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Network+ N10-007 Command Line Tools
Command tools used for troubleshooting and analysis
11
Computer Networking
Professional
04/13/2021

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Cards

Term
ping
Definition
ICMP based tool to check for a response from a device
Term
tracert

traceroute
Definition
tracert (Windows), traceroute (OSX/Linux)

Determine the route a packet takes to a destination with hops (TTL)
Term
nslookup

dig
Definition
nslookup (old), dig (new)

DNS lookup information such as canonical names, IP addresses, cache timers, and more
Term
ipconfig

ifconfig
Definition
ipconfig (Windows), ifconfig (OSX/Linux)

Local IP address, default gateway, adapter information, subnet mask.
Term
iptables
Definition
Linux based firewall

Packet filtering
Term
netstat
Definition
Network statistics

-a All active connections
-b Binaries
-n No names, only IP addresses
Term
tcpdump
Definition
Packet capture in real time

Can be saved in pcap file format for Wireshark
Term
pathping
Definition
Ping & traceroute

Creates a map, measures round trip time & packet loss
Term
nmap
Definition
Network mapper

Find network devices, identify open ports, discover OS on devices, show available services on devices (name, version, details)
Term
route print
Definition
Where traffic is routed

IPv4 and IPv6 routing tables
Term
arp
Definition
Address Resolution Protocol

MAC addresses against IP addresses on local device
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