Study tips 642-437

Which three Cisco IOS commands are required to configure

How does LLQ ensure that voice traffic is always expedited?

Which QoS mechanism for VoIP works with weighted fair queuing (WFQ) and class-based weighted fair queuing (CBWFQ)?

Which analog port configuration will support these requirements?

What is the function of class-based marking?

Which three methods are used by a Cisco Unified Border Element to provide network hiding?

which file type describes the contents of the firmware image?

When configuring AutoQoS VoIP on a Cisco Catalyst switch how is the configuration performed?

what is the default number of Watts consumed by each port if 802.3af compliant devices are attached to the switch?

what is the impact on the audio at the receivers IP phone?