Computer Networking
What is the purpose of Spanning Tree Protocol in a switched LAN?

To prevent switching loops in networks with redundant switched paths
To provide a mechanism for network monitoring in switched environments
To manage the VLAN database across multiple switches
To prevent routing loops in networks with redundant paths
To create collision domains

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

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