Software Tools

Question 1

Protocol Analyzers

Answer 1

Protocol Analyzers → Tools such as Wireshark that capture and decode network traffic so you can view packets, analyze protocols, troubleshoot issues, and identify security problems.

Question 2

Nmap

Answer 2

Network Mapper (Nmap) → A powerful scanning tool used to discover hosts, open ports, services, and vulnerabilities across a network.

Question 3

NSE

Answer 3

Nmap Scripting Engine (NSE) → A feature of Network Mapper (Nmap) that uses specialized scripts to automate scanning tasks such as vulnerability detection, configuration audits, or service enumeration.

Question 4

CDP

Answer 4

Cisco Discovery Protocol (CDP) → A Cisco-proprietary Layer 2 discovery protocol that advertises device information to identify neighboring Cisco devices on the network.

Question 5

LLDP

Answer 5

Link Layer Discovery Protocol (LLDP) → A vendor-neutral Layer 2 discovery protocol used to identify neighboring devices and exchange information such as port IDs, system names, and capabilities.

Question 6

Speed Test Sites

Answer 6

Speed Test Sites → Free online tools used to measure upload speed, download speed, and latency. Examples include speedtest.net, fast.com, and cloudflare speed test.