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Alice sends a message to Bob, encrypted with a symmetric key. Bob decrypts the message and finds it is a purchase order for an expensive workstation. When the time comes to deliver the workstation, Alice denies ever placing the order. Is it possible for Bob to prove to a third party that Alice sent the order? Why or why not?
The LAN switch copies the whole frame into its onboard buffers and then looks up the destination address in its forwarding, or switching, table and verifies the outgoing interface
What is ARCNet? The Attached Resource Computer Network (ARCNet) standard was formed in 1977 at the Data Point Corporation by a scientist - John Murphy. ARCNet uses the toke
Q. Permutation representation through Matrix? Figure: Clos Network The functioning of this above permutation is displayed in Figure. This permutation is able to
Layered Architecture The best way to understand any complex system is to break it into pieces and then analyze what they do and how they interact. The most logical app
Fragmentation - Wireless environment is very noisy - Corrupt frames must be retransmitted - Large frames must be divided into smaller ones to increase efficiency
Q. Illustrate Go Back - N protocol? Go Back - N - Sender window size - Receiver window size = 1 - Why the names go back- N? - When the frame is spoilt the sende
FORMAT OF HARDWARE ADDRESS: It have of a numeric value and its size is chosen for specific network technology. The length of the message format is one to six bytes.
Types of VTs There are several option for payload are actually mapped into the VT. Locked mode VTs bypass the pointers with a fixed byte oriented mapping of limited flexi
Advantage of IP sec Tunnelling Mode IP Sec tunnelling mode has the following advantages: a.Security : Ts IP sec tunnelling mode secure somewhat but not the best. In a
Questions: A signal of amplitude 10 mV is fed to the amplifier in the figure. What is the amplitude of the voltage at the output from the amplifier?
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