Telecom Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Telecom General (169)
Telecom AllOther (14)

Telecom Interview Questions

Questions Answers Views Company eMail

which modulation we use in case of GPRS ?

3 6991

which slot is reserve for GPRS ?

Airtel,

1 7204

WHAT is about the TRE Alarm ..?

2233

how does a Metro Hub works ?

2599

minimum voltage on which the Metro Hub can work ?

1 4392

what is the meaning of main LED which is RED on front of FIU 19(E) ?

5 8690

What is the main difference between GSM & CDMA?

7 12785

What is the difference between Diplexer and Duplexer and what position?

1 6578

What is the different between CDU C and CDU A ?

7298

What is the difference between Internet and ISDN ? Is both are same or is there any specific difference ?

3 10496

What is the frequency range used for Bluetooth in INDIA ?

6 16266

What is VSWR?

TATA,

7 16305

Define Scrambling Code?

SingTel,

1 13504

What is difference between WPA and WPA2? Explain MAC frame format? Explain Random backoff algorithm? EAPOL authhentication? In WLAN what do you mean by syncronization? Explain power save mechanism? Explain fram control? What in NAV ,where it is found? what are career sensing techniques?? waht is different between thorughput and data rate? waht are three types of frame ,explain? explain process of wep? which throughput is maximum tcp or udp? drawback of wep? explain 4 way handshake in wlan? What is PS-Poll and its structure?? difference between Power save and legacy power save?? What is TIM? What is trigger frame? What is ACM bit where it is found? explain key exchanges in all security modes WPA,WPA2,TLS? What is contained in control frame? what are four access categories,which one has more priority? Difference between EAP and EAP-TLS? what is broadcast domain for 10 STAS coneected to router at layer 3? router,hub,switch,snmp? what does four address field signifies?? explain powermanagement? Working of RTS/CTS? Explain hidden node problem? what are different typr of frame spacing? What is cipher?

2 9438

What kind of internet speed control facilities (exact name) do internet service provider use and is it possible to check internet speed of each individual consumer like speedtest.net does?

1 4044

Un-Answered Questions { Telecom }

What is frequency re-use in gsm technology?

955

How do you secure a wireless network?

900

Define Scrambling Code?

13504

What is the difference between rx lev sub and rx lev full? What you mean by link budget?

1102

What is frequency hopping?

826

Explain the underlying functional concept of gsm and cdma?

741

Will bluetooth and wireless lan interfere with each other?

920

Is the slave to slave communication is possible in piconet and if yes then how?

972

What is the range of Bluetooth transmitter/receivers?

982

Explain drx – trx?

1046

Explain about imei in gsm technology?

907

Explain about Bluetooth.

966

List some advantages of gsm.

885

What is the drawback of wep?

881

What is ISM / UNII bands?

1814

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