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Chapter 7
Ch 7.2 Vocab
| Term | Definition |
|---|---|
| NAT | A technique that substitutes the public IP address of the router for the private IP address of a computer on a private network when the computer needs to communicate on the Internet. |
| Neighbors | In TCP/IP version 6, two or more nodes on the same link. |
| NetBIOS | A legacy suite of protocols used by Windows before TCP/IP. |
| network ID | portion of an IP address to defines the network |
| network interface card (NIC) | enables hosts to connect to the network and communicate with other computers. |
| octet | In TCP/IP version 4, each of the four numbers that are separated by periods and make up a 32-bit IP address. |
| OSI model | A model for understanding and developing computer-to-computer communication that divides networking functions among seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application. |
| POP3 | The TCP/IP protocol that an email server and client use when the client requests the downloading of email messages. |
| port address | A number used to identify each client or server application running on a computer. |
| protocol data unit (PDU) | A message on a TCP/IP network. These might be called a packet or frame, depending on the complexity of the message. |
| proxy server | A computer that intercepts requests that a client makes of a server. They can serve up requests from a cache it maintains to improve performance, or it can filter requests to secure a large network. |
| Quality of Service (QoS) | Feature used by Windows and network hardware devices to improve network performance for an application. |
| Remote Desktop Protocol | The Windows protocol used by Remote Desktop and Remote Assistance utilities to connect to and control a remote computer. |
| RJ-45 | Port that looks like a large phone jack and is used with a twisted-pair cable to connect to a wired network adapter or other hardware device. Stands for registered jack. |
| Router | Device that manages traffic between two more networks and can help find the best path for traffic to get from one network to another. |
| Secure Shell (SSH) | A protocol used to pass login information to a remote computer and control that computer over a network using encryption. |
| Server Message Block (SMB) | A protocol used by Windows to share files and printers on a network. |
| Simple Network Management Protocol (SNMP) | A versatile TCP/IP protocol used to monitor network traffic and manage network devices. |
| SMTP | A TCP/IP protocol used by email clients to send email messages to an email server and on to the recipient's email server. |
| static IP address | Permanent IP address that is manually assigned to a computer or other device. |
| subnet ID | In TCP/IP version 6, the last block (16 bits) in the 64-bit prefix of an IP address. |
| subnet mask | In TCP/IP version 4, 32 bits that include a series of ones followed by zeros. 1s identify network portion of IP address, and 0s identify host portion of IP address. Tells Windows if remote computer is on the same or different network. |
| switch | A computer networking device that connects network segments (Layer 2). |
| TCP | The protocol in the TCP/IP suite of protocols that works at the OSI Transport layer, establishes a session or connection between parties, and guarantees packet delivery. |
| TCP/IP | Group or suite of protocols used for almost all networks, including the Internet. TCP is responsible for error-checking transmissions and IP is responsible for routing. |
| TCP/IP model | In networking theory, a simple model used to divide network communication into four layers. This model is simpler than the OSI model, which uses seven layers. |
| Telnet | A TCP/IP protocol and application used to allow an administrator or other user to control a computer remotely. |
| Trivial FTP (TFTP) | a small, simple app often used to transfer BIOS updates to firmware on routers and smartphones. |
| UDP | A connectionless TCP/IP protocol that works at the OSI Transport layer and doesn't require a connection to send a packet or guarantee that it arrives at its destination. Its commonly used for broadcasting to multiple nodes on a network or the Internet. |
| unicast address | Using TCP/IP version 6, an IP address assigned to a single node on a network. |
| unique local address | In TCP/IP version 6, an address used to identify a specific site within a large organization. It can work on multiple links within the same organization. A hybrid between a global unicast address that works on the Internet and a link local unicast addres |
| wake-on-LAN | Configuring computer so that it will respond to network activity when the computer is in sleep state. |
| wireless access point (WAP) | Wireless device that is used to create and manage a wireless network. |
| zone file | holds all the records for a single domain. |
Created by:
CarlyJo87