4233342
Description
Flashcards by SithLord Catnips, updated more than 1 year ago
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Created by SithLord Catnips
almost 9 years ago
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| Question | Answer |
| A - Address | A type of DNS data record that maps the IPv4 address of an Internet-connected device to its domain name. |
| AAA - Authentication Authorization and Accounting | A category of protocols that establish a client’s identity, authorize a user for certain privileges on a system or network, and keep an account of the client’s system or network usage. |
| AAAA - Authentication, Authorization, Accounting and Address | A type of DNS data record that maps the IPv6 address of an Internet-connected device to its domain name. |
| ACL - Access Control List | A list of statements used by a router to permit or deny the forwarding of traffic on a network based on one or more criteria. |
| ADSL - Asymmetric Digital Subscriber Line | The most popular variation of DSL. The latest version of ADSL, ADSL2+M, offers more throughput when data travels downstream that when data travels upstream. |
| AES - Advanced Encryption Standard | A private key encryption algorithm that uses a sophisticated family of ciphers along with multiple stages of data transformation. |
| AH - Authentication Header | In the context of IPsec, a type of encryption that provides authentication of the IP packet’s data payload through public key techniques. |
| AP - Access Point | A device used on wireless LANs that accepts wireless signals from multiple nodes and retransmits them to the rest of the network. Aps can connect a group of nodes with a network or two networks with each other. They may use unidirectional or omnidirectional antennas. |
| APC - Angle Polished Connector | The latest advancement in ferrule technology that uses the principles of reflection to its advantage by placing the end faces of the highly polished ferrules at an angle to each other, thus reducing the effect of back reflection. |
| APIPA - Automatic Private Internet Protocol Addressing | A service available on computers running one of the Windows operating systems that automatically assigns the computer’s network interface a link-local IP address. In IPv4, this address is in the range of 169.254.0.1 through 169.254.255.254. IPv6 does not use APIPA, but a similar address type, the unicast link-local address with the prefix FE80::/10, is used instead. |
| APT - Advanced Persistent Protocol | A network attack that continues undetected for a long period of time. These attacks are successful because the intent is to clandestinely steal data rather than damage network resources. |
| ARIN - American Registry for Internet Numbers | A non-profit corporation that manages the distribution of public IP addresses for North American region, including the United States, Canada, and several small islands, countries, and territories in that region (including in the Caribbean). ARIN also services Antarctica. |
| ARP - Address Resolution Protocol | A core protocol in the TCP/IP suite that belongs in the Network layer of the OSI model. ARP obtains the MAC (physical) address of a host, or node, and then creates a local database that maps the MAC address to the host’s IP (logical) address. |
| AS - Autonomous System | A network or a collection of networks that are all managed and supervised by a single entity or organization. |
| ASIC - Application Specific Integrated Circuit | A specialized microchip designed to provide customized features to a specific application. |
| ASP - Application Service Provider | A vendor that provides individual users - or an entire enterprise - with software applications over a network, usually a local area network (LAN) or an LAN with Internet access. The provided software may be referred to as software as a service, apps on tap, or on-demand software. One of the most basic forms of ASP is a vendor that provides access to a particular application software using HTTP protocol. |
| ATM - Asynchronous Transfer Mode | A switching technique used by telecommunication networks that uses asynchronous time-division multiplexing to encode data into small, fixed-sized cells. This is different from Ethernet or Internet, which use variable packet sizes for data or frames. ATM is the core protocol used over the synchronous optical network (SONET) backbone of the integrated digital services network (ISDN). |
| AUP - Acceptable Use Policy | A portion of the security policy that explains to users what they can and cannot do, and penalties for violations. It might also describe how these measures protect the network’s security. |
| BERT - Bit-Error Rate Test | A test that measures the bit-error rate of transmission, which is the percentage of bits with errors in a transmission. |
| BGP - Border Gateway Protocol | Dubbed the “protocol of the Internet”, this path-vector routing protocol is the only current EGP and is capable of considering many factors in its routing metrics. |
| BLE - Bluetooth Low Energy | Also called Bluetooth Smart, a new version of Bluetooth that provides a range comparable to the earlier version of Bluetooth, but that consumes less power. BLE devices are also cheaper than earlier Bluetooth devices. |
| BNC - British Naval Connector/Bayonet Niell-Concelman | A standard for coaxial cable connectors named after its coupling method and its inventors. |
| BootP - Boot Protocol/Bootstrap Protocol | An IP network protocol that automatically boots a system and assigns an IP address without user involvement. |
| BPDU - Bridge Protocol Data Unit | A type of network message that transmits STP information between switches. |
| BRI - Basic Rate Interface | A variety of ISDN that uses two 64-Kbps bearer channels and one 16-Kbps data channel, as summarized by the notation 2B+D. |
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