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83 Cards in this Set
- Front
- Back
CSMA/CD |
Carrier sense multiple access with Collision detection, the ethernet Lan media access method |
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Frame |
A format that provides a grouping of information for transmission |
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OUI, organizationally unique identifier |
The first three bytes of the MAC address that identifies the manufacturer of the network Hardware |
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IANA |
Internet assigned numbers Authority, the agency that assigns IP addresses to computer network |
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SPI, stateful packet inspection |
a type of firewall that inspects incoming data packets to make sure they correspond to an outgoing request |
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NAT , Network address translation |
A technique that involves translating a private IP address to a public address for routing over the internet |
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ICMP |
Internet control message protocol, which verifies that messages are being delivered |
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EIA |
Electronic Industries Alliance |
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TIA |
Telecommunications industry Association |
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EIA/TIA 568-B |
The standard that defines the 6 subsystems of a structured cabling system |
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TCO |
Telecommunications Outlet |
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Refractive index |
The ratio of the speed of light in free space to its speed in a given material |
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Numerical aperture |
A measure of a fibers ability to accept light |
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Pulse dispersion |
Stretching of received pulse-width because of multiple paths taken by the Light |
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Graded index fiber |
Fiber in which the index of refraction is gradually varied with a parabolic profile |
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Mode field diameter |
The actual guided Optical power distribution, which is typically a micron or so larger then the core diameter. Single mode fiber specifications typically list the mode field diameter. |
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Basic service set, BSS |
Term used to describe an independent Network |
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Ad hoc |
Another Term used to describe an independent Network |
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Extended service set, ESS |
A network with multiple access points to extend user Mobility |
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DSSS |
Direct sequence spread Spectrum |
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ISM BAND |
Industrial, scientific, and medical band |
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FHSS |
Frequency hopping Spread Spectrum |
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Pseudo-random |
A number sequence that appears random but actually repeats |
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Hopping sequence |
The order of frequency changes |
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Ofdm |
Orthogonal frequency-division multiplexing |
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U-NII |
Unlicensed National information infrastructure |
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Beamforming |
A technique used to direct transmission of the radio signal to a specific device |
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Paging procedure |
A process used to establish and synchronize a connection between two Bluetooth devices |
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Slotted aloha |
A wireless network communications protocol similar to the ethernet protocol |
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NCP |
Network control protocol |
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Arpanet |
Advanced research projects agency Network |
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Well known ports |
Ports reserved by ICANN 0-1023 |
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ICANN |
Internet Corporation for assigned names and numbers |
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Transport layer protocols |
Protocols that Define the type of connection established between hosts and how acknowledgements are sent |
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Internet layer |
The layer of the TCP IP model that defines the protocols used for addressing and routing data packets |
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ARP |
Address resolution protocol which is used to map an IP address to a MAC address |
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RIRs |
Regional internet registries, IANA designated governing organizations responsible for IP address allocation by geographic location |
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ARIN |
American registry for internet numbers |
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Classful |
Indicates that IP and subnet addresses are within the same network |
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Supernetting |
A technique that allows multiple networks to be specified by one subnet mask |
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CIDR |
Classless interdomain routing |
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Prefix length notation |
A shorthand technique for writing the subnet mask in which class boundaries are not crossed |
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Cidr block |
The grouping of two or more class networks together, also called supernetting |
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Full IPv6 address |
An address in which all 32 hexadecimal positions contain a value other than zero |
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Unicast address |
An address that is used to identify a single network interface address, with data package sent directly to the computer with the specified IPv6 address |
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VLAN |
A group of host computers and servers that are configured as if they are in the same Lan even if they reside across routers in separate LANs |
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Tag based VLAN |
A VLAN in which the VLAN ID is based on 802. 1q |
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Management information base, MIB |
A collection of standard objects that are used to obtain configuration parameters and performance data on a networking device |
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NTP |
Network time protocol |
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RAS |
Remote access server |
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What record specifies the email handling server on the domain? |
MX record |
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Hssi |
High speed serial interface |
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OC |
Optical carrier |
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CSU/DSU |
Channel Service Unit, data service unit |
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Hdlc |
High level data link control |
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PPP |
Point-to-point protocol |
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Asymmetric operation |
Mode of operation in which the data transfer rates to and from the service provider differ |
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RAS |
Remote access server |
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BOOTP |
Bootstrap protocol |
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Unicast |
A transmission in which a packet has a fixed destination |
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MT Discover |
Message type discover, a DHCP discover packet |
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NOC |
Network operations center |
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Forward DNS, forward Zone |
Translation of a name to an IP address |
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TLD |
Top level domain |
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Root servers |
A group of servers that exist using well-known IP addresses that have been programmed into DNS servers |
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IANA |
Internet assigned numbers Authority |
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ICANN |
Internet Corporation for assigned names and numbers |
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Domain registrar |
An organization that is authorized to register Internet domain names |
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PTR record, pointer record |
The reverse of an A record |
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Cname record, canonical name record |
An alias of a hostname |
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SPF |
Sender policy framework |
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DKIM |
Domain Keys identified mail |
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Directed broadcast |
A broadcast that is sent to a specific subnet |
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Naqc |
Network access quarantine control |
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Access-list permit IP Any any |
The instruction added to the last line of an access list to allow all other data packets to enter and exit the router |
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GRE |
Generic routing encapsulation |
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Md5 |
Message digest 5 |
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L2f |
Layer 2 forwarding |
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L2tp |
Layer 2 tunneling protocol |
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ESP |
Encapsulating security protocol |
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SHA-1 |
Secure hash algorithm |
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ISAKMP |
Internet Security Association and Key Management protocol |
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CCMP |
Counter mode with Cipher block chaining message authentication code protocol |