Презентация на тему Web-technology networks at various levels

various network protocols
Explain the role of a firewall
Compare and

connected in order to communicate and share resources
Connections between

Can you name some of the devices in a computer network?

rate (bandwidth)
The speed with which data is moved from

Why is bandwidth so key?

in the world of computing called the client/server model

is formatted and processed on a network
File server
A

that connects a relatively small number of machines in

for local-area networks

that connects local-area networks over a potentially large geographic

the planet
So, who owns the Internet?

communicate with other nodes through a wireless access point
Bluetooth
A

that carry Internet traffic, provided by companies such as

computer to the Internet
Phone modem converts computer data into

are faster than 768 kilobits per second
DSL connections and

network
Router
A network device that directs a packet between

packets, and
simulate this process

uses technologies kept private by a particular commercial vendor
Interoperability

break down of network interaction to facilitate communication standards
Each

one relies on the protocols that underlie it
Sometimes referred

packets, hands them off to the IP software for

is faster but less reliable
Ping
A program used to test

Mail Transfer Protocol (SMTP) used to specify transfer of

Which of these have you used?

of files that are included as email attachments or

What does MIME stand for?
Multipurpose Internet Mail Extension

protects a network by filtering the traffic it allows
Access

Have your messages ever been
returned undelivered, blocked by a firewall?

separated by dots that uniquely identifies a computer on

Is there a correspondence between the parts of a hostname and an IP address?

did smartphones contribute to the problem?

2011

IPv6

32 bits organized into 4 groups of 8

FE80:0000:0000:0000:0202:B3FF:FE1E:8329

They work

address that specifies a particular host (machine) on the

system for managing hostname resolution
Domain name server
A computer that

Should the tables containing hostname/IP mappings be sorted or unsorted? Why?

the United States use a top-level domain that corresponds

Have you
emailed
someone
in another
country?

new TLDs that are available as of mid-2014

domain names
Internet began as ARPANET, a project of the

clouds are established for a specific group or organization
Community

of popular social networking sites?
Who uses social networking?
What are

what
were they
given?