Computer Networking
Which of the following best illustrates the default subnet mask for a class A,B, and C Network?

None of these
255.0.0.0, 255.255.0.0, 255.255.255.0
255.255.255.0, 255.255.0.0, 255.0.0.0
0.0.0.0, 0.0.0.1, 0.0.1.1
255.255.0.0, 255.255.255.0, 255.255.255.255

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Computer Networking
You have created a named access list called Blocksales. Which of the following is a valid command for applying this to packets trying to enter interface s0 of your router?

(config)# ip access-group 110 in
(config-if)# blocksales ip access-list in
(config-if)# ip access-group 110 in
(config-if)# ip access-group Blocksales in

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