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Message forwarding
A computer in the Computing Department has just been turned on. The user starts up their web browser and requests to see the Macquarie University home page. The home page www.mq.edu.au resides on a server on the administration subnet.!
Describe what happens in getting this request message to the server and how the server gets the response message back to the client.!You should assume (for now, because the MQ network is a bit more complex as will be explained in later lectures) there is one router that connects the Computing network to the Administration network. Each of these networks is a switched LAN.!
You should tell the story of the messages, starting from how the browser formats the request, how it progresses through the stack layers. What happens when we get to the Internet layer (since this machine has not contacted the network before)? What happens in the Data Link layer? What does the switch do? What does the router do? What layers are involved at the switch and the router. How does the server stack deliver the packet to the HTTP server software?!
Find out the required bit rate. Suppose that the sampling rate is 8000 samples per second and that one framing bit is added to each frame.
Suppose the role of IT consultant to new nonprofit organization, Free Flu, that gives flu shots to elderly. The organization requires domain name.
Input stream to 4B/5B block encoder is 0100 0000 0000 0000 0000 OOOI. Answer the following questions: Determine length of longest consecutive sequence of Os in input?
In using wireless networking and WEP enabled phone, how is security important? would you trust the methods that exist today to secure these technologies?
Determine the maximum size of set L such that TCP sequence number doesn't run out? Remember TCP sequence number field size is 4 bytes.
You will learn how to use the Encrypting File System in this activity. You will create a folder, copy a file to the folder, and then encrypt the folder's contents
Write the explanation for why your tablespace might have problem, and write at least two actions you can take to decrease problem.
Individual employees also should be able to control resources on their own machines. Would you select peer-to-peer, a server-based, or hybrid network? Explain why?
According to data from Marketing Sherpa, approximately 64% of "key decision makers" are reading messages on a BlackBerry or other mobile device. What considerations we must be aware with email design? Is it an issue?
Consider this scenario. A new three level building will be built to accommodate three computer labs. It will be a separate building from the existing one. Each level will accommodate one lab. 50 personal computers (PCs) and a shared printer will b..
Find that distance with which the tasks are feasibly scheduled and Show the working of LDCR and MDCR protocol on the given message set
Explain in detail how PKCS (Public-Key Cryptography Standard), when combined with the RSA algorithm, can thwart Eve's attempt at discovering the encrypted figure.
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