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Q. Show the Refraction and Reflection in Fiber-optic cable ?
- Refraction often takes place when light bends as it passes from one medium to another less dense medium
- When this angle consequences in a refraction great enough reflection occurs and the light no longer passes into the less dense medium
Reflection
- Optical fibers utilize reflection to guide light through a channel
- Information is encoded onto a beam of light like a series of on-off pulses representing 1s and 0s
UDP is connectionless, and does not give error checking. But remember, error checking can happen at other layers too.
What is SMTP? SMTP is short for Simple Mail Transfer Protocol. This protocol deals with all internal mail, and gives the essential mail delivery services on the TCP/IP protocol
Full form of MAU - Multistation Access Unit
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Q. Define Name Space in domain name system? - All names assigned to machines on an internet - Must be unique; either flat or hierarchical - Flat name space - name is assi
differntiate between error control and flow control in data link layer
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
A logical circuit that is created by Virtual channel links. It carries data among two endpoints in a network. The one more name for Virtual Channel is Virtual Circuit.
Q1. What advantages do you see in having a layered concept of computer networks? Which layers or OSI structure deals with identification of a host? Explain the proces
Process of Securing an Intranet Securing an Intranet is not a simple task. Mere installation of firewall hardware and software would not help the Intranet to protect itself. P
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