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Q. What is Bipolar Encoding?
- Uses three voltage levels negative, positive and zero
- Zero level represents binary 0; 1s are represented with alternating positive and negative voltages even when not consecutive
- Alternate mark inversion (AMI)
Name the factors that affect the performance of the network? a. Number of Users b. Type of transmission medium c. Hardware d. Software
Telephone companies (Telco's) stated ATM to meet various goals. It gives universal service for all support and subscribers for all users for video, voice and data. It has a single
REPEATERS: Repeaters are needed when copper wire communication is takes place. According to the fact that electrical signal goes weaker while travelling over copper lines. A
What is the minimum size of MTU bytes is
What is Frequency borrowing In the simplest case, frequencies are taken from adjacent cells by congested cells. The frequencies can also be assigned to cells dynamically.
Question 1 What is bandwidth? >>What is the bandwidth of a) Telephone signal b) Commercial radio broa
Question: (a) Explain and illustrate different architectures for IEEE802.11 (WiFi). (b) The MAC management of IEEE802.11 handles transmitter activity for power management.
What is Message Oriented Middleware (MOM)? Ans) MOM permits general purpose messages to be exchanged in a Client/Server system using message queues. Applications communicate ove
It is an additional 16-bit number which uniquely identifies the specific service on any given machine on the Internet. Port numbers are 16 bit wide, so each of the computers on the
what is the differnce between noise and distortion
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