Wireless technologies like Bluetooth or Zigbee, which connect personal gadgets within a short range around an individual, form which network category? MCQ with Answer and Explanation

Question

Wireless technologies like Bluetooth or Zigbee, which connect personal gadgets within a short range around an individual, form which network category?

A. WAN

B. PAN

C. LAN

D. MAN

Answer: Option B

Solution (By JKSSB Mock Tests)

A Personal Area Network (PAN) centers around an individual's workspace, typically covering a range of less than 10 meters.

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What is the function of a router's ARP table?

A. Stores DHCP leases

B. Stores routing information

C. Stores DNS records

D. Stores mappings between IP addresses and MAC addresses

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Correct Answer: Option D

Explanation:
The ARP table on a router caches IP-to-MAC mappings for local devices.

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Question #2

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What specialized technology enables data networks to handle both voice calls and standard data traffic over a single unified IP infrastructure?

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C. NAT

D. VoIP (Voice over IP)

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Correct Answer: Option D

Explanation:
VoIP converts analog voice audio into digital packets, allowing phone calls to travel over standard IP networks.

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Question #3

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Which of the following is a connectionless protocol at the transport layer?

A. IGMP

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D. ICMP

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Correct Answer: Option C

Explanation:
UDP is connectionless; it sends datagrams without establishing a connection.

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