Which country launched first national 5G network?

Appeared in: JIPMER Nursing Officer-2024

Explanation

South Korea is the correct answer as it was the first country to commercially launch a nationwide 5G network.
The launch occurred on April 3, 2019, involving all three of its major telecommunication providers simultaneously.
This comprehensive rollout distinguished it from other countries that had more limited or localized launches around the same period.

Option A: The initial 5G launches in the USA were geographically limited to specific zones in certain cities and did not constitute a nationwide network at the time.
Option C: Japan launched its commercial 5G services in March 2020, which was nearly a year after South Korea's launch.
Option D: China launched its 5G network in late 2019, several months after South Korea had already established its nationwide service.

Visual 1: Timeline Graphic - A timeline showing the 5G national launch dates for South Korea (April 2019), USA (limited, 2019), China (Nov 2019), and Japan (March 2020) to visually reinforce the sequence of events.
Visual 2: World Map - A map highlighting South Korea as the first country with a nationwide 5G network, with other countries color-coded by their launch year.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Global Technology Milestones as background academic context rather than a clinical decision trigger.
Technological Impact: Understanding milestones like the 5G launch is important as this technology directly enables advancements in many fields, including healthcare.
Healthcare Applications: 5G's low latency and high bandwidth are critical for the future of telemedicine, remote robotic surgery, real-time monitoring of patients, and rapid transfer of large medical imaging files.
What if?: If the question had asked which country has the largest 5G network, the answer would likely be China, not South Korea. The keyword 'first' is the critical differentiator.

How to Approach the Question

First, identify the key terms in the question: 'first', 'national', and '5G network'.
The term 'national' is crucial, as it implies a widespread, country-wide rollout, not just a limited launch in a few cities.
Evaluate each option based on historical launch dates for nationwide services.
Recall or look up the timeline of 5G launches. South Korea's launch in April 2019 was a well-publicized global first for a nationwide network.
Compare this to the timelines of the other countries to confirm they launched their national services later.

Concept Tested & Keywords

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Practise the full JIPMER Nursing Officer-2024

Attempt every question from this paper in a timed mock, then review the full solution for each one.