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Q. Show the Data Encryption Standard?
Data Encryption Standard
- Bit-level encryption method designed by IBM
- Adopted as standard for nonmilitary and nonclassified use
- Encrypts 64-bit plain text using a 56-bit key
- Uses 19 different and complex procedures of transpositions, substitutions, swapping, exclusive ORs, and rotations to create a 64-bit ciphertext.
Lat take the CONNECT (client side), LISTEN, and ACCEPT (server side) socket primitives a) Why are these three needed for a TCP connection? b) Why are none of them needed for a U
Sequence Number After the bytes have been numbered TCP assigns a sequence number to each segment that is being sent. These sequence number for each segment is the numb
Q. What is Retransmission timer? Retransmission timer if an ACK is received previous to the timer goes off - destroy the timer if the timer goes off before ACK a
SONET STS SONET defines a hierarchy of signalling levels called as STSs (Synchronous Transport Signals). Every STS level supports a certain data rate specified in megabits p
What are the Communication tools ? Voice mail ? Email ? Fax ? Video conferencing applications
Describe about the Network equipment and connectivity Network equipment and connectivity should address various networking equipments such as routers, types of cables, as well
UDP is connectionless, and does not give error checking. But remember, error checking can happen at other layers too.
Which command saves the configuration stored in RAM to NVRAM Ans) copy running-config startup-config is the command which saves the configuration stored in RAM to NVRAM
Features 1. Simple to install; 2. Simple to configure; 3. Multiple applications from one user can implement; 4. Multiple users can each use PVM concurrently; 5. C, C++, and
Q. Show Infrared Applications? - Wide bandwidth accessible for data transmission - Communication between mice, PCs, keyboards, and printers Media selection - Every
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