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Assume the following 64-bit DES key (expressed in hexadecimal): FEFE FEFE FEFE FEFE (a) What is the term for such a key? (b) State the value of each of the 48-bit round keys
Explain Persistence timer? To deal with the zero-size windows What if a receiver advertises that the window size is 0 (by sending ACK) and this ACK is lost? - A
Determine the disadvantages of SOCKS protocol The main problem with SOCKS is that it lacks transparency to software developers and users. Implementation requires a change to
A subnet is the part of an IP network.
An FDDI frame or Token Ring frames those points to serious problem with the ring, like a broken cable. The beacon frame carries the address of the station thought to be down.
how tcp is redefined for wireless network
Source to Destination Data Transfer - Datagram approach - Each packet is treated independently. - Every pkt will take its own path to reach the destination. - There i
Q. Show a simplex Stop and Wait automatic repeat request? A simplex Stop and Wait ARQ - Normal Operation - Frame lost - Acknowledgement lost - Acknowledgement de
a) What does the "CD" mean in the CSMA/CD? How is it implemented in the Ethernet? b) Consider an Ethernet hub with 8 ports and an Ethernet switch with 8 ports. In both cases
Q. How is computer networks used in sales and marketing? Marketing and sales: Computer networks are used extensively in both marketing and sales organizations. Marketing pr
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