Network Monitoring and SNMP Concepts

The video tutorial explores various network monitoring tools and techniques. It covers port scanning, which helps identify open ports and services on a network without authentication. Interface monitoring is discussed as a method to check device status and receive alerts. The tutorial also explains NetFlow, a technology for analyzing network traffic flows, and SNMP, a protocol for managing network devices securely. The video emphasizes the importance of these tools in maintaining network health and security.

What is the primary function of a port scanner?

• To encrypt network traffic

• To gather information from a device over the network

• To monitor network bandwidth

• To manage network configurations

Which protocol is used by a port scanner to check if a device is alive?

• Ping or Address Resolution Protocol (ARP)

• HTTP

• SMTP

• FTP

What is the main purpose of interface monitoring?

• To configure network devices

• To manage user accounts

• To encrypt data

• To monitor device availability and network status

What can interface monitoring software do if an interface turns from green to red?

• Reboot the device

• Send an email or text alert

• Shut down the network

• Encrypt the data

What technology is commonly used for packet flow monitoring?

• SNMP

• NetFlow

• HTTP

• FTP

What is the role of a NetFlow probe?

• To configure network devices

• To manage user accounts

• To collect raw traffic data and create summary records

• To encrypt network traffic

What does SNMP stand for?

• Simple Network Management Protocol

• Secure Network Management Protocol

• Standard Network Management Protocol

• Simple Network Monitoring Protocol

Which SNMP version provides message integrity, authentication, and encryption?

• SNMP Version 1

• SNMP Version 4

• SNMP Version 2

• SNMP Version 3

What is a MIB in the context of SNMP?

• Monitoring Interface Base

• Management Interface Base

• Monitoring Information Base

• Management Information Base

What can an SNMP MIB browser or walker do?

• Encrypt network traffic

• Manage user accounts

• Provide graphical network maps

• Gather and modify details from network devices