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Infrastructure Chapter 1
Chapter 1
24
Computer Networking
Undergraduate 2
06/27/2012

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Term
network protocols
Definition
provide logical language for communication
Term
Transmission Control/Internet Protocols
Definition
consists of a suite of different protocols that work in concert to allow compurters to work in a TCP/IP network
Term
subnets
Definition
smaller groupings of TCP/IP
Term
host
Definition
computer
Term
IP address
Definition
provides a way to identify a device that is connected to a TCP/IP network and provides a means for one computer to contact another in order to transmit information
Term
network address
Definition
portion of the IP address that is shared by all TCP/IP hosts on a particular host or subnet
Term
host address
Definition
portion of the IP address that is unique to a particular host or computer
Term
subnet mask
Definition
used to identify which network the TCP/IP host resides on by defining where the network address stops and the host address begins
Term
default gateway
Definition
Allows the host to communicate with devices that reside on a remote network or location
Term
IP Version 4 (IPv4)
Definition
used with a 32 bit ip addressing scheme and four bytes
Term
IP Version 6 (IPv6)
Definition
Used with a 64 bit addressing scheme
Term
classful addressing
Definition
which the field for the network number was a different length for different classes of network and the remaining bits were used for the host number
Term
Internet Service Provider
Definition
The outside source where your network gets connection from
Term
Classless Inter-Domain Routing (CIDR)
Definition
creates a hierarchical addressing structure by breaking the network address space into blocks which are identified by the leading bit string
Term
subnetting
Definition
logical partitioning of an organizations network address range into smaller blocks by using a subnet mask to further distinguish the contents of the network address as a subnet number and a subnet address block
Term
Network address translation (NAT)
Definition
ENABLES ROUTING BY MAPPING THERE PRIVATE NETWORK ADDRESS TO A DIFFERENT ROUTABLE NETWORK ADDRESS
Term
name resolution
Definition
process of obtaining an IP address for a computer name
Term
HOSTS files
Definition
text files that handled name resolution before the internet
Term
fully qualified domain name (FQDN)
Definition
describes the exact relationship between a host and its DNS domain
Term
Dynamic Host Configuration Protocol (DHCP)
Definition
mechanism for convienently assigning network ip addresses and other network configuration parameters to a system upon request
Term
static IP addresses
Definition
must be configured and maintained manually
Term
DHCP realy agent
Definition
is either a host or an IP router that listens for DHCP client messages
Term
Automatic Private IP Addressing (APIPA)
Definition
AUTOMATICALLY GIVEN ip ADDRESS WITHOUT dhcp
Term
Routing
Definition
process of transfering data from one LAN to another
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