Q21. What is the primary purpose of the FTP protocol?
a) To transfer files between computers
b) To manage email communication
c) To provide secure web access
d) To translate domain names into IP addresses
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Correct Answer: a) To transfer files between computers
Explanation: FTP (File Transfer Protocol) is used for transferring files between computers over a network.
Q22. The term “subnet mask” is associated with which internet protocol?
a) IPv4
b) IPv6
c) HTTP
d) FTP
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Correct Answer: a) IPv4
Explanation: In IPv4, a subnet mask is used to divide an IP address into network and host portions, helping in routing and managing IP addresses within a network.
Q23. What is the function of a DHCP server?
a) To provide IP addresses to devices on a network
b) To transfer files between devices
c) To manage domain name resolution
d) To encrypt network traffic
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Correct Answer: a) To provide IP addresses to devices on a network
Explanation: A DHCP (Dynamic Host Configuration Protocol) server automatically assigns IP addresses to devices on a network, simplifying the process of network configuration.
Q24. Which protocol is used to ensure reliable data transmission over a network?
a) TCP
b) UDP
c) IP
d) ICMP
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Correct Answer: a) TCP
Explanation: TCP (Transmission Control Protocol) is used to ensure reliable data transmission by establishing a connection and verifying the delivery of data packets.
Q25. Which of the following is a characteristic of IPv6?
a) Limited address space
b) Uses hexadecimal notation
c) Does not support multicast
d) Uses 32-bit addresses
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Correct Answer: b) Uses hexadecimal notation
Explanation: IPv6 addresses are expressed in hexadecimal notation and use 128-bit addresses, providing a much larger address space compared to IPv4.
Q26. Which of the following is a common web browser feature?
a) File Transfer Protocol
b) Email management
c) Tabbed browsing
d) Network routing
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Correct Answer: c) Tabbed browsing
Explanation: Tabbed browsing is a feature of modern web browsers that allows users to open multiple web pages in a single window using tabs.
Q27. What does a hyperlink do?
a) Provides internet security
b) Connects web pages and documents
c) Translates domain names to IP addresses
d) Manages email servers
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Correct Answer: b) Connects web pages and documents
Explanation: A hyperlink is a reference or link that connects one web page or document to another, enabling easy navigation between related content.
Q28. Which of the following is NOT an application of the Internet?
a) Email
b) Information gathering
c) Retailing
d) Offline gaming
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Correct Answer: d) Offline gaming
Explanation: Offline gaming does not require an internet connection, whereas email, information gathering, and retailing are internet-based applications.
Q29. What is the main purpose of a search engine?
a) To send emails
b) To browse web pages
c) To index and retrieve information from the web
d) To manage network traffic
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Correct Answer: c) To index and retrieve information from the web
Explanation: Search engines index web content and retrieve relevant information based on user queries, facilitating the discovery of web resources.
Q30. What is the purpose of an e-mail client?
a) To transfer files over the internet
b) To manage and read emails
c) To connect to a network
d) To encrypt data transmissions
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Correct Answer: b) To manage and read emails
Explanation: An e-mail client is software used to manage, send, and read emails, offering features like inbox organization and email composition.