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The transmitter and receiver are separated by a channel (medium of transmission). What types of channels are available? Please keep it short and simple and please no copy and paste.
Arrival at time t = 1, length 3; arrival at t = 2, length 1. Buffer 3: arrival at time t = 3, length 5. You need to find out the finish tag, order of transmission and actual packet completion times for each packet arrival.
Explain the relationship between privacy and IT. Describe some of the threats to information security and some of the measures you can take to protect information resources.
Assume the material is to be transmitted over T-1 facility (1.544 Mbps). How long will it take, exclusive of overhead, to transmit volume?
In using wireless networking and WEP enabled phone, how is security important? would you trust the methods that exist today to secure these technologies?
Synchronous time division multiplexing is used, along with the standard analog-to-digital sampling rate, and each sample is converted into an 8-bit value?
Suppose the role of IT consultant to new nonprofit organization, Free Flu, that gives flu shots to elderly. The organization requires domain name.
problems of IPV, DNS server software, TCP SYN attack, Ping of Death, Land attack, Teardrop attack, Smurf attack, Fraggle attack
You have been hired by a small company to install backbone to connect four 100base-T Ethernet LANs (each using one 24-port hub) and to give a connection to Internet. Develop simple backbone and determine total cost.
In Lipner's model consider moving the program from development into production. Write down the starting and ending security and integrity levels of this object.
Deduce the expression for link utilization U of a data link which uses sliding-window flow control and returns ACK for every OTHER frame received.
Many desktop computers and laptop computers now include automatic built-in network connectivity. Find and name specific desktop and laptop models which have internal networking capability.
Suppose that the links and routers in the network never fail and that routing paths used between all source/destination pairs remains constant. In this scenario, does a VC or datagram architecture have more traffic overhead. Why?
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