Network Management Quiz

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Questions and Answers

What is the primary responsibility of a network administrator?

  • Manage user accounts and access permissions.
  • Design and implement network infrastructure.
  • Develop network security protocols.
  • Ensure the network is operational and functioning correctly. (correct)

What are the five key components of a network management architecture?

  • Router, switch, firewall, intrusion detection system, and network monitoring tools.
  • Network manager, managed devices, MIBs, agents, and communication protocol. (correct)
  • Hub, bridge, switch, router, and gateway.
  • Physical layer, data link layer, network layer, transport layer, and application layer.

What does MIB stand for in the context of network management?

  • Media Independent Block.
  • Management Information Base (correct)
  • Management Interface Block
  • Multicast Information Block

What type of communication protocol is typically used between a network manager and managed devices?

<p>SNMP (D)</p> Signup and view all the answers

Which of the following is NOT a reason why network administrators need tools to manage a network?

<p>To provide detailed analysis of individual user activities. (B)</p> Signup and view all the answers

What is a network operations center (NOC)?

<p>A physical location where network administrators work to monitor and manage the network. (C)</p> Signup and view all the answers

What is the role of a remote agent in network management?

<p>To collect information about the network and report it to the network manager. (D)</p> Signup and view all the answers

Which of the following is NOT discussed in the context of network management in this excerpt?

<p>VPN technologies (C)</p> Signup and view all the answers

What is the main purpose of monitoring for SLAs?

<p>To track network performance against predefined agreements (B)</p> Signup and view all the answers

Why is it important for a network administrator to detect route flapping?

<p>To prevent network outages and ensure system stability (C)</p> Signup and view all the answers

What is the primary function of performance management in network administration?

<p>To monitor and control the performance of network components (C)</p> Signup and view all the answers

How can a network administrator detect a potential network security threat?

<p>By analyzing network traffic patterns for unusual activity. (B)</p> Signup and view all the answers

When would a network administrator want to be notified about high congestion levels on a network link?

<p>When the link's bandwidth usage exceeds a predetermined threshold. (D)</p> Signup and view all the answers

What kind of network management area would focus on quantifying the performance of individual network devices?

<p>Performance management (D)</p> Signup and view all the answers

What is the primary benefit of monitoring for traffic originating from or destined to suspicious sources?

<p>To identify and block malicious activity (B)</p> Signup and view all the answers

Which of the following is NOT a performance metric typically included in an SLA?

<p>Security (B)</p> Signup and view all the answers

What is the primary goal of Fault Management in network management?

<p>To detect, log, and respond to failures and issues within the network. (A)</p> Signup and view all the answers

Which of the following is NOT typically considered a core component of network management?

<p>Data Backup and Recovery (B)</p> Signup and view all the answers

How does the SNMP protocol contribute to Fault Management?

<p>By enabling centralized logging and reporting of network errors and failures. (B)</p> Signup and view all the answers

What differentiates Fault Management from Performance Management?

<p>Fault Management deals with immediate network failures, while Performance Management focuses on long-term network performance optimization. (B)</p> Signup and view all the answers

Which of the following is an example of a component used in Security Management?

<p>Network Intrusion Detection Systems (B)</p> Signup and view all the answers

What is the primary function of Configuration Management within network management?

<p>To ensure network devices are properly configured and updated. (C)</p> Signup and view all the answers

What does Accounting Management involve in network administration?

<p>Managing user accounts and assigning access privileges. (A)</p> Signup and view all the answers

Which of the following is NOT directly addressed in the provided content about network management?

<p>Advanced network security techniques for preventing data breaches. (B)</p> Signup and view all the answers

What is the primary function of a managing entity in network management?

<p>To collect data from managed devices and analyze potential problems. (A)</p> Signup and view all the answers

What serves as the counterpart to a branch office manager in a network management architecture?

<p>The agent (B)</p> Signup and view all the answers

According to the passage, what is a key similarity between human organizational management and network management?

<p>Both involve the collection and analysis of data to identify potential problems. (D)</p> Signup and view all the answers

What is the primary role of the network management protocol in this context?

<p>To define the structure and format of data exchanged between managing entities and managed devices. (D)</p> Signup and view all the answers

How does the analogy of a branch office manager's motivation to advance their career relate to network management?

<p>Agents may be motivated by performance metrics to provide accurate data to the managing entity. (A)</p> Signup and view all the answers

What is the primary benefit of using a network management system?

<p>To increase the efficiency and reliability of network operations. (A)</p> Signup and view all the answers

What is the key difference between unsollicited reports from branch office managers and standard reports?

<p>Standard reports are typically generated on a predetermined schedule. (C)</p> Signup and view all the answers

What does the term 'executive order' represent in this context?

<p>A set of instructions communicated from the managing entity to a managed device. (D)</p> Signup and view all the answers

Which of the following is NOT considered a managed device in the context of network management?

<p>A network management agent (B)</p> Signup and view all the answers

What is the primary purpose of a network management agent within a managed device?

<p>To execute commands and manage configuration settings under the instruction of the managing entity (B)</p> Signup and view all the answers

Which of the following best describes the relationship between a managing entity and a managed device?

<p>A hierarchical relationship where the managing entity controls and manages the managed device (D)</p> Signup and view all the answers

In the analogy presented, what component is represented as the 'branch office' in a network management system?

<p>The managed device (B)</p> Signup and view all the answers

Which of the following is NOT a key element typically found within a managed device?

<p>A network management protocol (C)</p> Signup and view all the answers

What is the primary purpose of the management information base (MIB) within a managed device?

<p>To provide a structured database for collecting and storing information about the managed objects within the device (B)</p> Signup and view all the answers

Based on the information provided, which of the following would be considered managed objects?

<p>Network interface cards, routing protocols, and software configuration parameters (A)</p> Signup and view all the answers

A human network administrator primarily interacts with which component of the network management system?

<p>The managing entity (C)</p> Signup and view all the answers

Which of the following is NOT a key component of a network management architecture as described in the text?

<p>Network security protocol (A)</p> Signup and view all the answers

The text explains that SNMP emerged as a widely used network management framework. Which of the following is a primary reason for SNMP's popularity?

<p>SNMP's independence from specific network technologies. (B)</p> Signup and view all the answers

What is the primary role of agents in the network management architecture described in the text?

<p>Agents manage the communication between the managing entity and the managed devices. (D)</p> Signup and view all the answers

The text uses the analogy of a typical organizational structure to illustrate the concept of network management. In this analogy, what is the equivalent of the 'managing entity' in a real-world organization?

<p>A company's CEO or senior management (B)</p> Signup and view all the answers

What is the primary function of the 'management information base' (MIB) mentioned in the text?

<p>To define and store information about the status and capabilities of managed devices (A)</p> Signup and view all the answers

Which of the following best describes the function of a network management protocol?

<p>To serve as a tool for the network administrator to monitor and control the network. (B)</p> Signup and view all the answers

The text mentions the emergence of network management standards in the late 1980s. Which of the following is NOT mentioned as a prominent network management standard in the text?

<p>Internet Control Message Protocol (ICMP) (D)</p> Signup and view all the answers

The text emphasizes a specific distinction regarding the role of the network management protocol. What is this distinction?

<p>The protocol itself does not manage the network; it provides tools for the network administrator. (A)</p> Signup and view all the answers

Flashcards

Network Management

The practice of monitoring and controlling network components and resources.

Network Manager

The individual responsible for overseeing and maintaining the network operation.

Managed Remote Devices

Devices within the network that can be monitored and controlled by the network manager.

Management Information Base (MIB)

A database used for managing the elements in a network.

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Remote Agents

Software components that report device information to the network manager.

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SNMP Protocol

Simple Network Management Protocol used for network management tasks.

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Packet Filtering

A firewall technique that blocks or allows packets based on predetermined security rules.

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Application-Level Gateways

Firewalls that manage access to services at the application layer.

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Congestion notification

Alerts when network congestion exceeds a set threshold.

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Route flapping

Frequent changes in routing tables indicating instability or misconfiguration.

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Service Level Agreements (SLA)

Contracts defining performance metrics for network providers.

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Performance metrics

Specific measures such as uptime, latency, and throughput in SLAs.

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Intrusion detection

Monitoring network traffic for suspicious activities or sources.

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Traffic filtering

Detecting and blocking specific unwanted network traffic types.

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Performance management

Quantifying and controlling network component performance.

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Network management model

Structured framework for organizing network management scenarios.

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Fault Management

The process of logging, detecting, and responding to network faults.

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Simple Network Management Protocol (SNMP)

A protocol standard for managing devices on IP networks.

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Configuration Management

Tracking devices and their configurations in a network.

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Accounting Management

Specifying and controlling user access to network resources.

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Security Management

Controlling access to network resources based on policies.

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Network Operations Center (NOC)

A center where network administration and monitoring occurs.

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Proactive Anomaly Detection

Techniques to identify unusual patterns in network behavior.

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Managing Entity

The individual or system that oversees and controls network components.

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Managed Device

A device within the network that is monitored and controlled by the managing entity.

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Network Management Protocol

The rules and methods used for communicating between the managing entity and managed devices.

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Branch Office Reports

Quantitative measures of activity, productivity, and budget received from managed devices.

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Communication Protocols

Standards used for transmitting data and reports between network components.

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Problem Identification

The process of recognizing issues within managed devices based on reports.

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Executive Order

A directive issued by the managing entity to resolve problems within managed devices.

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Sifting Through Reports

The act of analyzing received data to evaluate performance and issues.

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Managed Objects

Specific hardware components or configurations within a managed device.

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Network Management Agent

A process in managed devices facilitating communication with the managing entity.

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Data Communication

The exchange of information between the managing entity and managed devices.

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Control Actions

Initiatives taken by the managing entity to influence network behavior.

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Managing Agent

Software that resides on managed devices to report status and events back to the managing entity.

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Exceptional Events

Unusual occurrences like component failures that agents report to the managing entity.

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SNMP

Simple Network Management Protocol, widely used for managing devices in networks.

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Network Management Standards

Established protocols and guidelines for effective network management.

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Study Notes

Network Management

  • Network management entails tools for monitoring, testing, configuring, analyzing, evaluating, and controlling network operations.
  • Key components of a network management architecture include: a network manager, managed remote devices, management information bases (MIBs), remote agents (reporting and acting per manager's instructions), and a protocol for communication.
  • Internet Network Management Framework and SNMP protocol are detailed components of network management.
  • ASN.1 is a structured way to define data types used in network management.
  • The network administrator's job is to maintain network functionality and operation.
  • Network malfunctions (cable cuts, device failures) frequently occur and must be addressed by the network administrator.
  • Monitoring, managing, and controlling large networks requires appropriate tools.

Network Management Scenarios

  • Real-world examples like control rooms monitoring power plant components or airplane cockpits illustrate the importance of monitoring, management, and control within complex systems.
  • Administrators in these contexts react to problems and proactively manage the system's performance.

Network Management Tools

  • Network management tools are critical in identifying and resolving network issues, especially within large, distributed networks.
  • Tools enable proactive problem identification (like failing interfaces) before issues affect users.
  • Tools allow monitoring of network traffic for potential problems.
  • Tools assist in managing large networks, enabling administrators to react quickly to changing conditions.

Network Management Components

  • Managing entities—in charge of the overall network state—reside in a central location, often a Network Operations Center (NOC).
  • A managed device is any piece of network hardware in use.
  • A network management agent runs on or within a managed device. 
  • The agent helps communicate with the managing entity and complete local management tasks.
  • A network management protocol acts as the communication channel between the managing entity and the managed devices.

Key Network Management Protocols

  • Simple Network Management Protocol (SNMP) is frequently used for collecting and organizing information about managed devices and to alter their behavior on an IP network. Key parts/components of SNMP include managed devices, agents and network management systems (NMSs).

Network Management Information

  • Understanding network configuration details (processor type, size of hard drive, and RAM) is crucial for management.
  • Administrators use network management software for a detailed view of hardware and software, and to manage resources.
  • Management Information Bases (MIBs) hold information about the managed devices in a network, describing how to manage them.
  • The managing entity uses data from monitoring systems and from managed devices to diagnose and resolve network issues.

Key Considerations In Network Design

  • It is important to plan before implementing a network.
  • Pre-emptive planning will be crucial in identifying/mitigating potential issues.
  • Purpose and scope of the network need clarification before any implementation begins.
  • Use of a dedicated server is important for complex or significant needs, rather than a peer-to-peer model.
  • The choice of a dedicated server needs to be suitable to the network's needs.
  • There are many types of servers that can be used, for example file servers, print servers, web servers, and mail servers.

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