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Definition
| A numeric identifier within each segment that is used to keep track of specific conversations and destination services requested. |
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| The combination of the source and destination IP address and the source and destination port number. |
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| What is a socket used for? |
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Definition
| To identify the server and the service being requested by the client. |
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| What is the Domain Name System? |
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| It provides a way for hosts to use a name to request the IP address of a specific server. |
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| A command in UNIX and Windows used to find host information in Internet domain name servers. |
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| Name 3 types of mark-up languages |
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| Processes routines for accessing physical media. |
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| Defines the datagram and handles the routing of data |
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| Provides end-to-end data delivery services |
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| Consists of applications and processes that use the network |
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| Service that provides the IP address of a web site or domain name so a host can connect to it. |
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| Service that allows administrators to log in to a host from a remote location and control the host as though they were logged in locally. |
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| Uses Simple Mail Transfer Protocol (SMTP), Post Office Protocol (POP3) or Internet Message Access Protocol (IMAP). Used to send email messages from clients to servers over the Internet.Recipients are specified using the user@xyz format. |
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| Service that assigns an IP address, subnet mask, default gateway and other information to clients. |
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Hypertext Transfer Protocol (HTTP)
Used to transfer information between web clients and web servers. Most web pages are accessed using HTTP |
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| Service that allows for download and upload of files between a client and server. |
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| A portion separated by a computer networking device such as a repeater, bridge, or router. In the OSI model, a PDU at the transport layer. |
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| Internet Corporation for Assigned Names and Numbers |
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| What are the application layer protocols? |
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Definition
| HTTP, FTP, DNS, SMTP, Telnet, DHCP |
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| What are the Transport Layer Protocols? |
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Definition
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| What are the Internetwork Layer Protocols? |
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| Name the 4 levels of a Protocol Stack starting at the bottom. |
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Definition
| Ethernet Protocol, Internet Protocol, Transmission Protocol, & Hypertext Transfer Protocol |
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| What are the 4 layers of the TCP/IP model starting at the bottom? |
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Definition
| Network Access Layer, Internet Layer, Transport Layer, & Application Layer |
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Term
| What are two protocols are TCP/IP application layer protocols? |
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Definition
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Term
| What protocol is used by email servers to communicate with each other? |
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Definition
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Term
| What info is contained in an IP header? |
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Definition
| Source & destination IP addresses |
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Term
| A device receives an Ethernet frame & recognizes the MAC address as it's own. What does the device do to the message to get to the encapsulated data? |
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Definition
| Removes the Ethernet header & trailer |
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Definition
| Service Set Identifier. The code assigned to a packet that designates that the communication is part of a wireless network. It is case-sensitive, alpha-numeric string 32 characters. |
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Definition
| Independent Basic Service Set - used in peer-to-peer (ad-hoc) WLANs |
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Definition
| Basic Service Set - The area covered by a single access point (AP) |
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Definition
| Extended Service Set - Area covered by two or more access points (APs)There must be a 10% overlap in areas to allow the uninterrupted switching from one AP to the next. |
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Definition
| Channels are created by dividing up the available RF spectrum. Each spectrum is capable of carrying a different conversation. |
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Term
| Throughput or Network Throughput |
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Definition
| The average rate of successful message delivery over a communication channel. This data may be delivered over a physical or logical link, or pass through a certain network node. It is usually measured in bits per second (bit/s or bps), and sometimes in data packets per second or data packets per time slot. |
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| Direct connection between two or more ISPs that allows them to switch Internet traffic at no cost. No others can connect to these points. |
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Definition
| Process that enables multiple ISPs to interconnect across a single physical port, known as an exchange point. |
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Definition
| Routing protocol and is often accompanied by peering agreements of varying formality, from "handshake" to thick contracts. |
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Definition
| Internet Control Message Protocol - Internet protocol used to verify communications. |
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Definition
| A utility that displays the path that a packet takes from the source to destination host. |
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Definition
| Each router that a packet passes through on a path from source to destination host. |
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Definition
| DSL Access Multiplexer - Access device that enables DSL end users to connect to the ISP. |
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Definition
| Cable Modem Termination System - Access device for cable end users to connect to the ISP |
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Definition
| Network Operations Center |
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Definition
| The capacity of a network to allow for future change and growth. |
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Definition
| Process of putting a sequence of characters, such as letters, numbers, punctuation, and certain symbols. into a specialized format for efficient transmission or storage. |
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| Network Address Translator |
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Term
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Definition
| Highspeed WAN Interface Card |
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Term
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Definition
| This port is used to configure the ISR via a directly connected host. |
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Term
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Definition
| This port is used to configure the ISR via a modem connection. |
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Definition
| Channel Service Unit/Data Service Unit |
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Definition
Data Communications Equipment
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Definition
Telecommunications Service Provider
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