Computer Networks

1121. Which number caller used to reach a mobile subscriber

1. MSISDN number
2. IMSI number
3. TMSI number
4. MSRN

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1122. Which number of MSISDN is the address of the GSM provider

1. Country code(such as 91 for India)
2. National subscriber destination code
3. Subscriber number
4. All of these

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1123. Which one is a pull kind of protocol

1. SMTP
2. POP3
3. IMAP
4. Both b & c

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1124. Which one is a push kind of protocol

1. SMTP
2. POP3
3. IMAP
4. All of these

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1125. Which one is the important protocol used by the data link layer

1. Sliding protocol
2. Sliding Window protocol
3. Stop sliding approach
4. None of these

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1126. Which OSI model supports the interconnection of different implementations of various autonomous layers

1. Modularity
2. Inter-layer interactions
3. Both a & b
4. None of these

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1127. Which other function include ____________ and identification of port number

1. Sequence control
2. Error recovery and control
3. Flow control
4. All of these

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1128. Which protocol are used in link state type routing protocol developed for use in large scale network

1. OSPF(Open Shortest Path First)
2. IS-IS(Intermediate System to Intermediate System)
3. Both a & b
4. None of these

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1129. Which protocol enables the source machine to possess more than one outstanding frame at a time by using buffers

1. Stop ARQ
2. Wait ARQ
3. Go back-N ARQ
4. Both a & b

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1130. Which protocol is for data transmission and is bi-directional, used in the data link layer that corresponds to layer 2 of OSI model

1. Sending window
2. Sliding window protocol
3. Stop and wait ARQ
4. Sliding window

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