Computer Networks

151. Asynchronous transmission is a ____________ method of transmission in which a sign bit is added to the beginning:

1. Start
2. Stop
3. Start-stop
4. None of these

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152. ATM can support

1. Different speeds
2. Traffic types
3. Quality of service attached to applications
4. All of these

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153. ATM cell has a fixed length of ____________

1. 52bytes
2. 53bytes
3. 54bytes
4. 55bytes

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154. ATM cells coming from a user are guaranteed delivery at the other end with a

1. High probability
2. Low delay
3. Both a & b
4. None of these

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155. ATM is an

1. International Telecommunication
2. International Telecommunication-Union
3. International Telecommunication Union-Telecommunication Standardization Sector(ITU-T)
4. International Telecommunication Union-Telecommunication

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156. ATM is specifically designed as ____________ technology for voice, video, and data

1. Single
2. Double
3. Multiple
4. None of these

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157. ATM networks are

1. Connectionless
2. Interconnected
3. Connection oriented
4. None of these

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158. ATM stands for

1. Automatic taller machine
2. Automated teller machine
3. Automatic transfer machine
4. Automated transfer machine

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159. Attenuation is measured in terms of

1. Hertz
2. Micro
3. decibel
4. Kilometer

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160. AuC is responsible for maintaining all data needed to authenticate a call and to encrypt

1. Voice traffic
2. Signaling messages
3. Both a & b
4. None of these

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