Network Performance Troubleshooting: Master the Art of Resolving Network Issues

Question 1

Which of the following is not a common metric to measure network performance?

Accepted Answer

Availability

Answer

Throughput

Answer

Latency

Answer

Packet loss

Question 2

What is the primary cause of high latency in a network?

Accepted Answer

Congestion

Answer

Faulty hardware

Answer

Packet loss

Answer

Incorrect routing

Question 3

What is the first step in troubleshooting network performance issues?

Accepted Answer

Identify symptoms

Answer

Contact vendor support

Answer

Replace all network devices

Answer

Reinstall the operating system

Question 4

What is the purpose of a packet sniffer in network troubleshooting?

Accepted Answer

To capture and analyze network traffic

Answer

To test hardware connectivity

Answer

To configure network devices

Answer

To monitor network security

Question 5

Which of the following is NOT a factor that can contribute to high latency in a network?

Accepted Answer

Physical network topology

Answer

Excessive network traffic

Answer

Insufficient bandwidth

Answer

Outdated network hardware

Question 6

In network troubleshooting, when is it more suitable to use a protocol analyzer instead of a packet sniffer?

Accepted Answer

When the problem is likely caused by a specific protocol

Answer

When the network traffic is encrypted

Answer

When the problem happens occasionally and infrequently

Question 7

In troubleshooting network speed issues, which step should be given priority?

Accepted Answer

Examining physical cabling for damage

Answer

Checking router and switch configurations

Answer

Analyzing CPU and memory usage

Answer

Inspecting firewall rules

Question 8

Which tool is commonly employed to measure network latency?

Accepted Answer

Ping

Answer

Traceroute

Answer

Netstat

Answer

Wireshark

Question 9

High volumes of discarded packets are indicative of which type of network performance issue?

Accepted Answer

Packet loss

Answer

Excessive bandwidth consumption

Answer

Excessive latency

Answer

Weak signal strength

Question 10

What is the purpose of a network sniffer?

Accepted Answer

Capturing and analyzing network traffic

Answer

Monitoring system logs

Answer

Testing network connectivity

Answer

Configuring network devices

Question 11

Which OSI layer is responsible for routing packets across a network?

Accepted Answer

Network

Answer

Physical

Answer

Data Link

Answer

Transport

Question 12

Which network performance issue arises when router queues lack sufficient buffer space, leading to high latency and jitter?

Accepted Answer

Bufferbloating

Answer

Latency

Answer

Packet Loss

Answer

Bandwidth Congestion

Question 13

Which network analysis tool can be utilized to identify performance bottlenecks by capturing and analyzing network traffic?

Accepted Answer

Wireshark

Answer

Ping

Answer

Traceroute

Question 14

In the troubleshooting process, what is the initial stage in resolving network performance issues?

Accepted Answer

Defining the issue

Answer

Reaching out to the ISP

Answer

Resolving the problem

Answer

Monitoring the network

Question 15

Which command is used to verify network connectivity between two hosts?

Accepted Answer

Ping

Answer

Nslookup

Answer

Traceroute

Answer

Netstat

Question 16

What is the primary objective of establishing a network performance baseline?

Accepted Answer

Setting benchmarks for normal performance levels

Answer

Troubleshooting performance issues

Answer

Optimizing network performance

Answer

Detecting performance problems

Question 17

Which of the following is NOT a typical cause of packet loss in a network?

Accepted Answer

Optimal network routing

Answer

Physical cable damage

Answer

Outdated network drivers

Answer

Excessive network traffic

Question 18

What is the primary function of a network monitoring system?

Accepted Answer

Detecting and alerting on performance issues and potential problems

Answer

Optimizing network performance

Answer

Resolving performance issues

Answer

Troubleshooting performance problems

Question 19

Which of the following is considered a best practice for optimizing network performance?

Accepted Answer

Regularly applying updates to network software

Answer

Ignoring performance issues

Answer

Overloading the network with excessive traffic

Answer

Using outdated or obsolete network hardware

Question 20

Why is it vital to document network performance issues and their resolutions?

Accepted Answer

Facilitate future troubleshooting and ongoing network improvements

Answer

Fulfill management reporting requirements

Answer

Assign blame for network performance problems

Question 21

Which of the following tools is commonly employed for evaluating network bandwidth and throughput performance?

Accepted Answer

iPerf

Answer

Ping

Answer

Traceroute

Answer

Wireshark

Question 22

In the context of network performance troubleshooting, what constitutes the initial step?

Accepted Answer

Gathering information related to the problem

Answer

Executing a virus scan

Answer

Replacing network cables

Answer

Restarting the server

Question 23

Which of the following is a common contributor to excessive latency in a network environment?

Accepted Answer

Congestion

Answer

Packet loss

Answer

Software bugs

Answer

Hardware failure

Question 24

What is the primary purpose of utilizing a network sniffer?

Accepted Answer

To capture and analyze network traffic data

Answer

To measure network bandwidth

Answer

To manage network security

Answer

To troubleshoot hardware problems

Question 25

What is the distinction between symmetric and asymmetric bandwidth?

Accepted Answer

Symmetric bandwidth provides equal upload and download speeds, while asymmetric bandwidth offers differing speeds for each.

Answer

Symmetric bandwidth is inherently faster than asymmetric bandwidth.

Question 26

Which network protocol is frequently employed for troubleshooting connectivity issues?

Accepted Answer

Ping

Answer

DNS

Answer

HTTP

Answer

FTP

Question 27

What is the primary purpose of a network topology diagram?

Accepted Answer

To visualize the network layout and connectivity

Answer

To configure network devices

Answer

To monitor network traffic

Question 28

What advantage do cloud-based network monitoring tools offer?

Accepted Answer

Remote access and real-time monitoring capabilities

Answer

Increased storage capacity

Answer

Improved security

Answer

Reduced cost

Question 29

Why is it important to document network performance issues and their resolutions?

Accepted Answer

To facilitate knowledge sharing and prevent similar issues in the future

Answer

To impress clients

Answer

To comply with regulatory requirements