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Address Resolution Protocol resolves the MAC address if the IP address is known. It is a layer 3 protocol.
Tunnelling To guarantee privacy for the organization, VPN specifies that each IP datagram destined for private use of the organization, must first be encrypted and then en
Question 1 What is bandwidth? >>What is the bandwidth of a) Telephone signal b) Commercial radio broa
The science and art of manipulating messages in order to create them secure is known as cryptography..... Two types are:- Symmetric key cryptography and Asymmetric key crypto
Efficiency of a data communications system depends on three fundamental characteristics - Delivery: The system should deliver data to the correct destination. Data should be r
Why it is necessary to have layering in a network? A computer network is a very complex system. It becomes very difficult to execute as a single entity. The layered approach di
Troubleshoot and Correct VTP and Configuration Errors When all errors are corrected, you should be capable to ping PC4 from PC1, PC5 from PC2, and PC6 from PC3. You should also
What is meant by Symmentric Multiprocessing (SMP)? It treats all processors as equal. Any processor can do the work of any other processor. Applications are divided into thread
Internet Backbone Internet backbone is the physical networks ( usually relying on fiber optic cable ) that carries internet traffic between different networks and i
Thus now you know how packets travel from one computer to another computer over the Internet. however what's in-between? What in fact makes up the Internet infrastructure or backbo
What are the disadvantages of Star Topology? The disadvantages are considered as follows: a. Needs more cable than most topologies. b. Moderately complex to install.
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