Network+ Module 8 - Ports, Protocols, Services, and Traffic Types

These flashcards cover essential terminology and definitions related to ports, protocols, services, and traffic types relevant for the Network+ Exam.

Port

A logical connection used by programs to exchange information, identified by a unique number ranging from 0 to 65535.

File Transfer Protocol (FTP)

A protocol operating on ports 20 and 21.

Secure File Transfer Protocol (SFTP)

A protocol that operates on port 22.

Secure Shell (SSH)

A protocol that operates on port 22.

Telnet

A protocol that operates on port 23.

Simple Mail Transfer Protocol (SMTP)

A protocol that operates on port 25.

Domain Name System (DNS)

A protocol that operates on port 53.

Dynamic Host Configuration Protocol (DHCP)

A protocol operating on ports 67 and 68.

Trivial File Transfer Protocol (TFTP)

A protocol that operates on port 69.

Hypertext Transfer Protocol (HTTP)

A protocol that operates on port 80.

Network Time Protocol (NTP)

A protocol that operates on port 123.

Simple Network Management Protocol (SNMP)

A protocol that operates on ports 161 and 162.

Lightweight Directory Access Protocol (LDAP)

A protocol that operates on port 389.

Hypertext Transfer Protocol Secure (HTTPS)

A protocol that operates on port 443.

Server Message Block (SMB)

A protocol that operates on port 445.

Syslog

A protocol that operates on port 514.

Simple Mail Transfer Protocol Secure (SMTPS)

A protocol that operates on port 587.

Lightweight Directory Access Protocol over SSL

A protocol that operates on port 636.

Structured Query Language (SQL)

A protocol that operates on port 1433.

Remote Desktop Protocol (RDP)

A protocol that operates on port 3389.

Session Initiation Protocol (SIP)

A protocol that operates on ports 5060 and 5061.

Transmission Control Protocol (TCP)

A connection-oriented protocol that ensures all data packets are received and in order.

Three Way Handshake

The process for establishing a TCP connection, involving SYN, SYN-ACK, and ACK messages.

User Datagram Protocol (UDP)

A connectionless protocol that does not guarantee data delivery, often referred to as 'fire and forget'.

IPsec

A set of protocols used for securing internet protocol communications by authenticating and encrypting each IP packet.

Internet Key Exchange (IKE)

The protocol used to create the encryption for IPSec within two phases.

Authentication Header (AH)

An IPsec protocol that provides authentication and integrity without encryption before sending it.

Encapsulating Security Payload (ESP)

An IPsec protocol that provides authentication, integrity, and encryption to protect data before sending it.

Transport Mode

A mode in IPsec Encryption that encrypts only the payload of the IP packet.

Tunnel Mode

A mode in IPsec Encryption that encrypts the entire IP packet and adds a new IP header.

Generic Route Encapsulation (GRE)

A tunneling protocol used to encapsulate a wide variety of network layer protocols.

Broadcast

A traffic type where data is sent to every device on a network during transmission.

Unicast

A traffic type where data is sent to a single specific device during transmission.

Multicast

A traffic type where data is sent to multiple devices simultaneously during transmission.

Anycast

A traffic type where data is sent to the nearest device in a group during transmission.