Which of the following parameters uniquely represents an accurate distinction of IPv6 over older IPv4 addressing standards? MCQ with Answer and Explanation

Question
Which of the following parameters uniquely represents an accurate distinction of IPv6 over older IPv4 addressing standards?
A. IPv6 utilizes 32-bit addresses; IPv4 utilizes 64-bit addresses.
B. IPv6 utilizes 128-bit addresses, drastically expanding the available address space.
C. IPv6 cannot translate alphabetical domain name mappings.
D. IPv6 is restricted strictly to wireless hardware channels.
Answer: Option B
Solution (By JKSSB Mock Tests)
IPv6 addresses are 128 bits long (represented in hexadecimal), resolving the address exhaustion issue of IPv4, which uses 32-bit addresses.
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Question #1
What mechanism does a browser use to verify the cryptographic identity and authenticity of an HTTPS website during an initial connection handshake?
A. It evaluates the site's digital SSL/TLS Certificate issued by a trusted Certificate Authority (CA).
B. It reviews local text browser history traces.
C. It queries standard local email mailboxes via POP3 paths.
D. It alters network configurations via DHCP scripts.
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Correct Answer: Option A

Explanation:
Browsers verify a website's authenticity by checking its digital certificate, which must be cryptographically signed by a recognized, trusted Certificate Authority (CA).
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Question #2
Which of the following is a web browser developed by the Mozilla Foundation?
A. Thunderbird
B. Seamonkey
C. All of the above
D. Firefox
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Correct Answer: Option D

Explanation:
Firefox is a web browser by Mozilla; Thunderbird is an email client, and SeaMonkey is an internet suite.
This question belongs to: Computer Internet and Web Technologies
Question #3
What is the role of a search engine crawler (spider)?
A. To encrypt web traffic
B. To display search results
C. To index web pages by following links
D. To rank web pages
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Correct Answer: Option C

Explanation:
A crawler, also known as a spider or bot, systematically browses the web to discover and index web pages by following hyperlinks.
This question belongs to: Computer Internet and Web Technologies
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