Computer Networking
You are working with a network that has the network ID 172.16.0.0, and you require 25 subnets for your company and an additional 30 for the company that will merge with you within a month. Each network will contain approximately 600 nodes. What subnet mask should you assign?

255.255.252.0
255.255.240.0
255,255.248.0
255.255.224.0
255.255.192.0

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

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

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