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How does a host on an Ethernet LAN know when to transmit after a collision has occurred?
1. In a CSMA/CD collision domain, multiple stations can successfully transmit data simultaneously.
2. In a CSMA/CD collision domain, stations must wait until the media is not in use before transmitting.
3. You can improve the CSMA/CD network by adding more hubs.
4. After a collision, the station that detected the collision has first priority to resend the lost data.
5. After a collision, all stations run a random backoff algorithm. When the backoff delay period has expired, all stations have equal priority to transmit data.
Spectrum decision over heterogeneous spectrum band with different characteristics is a challenge in spectrum management.
Two statements are given followed by two conclusions as responses. You have to consider the statements to be true even if they seem to be at variance from the commonly known facts. You have to decide which of the given conclusion(s) can definitely be drawn from the given statements. Statements: Swine flu is spread by the outbreak of Influenza virus. The Government is taking a rigorous action to control the spread of Swine flu. Conclusions: Swine flu is a fatal disease. The Government needs to control the spread of Influenza virus.
Consider the following statements and choose the correct answer:
1. Every species of animal and plant tends to produce more offspring than can survive within the normal range of the organism
2. There is a strong population pressure tending to force the individuals of each species to spread out and become established in new territories
3. The spread of a species is prevented by highways, such as land connections between continents
4. The spread of species is facilitated by geographical barriers, such as oceans, mountains, deserts and large rivers
Researchers have developed a three-person brain network called BrainNet that lets participants send or receive thoughts from each other. Further, researchers claimed that the network records electrical activity and transcranial magnetic stimulation in the brain, to transmit information without invasion as it can send one bit of a data at a time. Which of the following determines the given statement? I: BrainNet records electrical activity and transcranial magnetic stimulation in the brain. II: BrainNet can send more than one bit of data at a time. III:  BrainNet is a three-person brain network developed to transmit information. 
Consider the following statements: 1. In India, the Himalayas are spread over five States only. 2. Western Ghats are spread over five States only. 3. Pulicat Lake is spread over two States only. Which of the statements given above is/are correct?
Consider the following statements regarding the spread of Jainism 1. Mahavira believed in organized Sanghas that would spread his teachings. 2. Jainism spread across Western India and Karnataka. Which of the above statements is correct?
In serial communication, if the time interval to transmit one bit is 10μs. What is the time to transmit an 8-bit word?
In parallel communication, if the time interval to transmit one bit is 10μs. What is the time to transmit an 8-bit word?
Consider a Binary Symmetric Channel (BSC) with probability of error being p. To transmit a bit, say 1, we transmit a sequence of three 1 s. The receiver will interpret the received sequence to represent 1 if at least two bits are 1. The probability that the transmitted bit will be received in error is