What notation standard is used to write and display modern 128-bit IPv6 address configurations readably? MCQ with Answer and Explanation

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What notation standard is used to write and display modern 128-bit IPv6 address configurations readably?

A. Dotted decimal fields

B. Binary bitstream flags

C. Base-64 character strings

D. Eight groups of four hexadecimal digits separated by colons

Answer: Option D

Solution (By JKSSB Mock Tests)

IPv6 addresses are formatted as eight groups of four hexadecimal digits separated by colons (e.g., 2001:0db8:0000:0000:0000:ff00:0042:8329).

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Question #1

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Which type of network spans across multiple office locations in different cities or states, typically requiring leased telecommunication lines?

A. PAN

B. WAN

C. MAN

D. LAN

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Correct Answer: Option B

Explanation:
A Wide Area Network (WAN) connects separate business branches across regional, national, or global boundaries.

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Question #2

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Which of the following is a key operational drawback of using a basic hardware hub instead of a network switch?

A. Hubs alter the physical MAC addresses of packets.

B. Hubs cannot interface with Ethernet cabling.

C. Hubs require manual IP allocation steps.

D. Hubs broadcast all incoming traffic to every connected port, which reduces available bandwidth and increases data collision risks.

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Correct Answer: Option D

Explanation:
Because a hub lacks forwarding logic, it repeats incoming data to all ports, creating a single shared collision domain that reduces performance.

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Question #3

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What is the maximum number of hosts per network in a Class C IP address?

A. 65534

B. 126

C. 16,777,214

D. 254

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Correct Answer: Option D

Explanation:
Class C provides 8 bits for hosts (2^8 - 2 = 254 usable hosts).

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