Iibm - Telecommunications Essentials

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Telecommunications Essentials

Q1. This band transmits uplink around the 6GHz range & downlink around the 4GHz range.

a. C-Band

b. Ku-Band

c. Ka-Band

d. L-Band

Q2. On these trunks, traffic flows in both the incoming & outgoing directions.

a. DOD trunks

b. DID trunks

c. Two-way local exchange trunks

d. None

Q3. As networks become more digitized, fewer conversions take place, and voice can be carried at a higher quality over fewer flower bits per second.

a. PCM

b. ADPCM

c. DCSs

d. DLCs

Q4. _____________ is a standard for storage & retrieval of moving pictures & audio on storage media.

a. MPEG-1

b. MPEG-2

c. MPEG-4

d. MPEG-7

Q5. It is an open standard for digital video transmission over cable that was defined by ETSI & ratified in 1994.

a. DVB-H

b. DVB-T

c. DVB-C

d. DVB-S & DVB-S2

Q6. It is the oldest of DSL technologies & a symmetrical service, measuring that it provides equal bandwidth in the both directions.

a. HDSL

b. SDSL

c. G. SHDSL

d. ADSL

Q7. It is the newest spread spectrum technique, and its main purpose is to resolve the problems

a. CDMA

b. TDMA

c. OFDM

d. ADPCM

Q8. It is a new concept in multimedia mobile broadcasting service, converging broadcasting and telecommunications.

a. DMB

b. OFDM

c. VF

d. None

Q9. It is a Niche broadband wireless technology that at first appears to complete for market share with mobile WiMax & Mobile-Fi.

a. HiperAccess

b. HiperMan

c. iBursrt

d. ETSI BRAN

Q10. In-FUSIO‟s (www. Infusion.com) __________ is best known for its business model, which supports a variety of revenue models, including pay-per-level and SMS high scores.

a. JavaME

b. BREW

c. EXEn

d. Mophun

Part Two:...