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Q. What do you mean by Modems?
Telephone Modems
- A telephone line has a bandwidth of approximately 2400 Hz for data transmission
A carrier is frequency modulated with a sinusoidal signal of 2 kHz, resulting in a maximum frequency deviation of 5 kHz. (a) Find the bandwidth of the modulated signal (b) The ampl
Tree topology Comments 1 - This features star nodes on a bus network 2 - All the disadvantages and advantages of both types of networks described above apply to this s
Determine the term - Backend LAN Backend networks are used to interconnect large systems like mainframes, supercomputers, and mass storage devices. The key needs here is for bu
What is the Frame A presentation format, which enables Web page designers and users to mark a part of the screen for links to other pages. Frames usually appear on the left
The original IP address procedure divides host addresses into three base classes. The class of an address calculates the boundary between the network suffix and prefix. The origina
What is Wired Equivalent Privacy?
Q. What are the Tools sued for Cryptography and Web Security? Tools - Cryptography VPN - remote access PGP - email Dedicated Circuits -tunnels' - IPSec
State the reason for Intranet system breaks down Care must be taken to ensure that proper spare parts are available even after about five years of commissioning. In addition t
What are reasons behind using layered protocols Reasons for using layered protocols, using them leads to breaking up design problem into smaller more manageable pieces and lay
Network Criteria - Performance - It is able to be measured by transit time and response time. Affected by type of medium, number of users and connected HW/SW - Reliability
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