D) The exarfemtoile A) All the whose 5. Tukey field dat be duplicated because it is the unique identifier for all the information in of the table is the (A) Forenky (1) Secondary key Primary key (D) None of the above 36 DBMS have a data definitive language to do will of the foldering EXCEPT: (A) Specify the creation of the database tables (B) Specify the structure of the content of the database (C) Add, change delete and retrieve data in the database (D) Define the characteristics of the fields in each table 37. Duta quality audits can be performed by surveying (A) Entire data files (B) Samples from data files (C) End users for their perceptions of data quality, (D) All of the above 38. The method of slicing digital messages into parcels, sending them along different communication paths, and then reassembling them after they arrive at their destination is called: (A) Data warehousing (B) Packet switching. (C) TCP/IP (D) Client-server computing. 39. The TCP/IP layer that is responsible for providing the communication and packet services is the (A) Internet layer (B) Transport layer. (C) Application layer. (D) Network interface layer. 40. What tells the browser software exactly where to look for the information being requested? (A) HTTP (Hyper Text Transfer Protocol). (B) URL (Uniform Resource Locator). (C) Domain name. (D) HTML (Hyper Text Markup Language >>Good Luck