Which of the following are disadvantages of using NAT? Translation introduces switching path delays. Conserves legally registered addresses. Causes loss of end-to-end IP traceability. Increases flexibility when connecting to the Internet. Certain applications will not function with NAT enabled. Reduces address overlap occurrence.

• A. 1, 3 and 5
• B. 3 and 4
• C. 2, 4 and 5
• D. 1 and 3