Computer Networks

161. Authentications Center(AuC) is used for

1. Authentication
2. Security by generating authentication algorithms
3. Cryptographic codes
4. All of these

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162. Balanced configurations find use only in the such cases as given below

1. Operation: Full or half duplex
2. Network: Point to Point
3. Both a & b
4. None of these

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163. Bandwidth is expressed as data speed in ____________ digital systems:

1. decibels
2. Hertz
3. Micron
4. bits per second

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164. Base station may also be placed near center of cell and known as

1. Excited cell
2. Center excited cell
3. Center cell
4. None of these

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165. Based on X.25 rules, how many logical channel can be set on a single physical line

1. 256
2. 16
3. 4096
4. 2556

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166. Baud rate determines the bandwidth required to transmit the ____________

1. Signal
2. Data
3. Symbol
4. None of these

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167. Beginning with NetWare 3.x, assistance for ____________ protected mode was included, removing the 16MB memory limit of NetWare 286

1. 16-bit
2. 32-bit
3. 64-bit
4. 128-bit

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168. BER stands for

1. Byte Enquiry Rate
2. Bit Error Rate
3. Burst Enquiry resistance
4. Burst Error Rate

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169. Binary Coded Decimal system makes use of a series of ____________ to represent a decimal number

1. 4
2. 8
3. 16
4. 32

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170. Binary Phase Shift Keying is measured in

1. Decibel
2. Baud
3. Hertz
4. bits per second

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