Which address is used by an operating system to send a packet to all host devices residing on the local subnet simultaneously? MCQ with Answer and Explanation

Which address is used by an operating system to send a packet to all host devices residing on the local subnet simultaneously?
A. MAC Identifier
B. Loopback Address
C. Gateway Address
D. Broadcast Address
Answer: Option D
Solution (By JKSSB Mock Tests)
The broadcast address (such as 255.255.255.255 publicly or the last address of a subnet) allows data to target all nodes on that network block.

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Practice More Computer Networking Questions

Question #1
In a network configured with a hierarchical Tree Topology, what happens if the primary central root device fails completely?
A. Isolated sub-branches can still communicate locally, but communication across separate branches is broken.
B. All data lines transition to half-duplex speed profiles.
C. The network switches to full-mesh configuration automatically.
D. The entire connected network structure collapses and communications stop.

Correct Answer: Option A


Explanation:
In a tree topology, a root failure isolates separate sub-star branches from each other, though individual branches may still function

This question belongs to: Computer Computer Networking
Question #2
Which device functions exclusively at the physical layer of the OSI model to amplify or regenerate weak electrical or optical network signals over extended distances?
A. Repeater
B. Gateway
C. Bridge
D. Router

Correct Answer: Option A


Explanation:
A repeater acts at Layer 1 to boost incoming electrical or optical signals, counteracting signal attenuation across long cable runs.

This question belongs to: Computer Computer Networking
Question #3
What type of network classification links computing nodes across an entire national state, global country, or international continent footprint?
A. WAN
B. MAN
C. PAN
D. LAN

Correct Answer: Option A


Explanation:
A Wide Area Network (WAN) connects separate networks across broad geographic regions, such as countries or continents.

This question belongs to: Computer Computer Networking