Network Address Translation Questions and Answers

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Q41
Which NAT implementation is common in firewalls for hiding internal servers?
  • A SNAT
  • B DNAT
  • C PAT
  • D BIDIR NAT
Answer: Option A
Explanation: SNAT masks source IP of internal hosts.
Q42
Which NAT term refers to translating both source and destination addresses?
  • A Complete NAT
  • B Two-way NAT
  • C Bidirectional NAT
  • D Double NAT
Answer: Option C
Explanation: BIDIR NAT allows inbound and outbound translation.
Q43
What is the major drawback of NAT in IPv6 networks?
  • A Routing loops
  • B NAT is not recommended for IPv6, breaks end-to-end model
  • C IPv6 has fewer addresses
  • D Packets become slower
Answer: Option B
Explanation: IPv6 avoids NAT because global addressing removes the need.
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