This is used to prevent a STP Portfast to receive any BPDU message to modify the Spanning Tree topology.

An administrator needs to diagnose problems with a WINS server. Which of the following tools should be used?

A. nslookup B. nbtstat C. dig D. netstat

When you await a Task, if that Task has already completed, execution simply continues. Otherwise, control returns to ________ until the result of the Task is available. Once the Task completes, the async method continues execution.

a) the async method b) the await clause c) the async method’s caller d) the await method’s caller