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Telecom Interview Questions
Questions Answers Views Company eMail

Explain SSL?

Infosys, Reliance,

1605

What is IP Spoofing? What do hackers do with it?

1 4571

What is DOS attack ?

1607

Explain DNS, IP address allocation?

IIHT,

1746

Describe TCP flow control?

 1530

How is UWB different from Bluetooth, FireWire and Wi-Fi?

2 9075

What does ultrawideband (UWB) mean?

Airtel, Sprint,

2 7410

What's the Difference Between Routers, Switches and Hubs?

Adcell Group, BEL, Huawei, Infosys,

8 17958

Which devices discriminates between multicast and unicast packets?

TCS,

4 11612

Most networks employ devices for routing services. Routers work at which OSI layers?

10 11530

Which is a type of hub that forwards packets to an appropriate port based on the packet's address?

3 5811

How to use l2trace in a cisco switch using a VLAN distinct to VLAN 1?

HP,

1 8374

What is VOIP?

 4 9717

What do internet telephony,packet telephony,IP telephony and converged network means?

 1 8645

How does VOIP work?

 5 12575

Un-Answered Questions { Telecom }

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

894

Explain the types of digital modulation techniques

504

What is the gsm?

542

Which is the digital modulation used today in telecom?

501

What is lmp (link management protocol)?

590




What do you mean by extended cell? Does it have any impact on the system?

524

What is cdma? Explain.

457

Explain paging channel?

484

How is snmp work with nms and ems?

556

What is transmitted power control in gsm technology?

496

What is wi-fi technology?

493

Explain processing gain in cdma?

438

Which DSLAMs interoperate with the ADSL WIC?

534

which the best institute in india to get trained on telecom protocol testing? am a b.tech e.c.e fresher

2488

Explain rrc states in umts?

632

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