What is the purpose of a network Subnet Mask configuration parameter? MCQ with Answer and Explanation
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Question #1
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Which type of network environment covers a corporate office spanning multiple high-rise buildings across an entire urban district or metropolitan area?
Correct Answer: Option A
Explanation:
A Metropolitan Area Network (MAN) is optimized to connect computing resources across city-wide or regional municipal scopes.
A Metropolitan Area Network (MAN) is optimized to connect computing resources across city-wide or regional municipal scopes.
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Computer Networking
Question #2
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What layer of the OSI model does an intelligent network switch use to read hardware MAC addresses and make data forwarding choices?
Correct Answer: Option B
Explanation:
Switches operate at the Data Link Layer (Layer 2), using hardware MAC addresses to forward data frames across local network segments.
Switches operate at the Data Link Layer (Layer 2), using hardware MAC addresses to forward data frames across local network segments.
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Computer
Computer Networking
Question #3
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Which technology translates public external IP addresses to private internal IP addresses, allowing multiple LAN gadgets to share one public web connection?
Correct Answer: Option A
Explanation:
NAT enables a router to map private, non-routable internal LAN addresses to a singular public-facing IP, conserving global IPv4 pools.
NAT enables a router to map private, non-routable internal LAN addresses to a singular public-facing IP, conserving global IPv4 pools.
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Computer
Computer Networking
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