642-785 MSPQS Maintaining Cisco Service Provider Quality of Service (MSPQS)

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Product Description

Exam Number/Code: 642-785

Exam Name: Maintaining Cisco Service Provider Quality of Service (MSPQS)

Questions and Answers: 62 Q&As

Version: PDF

Sample: 642-785 MSPQS Free Online Test

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Product Description

642-785 MSPQS exam has been retired.

Exam Number 642-785 MSPQS
Associated Certifications CCNP Service Provider Operations
Duration 75 minutes (60 – 70 questions)
Available Languages English
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The 642-785 Maintaining Cisco Service Provider Quality of Service (MSPQS) exam is the exam associated with the CCNP SP Operations certification. This 642-785 MSPQS exam tests a candidate’s knowledge of QoS mechanisms to support Service Provider networking environments, including how they are monitored, implemented, and troubleshot using both Cisco IOS and IOS XR operating systems. Furthermore, it assesses a candidate’s ability to manage performance and capacity based on QoS statistics gathered from a SP IP NGN environment.


20% 1.0 Describe QoS fundamentals call processing redundancy

1.1 Describe fundamental QoS technology
1.2 Describe QoS traffic classifications
1.3 Describe MQC in IOS and IOS XR operation
1.4 Configure and interpret Cisco IOS Software legacy QoS mechanisms
1.5 Describe QOS for MPLS VPNS for end-to-end service
1.6 Describe the IOS QoS mechanisms
1.7 Explain QoS issues which are unique to service providers
1.8 Describe QoS issues resulting from implementing of oversubscription

40% 2.0 Manage performance and capacity based on QoS statistics in an IP NGN network operating center (NOC) environment

2.1 Use industry standard network management to monitor and diagnose QoS
2.2 Issue standard CLI commands in Cisco IOS and Cisco IOS XR Software for monitoring QoS operations
2.3 Use IP SLA to monitor traffic performance and diagnose QoS
2.4 Use Netflow to monitor traffic performance
2.5 Analyze statistics based on traffic classes and patterns
2.6 Given a QoS policy ticket that accurately defines an issue, describe the adverse effects that might result from a fix

40% 3.0 Troubleshoot QoS in an IP NOC environment

3.1 Describe the state of QoS on the router or interfaces using statistical data gathered from MIBs and from various IOS commands
3.2 Describe the effects on the network traffic based on given IOS QoS configurations
3.3 Perform and interpret packet capture to address a customer issue
3.4 Given a particular customer complaint, describe the actual QoS problem
3.5 Given a QoS problem, produce a recommended policy change and change order to fix the problem
3.6 Recognize typical QoS issues for different provider edge-customer edge (PE-CE) connection types
3.7 Recognize typical end-to-end QoS MPLS VPN issues



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