T/F Questions

1. In client-server model, Active Directory (AD) is a centralized directory database that contains user account information.

2. When sending an email, the email can be encrypted at the Presentation layer of the OSI model by email client or by the operating systems.

3. DNS name servers are organized in a hierarchical structure.

4. A company cannot use private IP addresses on its private networks.

5. Three-way Handshake is used to establish connections for ARP.