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Firewall
The NAT router allows receiving of number of a data streams. If it receives a transmission in the form of acknowledgement or data streams or error responses from an external server due to a particular request from an internal user, then it will receive the data, translate the address to local IP address and forward it to the requesting user. By preventing all incoming requests or connections except those expected or permitted, the router acts as a "firewall".
Difference among the communication and transmission? Transmission is a physical movement of information and concern issues as bit polarity, synchronization, clock etc. Commu
What are the main features of TCP connections? Why is it said that TCP provides full-duplex service?
Q. What is Domain Names ? - Full domain name is a sequence of labels separated by dots (.) - Fully competent domain name (FQDN) contains the full name of a host cis.usouthal
Determine about the Address Translation When a Web site address or URL is typed in the Web browser, as www.bbc.com and not as a series of numbers, it is essential for the serv
What is VRC? It is the most common and least costly mechanism for Error Detection. In VRC, a parity bit is added to each data unit so that the total number of 1s becomes even f
Question: (a) How can governments provide the mobile industry with the long-term clarity and certainty it needs to make substantial capital investments in new networks? (b)
FIBER OPTIC EXTENSION: The LAN extension using fiber optic is given in the figure below: Figure The fiber-modem translates digital data into pulses of light the
Question 1 Explain FDM and TDM with example Question 2 Define B-ISDN and explain its services Question 3 What is symmetric key cryptography? Describe one symmetric
Q. What are the Routing Techniques? Routing Routing Techniques Static versus Dynamic Routing Routing Table for classful Addressing Routing Table for Cl
short note on redhat updation details? why redhat is popular?
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