Friday, March 23, 2007

1.What is a server?
"a server is a computer system that provides services to other computer systems—called clients—over a computer network."

2.http://compnetworking.about.com/od/tcpiptutorials/a/ipaddrnotation.htm How many IP addresses can IPv6 handle?
"total of 4,294,967,296 possible IP addreses."

3.What is a computer network?
"A computer network is THREE or more computers connected together using a telecommunication system for the purpose of communicating and sharing resources."

4.Remember traceroute? Check out this cool implementation of it here:
http://visualroute.visualware.com/ and search for any web site you choose. Write a brief review of this Java applet.
Blogger is in chicago
Utube is in chicago
Myspace is in new york


5.On the home side of things, click here: http://computer.howstuffworks.com/home-network.htm Define 'technophile'.
"One who has a love of or enthusiasm for technology, especially computers and high technology"

6.Still at howstuffworks.com, what does a router do?
"Routers are specialized computers that send your messages and those of every other Internet user speeding to their destinations along thousands of pathways. In this article, we'll look at how these behind-the-scenes machines make the Internet work."

7.Consider the question of 'piggy-backingo' off a neighbor's wireless router. Is it the wrong thing to do?
Yes, it's not good it's imoral.


8.Follow the link about 'Phone Line Networking' and summarize how it works in five sentences!
Phone-line networking is one of several ways to connect the computers in your home.
"If your computers are in different rooms, then phone-line networking could be a good solution for you.
Be sure to read
How Home Networking Works, which provides information about configuring your computers, routers and firewalls, Ethernet networking and sharing an Internet connection. There are also articles about power-line networking and wireless networking. By the time you finish this series of articles, you'll be able to choose a network technology that suits your needs and then configure the whole thing!
In this article, we'll talk about phone-line networking and the technology used to make it happen. We'll also discuss the advantages and disadvantages of using a phone-line network."


9.http://www.networkworld.com/newsletters/wireless/2007/0129wireless2.html What is 802.11n all about?
"IEEE 802.11 also known by the brand Wi-Fi, denotes a set of Wireless LAN/WLAN standards developed by working group 11 of the IEEE LAN/MAN Standards Committee (IEEE 802). The term 802.11x is also used to denote this set of standards and is not to be mistaken for any one of its elements. There is no single 802.11x standard. The term IEEE 802.11 is also used to refer to the original 802.11, which is now sometimes called "802.11 legacy"

10.Summarize three other articles at http://www.networkworld.com/.
http://www.networkworld.com/community/?q=node/12490&ts0hb=&story=ht
About MAC not making enough sales.
http://www.networkworld.com/community/?q=node/12722&ts0hb=&story=ht About the Novell/Microsoft partnership.
http://www.networkworld.com/community/?q=node/12707&ts0hb=&story=ht About the technology in 2525.

11.Define 'bandwidth'.
"Bandwidth is a measure of frequency range and is typically measured in hertz. Bandwidth is a central concept in many fields, including information theory, radio communications, signal processing, and spectroscopy. Bandwidth is related to channel capacity for information transmission and often the two can be confused. In particular, in common usage "bandwidth" also refers to data (information) transmission rates when communicating over certain media or devices."

12.Do you think this is cool? http://www.oreillynet.com/cs/weblog/view/wlg/448 Would you ever do such a project?
No, because i'm not intrested in that stuff.

13.What is DNS?
"stores and associates many types of information with domain names; most importantly, it translates domain names (computer hostnames) to IP addresses. It also lists mail exchange servers accepting e-mail for each domain. In providing a worldwide keyword-based redirection service, DNS is an essential component of contemporary Internet use."


14.http://www.webopedia.com/DidYouKnow/Internet/2005/ssl.asp Where can someone get SSL certifications?
"are cryptographic protocols which provide secure communications on the Internet for such things as web browsing, e-mail, Internet faxing, instant messaging and other data transfers. There are slight differences between SSL 3.0 and TLS 1.0, but the protocol remains substantially the same. The term "TLS" as used here applies to both protocols unless clarified by context." Internet.

15.What is a VPN? What is it used for?
"A virtual private network (VPN) is a private communications network often used by companies or organizations, to communicate confidentially over a public network. VPN traffic can be carried over a public networking infrastructure (e.g. the Internet) on top of standard protocols, or over a service provider's private network with a defined Service Level Agreement (SLA) between the VPN customer and the VPN service provider. A VPN can send data e.g. voice, data or video, or a combination of these media, across secured and encrypted private channels between two points."

16.What is an application server used for?
"An application server is a server computer on a computer network dedicated to running certain software applications (as opposed to e.g. a file server or print server)."

17.What is a printer server?
"A print server, or printer server, is a computer or device to which one or more printers are connected, which can accept print jobs from external client computers connected to the print server over a network"

18.What is the difference between an Intranet and Internet?
One is within a sertain network and the other is all over .


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