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6/14/25

Some Terms

LAN Local Area Network
TCP Transmission Control Protocol (Connection Based)
IP Internet Protocol
UDP User Datagram Protocol(connectionless, no handshake) Uses - VOIP, Streaming, gaming
MAC Media Access Control -Unique address to a NIC card
NIC Network Interface Card
DHCPDynamic Host Configuration Protocol - Assigns IP addresses
DNS Domain Name Service - URL to IP (logical) Address - Name (URL) to number (IP)
ARP Address Resolution Prototcol - IP to MAC on LAN
ICMP
IGMP

Commands

ipconfig /all
Release - terminates a "lease" on an IP address granted by ?DHCP?
/Renew - extend the lease on an IP Address - usually done about 1/2 way in on a lease term (period)
ipstat

Security

MACMadatory Access Control
MFAMulti Factor Authententification Example - Getting a text with a code to enter on a web page
CDPContinious Data Protection

Web

SOAPSimple Object Accesss Protocol
RESTRepresentational State Transfer
APIApplication Programming Interface

Backup

NAS Network Attached Storage
DAS Direct Attached Storage (Machine Local Devices)
SMB Server Message Block - Windows, works with Windows Services - allows multiple clients to share the same resource
NFS Network File System - Mostly used in Unix and trnux
CA Continuously Available
CDP Continious Data Protection
SOBR Scale Out Backup Repository
APIPAAutomatic Private IP Addressing - Computer does his when it can't contact a DHCP server IP address 196.254.x.y
Revised 6/31/25