Master Network Congestion Troubleshooting: Enhance Network Performance

Question 1

What is the primary cause of network congestion?

Accepted Answer

Insufficient network bandwidth

Answer

Misconfigured network devices

Answer

Outdated applications

Answer

Unsecured network access

Question 2

Which of the following is a primary cause of network congestion?

Accepted Answer

Insufficient bandwidth

Answer

High latency

Answer

Low packet loss

Answer

Optimal routing

Question 3

What is the primary objective of using traffic shaping tools to mitigate network congestion?

Accepted Answer

Prioritizes traffic based on its importance

Answer

Increases bandwidth availability

Answer

Reduces latency

Answer

Eliminates packet loss

Question 4

Which type of network cable provides high bandwidth and can be a solution to alleviate congestion in high-speed networks?

Accepted Answer

Fiber optic

Answer

Twisted pair

Answer

Coaxial

Answer

RS-232

Question 5

What is a crucial step in troubleshooting network congestion problems?

Accepted Answer

Identifying network bottlenecks

Answer

Upgrading network hardware

Answer

Rebooting network devices

Answer

Contacting the ISP

Question 6

Which of the following is a proven technique for prioritizing traffic and reducing congestion?

Accepted Answer

Quality of Service (QoS)

Answer

Load balancing

Answer

VLAN tagging

Answer

Subnetting

Question 7

Which of the following is NOT a common symptom experienced as a result of network congestion?

Accepted Answer

Optimal throughput

Answer

Slow application response times

Answer

Frequent buffer overflows

Answer

Increased network latency

Question 8

Which of the following is NOT a common cause of network congestion?

Accepted Answer

Optimal packet size

Answer

Excessive bandwidth usage

Answer

Insufficient network capacity

Answer

Misconfigured routers

Question 9

What is the purpose of traffic shaping in network management?

Accepted Answer

To prioritize and control the flow of network traffic

Answer

To increase the overall bandwidth of the network

Answer

To reduce network latency

Answer

To detect and block malicious traffic

Question 10

What is meant by a network bottleneck?

Accepted Answer

A point in the network where traffic accumulates and causes delays

Answer

A slow network device that limits the overall performance of the network

Answer

A configuration error that leads to network congestion

Answer

A security breach that allows unauthorized access to the network

Question 11

What is the main role of QoS (Quality of Service) in network congestion management?

Accepted Answer

To prioritize network traffic based on its importance and sensitivity to delay

Answer

To increase the bandwidth of the network

Answer

To detect and block malicious traffic

Answer

To optimize the performance of mission-critical applications

Question 12

Which of the following is a common cause of network congestion?

Accepted Answer

Excessive bandwidth usage

Answer

High packet loss

Answer

Properly sized network equipment

Answer

Limited number of users

Question 13

Which metric measures the percentage of packets that fail to reach their destination?

Accepted Answer

Packet loss

Answer

Latency

Answer

Throughput

Answer

Jitter

Question 14

What is a common symptom of network latency?

Accepted Answer

Slow response times

Answer

Packet retransmissions

Answer

Network outages

Answer

Increased bandwidth usage

Question 15

Within the OSI model, which layer is primarily responsible for routing packets across a network?

Accepted Answer

Network Layer

Answer

Data Link Layer

Answer

Physical Layer

Answer

Transport Layer

Question 16

Which command is commonly used in Linux to check the status of network interfaces?

Accepted Answer

ifconfig

Answer

netstat

Answer

ipconfig

Answer

route

Question 17

Which type of network device can be effectively utilized to mitigate network congestion?

Accepted Answer

Load balancers

Answer

Routers

Answer

Switches

Answer

Firewalls

Question 18

What is the primary function of a network sniffer?

Accepted Answer

Capturing and analyzing network traffic data.

Answer

Identifying potential security vulnerabilities.

Answer

Preventing unauthorized network access.

Answer

Optimizing network performance by identifying bottlenecks.

Question 19

Which network monitoring tool is ideal for identifying intermittent network connectivity problems caused by wireless signal interference?

Accepted Answer

Wireshark

Answer

Ping

Answer

Traceroute

Answer

SNMP

Question 20

Which technique distributes network traffic across multiple paths to avoid congestion?

Accepted Answer

Load balancing

Answer

Traffic shaping

Answer

Packet filtering

Answer

Network segmentation

Question 21

What is the main purpose of traffic shaping in network management?

Accepted Answer

Prioritizing and controlling network traffic flow.

Answer

Encrypting network data for secure communication.

Answer

Identifying specific network bottlenecks for analysis.

Answer

Blocking malicious traffic to enhance network security.

Question 22

Which of the following is a proactive approach to prevent network congestion before it occurs?

Accepted Answer

Network capacity planning

Answer

Network monitoring

Answer

Load balancing

Answer

Traffic shaping

Question 23

How does network segmentation help address network congestion?

Accepted Answer

By isolating network traffic and reducing contention for network resources.

Answer

By blocking malicious traffic from accessing the network.

Answer

By increasing overall network bandwidth for greater capacity.

Answer

By enhancing network security through isolation of sensitive data.