Showing posts with label telecom interview faqs. Show all posts
Showing posts with label telecom interview faqs. Show all posts

Telecom Interview Questions P-2

Telecom Interview Questions P-2 continuing from P-1
76.What is the nominal voltage required in subscriber loop connected to local exchange?
77.To send a data packet using datagram , connection will be established?
78.Word alignment is?
79.When a C function call is made, the order in which parameters passed to the function are pushed into the stack is?
80.What is the type of signaling used between two exchanges?
81.Buffering is called as?
82.Memory allocation of variables declared in a program is?
83.A software that allows a personal computer to pretend as a computer terminal is?
84.How to explain what is ss7?
85.A software that allows a personal computer to pretend as a computer terminal is ?
86.Frequency at which VOICE is sampled is?
87.To send a data packet using datagram , connection will be established?
88.What is the type of signaling used between two exchanges?
89.What is the maximal decimal number that can be accommodated in a byte?
90.The status of the Kernel is?
91.What is the nominal voltage required in subscriber loop connected to local exchange?
92.Memory allocation of variables declared in a program is?
93.What is TCSM ?
94.What is the need of CPG message in ISUP protocol?
95.What is the best Rx power and Tx power at good RF Conditions?
96.Conditional results after execution of an instruction in a micro processor is stored in?
97.Purpose of PC(Program Counter) in a MicroProcessor is?
98.Line of sight is?
99.When a C function call is made, the order in which parameters passed to the function are pushed into the stack is?
100.What is Buffering?
101.Time taken for 1 satellite hop in voice communication is?
102.What is Broadband?
103.A 2MB PCM(pulse code modulation) has?
104.What action is taken when the processor under execution is interrupted by a non-maskable interrupt?
105.What is a matrix?
106.How do I signup?
107.Why can I get the 512k service but not the 1Mb or 8Mb Broadband service?
108.What is a Broadband modem?
109.What equipment do I need in order to be able to access Broadband?
110.What are the terms and conditions of using Global Telecom Broadband?
111.What is the procedure if I want to move house?
112.What is the procedure if I want to upgrade my Broadband account to a faster speed?
113.Max number of satellite hops allowed in voice communication is?
114.What is Word alignment?
115.How many T1 facilities the company needs between its office and the PSTN if it has 47 digital telephones, each operating at 64kbps ?
116.What is Antenna gain?
117.Write the total description of Ultra Commissioning?
118.What are the different elementsof MSC?
119.What is the function of Duplexer?
120.Can we use 7GC instead of 15GC?
121.What is the correct way of weather proofing?
122.What do you mean by protection loop?
123.Explain the different steps of Commissioning?
124.Convert the 16 W power into dBm?
125.What do you mean by Splitter?
126.What are the different types of GSM antenna?
127.Which type of connector we use at the end of GSM antenna?
128.Which type of connector we use in FIFA card?
129.Explain the structure of entire GSM?
130.What is the function of TRAU?
131.What is the full form of ARFCN?
132.What will happen if we change the polarity of microwave antenna?
133.How many types of Transmission cards are in Flexi BTS?
134.How many types of Transmission cards are in Ultra BTS? Reliance?
135.We use PSWB card in which case?
136.How many maximum slots we can use in ESMA card?
137.What is the height of ESMA card?
138.What is the height of BTS?
139.Which slot is reserved for GPRS?
140.Which modulation we use in case of GPRS?
141.What is the function of BOI card?
142.What is the function of BB2F card?
143.Name the equipments required for 2+2+2?
144.What are active & passive elements in BTS?
145.What do you mean by FDMA? Explain in details?
146.In CDMA, what is the difference between CDG1, CDG2 and CDG3 tests. What all tests are present in those?
147.what are the various telecom testing tools used for testing the gsm,gprs,atm,wcdma,trau protocol?
148.In india how the fraud management is done?
149.Who and how segregates different CDR (Voice , Data , IP)?
150.What is a NOC?
151.What is peering?
152.What is load balancing?
153.What is a case or chassis?
154.What is a port?
155.What is a UPS?
156.What does multi-homed mean?
157.Why is wireless security important?
158.What is MTU?
159.Describe a TCP connection sequence ?
160.What is a runt, Giant, and collision?
161.What is a full-class C in CIDR notation?
162.What other TCP setting can you modify besides MTU to shorten packets?
163.What is a metric?
164.What is a default route?
165.What is a broadcast storm?
166.How do you distinguish a DNS problem from a network problem?
167.What is the difference between layer 2 and layer 3 in the OSI model?
168.What is word alignment?
169.What is the time taken for 1 satellite hop in voice communication?
170.What is the nominal voltage required in subscriber loop connected to local exchange?
171.What is the Maximum number of satellite hops allowed in voice communication?
172.What action is taken when the processor under execution is interrupted by a non-maskable interrupt?
173.At what Frequency voice is sampled ?
174.What is Buffering?
175.What is the type of signaling used between two exchanges?
176.What is the layered architecture of the Internet?
177.In a wireless network, describe how each layer would be different from a wired network?
178.What is the CDR format generated by ZTE NEs?
179.Describe an impedance matching circuit?
180.Describe circular polarization?
181.What is the 911 point?
182.Describe VSWR?
183.What is noise figure?
184.What are mixers used for?
185.What Are the different filter types ?
186.What is a superheterodyne receiver?
187.What is the relation between dB and change of signal?
188.Define Thermal impedance?

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?