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Cisco QoS Exam Certification Guide: MQC, QPM, and AutoQoS

  • Sample Chapter is provided courtesy of Cisco Press.
  • Date: Dec 23, 2004.

Chapter Description

This chapter focuses on Modular QoS CLI, QoS Policy Manager, and AutoQoS with an eye toward passing the Cisco QoS Exam.

"Do I Know This Already?" Quiz Questions

The purpose of the "Do I Know This Already?" quiz is to help you decide whether you need to read the entire chapter. If you already intend to read the entire chapter, you do not necessarily need to answer these questions now.

The 12-question quiz, derived from the major sections in the "Foundation Topics" portion of the chapter, helps you determine how to spend your limited study time.

Table 3-1 outlines the major topics discussed in this chapter and the "Do I Know This Already?" quiz questions that correspond to those topics.

Table 3-1 "Do I Know This Already?" Foundation Topics Section-to-Question Mapping

Foundation Topics Section Covering These Questions



Cisco Modular QoS CLI



Cisco QoS Policy Manager



Cisco AutoQoS Feature



Comparisons of CLI, MQC, and AutoQoS



Total Score




The goal of self-assessment is to gauge your mastery of the topics in this chapter. If you do not know the answer to a question or are only partially sure of the answer, mark this question wrong for purposes of the self-assessment. Giving yourself credit for an answer you correctly guess skews your self-assessment results and might provide you with a false sense of security.

You can find the answers to the "Do I Know This Already?" quiz in Appendix A, "Answers to the 'Do I Know This Already?' Quizzes and Q&A Sections." The suggested choices for your next step are as follows:

  • 10 or less overall score—Read the entire chapter. This includes the "Foundation Topics," the "Foundation Summary," and the "Q&A" sections.

  • 11 or 12 overall score—If you want more review on these topics, skip to the "Foundation Summary" section and then go to the "Q&A" section. Otherwise, move to the next chapter.

Cisco Modular QoS CLI

  1. What does MQC stand for?

    1. Multiprotocol QoS Commands

    2. Multiprotocol QoS CLI

    3. Modular QoS Commands

    4. Modular QoS CLI

    5. Modular QoS Convention

  2. Which of the following MQC commands is most related to the process of classifying packets into service classes?

    1. service-policy

    2. route-map

    3. map-policy

    4. policy-map

    5. map-class

    6. class-map

  3. Which of the following is not a benefit of MQC?

    1. Reduces configuration time

    2. Provides Modular QoS Call-Admission-Control

    3. Same set of commands on all Cisco IOS platforms

    4. Separates classification from per-hop behavior (PHB) actions

  4. Which of the following is not true about the mechanics of MQC?

    1. Packets are classified inside a class map.

    2. PHBs are defined inside a service policy.

    3. Matching multiple DSCPs requires multiple match commands.

    4. One command is used to enable a QoS policy on an interface for packets both entering and exiting an interface.

  5. Examine the configuration snippet that follows. Which of the following statements is true about the configuration?

    Router(config)#class-map fred
    Router(config-cmap)#match dscp EF
    Router(config-cmap)#match access-group 101
    1. Packets with DSCP EF and that also match ACL 101 will match the class.

    2. Packets that either have DSCP EF or that match ACL 101 will match the class.

    3. Packets that match ACL 101 will match the class because the second match command replaces the first.

    4. Packets will match only DSCP EF because the first match exits the class map.

The Cisco QoS Policy Manager

  1. Which of the following is false about QPM?

    1. Provides a standard set of commands for configuring QoS

    2. Allows a user to specify QoS policies without knowing the MQC command syntax

    3. Graphs QoS performance

    4. Takes advantage of Cisco QoS MIBs

The Cisco AutoQoS Feature

  1. Which option on a 2950 switch auto qos voip command tells the switch to trust the CoS only if a Cisco IP Phone is attached to the port?

    1. trust cos

    2. ciscophone

    3. cisco-phone

    4. ciscoipphone

  2. Which option on a 6500 switch set port qos command tells the switch to trust the CoS only if a Cisco IP Phone is attached to the port?

    1. trust cos

    2. ciscophone

    3. cisco-phone

    4. ciscoipphone

  3. Which of the following PHBs cannot be enabled using the AutoQoS VoIP feature on a router?

    1. Low Latency Queuing

    2. CB Marking

    3. Shaping

    4. MLP LFI

    5. Policing

  4. Which router commands display the configuration that results from enabling AutoQoS VoIP on a router's S0/0 interface, including the details of any class maps or policy maps?

    1. show autoqos

    2. show auto qos

    3. show auto qos interface s0/0

    4. show running-config

  5. Which of the following statements are true about requirements before AutoQoS can be enabled on a router interface?

    1. CEF must be enabled unless trust is to be configured.

    2. No service-policy commands can be on the interfaces.

    3. WFQ must be disabled using the no fair-queue command.

    4. HDLC encapsulation must be changed to PPP.

    5. For proper operation, bandwidth should be set to the correct value.

Comparisons of CLI, MQC, and AutoQoS

  1. Comparing CLI, MQC, and AutoQoS, which is considered to require the least amount of time to implement?

    1. CLI

    2. MQC

    3. AutoQoS

    4. All take equal time

3. Foundation Topics | Next Section Previous Section

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