Show:
Servers
Receivers
the Internet
domain and host
Others
100

WWW.

World Wide Web, a system of linked web pages accessed via the Internet.


100
Packet
the unit of data that is routed between an origin and a destination on the Internet or any other packet-switched network
100

What is the difference between the Internet and the World Wide Web?


The Internet is the global network of computers and devices connected together, while the World Wide Web (WWW) is a system of web pages and resources accessed over the Internet.


100
Domain
Identification label that defines a realm of administrative autonomy, authority, or control on the Internet, based on the Domain Name System (DNS).
100
TTL
The field used in a protocol (such as DNS or ICMP) to indicate how many more network hops are allowed before the packet is dropped (discarded) (and, in terms of a TCP protocol as opposed to a UDP protocol) an error returned to the sender.
200
Server Load
The number that is usually under the x.xx format and can have values starting from 0.00. It expresses how may processes are waiting in the queue to access the processor(s)
200
Firewall
a part of a computer system or network that is designed to block unauthorized access while permitting authorized communications
200
Proxy
A computer network service that allows clients to make indirect network connections to other network services
200
Sub domain
a way to divide your site into sections with short and easy to remember names
200
WHOIS
A part of the DNS which allows you to look up who owns a particular domain name or IP address
300
Root server
A central computer on the Internet that stores information about all the registered domain names
300
Port
a specific place for being physically connected to some other device, usually with a socket and plug of some kind
300
Cache
a component that improves performance by transparently storing data such that future requests for that data can be served faster
300
Top-level domain
Terms referring to all the suffixes on the end of the domain name proper: .COM, .NET, .ORG, .BIZ, .US, etc.
300
Query
A specification for a set of data to retrieve from a data source
400
Server redundancy
Multiple servers are used to perform the same task.
400
router
device or, in some cases, software in a computer, that determines the next network point to which a packet should be forwarded toward its destination
400
IP address
A unique number which identifies a computer and its location on the internet
400
Host
Computer connected to the system
400
request
a command to the server
500
Server
any combination of hardware or software designed to provide services to clients
500
Client
any computer that is hooked up to a computer network
500
ISP
a company that offers its customers access to the Internet
500
Host name
A label that is assigned to a device connected to a computer network and that is used to identify the device in various forms of electronic communication such as the World Wide Web
500

Explain the role of a router in a network.



  1. Directs data between networks and devices, ensuring packets reach their destinat