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Three layers are called upper layers
a) Application Layer - 7
b) Presentation Layer - 6
c) Session Layer - 5
DNS Working While discussing about the working of the DNS, there are many things which need to consider and play Avery significant role. This can the type of communication bet
Q. Explain about Twisted-Pair Cable? - Two conductors surrounded by insulating material - One wire utilize to carry signals and other used as a ground reference - Twistin
As discussed in the earlier section each computer linked to the Internet has a unique address. Let's assume your IP address is 1.2.3.4 & you wish to send a message to the computer
Control Frame: set_successor Station X wants to leave Successor S Predecessor P X sends set_successor frame to P With S as data field P changes its
Question 1 Explain classification of computer Network by range Question 2 Explain three major problems of Transmission lines Question 3 What is the maximum data rate of
Root DNS Servers A root server is a serve which consists of the entire hierarchy of servers. A root server usually does not store any information about domains but
What is DNS? DNS is Domain Name System. The major function of this network service is to provide host names to TCP/IP address resolution.
Point out the disadvantages of Ring Topology. The drawbacks of ring topologies are: a. It is considerably complex to install and reconfigure ring topology b. Media failur
When the signal hits to each other, collision accord.
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.
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