Q1 The ABC Company is a geographically distributed organization with some sites around the country. Users at these sites need rapid access to data for transaction processing purposes. The sites are autonomous; they do not share the similar customers, products, or suppliers. Which distributed database process is best under these circumstances.

Q2. How is the replication of the viral genome of retroviruses unique among the viruses? Why was it before believed that only DNA viruses could cause cancer? How could RNA viruses cause cancer?