icnd1:nat
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icnd1:nat [2024/03/14 07:55] 114.119.158.167 old revision restored (2023/09/28 21:47) |
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| ===== Chapter Questions ===== | ===== Chapter Questions ===== | ||
| - | ==== One ==== | + | Examine the following show command output on a router configured for dynamic NAT: |
| - | **Examine the following show command output on a router configured for dynamic NAT:** | + | |
| < | < | ||
| -- Inside Source | -- Inside Source | ||
| Line 64: | Line 63: | ||
| type generic, total addresses 7, allocated 7 (100%), misses 965 | type generic, total addresses 7, allocated 7 (100%), misses 965 | ||
| + | Users are complaining about not being able to reach the Internet. Which of the following is the most likely cause? | ||
| </ | </ | ||
| - | **Users are complaining about not being able to reach the Internet. Which of the following is the most likely cause?** | ||
| - | * '' | + | The NAT pool does not have enough entries to satisfy all requests. |
| - | * The problem is not related to NAT, based on the information in the command output. | + | |
| - | * The command output does not supply enough information to identify the problem. | + | |
| - | * Standard ACL 1 cannot be used; an extended ACL must be used. | + | |
| - | You answered this question correctly. × | + | |
| - | **Explanation: | + | The problem is not related to NAT, based on the information |
| - | The last line mentions that the pool has seven addresses, with all seven allocated, with the misses counter close to 1000 - meaning that close to 1000 new flows were rejected because of insufficient space in the NAT pool. | + | |
| - | ==== Two ==== | + | |
| - | **Which of the following summarized subnets represent routes that could have been created for CIDR’s goal to reduce the size of Internet routing tables?** | + | |
| - | + | The command output does not supply enough information to identify the problem. | |
| - | * 200.1.1.0 255.255.255.0 | + | |
| - | * '' | + | |
| - | * 10.1.0.0 255.255.0.0 | + | |
| - | * 10.0.0.0 255.255.255.0 | + | |
| - | You answered this question correctly. × | + | |
| - | **Explanation: | + | Standard ACL 1 cannot be used; an extended ACL must be used. |
| - | CIDR’s original intent was to allow the summarization of multiple Class A, B, and C networks to reduce the size of Internet routing tables. Of the answers, only 200.1.0.0 255.255.0.0 summarizes multiple networks. | + | |
| - | + | ||
| - | ==== Three ==== | + | |
| - | **With static NAT, performing translation for inside addresses only, what causes NAT table entries to be created? | + | |
| - | + | ||
| - | * '' | + | |
| - | * The first packet from the inside network to the outside network | + | |
| - | * Configuration using the ip nat outside source command | + | |
| - | * The first packet from the outside network to the inside network | + | |
| You answered this question correctly. × | You answered this question correctly. × | ||
| - | **Explanation: | + | Explanation: |
| - | **With static NAT, the entries are statically configured. Because the question mentions translation for inside | + | The last line mentions that the pool has seven addresses, |
icnd1/nat.txt · Last modified: 2024/06/02 13:17 by 3.15.149.94
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