User Tools

Site Tools


icnd1:nat

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
icnd1:nat [2024/03/14 08:02]
114.119.145.194 old revision restored (2023/09/23 16:56)
icnd1:nat [2024/04/27 08:10] (current)
52.211.143.139 old revision restored (2023/11/01 22:20)
Line 53: Line 53:
 ===== Chapter Questions ===== ===== Chapter Questions =====
 ==== One ==== ==== 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:
 <code> <code>
 -- Inside Source -- Inside Source
Line 64: Line 64:
  
     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?
 </code> </code>
-**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 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 NATbased on the information in the command output.
-The last line mentions that the pool has seven addresseswith 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 +
-  * ''**200.1.0.0 255.255.0.0**'' +
-  * 10.1.0.0 255.255.0.0 +
-  * 10.0.0.0 255.255.255.0 +
-You answered this question correctly. ×+
  
-**Explanation:** +Standard ACL 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?** +
- +
-  * ''**Configuration using the ip nat inside source command**'' +
-  * 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 addresses, the inside keyword is needed in the command.+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.
icnd1/nat.1710403359.txt.gz · Last modified: 2024/03/14 08:02 by 114.119.145.194