Just Crack Interview

Telecommunication interview questions

50 questions. Tap “Show answer” to check yourself.

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  1. When a C function call is made, the order in which parameters passed to the function are pushed into the stack is:a) left to rightb) right to leftc) bigger variables are moved first than the smaller variales.d) smaller variables are moved first than the b

  2. What is TCSM ?

  3. What is the procedure if I want to move house?

  4. 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.

  5. What is the nominal voltage required in subscriber loop connected to local exchange?a) +48 voltsb) -48 voltsc) 230 voltsd) 110 volts

  6. What is a Broadband modem?

  7. 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.

  8. Can I connect several computers to the Internet with Global Telecom Broadband?

  9. Max number of satellite hops allowed in voice communication is:a) only oneb) more han onec) two hopsd) four hops

  10. How to explain what is ss7?

  11. What is Buffering a) the process of temporarily storing the data to allow for small variation in device speedsb) a method to reduce cross talksc) storage of data within transmitting medium until the receiver is ready to receive.d) a method to reduce routi

  12. What is the best Rx power and Tx power at good RF Conditions?

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  14. A 2MB PCM(pulse code modulation) has?a) 32 channelsb) 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.

  15. 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 complet

  16. Conditional results after execution of an instruction in a micro processor is stored in?a) registerb) accumulatorc) flag registerd) flag register part of PSW(Program Status Word)

  17. 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.

  18. 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.

  19. Who can I contact if I continue having problems with my Broadband service?

  20. A software that allows a personal computer to pretend as a computer terminal is:a) terminal adapterb) bulletin boardc) modemd) terminal emulation

  21. What are the terms and conditions of using Global Telecom Broadband?

  22. How do I signup?

  23. The status of the Kernel is:a) taskb) processc) not defined.d) none of the above.

  24. 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.

  25. What is the procedure if I want to upgrade my Broadband account to a faster speed?

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  27. What equipment do I need in order to be able to access Broadband?

  28. Line of sight is:a) Straight Lineb) Parabolicc) Tx & Rx should be visible to each otherd) none of the above

  29. What is the maximal decimal number that can be accommodated in a byte?a) 128b) 256c) 255d) 512

  30. What is the type of signaling used between two exchanges?a) inbandb) common channel signalingc) any of the aboved) none of the above.

  31. What is a matrix?

  32. Time taken for 1 satellite hop in voice communication is?a) 1/2 secondb) 1 secondsc) 4 secondsd) 2 seconds

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