Which of the following WAN technologies will Mark use to connect the offices?

Mark works as a Network Administrator for NetTech Inc. He wants to connect the company’s
headquarter and its regional offices using a WAN technology. For this, he uses packet-switched
connection. Which of the following WAN technologies will Mark use to connect the offices? Each
correct answer represents a complete solution. Choose two.

Mark works as a Network Administrator for NetTech Inc. He wants to connect the company’s
headquarter and its regional offices using a WAN technology. For this, he uses packet-switched
connection. Which of the following WAN technologies will Mark use to connect the offices? Each
correct answer represents a complete solution. Choose two.

A.
ISDN

B.
X.25

C.
Frame Relay

D.
Leased line



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