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維護思科電信運營商服務質量考試要點
保持思科電信運營商服務質量(MSPQS)是與CCNP SP運營認證相關的考試。它主要檢驗考生在運用QoS機制支持電信運營商網絡環境方面的知識，包括如何采用Cisco IOS和IOS XR操作系統對這些環境進行監控、部署和故障排除。此外，它還可評估考生在基于從SP IP NGN 環境中收集到的QoS 統計數據管理性能和容量方面的能力。考生可以通過學習“MSPQS保持思科電信運營商服務質量”課程來準備該考試。
Exam Description
The 642-785 Maintaining Cisco Service Provider Quality of Service (MSPQS) exam is the exam associated with the CCNP SP Operations certification. This 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. Candidates can prepare for this exam by taking the MSPQS Maintaining Cisco Service Provider Quality of Service course.
Exam Topics
The following information provides general guidelines for the content likely to be included on the exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the exam and for clarity purposes the guidelines below may change at any time without notice.
Describe QoS fundamentals
Describe fundamental QoS technology
Describe QoS traffic classifications
Describe MQC in IOS and IOS XR
Configure and interpret Cisco IOS Software legacy QoS mechanisms
Describe QOS for MPLS VPNS for end-to-end service
Describe the IOS QoS mechanisms
Explain QoS issues which are unique to service providers
Describe QoS issues resulting from implementing of oversubscription
Manage performance and capacity based on QoS statistics in an IP NGN network operating center (NOC) environment
Use industry standard network management to monitor and diagnose QoS
Issue standard CLI commands in Cisco IOS and Cisco IOS XR Software for monitoring QoS operations
Use IP SLA to monitor traffic performance and diagnose QoS
Use Netflow to monitor traffic performance
Analyze statistics based on traffic classes and patterns
Given a QoS policy ticket that accurately defines an issue, describe the adverse effects that might result from a fix
Given a QoS policy change that has created an adverse effect, provide a potential solution
Troubleshoot QoS in an IP NOC environment
Describe the state of QoS on the router or interfaces using statistical data gathered from MIBs and from various IOS commands
Describe the effects on the network traffic based on given IOS QoS configurations
Perform and interpret packet capture to address a customer issue
Given a particular customer complaint, describe the actual QoS problem
Given a QoS problem, produce a recommended policy change and change order to fix the problem
Recognize typical QoS issues for different provider edge-customer edge (PE-CE) connection types
Recognize typical end-to-end QoS MPLS VPN issues
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