digital payment service?
A) Gmail
B) PayPal
C) LinkedIn
D) YouTube
Answer: B
Explanation: PayPal allows users to make online payments and money transfers securely.
60. Which of these is a microblogging service?
A) Facebook
B) Twitter
C) Instagram
D) WhatsApp
Answer: B
Explanation: Twitter allows users to post brief text updates (tweets) limited to 280 characters.
61. E-commerce can be classified into____________.
A) B2B, B2C, C2C
B) SaaS, IaaS, PaaS
C) HTTP, HTTPS, FTP
D) DNS, DHCP, IP
Answer: A
Explanation: Business-to-Business (B2B), Business-to-Consumer (B2C), and Consumer-to-Consumer (C2C) are main e-commerce models.
62. In e-commerce, B2C stands for____________.
A) Business to Cloud
B) Business to Customer
C) Business to Company
D) Buyer to Consumer
Answer: B
Explanation: B2C represents online transactions between a business and its customers.
63. Amazon Prime Video is an example of____________.
A) Video streaming service
B) Social media platform
C) Cloud storage
D) Search engine
Answer: A
Explanation: Amazon Prime Video allows online streaming of movies, series, and shows.
64. Netflix primarily provides____________.
A) Online shopping
B) Video-on-demand streaming
C) Social networking
D) Cloud infrastructure
Answer: B
Explanation: Netflix is a subscription-based platform offering movies and TV shows online.
65. UPI stands for____________.
A) Universal Payment Interface
B) Unified Payment Interface
C) United Payment Integration
D) Unified Program Internet
Answer: B
Explanation: UPI enables instant interbank transactions using mobile devices.
66. Paytm is an example of____________.
A) Online wallet and payment service
B) Video streaming platform
C) Social networking site
D) Cloud storage
Answer: A
Explanation: Paytm provides digital payments, mobile recharge, and online shopping options.
67. The main purpose of e-learning platforms is to____________.
A) Provide entertainment
B) Deliver online educational content
C) Sell products
D) Offer cloud storage
Answer: B
Explanation: E-learning platforms like Coursera, Udemy, and Khan Academy provide online courses and tutorials.
68. MOOCs stands for____________.
A) Massive Online Open Courses
B) Mobile Online Open Courses
C) Multiple Online Open Computers
D) Massive Offline Open Courses
Answer: A
Explanation: MOOCs provide free or paid online courses accessible to large audiences.
69. Coursera and Udemy are examples of____________.
A) Cloud storage services
B) E-learning platforms
C) E-commerce platforms
D) Social networking sites
Answer: B
Explanation: Both provide online courses on various subjects for learners worldwide.
70. Google Maps is an example of____________.
A) Cloud storage service
B) Online mapping and navigation service
C) Social networking site
D) E-commerce platform
Answer: B
Explanation: Google Maps provides maps, location services, and navigation assistance online.
71. Online food delivery platforms like Swiggy and Zomato are examples of____________.
A) Cloud computing
B) E-commerce services
C) Social networking
D) Online banking
Answer: B
Explanation: These platforms allow ordering food online and delivering it to customers.
72. Zoom and Google Meet are used for____________.
A) Online payments
B) Video conferencing
C) E-commerce
D) Cloud storage
Answer: B
Explanation: Zoom and Google Meet allow live video communication and online meetings.
73. Gmail is an example of____________.
A) Search engine
B) Email service
C) Social networking site
D) Video streaming platform
Answer: B
Explanation: Gmail allows sending, receiving, and organizing emails online.
74. Cloud gaming services like Google Stadia and Xbox Cloud allow____________.
A) Playing games without installation on local device
B) Only downloading games
C) Only streaming movies
D) Only social networking
Answer: A
Explanation: Cloud gaming streams games from servers to devices, eliminating the need for local installation.
75. Spotify and JioSaavn are examples of____________.
A) Video streaming services
B) Online music streaming services
C) E-commerce platforms
D) Social networking sites
Answer: B
Explanation: Spotify and JioSaavn allow users to stream and listen to music online.
76. Cloud computing platforms provide which of the following?
A) SaaS
B) PaaS
C) IaaS
D) All of the above
Answer: D
Explanation: Cloud platforms offer Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS).
77. SSL/TLS is used for____________.
A) Sending emails
B) Securing web communication
C) File transfer
D) Cloud storage
Answer: B
Explanation: Secure Socket Layer (SSL) and Transport Layer Security (TLS) encrypt web traffic for confidentiality.
78. VPN (Virtual Private Network) is mainly used for____________.
A) Increasing bandwidth
B) Securing Internet connection
C) Speeding up downloads
D) Hosting websites
Answer: B
Explanation: VPN encrypts Internet traffic, providing privacy and secure access to networks.
79. Phishing attacks are designed to____________.
A) Damage hardware
B) Steal sensitive information
C) Improve network speed
D) Encrypt files
Answer: B
Explanation: Phishing tricks users into revealing passwords, credit card details, and other confidential data.
80. Two-factor authentication (2FA) provides____________.
A) Single level of security
B) Additional layer of security
C) Faster Internet
D) Automatic backups
Answer: B
Explanation: 2FA requires a password plus a second factor like OTP or biometric verification.
81. HTTPS uses which type of encryption?
A) Symmetric only
B) Asymmetric only
C) Both symmetric and asymmetric
D) No encryption
Answer: C
Explanation: HTTPS uses asymmetric encryption for key exchange and symmetric encryption for data transmission.
82. IoT stands for____________.
A) Internet of Things
B) Internet of Technology
C) Internal Online Transactions
D) Intelligent Online Tools
Answer: A
Explanation: IoT connects physical devices to the Internet to collect and exchange data.
83. Smart home devices like Google Nest and Alexa are part of____________.
A) Cloud computing
B) IoT
C) E-commerce
D) Online banking
Answer: B
Explanation: Smart home devices use IoT technology for remote control and automation.
84. Blockchain technology is primarily used in____________.
A) Online gaming
B) Cryptocurrencies
C) Cloud storage
D) Email services
Answer: B
Explanation: Blockchain is a decentralized ledger technology used in Bitcoin and other digital currencies.
85. Bitcoin is an example of____________.
A) Traditional currency
B) Cryptocurrency
C) Digital wallet
D) E-commerce platform
Answer: B
Explanation: Bitcoin is a digital currency using blockchain for secure, peer-to-peer transactions.
86. Artificial Intelligence (AI) is mainly used for____________.
A) Automating tasks
B) Enhancing decision-making
C) Predictive analytics
D) All of the above
Answer: D
Explanation: AI technologies help automate, analyze, and predict outcomes in various domains.
87. Machine learning is a subset of____________.
A) Cloud computing
B) Artificial Intelligence
C) Blockchain
D) IoT
Answer: B
Explanation: Machine learning enables computers to learn from data and improve performance over time.
88. Which of the following is an example of cloud-based office productivity suite?
A) Microsoft Office 2019 (installed)
B) Google Workspace
C) Notepad
D) Photoshop
Answer: B
Explanation: Google Workspace provides online apps for email, documents, spreadsheets, and presentations.
89. Edge computing is used to ____________.
A) Process data near the source
B) Store data on cloud servers only
C) Replace IoT devices
D) Encrypt web traffic
Answer: A
Explanation: Edge computing reduces latency by processing data close to IoT devices instead of central servers.
90. 5G Internet primarily offers ____________.
A) Low speed and high latency
B) High speed and low latency
C) Only voice communication
D) Offline services
Answer: B
Explanation: 5G networks provide faster data rates and ultra-low latency for applications like IoT and gaming.
91. Cloud backup services like Backblaze or Carbonite provide ____________.
A) On-premises storage
B) Online data backup
C) Video streaming
D) Social media hosting
Answer: B
Explanation: Cloud backup stores data remotely for recovery in case of loss or disaster.
92. CAPTCHA is used to ____________.
A) Encrypt messages
B) Prevent automated bot access
C) Compress files
D) Monitor bandwidth
Answer: B
Explanation: CAPTCHA ensures that online forms are submitted by humans, not bots.
93. DNSSEC enhances DNS by providing ____________.
A) Faster lookups
B) Security against DNS attacks
C) Encryption of emails
D) Cloud storage
Answer: B
Explanation: DNSSEC adds digital signatures to DNS responses to prevent spoofing and cache poisoning.
94. IPv6 provides how many bits for addressing?
A) 32 bits
B) 64 bits
C) 128 bits
D) 256 bits
Answer: C
Explanation: IPv6 uses 128-bit addresses, vastly expanding the number of available IP addresses.
95. Which protocol is used to securely transfer files over the Internet?
A) FTP
B) SFTP
C) HTTP
D) SMTP
Answer: B
Explanation: Secure FTP (SFTP) uses SSH to encrypt file transfers.
96. Cloud gaming allows users to ____________.
A) Play games without powerful hardware
B) Only watch gameplay videos
C) Download games offline
D) Only play on mobile
Answer: A
Explanation: Games run on cloud servers and are streamed to user devices.
97. In cloud computing, multi-tenancy means ____________.
A) One user per server
B) Multiple users share the same resources securely
C) Users can rent servers physically
D) Servers are offline
Answer: B
Explanation: Multi-tenancy allows efficient resource utilization by sharing cloud infrastructure among users.
98. Public cloud is ____________.
A) Owned and operated by a third party, open to all
B) Private network cloud
C) On-premises server
D) Only for government use
Answer: A
Explanation: Public cloud services like AWS and Google Cloud are available to general users.
99. Hybrid cloud combines ____________.
A) Only private cloud
B) Only public cloud
C) Both private and public cloud
D) Offline storage
Answer: C
Explanation: Hybrid cloud leverages benefits of both private and public cloud environments.
100. The term “Internet of Everything” (IoE) refers to ____________.
A) Connecting people only
B) Connecting people, data, devices, and processes
C) Only cloud computing
D) Only social media networks
Answer: B
Explanation: IoE extends IoT to include humans, data, and processes for smarter networks and decision-making.