It appears that there are two errors on the i-Net+ practice exam on this site:

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Question: "What describes PUSH Technology?"

Answer: "When you can choose the content that you interested in, and based on your choice the content provider will send you updates at regular intervals"

Isn't that wrong? Push tech is when you get information without requesting for it, right? The way the answers are given on the test, none of the choices seem to be correct! (First answer "A" 'When you send mass email to subscribers is also Pull tech since those people DID subscribe!)

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Question: "Your ISP has assigned you the IP address 190.28.2.100 and a subnet mask 255.255.255.0 He also assigned you the gateway’s IP address. You assigned this IP address, subnet mask and a gateway to your computer and you still cannot access the Internet. What is the most likely cause of the problem?"

Answer: "ISP forgot to make a change on his router."

Shouldn't it be the wrong subnet mask? The IP given is a Class B address but the subnet is a Class C subnet. But in this question at least there's a correct choice to pick from.

Other than that, however, it makes for a very good practice run!

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Q1: I'm afraid you have it backwards. Push technology means that something is pushed to a computer. Sure, the computer has given information as to what information it will accept, but after that, it is fairly complacent. Pull means that the computer goes out and grabs the information.

Mailing lists are a good example of push technology. You don't go to the site all the time to get XXX ads (I assume.) They are pushed onto your computer. These forums are pull technology. You have to come here each time and specifically request the information.

Q2: The answer is right again. You can give a Class address a smaller subnet than necessary. Class A can have a Class A, B or C default subnet address. Class B can have a B or a C. Class C can have a Class C address. By default, a Class A address can have 254 distinct mini networks with over 16 million computers per network. This is unweildy. Subdividing it gives you 64,516 networks with 64,516 hosts is easier to manage.

If you have more questions on subnets, just let us know!

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Really? Well! That certainly clears up a lot! The second question anyway. I've my exam to deal with tomorrow so it's rather fortunate that I get it straight now. Heh! However, the question about Push and Pull technology is still a bit ambiguous. I've check up with the ExamCram book and it specifically states that push tech is when you get info without requesting for it. Same goes for Groth's Sybex book. Therefore, I stand by my initial answer.

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I think I asked the same question about Push and Pull. Someone gave me an answer that helped a lot.

It was that of all the choices which one best applies.

If the provider SENDS updates at regular intervals, you may have requested it but but you are not PULLing it.

Questions on the test might also be ambiguous but if you have to choose an answer I would choose PUSH.

Good Luck on the test!

trebor

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For more subnetting help, feel free to check out my free subnetting and ip addressing guide at www.mcsefreak.com/subnetting.htm
Please let me know if you have any questions!

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try this http://webopedia.internet.com/TERM/p/push.html

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Peter Kett

• A+
  
• i-Net+
  
• Netwotk+
  

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