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

SNMP

Answer

Syslog

Answer

ICMP

Question 2

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

Accepted Answer

Trap

Answer

MIB

Answer

OID

Answer

Community string

Question 3

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

Accepted Answer

Critical

Answer

Informational

Answer

Warning

Answer

Emergency

Question 4

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

Accepted Answer

Authentication and encryption

Answer

Faster polling intervals

Answer

Support for more MIB objects

Answer

Larger community string length

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

DNS

Answer

DHCP

Answer

RADIUS

Question 6

Which tool would a network engineer use to capture and analyze raw packets traversing a network segment for troubleshooting?

Accepted Answer

Protocol analyzer (packet sniffer)

Answer

SNMP manager

Answer

Syslog server

Answer

NetFlow collector

Question 7

A company wants to detect port scans and brute-force login attempts on its network. Which system should be deployed?

Accepted Answer

IDS/IPS

Answer

Syslog server

Answer

SNMP trap receiver

Answer

NetFlow analyzer