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Ericsson Certified Associate - Radio Network Optimization Sample Questions:

1. What is a benefit of Remote Radio Unit (RRU) deployment compared to a standard Radio Unit (RU) deployment?

A) RRU has lower feeder loss.
B) RRU consumes less power.
C) RRU provides for easier legalization of the equipment.
D) RRU provides easier deployment and maintenance.

2. Which two statements are true about the Antenna Integrated Radio (AIR)? (Choose two.)

A) The AIR is a hardware unit that integrates the radio and the antenna.
B) The AIR in an LTE system is directly connected with the MME using the SI interface.
C) The AIR can replace the standard RU/RRU and antenna.
D) The AIR replaces the digital/baseband unit.

3. Which two statements are true about 64 QAM modulation in the downlink direction? (Choose two.)

A) The usage of 64 QAM is not dependent on radio channel quality.
B) The spectral efficiency of 64 QAM is higher than QPSK in strong radio conditions.
C) The usage of 64 QAM is UE dependent.
D) The spectral efficiency of 64 QAM is lower than QPSK in strong radio conditions.

4. What is an advantage of using flexible numerology in New Radio (NR) 5G?

A) It maintains a more consistent overhead over a very large range of carrier frequencies.
B) It ensures that the same subcarrier bandwidth is used in NR in both high and low frequencies.
C) It provides a non defined link between subcarriers used in LTE and NR.
D) It allows an alphanumeric mapping between physical data channels on coslted LTE and NR in non-standalone scenarios.

5. Which two statements are correct about voice quality in a VoLTE network? (Choose two.)

A) Decreasing silent gaps in the received audio signal will improve voice quality.
B) Increasing silent gaps in the received audio signal will improve voice quality.
C) Increasing jitter will improve voice quality.
D) Decreasing jitter will Improve voice quality.

Solutions: