Module_11_Study_Questions

Peer-to-Peer Network

A network where devices act as both clients and servers, sharing resources directly without a central server.

Subnet Mask

A mask used to determine which portion of an IPv4 address is designated as the network ID and which part is designated as the host ID.

Personal Area Network (PAN)

A type of network created for communication between devices located close to one another, such as pairing wireless earbuds to a cell phone.

Router

A device that connects multiple networks together and provides routing between them.

TCP (Transmission Control Protocol)

A connection-oriented protocol that ensures reliable transmission of data.

UDP (User Datagram Protocol)

A connectionless protocol that allows for faster transmission of data without delivery confirmation.

3-way Handshake Steps

The steps involved in establishing a TCP connection: SYN, SYN-ACK, and ACK.

SMTP

Simple Mail Transfer Protocol, used for sending emails, typically operates on Port 25.

IPv4 Address

An address that consists of 32 bits, represented as four 8-bit octets.

IPv6 Address

An address that consists of 128 bits, represented as eight 16-bit sections.

MAC Address

A physical address that is hardware-based, used to uniquely identify devices on a network.

File Storage

One of the network resources provided by a server, allowing access to stored files.

Fully Qualified Domain Name (FQDN)

A complete domain name that specifies a host and its domain, including the top-level domain.

Internet of Things (IoT)

A network of connected smart devices that communicate and collect data, often including sensors and processors.

WPA2

A security protocol that uses AES for encryption in wireless networks.

Dynamic Host Configuration Protocol (DHCP)

A protocol used to dynamically assign IP addresses to devices on a network.

Network Address Translation (NAT)

A technology that allows multiple computers to share a single public IP address.

Universal Plug and Play (UPnP)

A set of networking protocols that allows networked devices to discover each other and establish functional network services.

Hub vs. Switch

A hub broadcasts to all ports while a switch sends data specifically to the intended destination.

Cable Modem Service

An internet connection provided over coaxial cable, typically following the DOCSIS standard.

traceroute

A network utility used to show each hop a packet takes in reaching its destination.