1. A routers load-balancing process is determined by ____

A) the router

B) any of these

C) an SDN application

D) the SDN controller

2. In a PSDN, customers connect to the network core at____

A) DSLAMs

B) NAPs

C)POPs

D) public/private access points

3.VoIP _____ uses the Internet Protocol for transmission.

A) never

B) usually

C) seldom

D) always