Explanation:

- Option 1: Permissible

- Video conferencing for witness examination is widely accepted.

- Many jurisdictions allow this to ensure safety and convenience.

- It benefits witnesses who may be unable to attend in person.

- Option 2: Impermissible

- This option suggests it’s not allowed.

- Generally, most modern legal systems encourage flexible approaches.

- Option 3: Permissible at the option of the witness

- This means witness preference dictates the method.

- Generally, the court weighs in on the method for fairness.

- Option 4: Permissible at the option of the accused

- Suggests accused preference controls the methodology.

- Courts typically decide based on various factors, not just accused preference.

The Correct Answer: Option 1 - Permissible