Network Monitoring Techniques: Master Network Performance, Availability, and Security

Question 1

Which active monitoring technique involves sending probes to devices to measure latency and availability?

Accepted Answer

Ping

Answer

SNMP

Answer

Syslog

Answer

NetFlow

Question 2

Which passive monitoring technique is used to capture and analyze network traffic?

Accepted Answer

Wireshark

Answer

Nagios

Answer

Zabbix

Answer

Nmap

Question 3

Which protocol is widely used for managing and monitoring networking devices?

Accepted Answer

SNMP

Answer

Telnet

Answer

HTTP

Answer

SSH

Question 4

Which metric is not typically monitored to assess network performance?

Accepted Answer

CPU utilization

Answer

Latency

Answer

Bandwidth

Answer

Packet loss

Question 5

What is the primary function of a network monitoring dashboard?

Accepted Answer

Visualizing network metrics in real-time

Answer

Sending alerts for critical network events

Answer

Generating network performance reports

Answer

Configuring and managing network devices

Question 6

Which tool is commonly used for troubleshooting network connectivity issues?

Accepted Answer

Traceroute

Answer

Wireshark

Answer

Netstat

Answer

PING

Question 7

What is the fundamental difference between network monitoring and network management?

Accepted Answer

Network monitoring involves detecting issues, while network management focuses on resolving them.

Answer

Network monitoring is passive, while network management is active.

Answer

Network management is a subset of network monitoring.

Answer

They are essentially the same.

Question 8

Identify the disadvantage of active network monitoring, where agents are deployed on monitored devices:

Accepted Answer

Increased network overhead

Answer

Real-time detection of network issues

Answer

Proactive identification of potential problems

Answer

Immediate isolation of faulty devices

Question 9

What is the primary purpose of threshold-based monitoring in network management?

Accepted Answer

To automatically detect and alert on abnormal network conditions that exceed predefined thresholds.

Answer

To track long-term network performance trends and identify areas for improvement.

Answer

To diagnose intermittent network problems by capturing and analyzing network traffic.

Answer

To identify potential security breaches by monitoring for suspicious network activity.

Question 10

Which metric is considered a key indicator for assessing the availability of a network, representing the percentage of time the network is operational?

Accepted Answer

Uptime percentage, indicating the duration of uninterrupted network operation.

Answer

Packet loss rate, measuring the proportion of data packets that fail to reach their destination.

Answer

Bandwidth utilization, indicating the usage of network capacity in relation to its maximum throughput.

Answer

Latency, representing the time delay experienced by data packets as they traverse the network.

Question 11

What is the primary function of SNMP in network management?

Accepted Answer

Collects and monitors network device information

Answer

Diagnoses network issues remotely

Answer

Detects and prevents network intrusions

Answer

Optimizes network performance

Question 12

Which of the following is NOT an advantage of utilizing network traffic analysis?

Accepted Answer

Predicting future network growth

Answer

Identifying performance bottlenecks

Answer

Detecting security threats

Answer

Troubleshooting network connectivity issues

Question 13

Which type of monitoring actively sends probes to network devices to measure performance?

Accepted Answer

Active monitoring

Answer

Passive monitoring

Answer

Hybrid monitoring

Answer

Real-time monitoring

Question 14

Which tool is commonly used for capturing and analyzing network packets?

Accepted Answer

Wireshark

Answer

Netstat

Answer

Traceroute

Answer

Ping

Question 15

Which type of monitoring is primarily focused on detecting and preventing network intrusions?

Accepted Answer

Security monitoring

Answer

Performance monitoring

Answer

Availability monitoring

Answer

Capacity monitoring

Question 16

Why is monitoring network security metrics crucial for an effective network monitoring strategy?

Accepted Answer

It allows for early identification of security threats and vulnerabilities.

Answer

It enhances network performance and availability.

Answer

It provides insights into user behavior and network usage patterns.

Answer

It assists in troubleshooting network connectivity issues.

Question 17

Which of the following accurately describes the primary function of a network sniffer?

Accepted Answer

Captures and analyzes network packets' content

Answer

Monitors network performance and availability in real-time

Answer

Discovers network devices and their interconnections

Question 18

What is the main purpose of utilizing a ping command in network monitoring?

Accepted Answer

Tests network connectivity and latency

Answer

Detects network intrusions and malicious software

Answer

Provides real-time alerts and notifications for network events

Answer

Monitors bandwidth utilization and traffic patterns

Question 19

Which of the following network monitoring techniques is considered passive?

Accepted Answer

Network Protocol Analyzer

Answer

SNMP Monitoring

Answer

Ping Sweep

Answer

Traceroute

Question 20

What is a significant advantage of employing a Network Management System (NMS)?

Accepted Answer

Enables centralized monitoring and management of network devices

Answer

Eliminates the need for manual monitoring entirely

Answer

Significantly reduces network maintenance costs

Question 21

In network management, what is the primary goal of performance monitoring?

Accepted Answer

Identifies network bottlenecks and optimizes performance

Answer

Provides early detection of potential network failures

Answer

Ensures network security compliance and adherence to standards

Question 22

What is the primary purpose of a syslog server?

Accepted Answer

Collects and stores system logs from various network devices

Answer

Monitors network traffic patterns to identify potential anomalies

Answer

Provides real-time alerts and notifications for significant network events

Answer

Generates comprehensive reports on network usage and performance

Question 23

What is the primary objective of network security monitoring?

Accepted Answer

Detects and prevents unauthorized access and malicious activities

Answer

Monitors network availability and connectivity

Answer

Optimizes network performance and enhances reliability