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

To create collision domains
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 prevent switching loops in networks with redundant switched paths

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Computer Networking
You have the following routing table. Which of the following networks will not be placed in the neighbor routing table?R 192.168.30.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0C 192.168.40.0/24 is directly connected, Serial0 172.16.0.0/24 is subnetted, 1 subnetsC 172.16.30.0 is directly connected, Loopback0R 192.168.20.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0R 10.0.0.0/8 [120/15] via 192.168.40.1, 00:00:07, Serial0C 192.168.50.0/24 is directly connected, Ethernet0

192.168.30.0
All of them will be placed in the neighbor routing table
172.16.30.0
10.0.0.0

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Computer Networking
You copy a configuration from a network host to a router's RAM. The configuration looks correct, yet it is not working at all. What could the problem be?

You copied the wrong configuration into RAM.
The IOS became corrupted after the copy command was initiated.
The copy did not override the shutdown command in running-config.
You copied the configuration into flash memory instead.

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