CCNA - ACLs and NAT Configuration

By Riley Santos · Updated May 25, 2026

Questions19
Passing Score75%
Format68% Multiple Choice
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Catalog listing of the 5 preview questions for this quiz.

Question 1

In Cisco NAT terminology, the **inside local** address is the [[blank1]] IP address of the internal host before translation.

Question 2

**True or False:** PAT (Port Address Translation) allows multiple internal hosts to share a single public IP address by using unique port numbers to track connections.

Answer choices

  • A. True

  • B. False

Question 3

An ACL is applied to an interface with the command `ip access-group 101 in`. What does the keyword **"in"** specify?

Answer choices

  • A. Traffic exiting the interface toward the network

  • B. Traffic entering the interface from the network

  • C. Traffic entering the router's management plane

  • D. Traffic going into the routing table

Question 4

**NAT64** is primarily used to solve which networking problem?

Answer choices

  • A. Translating private RFC 1918 addresses to public addresses

  • B. Allowing IPv6-only hosts to communicate with IPv4-only servers

  • C. Encrypting traffic between NAT boundaries

  • D. Extending the range of standard ACLs to 32-bit prefixes

Question 5

Which wildcard mask correctly matches the subnet **10.10.0.0 /22**?

Answer choices

  • A. 0.0.3.255

  • B. 0.0.255.255

  • C. 255.255.252.0

  • D. 0.0.0.255