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Explain the importance of authentication.
Authentication is the method of verifying a user's credentials before he can log into the network. It is normally performed using a username and password. This gives a secure means of limiting the access from unwanted intruders on the network.
Q. Show about Alternate mark inversion? Bipolar AMI - Neutral, zero voltage represents binary 0 - Binary 1s symbolized by alternating positive and negative voltages
Network layer duties Internetwork - Physical and Data link layers are jointly responsible for data delivery on the network from node to node
Q. Show V.32 standard? - ITU-T's V.32 standard was issued in 1991 for asynchronous and full-duplex operation at 14.4 Kbps. V.32bis - Is an extension of the V.32 technology?
With a database server, the client gives SQL requests as messages to the database server. The results of every SQL command are returned over the network. The server uses its own pr
Explain the transport layer in detail Transport Layer: Transport layer ensures and controls the end-to-end integrity of data message propagated via the network amid two devic
However what if you don't know about the IP address of the computer you wished to connect to? What if you have to access a web server referred to as www.abc.com? How does your web
Describe Ethernet. Ethernet is one of the well-liked networking technologies used these days. It was developed during the early 1970s and is based on specifications as stated i
A mobile host (MH) is connected to a WLAN access network that uses MIP for mobility support. Consider that the RTTs between MH and HA are 0.3s while RTTs within a L2 subnet are 80
- The ISO (International Organisation for Standardisation) is an International standards organisation responsible for a wide range of standards including many that are relevant to
Q. Use of Infrared? - Frequencies among 300 GHz and 400 THz - Short-range communication - High frequencies can't penetrate walls - Necessitate line-of-sight propagati
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