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?

255,255.248.0
255.255.252.0
255.255.240.0
255.255.224.0
255.255.192.0

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Computer Networking
The MAC (Media Access Control) address of the network card is used in both Ethernet and Token-Ring networks and is essential for communication. What does MAC provide?

A physical address that is randomly assigned each time the computer is started
A logical address that identifies the workstation
An alias for the computer name
A physical address that is assigned by the manufacturer
The logical domain address for the workstation

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