Question 1

In LTE, what is the definition of an A2 event?

Options :

A : The neighbor cell becomes better than the threshold.

B : The serving ceil becomes better than the threshold.

C : The serving cell becomes worse than the threshold.

D : The neighbor cell becomes worse than the threshold.

Answer: C

Question 2

A customer is deploying VoLTE and complains about high voice drop rates and voice quality degradation at the cell edge in most LTE cells in the area. The network has a dense WCDMA coverage on the 700 MHz band and patchy LTE coverage on the 2100 MHz band. Which two features would you activate to solve this problem? (Choose two.)

Options :

A : DRX

B : 256 QAM DL

C : TTI Bundling

D : SRVCC Handover to UTRAN

Answer: C,D

Question 3

You have collocated sectors In your 2G network on the GSM 900 and the DCS 1800 bands. Reviewing the network level traffic distribution, you noticed that the GSM 900 sectors have five times more traffic than the DCS 1800 sectors. Which two actions would improve load balancing between these bands? (Choose two.)

Options :

A : adding additional GSM 900 sectors

B : changing the handover margin

C : expanding the site-s transmission link

D : changing the idle mode cell reselection parameter

Answer: B

Question 4

Which KPI must be captured in a drive test with TEMS to review VoLTE accessibility?

Options :

A : Call Setup Success Rate

B : Handover Success Rate

C : Call Drop Rate

D : Voice Quality

Answer: A

Question 5

What are two correct characteristics of TDD and FDD LTE systems? (Choose two.)

Options :

A : TDD LTE systems use guard period intervals after downlink transmissions.

B : FDD LTE systems require paired spectrum to separate uplink and downlink transmissions

C : TDD LTE systems use guard period intervals after uplink transmissions

D : TDD LTE systems require paired spectrum to separate uplink and downlink transmissions.

Answer: B,C

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