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VPN Technology
For an organization VPN technology uses some main techniques for privacy
a.Encryption /Authentication
b.Tunnelling
c.Fire walls
Q. Explain Session Layer in osi model? - The session layer defines how to control, start and end conversations (called sessions) between applications. - This includes the c
Q. Example of go back - N protocol? The window size is 4. A sender has sent frame 6 as well as the timer expires for frame 3 (frame 3 not ACKn'd). The sender goes back as we
Nonselective fading and Selective fading Nonselective fading, is a fading in which all frequency methods of the received signal fluctuate in the similar proportions simultaneo
What is difference between Baseband and Broadband Transmission in ccna? Ans) In a baseband transmission, the entire bandwidth of the cable is consumed by a one signal. In bro
Q. OSI Network Layer Addressing ISO/IEC and CCITT mutually administer the global network addressing domain. The primary hierarchical decomposition of the address is defined
Unbound Transmission Media Unbound transmission media extend beyond the limiting confines of cabling. They give a good communication alternative for WANS. The lack of physical
advantage og stored program control automation
Torus: The mesh network with wrap around connections is termed as Tours Network. Figure: Torus network
CAM- Content Address Memory. Its another name of MAC address table.
QUESTION a) National regulations require the availability of the following services for all IP to PSTN, PSTN to IP, and IP to IP calls. Name any three types of these features
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