Identify and Resolve Network Problems

Instruction: Select the correct answer for each of the 23 questions based on the module content.

1. What is the primary purpose of a network monitoring system?

A. To design new network architectures.
B. To block all incoming traffic by default.
C. To ensure availability and performance of hosts and services.
D. To increase the physical speed of the internet cables.

2. What is a Management Information Base (MIB)?

A. A database of employee login credentials.
B. A collection of manageable network objects representing physical components.
C. A physical map of the office building.
D. A legal document for internet service providers.

3. Which tool allows you to capture and decode packets traveling across the network?

A. Network analyzer (Sniffer)
B. Network mapper
C. Bandwidth tester
D. Port scanner

4. What tool is used to create a visual representation of network topology?

A. Ping
B. Wi-Fi Analyzer
C. Protocol Analyzer
D. Network mapper

5. What is a network benchmark?

A. The maximum possible speed of a router.
B. The standard against which other speed tests are measured.
C. A contract signed with a network technician.
D. A specific brand of network cable.

6. When should benchmark testing be performed to find the "norm"?

A. Under normal conditions during work hours.
B. Only at midnight when the office is empty.
C. During a major system crash.
D. Immediately after installing a brand new, unused network.

7. What does network availability testing typically involve?

A. Checking the electricity bill.
B. Measuring the weight of the server.
C. Running ping tests to ensure devices are operational.
D. Deleting logs to free up space.

8. How often should log summary reports be manually reviewed?

A. Every hour.
B. Monthly.
C. Once a year.
D. Only after a breach occurs.

9. What is the role of Quality of Service (QoS) in a network?

A. To limit users' access to social media.
B. To encrypt all emails sent from the server.
C. To reserve bandwidth for critical business applications.
D. To monitor the physical temperature of the router.

10. What is often the root cause of user-induced IT help desk problems?

A. Lack of end-user training.
B. Slow internet connection.
C. Low computer memory (RAM).
D. Using the wrong type of monitor.

11. Which utility transmits a datagram to another host to test connectivity?

A. Nslookup
B. Tracert
C. Ping
D. Netstat

12. What does the 'Tracert' command determine?

A. The brand of the destination server.
B. The route data takes to get to a destination.
C. The remaining battery life of a laptop.
D. The number of files on a network drive.

13. Which tool is useful for identifying problems with DNS name resolution?

A. Nslookup
B. Ipconfig
C. Arp
D. Route

23. How can an administrator verify if a network is experiencing packet loss?

A. By checking the hard drive temperature.
B. By counting the number of users online.
C. By checking physical power cables.
D. Using network speed tests or tools like Paessler.

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Identifying and Resolve Network Problems

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