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Q. Explain Simple Mail Transfer Protocol?
Electronic Mail
-Simple Mail Transfer Protocol (SMTP) is used to support email on the Internet
-Addressing consists of two parts: a local part and a domain name, separated by an @ sign
-Local part defines the user mailbox
-Domain name defines the mail exchanger for the organization
What is CRC and Checksum CRC (Cyclic redudancy check) CRC, is the most powerful of the redundancy checking methods, is based on binary division. Checksum Checksum
State the Network environment of Intranets and Internet Intranets as well as the Internet are based purely on networks, the company intending to install Intranet must consider
Q. Explain File Transfer Protocol? - File Transfer Protocol (FTP) is a TCP/IP client-server application for copying files from one host to another -- Establishes two connect
Recognize the mode reflected by the following prompt 'Router '? Ans) RXBoot
A modified NRZ code known as enhanced-NRZ (E-NRZ) operates on 7-bit words; inverting bits 2,3,6 and 7; and adding one parity bit to each word. The parity bit is chosen to make the
QUESTION a) How is an Intranet different from an Internet? b) State the main differences between a router and a switch c) Explain the function of a modem d) Calculate
Consider a simple wireless data link using channel bandwidth of 40 kHz. The transmit power level is 20 dBm, the link attenuation is 40 dB and the SNRdB at the receiver is 20 dB.
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. Show the Character-level Encryption? - Substitutional - Monoalphabetic - simplest form; also called Caesar cipher - Every character is replaced with another character
MULTICASTING : The answer to above problem is multicasting. It is the normal form of broadcasting. It acts like broadcasting however it does not broadcast frames automatically
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