FREE CompTIA Network+ Network Monitoring and Logging Questions and Answers

Question 1

A network administrator needs to centralize log messages from various multi-vendor network devices like routers, switches, and firewalls into a single server for analysis.
The solution must use a standard, widely supported protocol for sending these event messages across the network.
Which protocol is BEST suited for this purpose?

Accepted Answer

Syslog

Answer

SNMP

Answer

NetFlow

Answer

ICMP

Question 2

In the Simple Network Management Protocol (SNMP) architecture, which component is a hierarchical database residing on a managed device that contains variables and objects the device can report on or be configured for?

Accepted Answer

Management Information Base (MIB)

Answer

SNMP Agent

Answer

SNMP Trap

Answer

Network Management Station (NMS)

Question 3

A security analyst needs to investigate a potential data breach by correlating firewall logs, web server access logs, and authentication logs from a domain controller. The goal is to identify suspicious patterns, such as a brute-force attack followed by unauthorized data access. Which system is specifically designed to aggregate, normalize, and correlate log data from multiple disparate sources for security analysis?

Accepted Answer

Security Information and Event Management (SIEM)

Answer

Intrusion Detection System (IDS)

Answer

Protocol Analyzer

Answer

Network Management System (NMS)

Question 4

A network technician needs to perform a deep inspection of network traffic to diagnose a complex application issue. The technician wants to capture and view the individual headers and payloads of packets being sent to and from a specific server. What type of tool is required for this task?

Accepted Answer

Protocol analyzer

Answer

Throughput tester

Answer

Log aggregator

Answer

Port scanner

Question 5

A network manager has noticed the company's internet connection is frequently saturated. To identify the cause, the manager wants to determine which users, applications, and protocols are consuming the most bandwidth. The solution should be efficient and not require capturing the full content of every packet. Which technology is MOST effective for this purpose?

Accepted Answer

NetFlow

Answer

Syslog

Answer

SNMP

Answer

Traceroute

Question 6

A company is experiencing poor quality on its Voice over IP (VoIP) calls, with users reporting that conversations sound choppy and garbled. A network analysis reveals that the arrival time between consecutive data packets is highly variable. Which network performance metric BEST describes this condition?

Accepted Answer

Jitter

Answer

Latency

Answer

Bandwidth

Answer

Packet loss