What new address standard was designed to replace IPv4, utilizing 128-bit addresses to eliminate global address exhaustion issues completely? MCQ with Answer and Explanation

Question

What new address standard was designed to replace IPv4, utilizing 128-bit addresses to eliminate global address exhaustion issues completely?

A. IPv6

B. IPv5

C. IPv8

D. IPX/SPX

Answer: Option A

Solution (By JKSSB Mock Tests)

IPv6 addresses are 128 bits long, written as hexadecimal strings separated by colons, offering a vast array of unique addresses.

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At which layer of the OSI model does a hub operate?

A. Network layer

B. Data link layer

C. Application layer

D. Physical layer

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Correct Answer: Option D

Explanation:
A hub is a physical layer device that simply repeats signals to all ports without any intelligence.

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Question #2

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What is the network address for a network with IP 192.168.1.150 and subnet mask 255.255.255.0?

A. 192.168.1.150

B. 192.168.0.0

C. 192.168.1.0

D. 192.168.1.255

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Correct Answer: Option C

Explanation:
With a /24 mask, the network address is obtained by ANDing the IP with mask, resulting in 192.168.1.0.

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Question #3

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Which protocol is used to resolve an IP address to a MAC address?

A. DNS

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Correct Answer: Option B

Explanation:
ARP (Address Resolution Protocol) maps IP addresses to MAC addresses.

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