How many generations of computer languages

Idon understand these and need some ! ?

Who is the first president to use social media as part of his campaign strategy

Select the correct answer. peter has launched a website that features baby products. however, clients often find they are unable to access the website because the server is down. which feature of cybersecurity should peter focus on for his website? a. data authenticity b. data privacy c. data availability d. data integrity e. data encryption