Which of the following statements about passport recognition services are correct?

Question

Options

• Acountry_code Country code representing the country where the passport was issued
• Bnationality Nationality of representative holder
• Cpassport_number Representative passport number
• Dconfidence Confidence information of related fields. The greater the confidence, the higher the

• A
  100% (54)

Explanation

All four options represent standard fields returned by passport recognition (OCR) services when processing passport documents. The country_code field captures the ISO code of the nation that issued the passport, while nationality records the holder's national identity, which can differ from the issuing country. The passport_number field extracts the unique document identifier printed on the passport, and confidence provides a numeric score indicating how reliably the system read each field - a higher score signals greater certainty in the extracted value.

Because all four are correct, there are no distractors to eliminate in this question; every listed field is a real, commonly documented output of passport recognition APIs.

Memory tip: Think of the four fields as answering four questions about a passport - Where was it issued (country_code)? Who is the holder (nationality)? What is the document ID (passport_number)? How sure is the system (confidence)? Framing each field as a question makes the full set easier to recall.

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