Network Basics
Two or more computers that are linked in order to share resources, exchange files, or allow electronic communications
What is a network?
Name one of the two types of internet protocols
What is TCP or UDP?
A perpetrator gets in the middle of a communication to eacesdrop or impersonate
Encryption that uses two cryptographic keys and makes SSL possible
What is Public Key Encryption?
Data is encrypted and decrypted using the same key
What is symmetric encryption?
Name 3 Types of Networks
What is LAN, WAN, PAN, WLAN, CAN, VPN?
HTTP port
What is 80?
Unique 12-digit hexadecimal that is burned into the nic card
What is MAC address?
Validates a server's public key
What is a Certificate Authority?
Attack where a hacker attempts to gain information about the target without changing any data
What is an passive attack?
Functions as a gateway between networks
What is a router?
Better for livestreaming
What is UDP?
Routes traffic through 3 layers
What is SSL Strip?
Tool used for port and vulnerability scanning as well as network discovery
The number of IP classes
What is 5?
SYN, SYN-ACK, ACK
What is the 3 way handshake?
Can be used a rogue access point to conduct MitM attacks
What is Wi-Fi Pineapple?
Single-use key used for encrypting all messages in a communication
What is session key?
Used for the transfer of computer files between a client and server on a network
What is FTP?
10.x.x.x, 192.168.x.x, 172.16.x.x - 172.31.x.x
What is a private ip address?
Port 23
What is telnet?
Table that stores source ips and their MAC addresses
Reroutes url from HTTP to HTTPS
Name a career in network security
What is network analyst, network security engineer, forensic computer analyst, penetration tester, or CISO?