Network Management Quiz: Layers, Errors, Protocols, and Analysis
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Questions and Answers

What are the main components of a network that are mentioned in the text?

  • Layers, addresses, and time-to-live
  • Protocols, users, and applications
  • Routers, servers, and applications (correct)
  • Routers, servers, and users

Where do the majority of network errors occur?

  • In the transport layer
  • In the physical layer
  • In the application layer
  • In the first three layers (correct)

What is the definition of workload characterization provided in the text?

  • The amount of work assigned to a client, workgroup, server, or internetwork in a given time period
  • The science that observes, identifies and explains the phenomena of work
  • The simplification of understanding how a client, workgroup, server, or internetwork is being used
  • All of the above (correct)

What are the three things that should be considered when determining server workload characterization according to the text?

<p>Server type, workload characterization, and isolating components that restrict data flow (A)</p> Signup and view all the answers

What is the primary purpose of workload characterization according to the text?

<p>To simplify understanding of how a network is being used (D)</p> Signup and view all the answers

What specific network component problems are mentioned in the text?

<p>Duplicate addresses, host/station/network unreachable, and Time-To-Live (TTL) exceeded (A)</p> Signup and view all the answers

What is the main characteristic of a frame that has a bad FCS?

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

How does a frame with a bad FCS error differ from the original transmission?

<p>Checksum does not match the sender's checksum (A)</p> Signup and view all the answers

What causes long frames in a network?

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

What is classified as energy detected on the cable that appears to be a frame but lacks a valid SFD?

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

How do ghosts impact the network?

<p>Decrease network speed (C)</p> Signup and view all the answers

What is the minimum length requirement for a frame to be classified as a ghost?

<p>72 bytes (B)</p> Signup and view all the answers

What is a common issue with server memory modules?

<p>Using modules with different speeds (D)</p> Signup and view all the answers

Which of the following is NOT a key concern for file and print servers?

<p>Network bandwidth utilization (D)</p> Signup and view all the answers

What is the recommended order of focus for troubleshooting web server performance issues?

<p>Memory &gt; Network &gt; Processor &gt; Disk (B)</p> Signup and view all the answers

What is a common issue with network adapters on servers?

<p>Not loading the appropriate firmware version (D)</p> Signup and view all the answers

Which of the following is NOT mentioned as a potential web server performance optimization technique?

<p>Upgrading the processor (A)</p> Signup and view all the answers

Which of the following is a common issue when using dual network adapters on servers?

<p>Not following restrictions on supported combinations (C)</p> Signup and view all the answers

What is the primary purpose of paging?

<p>To move individual pages of a process to disk to reclaim memory (C)</p> Signup and view all the answers

Which of the following is a common memory measurement?

<p>Available Memory (A)</p> Signup and view all the answers

What does the '% Processor Time' metric measure?

<p>The percentage of time the processor is executing any code (B)</p> Signup and view all the answers

Which of the following is a common network card measurement?

<p>Bytes Received/sec (B)</p> Signup and view all the answers

What is the purpose of swapping?

<p>To move an entire process to disk to reclaim memory (A)</p> Signup and view all the answers

Which of the following metrics is related to network card measurements?

<p>% Broadcasts (C)</p> Signup and view all the answers

What does average utilization mean in the context provided?

<p>The calculated level over longer time during which a certain percentage of LAN's capacity is used for transmitting data. (C)</p> Signup and view all the answers

What is current utilization based on the provided information?

<p>The moving average calculated over a small time period. (A)</p> Signup and view all the answers

What does the 'weighting factor' or 'decay factor' represent in the presented text?

<p>The value used to adjust the influence of past samples compared to new samples in averaging. (A)</p> Signup and view all the answers

What is 'newaverage' in the context of utilization monitoring?

<p>The value we are trying to compute in calculations. (B)</p> Signup and view all the answers

Which of the following documents should be referred to understand bits per second according to the information provided?

<p>PDF document: Understanding_the_bits_per_second.pdf (3 pages) (B)</p> Signup and view all the answers

What is being averaged when determining 'average utilization'?

<p>Bits-per-second (B)</p> Signup and view all the answers

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