CompTIA Exam Questions

Which of the following could cause this problem?

In a newly installed LAN, the network administrator receives many calls about intermittent or slow
connectivity to the authentication server. Which of the following could cause this problem? (Select
TWO).

A.
VLAN configuration error

B.
Cables too short

C.
Cable crosstalk

D.
Incorrect channel

E.
EMI

F.
Wrong subnet mask