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Exercise 01

Exercise 02

Exercise 03

Exercise 04

Exercise 05

Exercise 06

Exercise 07

Exercise 08

Exercise 09

Exercise 10

Exercise 11

Exercise 12

Exercise 13

Exercise 14

Exercise 15

Exercise 16

Exercise 17

Exercise 18

Exercise 19

Exercise 20

Exercise 21

Exercise 22

Exercise 23

Exercise 24



Exercise 01

What does Cochrane mean by the push revolution?

"Traditionally information has been accessed from the World Wide Web via a request and reply mechanism, also known as pull... (However sometimes) the user only wants to be notified when the data has changed. This requires a push information model ro more ideally publish and subscribe. The user subscribes to information either by narrowed down selection or by profile, ans as information becomes available on the server that matches the user's interests it is 'pushed' out to the client."

 

What are the features of a mission-critical intranet?

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Exercise 02

Use an Internet search engine to find out about the variety of organisations using an intranet site. Try to find a site with an intranet from each of the specialist roles:

 Intranet special role  Name  URL
 Marketing Webbusiness http://webbusiness.cio.com
Supply chain management Studio RTA http://www.shopdirect.com/studiorta/index.htm
 Finance and accounting  IntraNet  http://www.intranet.com/
 Human resource management  Cabinet NG  http://www.cabinetng.net/workflowmanagement.html
 Decision support/workflow management  NetQuorum  http://www.netquorum.com

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Exercise03

1. Define TCP/IP and its importance to the Internet.

TCP/IP stands for "Transmission Control Protocol / Internet Protocol". TCP/IP is the standard method of sending data on the Internet.

TCP (Transimision Control Protocol) is responsible for verifying the correct delivery of data from client to server. Data can be lost in the intermediate network. TCP adds support to detect errors or lost data and to trigger retransmission untill the data is correctly and completely received.

IP (Internet Protocol) is responsible for moving packet of data from node to node. IP forwards each packet based on a four byte destination address (the IP number). The Internet authorities assign ranges of numbers to gateway machines that move data from department to organization to region and then around the world.

 

2. Login to a TCP/IP UNIX machine like golum or athene at Charles Sturt University or your local network machine.

Unable to login due to unavailable of account in both CSU and HELP Institute.

 

3. Note: you may not have the access privilege to use some or all of the TCP/IP programs in question 4 and 5 to follow. Can you explain why that may be the case?

 

4. Use the command below to ping the CSU Web server:

unix> ping www.csu.edu.au

Pinging louise.mit.csu.edu.au [137.166.201.105] with 32 bytes of data:

Reply from 137.166.201.105: bytes=32 time=628ms TTL=244
Reply from 137.166.201.105: bytes=32 time=609ms TTL=244
Reply from 137.166.201.105: bytes=32 time=606ms TTL=244
Reply from 137.166.201.105: bytes=32 time=611ms TTL=244

Ping statistics for 137.166.201.105:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 606ms, Maximum = 628ms, Average = 613ms

"this is the output that i got by using Windows 98"

5. How is the output different to other TCP/IP programs called nslook and traceroute?

 





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