Which mechanism acts as the primary tool to translate internal private LAN IP configurations into public internet-facing addresses? MCQ with Answer and Explanation

Question
Which mechanism acts as the primary tool to translate internal private LAN IP configurations into public internet-facing addresses?
A. DHCP Allocation
B. Network Address Translation (NAT)
C. Domain Name mapping
D. Address Resolution Protocol
Answer: Option B
Solution (By JKSSB Mock Tests)
NAT maps private IP addresses to a public IP address, allowing multiple internal LAN devices to access the internet via a single public connection.
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Practice More Computer Networking Questions

Question #1
Which protocol is used to retrieve email from a server?
A. HTTP
B. FTP
C. SMTP
D. POP3
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Correct Answer: Option D

Explanation:
POP3 (Post Office Protocol) is used to download email from a server to a client.
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Question #2
What is the main function of a router's routing protocol?
A. To resolve MAC addresses
B. To assign IP addresses
C. To exchange routing information with other routers
D. To filter traffic
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Correct Answer: Option C

Explanation:
Routing protocols (e.g., OSPF, BGP) allow routers to share information about network paths.
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Question #3
Which address space is specifically allocated globally for network diagnostics, mapping to the 'localhost' designation inside client operating software configurations?
A. 255.255.255.255
B. 192.168.1.254
C. 127.0.0.1
D. 10.0.0.1
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Correct Answer: Option C

Explanation:
The 127.0.0.1 loopback address routes packets back internally within the local device's TCP/IP stack to support software testing.
This question belongs to: Computer Computer Networking
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