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Frequency Division Multiplexing
Frequency division multiplexing (FDM) is an analogy technique that can be applied when the bandwidth of a link is greater than the combined bandwidths of the single to be transmitted. In FDM the bandwidth is devised into a number of frequency slots each of which can accommodate the single of an individual connection. The multiplexer assigns a frequency slot to each connection and uses modulation the place the single of the carries all the connections. The combined signal is transmitted and the de multiplexer recovers the single corresponding to each connection. Reducing the number of wires that need to be handled reduces the overall cost of the system.
a) Used for sending e-mail. b) Uses port 25.
In this question, we study Nested ESP in AH, that is, we combine ESP with AH. Let's look at the site-to-site VPN scenario shown again in Figure 1. Let's assume that Alice's desktop
On a lan where are ip datagram transported?
In FLSM subnet mask of all subnets will b same. But in FLSM it changes.
Mail Access Protocols The e mail message are usually sent to an email server that stores received message in the recipient e mail mailbox. The user retrieves messa
What is a OSI layer 2 device called a "barter"?
The auxiliary port is used to link a modem to for dial backups.
Explain Point-to-Point connection type. Many point-to-point connections are associated with modems and PSTN (Public Switched Telephone Network) communications.
Question: a) Briefly describe the purpose of Windows Powershell? b) Name three ways software can be installed on Linux? c) What is an interrupt request? d) As the
Can you describe PPP packet format?
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