Question | Answer |
default gateway | the default gateway, a computer on a network will use to access another network unless it knows to specifically use another gateway for quicker access to that network |
DHCP (Dynamic Host Configuration Protocol) server | a DHCP server service that assigns dynamic IP addresses to computers on a network when they first access the network |
DNS (Domain Name System, or Domain Name Service) | A distributed pool of DNS information (called the name space) that keeps track of assigned domain names and their corresponding IP addresses, and the system that allows a host to locate information in the pool. |
DNS server | a computer that DNS server can find an IP address for another computer when only the domain name is known. |
domain name | a unique domain name, text based name that identifies a network |
dynamic IP | an assigned dynamic IP address that is used for the current session only |
Ethernet | the most popular ethernet LAN architecture that can run at 10 Mbps, 100 Mbps, or 1 Gbps. |
Fast Ethernet Fiber Distributed Data Interface (FDDI) | a ring based FDDI network that does not require a centralized hub and can transfer data at a rate of 100 Mbps |
frame | the header frame and trailer information added to data to form a data packet to be sent over a network |
full duplex | communication that full duplex happens in two directions at the same time |
fully qualified domain name (FQDN) | a host FQDN name and domain name. |
gateway | a computer gateway or other device that connects networks. |
General Packet Radio Service (GPRS) | a protocol GPRS standard that can be used by GSM or TDMA on a cellular WAN to send voice, text, or video data in packets similar to VoIP. |
Gigabit Ethernet | the next generation of ethernet. GB Ethernet supports rates of data transfer up to 1 gigabit per second, but is not widely used yet. |
half duplex | communication between two devices whereby transmission takes place in only one direction at a time. |
hardware address | MAC address; a 48bit hardware address unique to each NIC card and assigned by the manufacturer. Also known as a physical address, an adapter address or a hardware address. |
host | Any computer or other device on a network that has been assigned an IP address. Also called a node. |
host name | A name that identifies a computer, printer, or other device on a network. |
hub | A network device or box that provides a central location to connect cables |