Network+ Module 29 - Software / Hardware Tools & Commands

These flashcards cover key software and hardware tools used in networking, including commands, protocols, and diagnostic tools.

ping

A command used to troubleshoot networking issues, checking connectivity to a website or server.

tracert

A command that tracks the route taken by packets across an IP network, recording each hop in milliseconds.

nslookup

A command that looks up DNS information and resolves domain names to their corresponding IP addresses.

ARP (Address Resolution Protocol)

A command that is used to resolve IP addresses to MAC (physical) addresses.

netstat

A command that displays current network connections and open ports on a computer.

ipconfig

A command thatdisplays the TCP/IP network configuration, helping to identify issues related to DHCP, DNS, and more.

tcpdump

A command-line packet analyzer that captures and analyzes network traffic.

NMAP

An open-source tool for network analysis and security audits.

LLDP (Link Layer Discovery Protocol) / CDP (Cisco Discovery Protocol)

A Layer 2 protocol that discovers devices on a network, providing information about the devices.

Speed Test

A tool that measures internet connection speed, including download speed, upload speed, and lag.

Cable Tester

A device used to confirm continuity and cabling arrangement of custom network cables.

Tone Generator / Fox and Hound

Tools used to trace cables and locate breakpoints by sending signals down the cable.

Wi-Fi Analyzer

A tool for analyzing and improving wireless network performance by measuring signal strength.

Visual Fault Locator

A tool that emits a red laser light to identify problems in fiber optic cables.

Network Tap

A device that allows network monitoring by getting in the path of network packets.

show command

A Cisco command tool to display various network settings and device configurations.

show mac-address-table

A Cisco command tool that shows the MAC address table from a device on a Cisco switch.

show route

A Cisco command tool that displays the routing table of a network device such as a router.

show interface

A Cisco command tool that displays information about network interfaces, their status, and speed.

show config

A Cisco command tool thats used to display the current configuration of a network device.

show arp

A Cisco command tool that displays the ARP cache on a device.

show vlan

A Cisco command tool that shows information about the configured VLANs on a switch.

show power

A Cisco command tool that displays information related to the power consumption of a device.