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1 3 . An order table links to the customer table through the customer number field, which is common to both. What is the relation

13. An order table links to the customer table through the customer
number field, which is common to both. What is the relation between
the order and customer tables?
(a) one-to-one
(b) many-to-many
(c) one-to-many
(d) many-to-one
14. Which one of the following is the most secure password?
(a) privilege
(b) SiyaBonga
(c) JaBuLanI
(d) V5Gbd1j2C
15. What is the most suitable medium for backing up data in a business
environment?
(a) floppy disk
(b) CD-ROM
(c) magnetic tape
(d) hard disk
16. A network of 25 computers uses mainly the Internet. What is the most
likely network protocol?
(a) NetBUI
(b) TCP/IP
(c) IPX/SPX
(d) Novell 4.11
17. Which of the following refers to unauthorised access to a computer
system?
(a) data diddling
(b) polony splicing
(c) data fiddling
(d) hacking
18. What does a range constraint define?
(a) the field type
(b) the possible value of a field
(c) part of a record
(d) the property of an entity
19. Which one of the following best describes a network of computers in
the same building?
(a) LAN
(b) MAN
(c) CAN
(d) WAN
20. Which one of the following is an example of volatile memory?
(a) ROM
(b) RAM
(c) hard disk
(d) magnetic tape
21. SAP is an example of what kind of software?
(a) utility
(b) enterprise
(c) system
(d) batch
22. Which coding language is used to create web pages?
(a) SQL
(b) HTML
(c) FTP
(d) HTTP
23. Which one of the following tracks when and where a change was
made to a database?
(a) a date stamp
(b) a user view
(c) an audit trail
(d) an access right
24. Which database model is the standard for desktop systems?
(a) flat
(b) network
(c) hierarchical
(d) relational
25. Which type of computer is most vulnerable to data theft?
(a) PDA
(b) PC
(c) mainframe
(d) supercomputer

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