Cisco Networking Basics

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IP

Addressing and packet delivery (protocol)

ARP

Resolves IPv4 addresses to MAC addresses (protocol)

DHCP

Automatically assigns network configuration (protocol)

DNS

Resolves domain names (protocol)

TCP

Reliable

UDP

Connectionless transport (protocol)

HTTP

Web communication (protocol)

HTTPS

Encrypted web communication (protocol)

FTP

File transfer (protocol)

SSH

Secure remote access (protocol)

Telnet

Remote terminal access (protocol)

SMTP

Sending email (protocol)

POP3

Retrieving email (protocol)

IMAP

Email synchronization (protocol)

Router

Connects different networks

Switch

Connects devices in a LAN

Modem

a hardware device that connects your home or office to your ISP

Access Point

Provides wireless network access (LAN)

Server

Provides services and information

Client

Requests services and information