Author Question: ISDN ________ is the out-of-band signaling channel used to connect a digital switch to a PBX. ... (Read 89 times)

cartlidgeashley · **on:** Jul 28, 2018

ISDN ________ is the out-of-band signaling channel used to connect a digital switch to a PBX.

Fill in the blank(s) with correct word

Question 2

A high number of retransmissions on a link carrying UDP/IP

A) Packets are being lost between devices
B) Could point to a congested link.
C) Could indicate circuit problems.
D) All of the above.
E) None of the above.