Computer Networking
You are working with a class C network. You are required to configure it for five subnets, each of which will support 25 nodes. What subnet should you use?

255.255.255.252
255.255.255.248
255.255.255.224
255.255.255.240
255.255.255.0

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

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Computer Networking
What command is used to stop RIP routing updates from exiting out an interface but still allow the interface to receive RIP route updates?

Router (config-router) # no routing updates
Router (config-if) # passive-interface
Router (config-router) # passive-interface s0
Router (config-if) # no routing

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