All About Networking: Network Intro

Network Intro Questions

What is a Network?

     2. Using Bubbl us, brainstorm all the features, functions and use of a network

      3. What are protocols?

  4. Describe handshaking. (p. 210)

  5. Desribe the following protocols
i) TCP/IP
ii) HTTP
iii) FTP
iv) SMTP
v) IPX/SPX
vi) Netbui
vii) Appletalk

6. Provide a description and a picture of the following
i) Simplex transmission
ii) Half duplex transmission
iii) Full duplex transmssion

  7. Define the following rates of transmission (p. 212)
i) Bits per second (bps)
ii) Baud rate

  8. Compare and contrast Parallel and Serial Tranmission types (p. 213)

  9. Add a picture to represent

i) Parallel Transmission and

ii) Serial Transmission

10. Provide an overview of Bandwidth (p. 214)

11. Provide an overview of Wired Media. Include

i) Coaxial,

ii) Fibre Optic

iii) Twisted Pair cable in your overview (p. 215)

12. Add a labelled picture of

i) Coaxial Cable and

ii) Fibre Optic and

iii) Twisted Pair Cable

13. Give an overview of packet switching in networks. (p. 216-217)

14. Define the following types of networks and provide an example and picture of each.

i) Local area network (LAN) - definition, example and picture

ii) Wide area network (WAN) -definition, example and picture

iii) Client-server network - definition, example and picture

iv) Peer to Peer networks - definition, example and picture

15. Explain what a torrent file is. How and why they are used. An example of a torrent program and what type of network (from q. 14) they are.

1) What is a Network??

A network is a communication system that allows two or more computers and their peripheral devices to be conected in order to exchange data or information within a computer system and within networks. Networks can be small or large, permanently connected through wires or cables, or temporarily connected theough phone lines or wireless transmissions. The simplest network is two computers directly connected to each other using a cable.

2) My Bubbl.us brainstorm.

3) What are protocols?

A protocol is a set of rules that controls the movement of data. There are many of these rules on a network for different purposes and situations. The hardware requires one set of rules, the software a second set of rules, and the transfer of data yet another set of rules.

4) Describe handshaking

Handshaking is the exchange of agreed rules at the beginning of any conenction between nodes. Whenever a network transfers data, the rules must first be checked. Both the sender and the receiver must use the same rules so that they can clearly understand the processes they will use to transmit.

5) Describe the following protcols

i) TCP/IP: Short for Transmission ControlProtocol/Internet Protocol, the suite of communications protocols used to connect hosts on the Internet. TCP/IP uses several protocols, the two main ones being TCP and IP.

ii) HTTP: Short for HyperText Transfer Protocol, the underlying protocol used by theWorld Wide Web. HTTP defines how messages are formatted and transmitted, and what actions Web servers and browsers should take in response to various commands.

iii) FTP: FTP is an acronym for File Transfer Protocol. As the name suggests, FTP is used to transfer files between computers on a network. You can use FTP to exchange files between computer accounts, transfer files between an account and a desktop computer, or access online software archives.

iv) SMTP: SMTP stands for Simple Mail Transfer Protocol. It's a set of communication guidelines that allow software to transmit email over the Internet.

v) IPX/SPX: Short for Internetwork Packet Exchange, a networking protocol used by theNovell NetWare operating systems. Like UDP/IP, IPX is a datagram protocol used for connectionless communications. Higher-level protocols, such as SPX and NCP, are used for additional error recovery services.

vi) Netbui:

NetBEUI (NetBIOS Extended User Interface) is a new, extended version of NetBIOS, the program that lets computers communicate within a local area network.

vii) Appletalk:

AppleTalk is a set of local area network communication protocols originally created for Apple computers. An AppleTalk network can support up to 32 devices and data can be exchanged at a speed of 230.4 kilobits per second (Kbps).

6. Provide a description and a picture of the following

i) Simplex transmission

Alternatively referred to as simplex communication or simplex transmission, simplex is a one-way only communication standard. Broadcast information, or data, can only travel in one direction, versus duplex which allows for two-way broadcasting.

ii) Half duplex transmission

Half-duplex data transmission means that data can be transmitted in both directions on a signal carrier, but not at the same time.

iii) Full duplex transmssion

Refers to the transmission of data in two directions simultaneously. For example, a telephone is a full-duplex device because both parties can talk at once.

7. Define the following rates of transmission (p. 212)
i) Bits per second (bps)

In data communications, bits per second (abbreviated bps or bit/sec) is a common measure of data speed for computer modems and transmission carriers.

ii) Baud rate

symbols per second or pulses per second. It is the unit of symbol rate, also known asbaud rate or modulation rate; the number of distinct symbol changes (signaling events) made to the transmission medium per second in a digitally modulated signal or a line code.

8. Compare and contrast Parallel and Serial Tranmission types (p. 213)

Parallel is where each bit in a byte is transmitted along individual channels or wires so that multiple bits (in bytes or groups of bytes) are sent at the same time.

9. Add a picture to represent