What are two disadvantages of NAT? (Choose two.)
- Uses too many legally registered addresses.
- Decreases the number of connections that can be used to the public network.
- Network device performance.
- End-to-end traceability is lost.
- Increased network costs.
- Increased provider costs.
Explanation: The device doing the NAT must track network conversations. If there are quite a few network conversations occurring, the device doing the translations might have performance issues. Disadvantages of NAT include the following.
- Hosts on the Internet appear to communicate directly with the NATenabled device instead of the actual host.
- NAT affects time-sensitive packets such as VoIP.
- End-to-end addressing is lost.
- End-to-end traceability is lost.
- Tunneling protocols such as IPsec are negatively affected.
Exam with this question: CCNA 2 v5 Chapter 11: Check Your Understanding Questions Answers
Please login or Register to submit your answer