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Problem 1
Bring out the differences between POP and IMAP4
Problem 2
Discuss User Datagram protocol
Problem 3
Explain the various steps in TCP congestion control
Problem 4
Differentiate between FQDN and PQDN
Q Illustrate Return to Zero encoding? - In NRZ-I long strings of 0s may still be a problem - May comprise synchronization as part of the signal for both 1s and 0s - How?
Quetion: A photodiode with a dark current of 10 nA has a responsivity of 0.4 A/W at a certain wavelength. What current flows through the photodiode when it is reverse biased an
Physical Media In order to define what is meant by a physical medium let us reflect on the brief life of a bit. Consider a bit travelling from one end system through a serie
Q. What are the Tools sued for Cryptography and Web Security? Tools - Cryptography VPN - remote access PGP - email Dedicated Circuits -tunnels' - IPSec
Determine about the TCP/IP and OSI model Both models are based on the layered protocols. Both comprise network, transport and application layer. In both the models, transport s
Q. Explain about Bandwidth – delay product? Bandwidth - delay product - A measure of competence of ARQ system = bandwidth (bits per second) * round-trip delay (in seco
Describe any good security technology A good security technology should be powerful enough to support the features that the administrators need, including rules validation to i
Give the types of firewalls Conceptually, there are two types of firewalls: 1. Network Level 2. Application Level Network Level Firewall/Packet Filters The Net
In 3-tier Client/Server systems, the application logic (or process) lives in the middle tier and it is removed from the data and the user interface. In theory, the 3-tier Client/Se
PHYSICAL ADDRESSING IN A WAN: The physical addressing in a WAN is same as in LAN in the following way: The data is send in packets equivalent to frames. Every pack
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