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 6885

which slot is reserve for GPRS ?

Airtel,

1 7151

WHAT is about the TRE Alarm ..?

2191

how does a Metro Hub works ?

2560

minimum voltage on which the Metro Hub can work ?

1 4337

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

5 8539

What is the main difference between GSM & CDMA?

7 12563

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

1 6513

What is the different between CDU C and CDU A ?

7219

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

3 10369

What is the frequency range used for Bluetooth in INDIA ?

6 16069

What is VSWR?

TATA,

7 16120

Define Scrambling Code?

SingTel,

1 13440

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 9356

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 3995

Un-Answered Questions { Telecom }

What market segment does the Cisco 1700 Series target with the ADSL WIC?

939

What is packet telephony?

960

Tell me bts configuration 4+2+2?

1169

Do you know what is cdma technology?

685

Differentiate between cdma and tdma?

717

How is snmp work with nms and ems?

997

How much time is taken by 1 satellite hop in voice communication?

958

What the B and D channels do?

1437

What in nav?

862

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

976

What is a switch?

854

What is internet telephony?

975

What is the main difference between gsm and cdma?

831

Describe TCP flow control?

1960

Explain call flow for roaming mobile to roaming mobile?(Both users are belongs to same state but staying on roaming in different states)

954

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