250.What is the main category of a traffic sign with a red-bordered triangle, white background, and blackmarkings? (A) Caution sign. (B) Regulatory sign. (C) Warning sign.

255. For a professional small vehicle driver aged 68 or above who wishes to extend their professional driver'sNo. Ans Questionlicense validity until age 70, which of the following regulations is correct? (A) As long as the physicalexamination is deemed qualified, the extension can be granted directly regardless of whether there wasany penalty record in the previous year. (B) The driver must have had no license suspension penalty inthe previous year, pass a physical examination, and submit proof of passing a cognitive function test or acertificate of no dementia; the license may then be renewed or annotated for extension each year. (C)Only a certificate of no dementia needs to be submitted, and a professional driver's license valid for twoyears can be issued at once.

250.What is the main category of a traffic sign with a red-bordered triangle, white background, and blackmarkings?
(A) Caution sign.
(B) Regulatory sign.
(C) Warning sign.

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250.What is the main category of a traffic sign with a red-bordered triangle, white background, and blackmarkings?(A) Caution sign.(B) Regulatory sign.(C) Warning sign.

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250.What is the main category of a traffic sign with a red-bordered triangle, white background, and blackmarkings?
(A) Caution sign.
(B) Regulatory sign.
(C) Warning sign.