Q21. How does a search engine index websites?
a) By manually reviewing each website
b) By crawling and indexing web pages automatically
c) By purchasing website data from ISPs
d) By requesting user input on each website
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Correct Answer: b) By crawling and indexing web pages automatically
Explanation: Search engines use automated programs known as crawlers to visit and index web pages, which helps in retrieving and displaying search results.
Q22. What does HTTP stand for?
a) Hypertext Transfer Protocol
b) Hyperlink Text Protocol
c) High Transfer Text Protocol
d) Hypertext Transaction Protocol
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Correct Answer: a) Hypertext Transfer Protocol
Explanation: HTTP stands for Hypertext Transfer Protocol, which is used for transferring data over the web.
Q23. What is the role of a domain name in a URL?
a) To specify the exact location of a web page
b) To provide an IP address for the website
c) To identify the website’s hosting server
d) To make it easier for users to remember web addresses
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Correct Answer: d) To make it easier for users to remember web addresses
Explanation: A domain name provides a human-readable address for a website, simplifying the process of locating it compared to using an IP address.
Q24. What is the primary function of the ‘Print’ option in a web browser?
a) To print the content of the web page
b) To save the web page as a PDF file
c) To send the web page to a network printer
d) To download the web page for offline use
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Correct Answer: a) To print the content of the web page
Explanation: The ‘Print’ option allows users to print a hard copy of the content displayed on the web page.
Q25. What is the purpose of a web browser cache?
a) To store frequently accessed web page data for faster retrieval
b) To encrypt web page data for security
c) To manage network traffic
d) To provide user authentication
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Correct Answer: a) To store frequently accessed web page data for faster retrieval
Explanation: A web browser cache stores copies of frequently accessed web page data to speed up loading times and reduce the need to re-download content.
Q26. Which of the following is a common file format for web images?
a) JPG
b) DOC
c) XLS
d) MP3
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Correct Answer: a) JPG
Explanation: JPG (JPEG) is a common file format used for compressing and displaying images on the web.
Q27. What does the term ‘bandwidth’ refer to in networking?
a) The maximum amount of data that can be transmitted over a network in a given time
b) The distance between two network nodes
c) The physical medium used for data transmission
d) The number of network devices connected to a network
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Correct Answer: a) The maximum amount of data that can be transmitted over a network in a given time
Explanation: Bandwidth measures the maximum rate at which data can be transferred over a network, affecting the speed and performance of network connections.
Q28. Which protocol is used to send email messages?
a) SMTP
b) FTP
c) HTTP
d) SNMP
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Correct Answer: a) SMTP
Explanation: SMTP (Simple Mail Transfer Protocol) is used for sending email messages from a client to a server and between servers.
Q29. What is the main purpose of a hyperlink in a web page?
a) To link to another web page or resource
b) To format text in the web page
c) To secure the web page with encryption
d) To create a table of contents
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Correct Answer: a) To link to another web page or resource
Explanation: A hyperlink allows users to navigate from one web page to another or to different sections within the same page.
Q30. What does the term ‘download’ refer to in Internet usage?
a) Transferring data from the Internet to a local device
b) Uploading data to the Internet from a local device
c) Securing data on a web server
d) Encrypting data for transmission
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Correct Answer: a) Transferring data from the Internet to a local device
Explanation: Downloading involves transferring files or data from the Internet to a local device, such as a computer or smartphone.