Which mechanism enables an internet router to modify packet headers, allowing thousands of private internal LAN hosts to navigate the web through a single public IP address? MCQ with Answer and Explanation
Which mechanism enables an internet router to modify packet headers, allowing thousands of private internal LAN hosts to navigate the web through a single public IP address?
A. DHCP lease management
B. Network Address Translation (NAT)
C. Domain Name mapping
D. Address Resolution lookup
Answer: Option B
Solution (By JKSSB Mock Tests)
NAT converts private internal IP addresses to a public IP address, conserving IPv4 space and adding an extra layer of internal security.
Which network topology layout maps every device sequentially along a single continuous cable path, resembling a closed circular loop with no open endpoints?
Explanation:
A ring topology connects devices in a continuous loop, where each station receives and repeats data frames until they reach their destination.
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