Saturday, 18 August 2012

TECHNOSOFT INFORMATICS- BLACKBERRY, 3G, WiFi,Bluetooth,Wireless Communication , GPRS, GSM INTERVIEW QUESTIONS COLLECTIONS(Just Check Your Skills!!!)


TECHNOSOFT INFORMATICS



BLACKBERRY, 3G, WiFi,CDMA, GPRS, GSM,BLUETOOTH

INTERVIEW QUESTIONS COLLECTIONS 

(Check Your Skills!!!)


BLACKBERRY LATEST INTERVIEW QUESTIONS
  
Q1.What is Blackberry technology?
Q2.Explain about Blackberry Operating System.
Q3. Explain about the CPU used in Blackberry technology
Q4.Explain about Blackberry Enterprise Server.
Q5.Explain about BlackBerry Internet Service
Q6.Explain how synchronization takes place with Blackberry Technology.
Q7.What are the additional features of Blackberry?
Q8.What are the benefits for organizations and IT departments by using Blackberry?
Q9.What are the advantages of BlackBerry technology?
Q10.What are the features of BlackBerry Storm2?

3G  LATEST INTERVIEW QUESTIONS

Q1.What is 3G?
Q2.What are the advantages and disadvantages of 3G?
Q3. How is 3G different from 2G?
Q4.Explain: 
a.) GPRS ( General Packet Radio Service) 
b.) GSM (Global System for Mobile Communications) 
c.) HLR (Home Location Register)
d.) IDE
e.) iDEN(Integrated Digital Enhanced Network)
Q5.Explain UMTS.
Q6.What is 4G?
Q7.What is International Telecommunications Union and what are its functions?

 CDMA LATEST INTERVIEW QUESTIONS
Q1.What is CDMA2000?
Q2.Explain EDGE. 
Q3.Explain DECT.
Q4.Explain High Speed Packet Access.
Q5.Explain EV-DO/ EVDO.
Q6.What is the difference between CDMA and GSM?
Q7.What is the importance of CDMA in today’s cellular world?
Q8.Differentiate between: a.) CDMA and FDMA b.) CDMA and TDMA
Q9.What is the difference between CDMA and GPRS? Which of them is better? Why?
Q10.Explain following forward link channels in CDMA system: a.) Pilot Channel b.) Sync. Channel
Q11.Explain the following two types of hand off in CDMA system: a.) Soft handoff b.) Softer handoff


GSM  LATEST INTERVIEW QUESTIONS


Q1.What is GSM?
Q2.What is the maximum data rate supported by a GSM system?
Q3.Explain the following techniques in GSM: a.) Sectorization of a cell b.) Frequency Re-use c.) Transmitted Power Control d.) Discontinuous Transmission
Q4.Which uplink/ downlink spectrum is allocated to following?
a.) GSM – 900:
b.) DCS – 1800?
Q5.Explain the following: a.) Equalisation b.) Interleaving c.) Speech coding d.) Channel coding
Q6.What is frequency re-use?
Q7.What are the interfaces between thee following?
a.) BTS and MS
b.) BTS and BSC
c.) BSS and MSC
d.) TRAU and BSC
e.) BSC and PCU
Q8.Explain: a.) Cell Splitting b.) WPS  c.) MA d.) MAIO
Q9.Explain: a.) Synthesised Frequency Hopping, b.) Base Band Frequency Hopping, c.) Cycling Frequency Hopping
Q10.Explain: a.) HSN b.) DTX c.) DRX – TRX 
Q11.What do you mean by following? a.) Erlangs b.) GoS
Q12.What do following mean? Why do we need them? a.) Location Area b.) Location Update
Q13.Explain: a.) IMSI b.) TMSI c.) IMEI d.) MS-IDN
Q14.What do you mean by ARFCN?
Q15.What is power control?
Q16.Explain: a.)FDD b.)TDD
Q17.What do you mean by Extended Cell? Does it have any impact on the system? If yes, what?


GPRS  LATEST INTERVIEW QUESTIONS


Q1.Explain GPRS
Q2.What signals are transferred in GPRS?
Q3.How are GPRS terminals classified?
Q4.Explain the different coding schemes used in GPRS and their importance.
Q5.What gross data rate does GPRS provide?
Q6.How does GPRS architecture differ from GSM?
Q7.Differentiate between GSM and GPRS.



BLUETOOTH  LATEST INTERVIEW QUESTIONS


Q1.What is Bluetooth?
Q2.Bluetooth is called a cable replacement technology. Explain.
Q3.Explain about TCP flow control.
Q4.Explain the working of trace route.
Q5.What is Piconet?
Q6.Explain the following terms: ICMP, ARP, Multicast, Broadcast?
Q7.List out the differences between UDP and TCP.
Q8.What is meant by the term 'IP Spoofing'?
Q9.What is RJ-45?
Q10.Which technology is used to avoid interference in Bluetooth? Brief the technology used
Q11.What is TCP connection establishment and tear down?
Q12.What is the signal strength transmitted by cell phones?
Q13.What method is used for Voice transfer? Brief about the method used.
Q14.Explain the modulation techniques used in Bluetooth technology.
Q15.What are the technical characteristics of Bluetooth?
Q16.Explain the term 'Airport' in Bluetooth.
Q17.What FEC means in Bluetooth?
Q18.How frequency hopping is used for security in Bluetooth?
Q19.Explain how data is transferred through Bluetooth.
Q20.Explain how Bluetooth devices integrate easily with TCP/IP network?
Q21.Why is Bluetooth 2.0 better than previous versions?
Q22.Define the term 'Pairing' in Bluetooth.
Q23.Explain the term Bluetooth SIG.
Q24.What kind of encryption is used for Bluetooth security? Explain
Q25.What is a Bluetooth dongle?
Q26.What do you mean by the term Frequency-Hopping Spread Spectrum (FHSS)?
Q27.What is LDAP and its uses?
Q28.Explain the term 'DOS attack'.
Q29.List the different Power Classes in Bluetooth.
Q30.What are Bluetooth profiles?
Q31.Explain the following terms: BlueBugging, BlueSnarfing & Bluejacking?
Q32.List the differences between Bluetooth vs Infrared.
Q33.What is Cabir Worm? Which devices does the Cabir Worm affect?
Q34.List the differences between Bluetooth and Wi-Fi IEEE 802.11 in networking
Q35.Explain about LMP (Link Management Protocol).



WiFi  LATEST INTERVIEW QUESTIONS

Q1. What is Piggybacking in context to Wi-Fi?
Q2. What are the recommended channels if you are setting up three WLANs and want minimum interference over there?
Q3. How to crack Wi-Fi network, if you are using WEP (Wired Equivalent Privacy) Password with backtrack?
Q4. Differentiate between Ad-Hoc and Infrastructure topology and also explain with their advantages and disadvantages
Q5. How do you secure a wireless network?
Q6. What are your preferred tools for WarDriving?
Q7. How can you configure Wi-Fi network and what are Wi-Fi Protocols?
Q8. How is UWB (ultra-wideband) different from Bluetooth, FireWire and Wi-Fi?
Q9. Who are the providers and what are the assets available for wireless?
Q10. Wireless networking, or Wi-Fi, can be used to connect computers in a home, and many cities are using technologies to offer free or low cost internet access to residents, what is another name for Wi-Fi?
Q11. Can I mix wireless equipments from different vendors, elaborate on it?
Q12. If my computer is connected to wireless LAN, can it communicate with computer on wired LAN as well?
Q13. Is it true that Wireless networking is only good for laptop computer?
Q14. What is Wi-Fi technology and over which frequency band it operates?
Q15. What are the different Wi-Fi generations and also explain any one?



 NOTE:  Questions Level May Change Corresponding to Freshers & Experienced Candidates and Latest Trend


 For More technical Questions & Answers & Mobile Applications training on Android,iPhone,Windows,J2ME and  Campus Interview Training Program Contact to:
Mr.Rahul Jain | Mr. Amit Jain at
TechnoSoft Informatics,105,Darshan Mall,
Race Course Road,Indore.

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