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 6986

which slot is reserve for GPRS ?

Airtel,

1 7204

WHAT is about the TRE Alarm ..?

2230

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 8688

What is the main difference between GSM & CDMA?

7 12784

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

1 6578

What is the different between CDU C and CDU A ?

7296

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

3 10494

What is the frequency range used for Bluetooth in INDIA ?

6 16264

What is VSWR?

TATA,

7 16305

Define Scrambling Code?

SingTel,

1 13502

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 9437

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 }

Describe GSM with one of advantage?

940

What are WiFi radio modes?

1557

What are the key features of the ADSL WIC?

1022

What is frequency band for 3g?

953

What is logical cohesion?

827

How uwb is different from wi-fi?

690

Tell me at what frequency voice is sampled?

1030

What do you mean by fdma? Explain?

1092

Explain the difference between cdma and tdma?

731

How is snmp work with nms and ems?

1027

Explain hidden node problem?

850

Are different brands of Bluetooth products compatible?

930

Differentiate ethernet switch and a hub?

913

Explain contained in control frame?

857

Explain mac frame format?

859

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