IP Addresses & Network Basics
What does "IP" stand for in networking?
Internet Protocol
Which command can you use in PowerShell to find the IP address of your computer?
ipconfig or Get-NetIPAddress
What is the default gateway in a computer network?
The IP address of the router that connects a local network to the internet
What device is commonly used to connect multiple devices in a network?
Switch or Router
What is the purpose of a router in a network?
To forward data packets between networks
Which protocol is used to "ping" a device to check connectivity?
ICMP (Internet Control Message Protocol)
What does DNS stand for, and what is its purpose?
Domain Name System; it translates domain names (e.g., google.com) into IP addresses
What type of cable is commonly used for wired Ethernet networks?
Ethernet cable (Cat5e, Cat6, etc.)
What are the three primary types of IP addresses found on a device?
Private IP, Public IP, and Loopback IP
What command is used in PowerShell to measure network latency by sending packets?
ping <IP address>
What is the significance of the .pcap file format in network analysis?
It is used to store packet capture data for network analysis tools like Wireshark
What is the primary purpose of an IP address?
To uniquely identify a device on a network
In subnetting, what is the subnet mask for a /24 network?
255.255.255.0
What does the tracert command do in Windows PowerShell?
It traces the route packets take to reach a destination, showing each hop along the way
What is the difference between TCP and UDP?
TCP (Transmission Control Protocol) is connection-oriented, ensuring reliable data transmission, while UDP (User Datagram Protocol) is connectionless and faster but less reliable
What does HTTP stand for?
Hypertext Transfer Protocol
Why might network latency vary at different times of the day?
Due to factors like network congestion, ISP throttling, and physical distance between the source and destination
What command is used in Linux to capture packets for network analysis?
tcpdump or wireshark
What is ARP, and how does it work in a network?
Address Resolution Protocol (ARP) is used to map an IP address to a device's MAC address in a local network. It helps devices communicate by finding the hardware address associated with an IP.
What does LAN stand for?
Local Area Network