NE NE Network Management and Monitoring

Question 1

Which protocol is most commonly used to monitor and manage network devices by querying MIB objects?

Accepted Answer

SNMP (Simple Network Management Protocol)

Answer

Syslog

Answer

NetFlow

Answer

TACACS+

Question 2

What is the difference between SNMPv2c and SNMPv3?

Accepted Answer

SNMPv3 adds authentication and encryption; SNMPv2c uses community strings with no encryption

Answer

SNMPv3 uses TCP while SNMPv2c uses UDP

Answer

SNMPv2c supports more MIB objects than SNMPv3

Answer

SNMPv3 only supports read-only operations

Question 3

What does syslog provide in a network management context?

Accepted Answer

Centralized logging of device events and alerts for auditing and troubleshooting

Answer

Real-time bandwidth utilization graphs

Answer

Automatic backup of device configurations

Answer

Active polling of device performance metrics

Question 4

Which syslog severity level indicates a condition that requires immediate action to prevent system failure?

Accepted Answer

Level 1 - Alert

Answer

Level 4 - Warning

Answer

Level 2 - Critical

Answer

Level 0 - Emergency

Question 5

What is NetFlow used for in network management?

Accepted Answer

Collecting and analyzing IP flow data to understand traffic patterns and bandwidth usage

Answer

Configuring QoS policies across the network

Answer

Synchronizing device configurations

Answer

Encrypting management traffic between the NMS and devices

Question 6

Which protocol provides secure, encrypted access to the CLI of network devices for management purposes?

Accepted Answer

SSH (Secure Shell)

Answer

Telnet

Answer

SNMP

Answer

HTTP