Section 22: Network Tools and Commands Flashcards
What is a WiFi Analyzer?
Ensures you have the proper coverage and helps prevent overlap between wireless access point coverage zones and channels.
What is a Protocol Analyzer?
Used to capture and analyze signals and data traffic over a communication channel
What is a Packet Capturing Tool?
Used to capture packets running over a network connection in real time and then save them for a later analysis.
What is a Bandwidth Speed Test?
Verifies the real-world throughput from a client device all the way out to the Internet and back
What is a Port Scanner?
Determines which ports are open on a network
What does iperf do?
Gathers an active measurement of the maximum achievable bandwidth on an IP-based network
What is a NetFlow Analyzer?
Performs monitoring, troubleshooting and in-depth inspection, interpretation, and synthesis of traffic flow data.
What is a Trivial File Transfer Protocol (TFTP) Server?
Used for simple file transfers on a network and boot-loading of remote devices
What is a Terminal Emulator?
Allows a host computer to access another computer through a command-line interface or a graphical one using either Telnet or SSH
What is an IP Scanner?
Used to search for and detect IP addresses and other information related to devices on the network
What is ping used for?
Used to check IP connectivity between two devices
What does Traceroute/Tracert do?
Displays the path between your device and the destination IP address, showing each route hop along the path
What does ipconfig do?
Displays all of the current TCP/IP network configuration values and refreshes DHCP and DNS settings for a Windows client/server
What is ifconfig?
Command line tool used in Unix, Linux, OS X systems to display IP address information
What does ip do?
Assigns an address to a network interface or configures network interface parameters on a Unix, Linux, OS X operating system
What is nslookup (Name Server Lookup) used for?
Used to query the DNS to provide the mapping between domain names and IP addresses or other DNS records
What is dig used for?
Used to conduct queries against DNS name servers and is only available for Linux, Unix, and OS X systems by default
What is hostname used for?
Used to display the hostname portion of the full computer name for a given system
What is arp used for?
Used to display and modify entries in the Address Resolution Protocol (ARP) cache on a system
What is route used for?
Used to view and manipulate the IP routing table in a Windows, Linux, Unix, or OS X system
What is netstat?
Displays information for IP-based connections on a client including its current sessions, its source and destination IPs, and port numbers
What does telnet do?
Provides a bidirectional interactive text-oriented communication facility using a virtual terminal connection
What is tcpdump?
Allows for the display of TCP/IP and other packets being transmitted or received over a network to the client’s screen
What does nmap do?
Discovers hosts and services on a computer network by sending packets and analyzing the responses
