500m from this sign, are drivers allowed to honk?

500m from where this sign is located, are drivers allowed to honk?

• A

  Have

• B

  Are not

  According to the National Technical Regulation on Road Signs QCVN 41:2019, additional signs are often placed in combination with main signs to explain and supplement for better understanding. This sign is rectangular or square in shape, placed right below the main sign.
  The "no horn" sign (symbol P.128) is accompanied by the S.501 "area of ​​effect of the sign" sign right below.
  The S.501 license plate prohibits vehicles from using their horns within 500 meters of the sign.

Japanese

Source: https://vtcnews.vn/chieu-dai-doan-duong-500m-tu-noi-dat-bien-nay-tai-xe-co-duoc-bam-coi-ar858604.html