Which subnet mask should you use on point-to-point links to avoid wasting IP addresses?

Posted by: Pdfprep Category: 200-310 Tags: , ,

Which subnet mask should you use on point-to-point links to avoid wasting IP addresses?
A . 255.255.255.252
B . 255.255.255.250
C . 255.255.255.0
D . 255.255.255.248

Answer: A

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