ECP-383試験無料問題集（65題）「Ericsson Certified Associate

出題：1

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

A. TDD LTE systems use guard period intervals after uplink transmissions.

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

C. FDD LTE systems require paired spectrum to separate uplink and downlink transmissions.

D. TDD LTE systems use guard period intervals after downlink transmissions.

正解：A,C 解答を投票する

出題：2

Caller A is on a VoLTE call with Caller B.
Suddenly Caller A is no longer able to hear Caller B but Caller B can hear Caller A.
Which two call legs and directions should be analyzed first in this scenario? (Choose two.)

A. the Caller B uplink

B. the Caller A downlink

C. the Caller A uplink

D. the Caller B downlink

正解：A,B 解答を投票する

出題：3

After the installation of a new LTE antenna on a roof top, UL interference power for that sector is observed.
In this scenario, which two situations would cause the interference? (Choose two.)

A. The antenna was placed on a mast near the edge of a rooftop.

B. Equipment that generates electrical magnetic fields are in the same location.

C. Reflective objects such as metal chains or metal ladders were placed in front of the antenna.

D. A plastic enclosure was placed to cover the antenna.

正解：B,C 解答を投票する

出題：4

How would the highest theoretical UL throughput in a WCDMA network that supports HSPA be achieved?

A. using 10 ms TTI for EUL

B. using 2 ms TTI for EUL

C. using R99, UL SF 4

D. using R99, UL SF 8

正解：B 解答を投票する

出題：5

Which two statements are valid for Call Re-establishment in WCDMA? (Choose two.)

A. When Call Re-establishment in WCDMA is activated and after RL failure or an RLC unrecoverable error, the UE goes to idle mode.

B. When Call Re-establishment in WCDMA is activated and after RL failure or an RLC unrecoverable error, the UE selects a new cell using the soft handover procedure.

C. Call Re-establishment in WCDMA targets RL failures or RLC errors in the DL.

D. Call Re-establishment in WCDMA improves the voice drop rate.

正解：B,D 解答を投票する

出題：6

A customer has Identified problems In an Indoor, medium loaded, urban area of a GSM/WCDMA collocated network. The problem seems to be in the uplink. The signal level received by the problematic site is high, and the downlink signal in the problematic area is acceptable.
Which two actions would you use to troubleshoot the issue? (Choose two.)

A. Run a passive inter-modulation (PIM) analysis.

B. Add a pico cell In the same RAT and frequency.

C. Decrease base station transmission power.

D. Investigate external interference.

正解：A,D 解答を投票する

ECP-383試験無料問題集「Ericsson Certified Associate - Radio Network Optimization 認定」