The 5G Networks defined and rolled out in 2019 and early 2020, SA or NSA?

Interview
1

Q. The 5G Networks defined and rolled out in 2019 and early 2020, SA or NSA?

a) Both
b) SA
c) NSA
d) Neither

Check šŸ”Ž

:arrow_right: Correct answer: Letter c.

The first commercial 5G networks rolled out in 2019 and early 2020 were predominantly Non-Standalone (NSA). These networks relied on existing 4G LTE cores (EPC) for control signaling, while using 5G NR for the radio interface.

Q. The 5G Networks defined and rolled out in 2019 and early 2020, SA or NSA?

a) :x: Both
ā†’ Incorrect. Early deployments were primarily NSA, with SA coming later in most regions.

b) :x: SA
ā†’ Incorrect. Standalone (SA) 5G was not yet widely rolled out at that time.

c) :white_check_mark: NSA
ā†’ Correct. Early 5G networks were mostly NSA, using LTE cores for anchoring.

d) :x: Neither
ā†’ Incorrect. NSA 5G was already commercially deployed during this period.