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    Telecommunications Interview Questions & Answers

    Below we have listed all the Telecommunications Interview Questions and answers. Feel free to comment on any Telecommunications Interview Questions or answer by the comment feature available on the page.

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    Telecom Interview Questions (21)

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    What is the need of CPG message in ISUP protocol?
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    Purpose of PC(Program Counter) in a MicroProcessor is? a) To store address of TOS(Top Of Stack) b) To store address of next instruction to be executed. c) count the number of instructions. d) to store base address of the stack.
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    What is TCSM ?
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    What is the best Rx power and Tx power at good RF Conditions?
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    How to explain what is ss7?
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    Frequency at which VOICE is sampled is: a) 4 KHz b) 8 KHz c) 16 KHz d) 64 KHz
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    Time taken for 1 satellite hop in voice communication is? a) 1/2 second b) 1 seconds c) 4 seconds d) 2 seconds
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    Memory allocation of variables declared in a program is? a) allocated in RAM. b) allocated in ROM. c) allocated on stack. d) assigned to registers.
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    What is the maximal decimal number that can be accommodated in a byte? a) 128 b) 256 c) 255 d) 512
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    The status of the Kernel is: a) task b) process c) not defined. d) none of the above.
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    A 2MB PCM(pulse code modulation) has? a) 32 channels b) 30 voice channels & 1 signaling channel. c) 31 voice channels & 1 signaling channel. d) 32 channels out of which 30 voice channels, 1 signaling channel, & 1 synchronization channel.
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    Max number of satellite hops allowed in voice communication is: a) only one b) more han one c) two hops d) four hops
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    To send a data packet using datagram , connection will be established? a) before data transmission. b) connection is not established before data transmission. c) no connection is required. d) none of the above.
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    What is Word alignment a) aligning the address to the next word boundary of the machine. b) aligning to an even boundary. c) aligning to a word boundary. d) none of the above.
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    What is the nominal voltage required in subscriber loop connected to local exchange?a) +48 voltsb) -48 voltsc) 230 voltsd) 110 volts
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    A software that allows a personal computer to pretend as a computer terminal is: a) terminal adapter b) bulletin board c) modem d) terminal emulation
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    What action is taken when the processor under execution is interrupted by a non-maskable interrupt? a) Processor serves the interrupt request after completing the execution of the current instruction. b) Processor serves the interrupt request after completing the current task. c) Processor serves the interrupt request immediately. d) Processor serving the interrupt request depends upon the priority of the current task under execution.
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    What is the type of signaling used between two exchanges? a) inband b) common channel signaling c) any of the above d) none of the above.
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    How many T1 facilities the company needs between its office and the PSTN if it has 47 digital telephones, each operating at 64kbps: a. 3 low-speed video machines, each operating at 384kbps b. 1 interactive video system, requiring 1.536 mbps.
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    Conditional results after execution of an instruction in a micro processor is stored in? a) register b) accumulator c) flag register d) flag register part of PSW(Program Status Word)
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