Computer Networking
The most important part of a multiple DHCP configurations is to make sure you don't have which of the following in the different scopes? Select the best answer.

Duplicate addresses
None of these
Duplicate default gateways
Duplicate subnets
Duplicate pools

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Computer Networking
You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be?

The configuration register setting is incorrect.
You didn
NVRAM is corrupted.
The newly upgraded IOS is not compatible with the hardware of the router.

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Computer Networking
You want to create a standard access list that denies the subnet of the following host: 172.16.144.17/21. Which of the following would you start your list with?

access-list 10 deny 172.16.48.0 255.255.240.0
access-list 10 deny 172.16.64.0 0.0.31.255
access-list 10 deny 172.16.136.0 0.0.15.255
access-list 10 deny 172.16.144.0 0.0.7.255

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