CompTIA Network+ Network+ Network Monitoring and Logging 2

Question 1

A network administrator wants to monitor bandwidth utilization on all WAN links in real time. Which protocol is most appropriate for collecting this data from routers?

Accepted Answer

NetFlow

Answer

NetFlow collects IP traffic statistics including bandwidth utilization per flow, making it ideal for WAN link monitoring.

Question 2

Which SNMP component is responsible for sending unsolicited alerts to the NMS when a threshold is exceeded?

Accepted Answer

Trap

Answer

SNMP Traps are unsolicited notifications sent by an agent to the NMS when a predefined threshold or event occurs.

Question 3

A syslog message has a severity level of 2. How should the administrator classify this message?

Accepted Answer

Critical

Answer

Syslog severity level 2 is 'Critical,' indicating serious conditions that require immediate attention.

Question 4

What is the primary advantage of using SNMPv3 over SNMPv1 in a production network?

Accepted Answer

Authentication and encryption

Answer

SNMPv3 adds user-based authentication and AES/DES encryption, addressing the security weaknesses of SNMPv1/v2c.

Question 5

An administrator notices that log timestamps across multiple network devices do not match. Which service should be implemented to resolve this?

Accepted Answer

NTP

Answer

NTP (Network Time Protocol) synchronizes clocks across all network devices, ensuring consistent log timestamps.

CompTIA Practice Test

CompTIA Practice Test

CompTIA Network+ Network+ Network Monitoring and Logging 2