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IT Test 2 Internet Chapter 13

Terms in this set (21)

Circuit switching
A Dedicated connection is formed between two points and the connection remains active for the duration for the transmission
Packet switching
Does not require a dedicated communications circuit to be maintained; data is broken into packets; packets are sent over various routes at the same time; the packets are reassembled at the destination
How do computers get their IP Addresses?
Static or dynamic
dynamic addressing
using DHCP to assign temporary IP addresses to a group of computers
static addressing
Manually assign a permanent IP address to a computer
HTTP
Protocol used to transfer used to transfer data over the web. Defines commands and services used for transmitting webpage data.
DHCP (Dynamic Host Configuration Protocol)
Protocol used to take a pool of IP addresses and assign them to a group of computers
ISP
A company that provides internet access to individuals and organizations
Internet backbone
The main path, the fastest, the most trafficked path in the interent
IXP
a physical network access point through which major ISP'S connect their networks and exchange traffic
POP (Point of presence)
a way of connecting individuals or organizations network to an ISP's network
Definition of protocol
A set of rules for exchanging electronic information
contents of a packet
Destination address, sender's address, data, reassembly instructoin
Dotted decimal, dotted quad
111.123.32.21; another name for IP address
OC line
High-speed fiber-optic line used as internet backbone
Client/server model
The type of network that the internet uses
TCP/IP
Set of rules governing communication among all devices and the internet
DNS server
A computer of a group of computers that maintain a database to enable a computer to know the IP address of a URL
SMTP (Simple mail transfer protocol
protocol used to transmit email messages
FTP
Protocol used by an application that is mainly used to transfer files from one computer to another computer
What is HTML?
Special Languages used to create webpages
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