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思科電信運營商核心網絡運營基礎考試大綱
思科電信運營商核心網絡運營基礎(OFCN)考試是與CCNP SP運營認證相關的考試。該考試主要檢驗考生在電信運營商網絡運營環境方面的知識，重點關注與第二層和第三層網絡運營有關的中-高級流程管理、NMS工具和故障排除技能。
Exam Description
The 642-770 Operational Foundations for Cisco Service Provider Core Networks (OFCN) exam is the exam associated with the CCNP SP Operations certification. This exam tests a candidate's knowledge of the SP network operations environment, focusing on mid to upper-level processes management, NMS tools, and troubleshooting skills associated with Tier II and Tier III Network Operations. Candidates can prepare for this exam by taking the OFCN Operational Foundations for Cisco Service Provider Core Networks 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.
Perform operations tasks in an IP NOC environment
Describe release, configuration, change, incident and performance management processes, as related to network operations
Perform periodic reactive trouble ticket reviews
Open vendor tickets and escalate as appropriate based on Service Level Agreements
Resolve escalated incidents or problems by creating RFCs or implementing workarounds
Document steps that should be taken to resolve particular network problems
Define proactive problem management and root cause analysis tools and methods
Plan, coordinate, and support network upgrades and changes
Identify the methods used to perform proactive network maintenance
Interpret performance and incident reports and recommend actions for problem avoidance
Troubleshoot an IP NOC environment
Describe network troubleshooting methodologies
Identify information needed to troubleshoot problems
Identify and categorize network incidents based on the OSI model
Troubleshoot complex core network faults
Troubleshoot transport layer and network access technologies to the aggregation edge
Isolate problems using standard TCP/IP IPv4 and IPv6 tools
Identify the most probable cause of a problem based on troubleshooting test output
Troubleshoot network service issues and its interoperability with OSS platforms within the core network
Use protocol analysis and packet decode tools to diagnose and troubleshoot network issues
Interpret XML messages and protocol without the use of NMS
Operate network equipment in an IP NOC environment using Cisco IOS XR
Describe differences between Cisco IOS and Cisco IOS XR Software
Identify standard XR CLI commands
Identify Cisco IOS XR software architecture and features
Interpret and deploy basic XR configurations
Describe process of downloading and installing new software and Software Maintenance Upgrades (SMU) for Cisco IOS XR Software
Manage network configurations in an IP NOC environment
Identify global configuration templates
Ensure that device configurations comply with global configuration templates
Create device specific configuration templates
Interpret and edit scripts that support process automation
Identify daily preventative maintenance tasks for network operations
Manage the change process an IP NOC environment using Change Management procedures
Identify the planning elements of a core network RFC
Identify and update logical and physical documentation impacted by change management RFCs
Review and approve network related changes to the network
Identify network improvement opportunities from periodic change metrics
Identify RFC MOP elements that support a managed network change
Identify methods used to perform Cisco IOS and Cisco IOS XR software and hardware upgrades, downgrades, or replacements
Implement planned Cisco IOS and Cisco IOS XR software and hardware configuration changes to a core network
Verify implementation of Cisco IOS and Cisco IOS XR software and hardware changes
Identify impacts of network changes to related processes and systems
Manage IP network performance in core and aggregation components in an IP NOC environment
Identify network faults and capacity planning utilizing performance data
Identify network capacity and performance using key performance indicator (KPI) data
Identify key performance indicators at the network, device and service levels
Identify baselining and its value in capacity and performance management
Identify improvement opportunities and issues in traffic patterns and thresholds using alarms and network data
Determine appropriate actions to resolve performance or capacity issues
Identify causes of threshold crossing alerts
Identify methods and tools used to predict network capacity issues
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