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 7012

which slot is reserve for GPRS ?

Airtel,

1 7206

WHAT is about the TRE Alarm ..?

2248

how does a Metro Hub works ?

2605

minimum voltage on which the Metro Hub can work ?

1 4400

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

5 8705

What is the main difference between GSM & CDMA?

7 12809

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

1 6584

What is the different between CDU C and CDU A ?

7301

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

3 10508

What is the frequency range used for Bluetooth in INDIA ?

6 16279

What is VSWR?

TATA,

7 16335

Define Scrambling Code?

SingTel,

1 13519

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 9451

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 4050

Un-Answered Questions { Telecom }

What are three types of frame ,explain?

860

Explain what is bts? What are its different configurations and what is the power consumption/peak current for each of these types of bts?

1015

What is a switch?

912

Explain equalisation?

1022

Explain what companies are involved in the bluetooth initiative?

842

What is the Frame Format ?

1402

Which transport layer protocols are used for VoIP audio and video payload?

1392

What is the difference between ISA Board & STM-1 in SDH

3381

What is reverse link power control?

808

What is imsi in gsm technology?

1004

In gsm we use msrn for routing but what parameter is used in the cdma for routing?

1144

How it is different from gsm?

748

What is hard handover?

753

Difference between power save and legacy power save?

840

What is Managed (also known as client or station) mode?

1473

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