Statement True False In the Internet, every tier 1 ISP is connected to every tier 2 ISP. TCP offers reliable data transport. UDP offers reliable data transport. Cookies are saved in a separate database for each browser a user uses. HTTP conditional get is based on good time synchronization between the client and the server. SMTP and IMAP can be used (more or less) interchangeably. POP3 and IMAP can be used (more or less) interchangeably. All DNS queries go to the root servers first. DNS servers cache quite aggressively all responses going through them. Modern HTTP versions support persistent connections