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Ericsson ECP-383 Online Practice Questions and Exam Preparation

ECP-383 Exam Details

  • Exam Code
    :ECP-383
  • Exam Name
    :Ericsson Certified Associate - Radio Network Optimization
  • Certification
    :Ericsson Certifications
  • Vendor
    :Ericsson
  • Total Questions
    :62 Q&As
  • Last Updated
    :Jul 14, 2026

Ericsson ECP-383 Online Questions & Answers

  • Question 61:

    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 usage of 64 QAM is UE dependent.
    C. The spectral efficiency of 64 QAM is higher than QPSK in strong radio conditions.
    D. The spectral efficiency of 64 QAM is lower than QPSK in strong radio conditions.

  • Question 62:

    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 replaces the digital/baseband unit.
    C. The AIR in an LTE system is directly connected with the MME using the SI interface.
    D. The AIR can replace the standard RU/RRU and antenna.

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