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Questions and Answers
Which FCAPS function is responsible for measuring what has been consumed by whom and at what time?
Which FCAPS function is responsible for measuring what has been consumed by whom and at what time?
What is the primary goal of short-term network management?
What is the primary goal of short-term network management?
Which of the following is NOT a function of security management?
Which of the following is NOT a function of security management?
What is the primary focus of medium-term network management?
What is the primary focus of medium-term network management?
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Which FCAPS function is responsible for detecting performance trends for planning?
Which FCAPS function is responsible for detecting performance trends for planning?
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What is the primary goal of long-term network management?
What is the primary goal of long-term network management?
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Which of the following is a function of accounting management?
Which of the following is a function of accounting management?
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What is the primary focus of security management?
What is the primary focus of security management?
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Which FCAPS function is responsible for monitoring performance and service levels?
Which FCAPS function is responsible for monitoring performance and service levels?
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What is the primary goal of accounting management?
What is the primary goal of accounting management?
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Study Notes
Management Interoperability
- Requires agreed-upon rules for interactions
- Standard management interfaces and protocols are necessary
Communication Viewpoint
- Implemented by messages exchanged between managers and agents
- Connectivity (e.g. IP) is a prerequisite but not sufficient
- Involves a management protocol as the "common language" between manager and agent
- Establishing a management session requires:
- Underlying transport
- Authentication
- Identifying requests and parameters
- Recognizing responses
- Encoding messages (e.g. XML, UTF-8)
- Handling time stamps and response timeouts
Function Viewpoint
- Describes services a manager can expect from an agent
- Basic services:
- Retrieving information
- Modifying configurations
- Initiating actions
- Receiving events
- Advanced services:
- Transaction support
- Event subscription
- Search and filter
- Advanced functions are implemented through multiple management primitives
Information Viewpoint
- Context of network management requires a common terminology between manager and agent
- Model: actual representation of data to be managed (e.g. router, switch, voicemail application)
- Meta model: modeling constructs that describe managed systems (e.g. object-oriented, data-oriented, command-oriented)
- Standards specify the meta model
- Model of managed objects (MOs) of an agent is provided by the vendor
The Role of Standards
- Standardize management messages, encoding, functions, parameters, and return codes
- Standardize management information (typically, meta-models)
Accounting Management
- Account for usage of communication resources and services
- Metering: measure consumed resources
- Charging: have users pay for consumed resources
Performance Management
- Monitor performance and service levels
- Detect performance trends for planning
Security Management
- Manage security mechanisms in the network
NM Functions in Time Horizon
- Short-term management: real-time, automated, network monitoring, and fault detection
- Medium-term management: human interaction, service provisioning, fault elimination, and performance reporting
- Long-term management: human-driven, enhance management workflows, future planning, and strategies
Management Organization & Process
- Nontechnical dimension of network management
- Includes organizing management, process, and organization
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Description
This quiz assesses understanding of network management interoperability, including management applications, standard interfaces, and protocols. It covers aspects of management interoperability and communication viewpoints.
