Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Question:
a) How many bits per second can be sent on a noiseless 4 MHz channel if four-level digital signals are used?
b) If a binary signal is sent over a 3 KHz channel whose SNR is 30 dB, what is the maximum achievable data rate?
c) A modem constellation diagram has data points at the following coordinates: (1,1), (1,-1), (-1,1) and (-1,-1). How many bits per second can a modem with such parameters achieve at 2400 baud?
d)
i) Using an example, explain how CRC is used for error control.
ii) A 50 Km long cable runs at the T1 data rate (1.544 Mbps). The propagation speed in the cable is 200 m/µs. How many bits fit in the cable?
e) Sketch the differential Manchester encoding for the following bit stream: 0011101
Ask You have been asked by a new client to assist in setting up a new computer for her coffee shop. She has just purchased the newest Apple computer from an online site. Should wou
Write down the significance of the syntax conversion . Syntax Conversion is described below: Syntax conversion is a significant function carried out in the presentation layer. I
ADVANCED RESEARCH PROJECT AGENCY (ARPA) The efforts of ARPA was to active all its research groups have accept to new era computers. For this purpose ARPA started investing in wa
Q. Develop a completely secure WSN based on the triple key? Wireless network is the most vulnerable type of network to security attack. Unauthorized access to wireless network
Digital Certificates Digital Certificates are electronic document having key value and identifying information about entity which controls key. Digital signature which is attach
How safe is the encryption of virtual private networks?
Base lining • Organizations do not have any contact to each other • No two organizations are identical to each other • The best practices are a moving target • K
GROWTH OF LAN TECHNOLOGY The production of shared communication channels (LANs) started in 1960s and early 1970. The basic idea behind was to reduce the number of connectio
The best results obtained in the PIIT classes have been when the technique has been used in tutorial groups, rather than have students submit individual reflections on particular c
Question: (a) What is Network Address Translation (NAT)? Why is it used? (b) Given a following information by your ISP about your newly acquired Frame Relay connection:
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd