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

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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?

Server type, workload characterization, and isolating components that restrict data flow Signup and view all the answers

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

To simplify understanding of how a network is being used Signup and view all the answers

What specific network component problems are mentioned in the text?

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

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

Incorrect size Signup and view all the answers

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

Checksum does not match the sender's checksum Signup and view all the answers

What causes long frames in a network?

Noise 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?

Ghost Signup and view all the answers

How do ghosts impact the network?

Decrease network speed Signup and view all the answers

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

72 bytes Signup and view all the answers

What is a common issue with server memory modules?

Using modules with different speeds Signup and view all the answers

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

Network bandwidth utilization Signup and view all the answers

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

Memory > Network > Processor > Disk Signup and view all the answers

What is a common issue with network adapters on servers?

Not loading the appropriate firmware version Signup and view all the answers

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

Upgrading the processor Signup and view all the answers

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

Not following restrictions on supported combinations Signup and view all the answers

What is the primary purpose of paging?

To move individual pages of a process to disk to reclaim memory Signup and view all the answers

Which of the following is a common memory measurement?

Available Memory Signup and view all the answers

What does the '% Processor Time' metric measure?

The percentage of time the processor is executing any code Signup and view all the answers

Which of the following is a common network card measurement?

Bytes Received/sec Signup and view all the answers

What is the purpose of swapping?

To move an entire process to disk to reclaim memory Signup and view all the answers

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

% Broadcasts Signup and view all the answers

What does average utilization mean in the context provided?

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

What is current utilization based on the provided information?

The moving average calculated over a small time period. Signup and view all the answers

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

The value used to adjust the influence of past samples compared to new samples in averaging. Signup and view all the answers

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

The value we are trying to compute in calculations. Signup and view all the answers

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

PDF document: Understanding_the_bits_per_second.pdf (3 pages) Signup and view all the answers

What is being averaged when determining 'average utilization'?

Bits-per-second Signup and view all the answers