What are the disadvantages of V2X communication? a. Increased traffic safety b. Tracking of movement c. Efficient use of fuel d. None of these

The disadvantages of V2X communication are not listed in the options you provided. However, they typically include:

1. Privacy concerns: V2X communication involves the exchange of information between vehicles and infrastructure. This could potentially lead to tracking of movement, which raises privacy concerns.

2. High implementation costs: The infrastructure needed for V2X communication is expensive to install and maintain.

3. Technological compatibility: There may be compatibility issues between different vehicles and infrastructure, especially given the rapid pace of technological advancement.

4. Security risks: As with any connected technology, V2X communication is susceptible to hacking and other security risks.

So, the correct answer to your question would be "d. None of these" as the options provided are actually potential advantages of V2X communication, not disadvantages.