Telecom Interview Questions P-1

Telecom Interview Questions
1. What is the main difference between GSM & CDMA?
2.Which is the digital modulation used today in telecomn? (whatever his question meant the answer was CDMA) ?
3.Why is walse code used? then, noncoherent detection, coherent detection, Pn code(y it is used?)
4.What are the various blocks in GSM architecture?
5.what is Telecom regulatory body of India?
6.What is the difference between Diplexer and Duplexer and what position?
7.What is the different between CDU C and CDU A ?
8.How do you link a T1 from the 1st BTS to 2nd BTS 4?
9.What is the value for TEI 1st T1?
10.What is the SSI?
11.what is GSM?
12.what is cdma technology? What was it's origin ? How it works? How it is different from gsm?
13.What is the main differnece between 1x RTT and 1X EVDO ?
14.What Are The Signals Tranferred In GPRS?
15.What is the difference between Internet and ISDN ? Is both are same or is there any specific difference?
16.What is FCC and how does it relate to Bluetooth?
17.Why can Bluetooth equipment integrate easily in TCP or IP network?
18.How does Bluetooth use frequency hopping for security?
19.What is the frequency range used for Bluetooth in Japan?
20.What is the frequency range used for Bluetooth in Europe and United States?
21.Under what frequency range does Bluetooth work?
22.what is the total number of masters and slaves in a piconet?
23.What is a Bluetooth dongle?
24.Give a generic description of Bluetooth?
25.Which company originally conceived and developed Bluetooth?
26.What is FEC in Bluetooth?
27.Which technology is used in Bluetooth for avoiding interference?
28.How many SCO links are there in a piconet?
29.Which Bluetooth version uses adaptive frequency hopping? Why?
30.What is Antenna gain?
31.Write the total description of Ultra Commissioning?
32.What are the different elementsof MSC?
33.What is the function of Duplexer?
34.Can we use 7GC instead of 15GC?
35.What is the correct way of weather proofing?
36.What do you mean by protection loop?
37.Explain the different steps of Commissioning?
38.What do you mean by Splitter? What are the different types of GSM antenna?
39.Which type of connector we use at the end of GSM antenna?
40.Which type of connector we use in FIFA card?
41.Explain the configuration of 4+4+4?
42.Explain the structure of entire GSM?
43.What?s the relation between dB and change of signal?
44.What is noise figure?
45.Describe VCO?
46.What?s the 911 point?
47.What is the filters function?
48.What does balanced amplifier consist of?
49.Whats a superheterodyne receiver?
50.Whats the definition of gain?
51.Describe an impedance matching circuit?
52.Name some band definitions
53.What is the definition of gain?
54.What is a definition of an amplifier?
55.What is Insertion Loss?
56.What is Thermal impedance?
57.What is the job of the amplifier?
58.What is Skin effect?
59.What is a PCB?
60.What is VSWR?
61.What does balanced amplifier consist of?
62.What is saturation point?
63.What filter types are there?
64.Describe circular polarization?
65.Who is responsible for PLLs?
66.What are mixers used for?
67.What are saw filters used for?
68.Time taken for 1 satellite hop in voice communication is…
69.Max number of satellite hops allowed in voice communication is:c
70.What is the maximal decimal number that can be accommodated in a byte?
71.Frequency at which VOICE is sampled is?
72.Line of sight is?
73.Purpose of PC(Program Counter) in a MicroProcessor is?
74.What action is taken when the processor under execution is interrupted by a non-maskable interrupt?
75.The status of the Kernel is?

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