You are configuring your Nokia 7750SR Service Router from the Command Line Interface (CLI), and after entering a lengthy command, wish to return directly to the ROOT context. Which control command allows you to do this quickly?
Answer : A
Which of the following best describes a repeater?
Answer : B
How do protocols such as ATM and Frame-Relay support differentiating multiple customers or traffic types on the same physical wire?
Answer : A
Which of the following is a feature of Layer 3?
Answer : A