Network Documentation and Fault Management
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Questions and Answers

What primary purpose do maps serve in hardware documentation?

  • To provide warranty information for hardware
  • To track hardware and its connection to the network (correct)
  • To list all software installed on the network
  • To document user accounts and their privileges
  • Which of the following is a key component of hardware specifications?

  • Network usage statistics
  • User access levels
  • Operating system version
  • Serial number (correct)
  • What is the main focus of fault management in network management?

  • Tracking software installs and licenses
  • Documenting user accounts and privileges
  • Handling the operation of individual hardware components (correct)
  • Determining the physical layout of the network
  • What does a proactive fault management system primarily do?

    <p>Prevents faults from occurring</p> Signup and view all the answers

    Which of the following is NOT typically included in software documentation?

    <p>Hardware compatibility</p> Signup and view all the answers

    What is the first action taken by a reactive fault management system upon detecting a fault?

    <p>Isolate the fault</p> Signup and view all the answers

    What generally happens when a fault occurs in a network system?

    <p>The system stops working properly or creates excessive errors</p> Signup and view all the answers

    What type of documentation is essential for ensuring adequate record-keeping of user access privileges?

    <p>User account management files</p> Signup and view all the answers

    What is the effect of exceeding a LAN's designed capacity with too many connected stations?

    <p>Decreased data rate and possible blocking</p> Signup and view all the answers

    How is internal traffic on a network measured?

    <p>By the number of packets or bytes within the network</p> Signup and view all the answers

    What does performance management monitor in relation to throughput?

    <p>The throughput of individual devices and network parts</p> Signup and view all the answers

    Which of the following factors does NOT affect response time?

    <p>Network security protocols</p> Signup and view all the answers

    What is the primary function of security management in a network?

    <p>To control access based on predefined policy</p> Signup and view all the answers

    What does accounting management help to prevent on a network?

    <p>Users from monopolizing network resources</p> Signup and view all the answers

    What is one reason organizations implement an accounting management system?

    <p>To allocate charges for network services</p> Signup and view all the answers

    What is indicated by an increase in average response time on a network?

    <p>The network is functioning above its capacity</p> Signup and view all the answers

    What do MIB indexes primarily utilize to define their structure?

    <p>Values of specific fields</p> Signup and view all the answers

    How is the udpTable indexed according to the content?

    <p>By both the local address and local port number</p> Signup and view all the answers

    Which of the following best describes lexicographic ordering in MIB?

    <p>Column by column, top to bottom</p> Signup and view all the answers

    In accessing a specific instance of the table, what must be added to the identifier?

    <p>The index based on field values</p> Signup and view all the answers

    What is the characteristic of the indexes in MIB compared to other programming languages?

    <p>They are not strictly integers</p> Signup and view all the answers

    What represents the unique identifier for a given row in the udpTable?

    <p>The combination of multiple field values</p> Signup and view all the answers

    What is the primary method for accessing a local address in udpTable?

    <p>Querying by index and value</p> Signup and view all the answers

    What denotes the shape of the udpTable's organization?

    <p>Row-column ordering</p> Signup and view all the answers

    What happens to the indexing of tables in MIB when multiple fields are used?

    <p>It allows for more unique entries</p> Signup and view all the answers

    What is a common limitation for tables indexed in MIB different from traditional programming languages?

    <p>Indexes are not based on sequential integers</p> Signup and view all the answers

    What function does the lexicographic ordering serve in the context of Simple Network Management Protocol (SNMP)?

    <p>It enables sequential access to a set of variables.</p> Signup and view all the answers

    In the SNMP context, what does the GetNextRequest command primarily facilitate?

    <p>It accesses the next variable in a sequence.</p> Signup and view all the answers

    Which of the following is NOT a component in the lexicographic ordering example provided?

    <p>255.255.255.0</p> Signup and view all the answers

    What aspect of SNMP does the section describe in relation to its operational mechanism?

    <p>Variable accessing methodology.</p> Signup and view all the answers

    What is implied by the variable identifier structure seen in the examples (e.g., 1.3.6.1.2.1.7.5.1)?

    <p>It denotes a unique identifier for managed objects.</p> Signup and view all the answers

    Which IP address is associated with the last variable in the provided lexicographical order?

    <p>230.20.5.24</p> Signup and view all the answers

    In SNMP, the first variable is accessed before the others. What term describes this access method?

    <p>Sequential access</p> Signup and view all the answers

    What numerical value follows the first variable for the IP 192.13.5.10 in the example?

    <p>161</p> Signup and view all the answers

    How does the lexicographic ordering affect the efficiency of variable access in SNMP?

    <p>It increases the speed of variable retrieval.</p> Signup and view all the answers

    What is the significance of the number 1 in the structure '1.3.6.1.2.1.7.5.1'?

    <p>It indicates the root management tree.</p> Signup and view all the answers

    What protocol is responsible for creating a message to request the number of UDP user datagrams received?

    <p>SNMP</p> Signup and view all the answers

    What is the primary role of the Structure of Management Information (SMI)?

    <p>To name objects and define data types</p> Signup and view all the answers

    What attribute does SMI emphasize when handling an object?

    <p>Name</p> Signup and view all the answers

    Which identifier format does SMI use to name objects globally?

    <p>Hierarchical object identifier</p> Signup and view all the answers

    What does the SNMP message called GetRequest specifically encapsulate?

    <p>Encoded message of the object's request</p> Signup and view all the answers

    What integer value represents the number of UDP user datagrams received by the agent?

    <p>udpInDatagram</p> Signup and view all the answers

    Which of the following is NOT a function of SMI?

    <p>To create network protocols</p> Signup and view all the answers

    What does each managed object in SMI require in terms of naming?

    <p>A unique name</p> Signup and view all the answers

    Study Notes

    Hardware Documentation

    • Network hardware documentation includes two sets of documents: maps and specifications.
    • Maps show the logical and physical relationships between hardware components and the network.
    • Maps should follow standardization for easy understanding.
    • Hardware specifications provide information like hardware type, serial number, vendor details, purchase date, and warranty information.

    Software Documentation

    • All software related to the network should be documented.
    • Software documentation includes details like type, version, installation date, and license agreement.
    • Operating systems often have utilities to document user accounts and their privileges.
    • It’s critical to ensure these files are updated and secure.
    • Some systems may record access privileges separately for each file and each user.

    Fault Management

    • Fault management deals with issues related to the proper operation of network components.
    • An effective fault management system consists of two subsystems: reactive and proactive fault management.

    Reactive Fault Management

    • Detects, isolates, corrects, and records faults.
    • Provides short-term solutions to network failures.
    • Locates faults by identifying abnormal conditions, system malfunctions, or excessive errors.

    Performance Management

    • Ensures network capacity isn’t exceeded.
    • Moniters performance metrics like throughput, response time, and traffic to maintain optimal network functionality.

    Traffic Management

    • Measures internal traffic (packets or bytes within the network) and external traffic (exchanges outside the network).
    • Addresses potential blocking during peak hours due to excessive traffic.

    Throughput

    • Measures the data rate of individual devices or network segments.
    • Performance management monitors throughput to prevent unacceptable performance degradation.

    Response Time

    • Measures the time taken for a user request to be fulfilled.
    • Monitors average and peak-hour response times to identify potential overload situations.
    • Increases in response time signal network capacity issues.

    Security Management

    • Controls network access based on predefined policies.

    Accounting Management

    • Controls users’ access to network resources through charging mechanisms.
    • Used for budgeting purposes and to prevent monopolization of resources.

    SNMP (Simple Network Management Protocol)

    • Agent stations (SNMP servers) process messages from management stations (SNMP clients) to manage network devices.
    • The Management Information Base (MIB) stores and manages data about network devices and their configurations.
    • The Structure of Management Information (SMI) defines data types and encoding methods for MIB objects.

    Object Identification and Naming

    • Each managed object has a unique name, using a hierarchical object identifier based on a tree structure.
    • Different data types can be stored in an object.
    • Data is encoded for transmission across the network.

    Lexicographic Ordering

    • Object identifiers (including instance identifiers) are arranged in lexicographic order for efficient management.
    • Tables are ordered column by column, with rows within a column ordered from top to bottom.
    • This ordering allows managers to access a set of variables sequentially.

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    Description

    This quiz covers essential concepts in network documentation, including hardware and software documentation. It also addresses fault management systems crucial for maintaining network operations. Understanding these components is vital for effective network management.

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