What is the best definition of Crowdsourced data collection?

1. A. Crowdsourcing should not be used to gather data because there will be too many opinions and not enough facts
2. B. Crowdsourcing is the process of obtaining needed data by soliciting contributions from a large group of people, and especially from an online community, rather than from traditional employees or suppliers
3. C. Crowdsourced data is the best way of finding data because so many people are contributing their definitions
4. D. Crowdsourced data is the data that comes from using a company wiki to gather data because anyone in the crowd can contribute
5. E. Crowdsourced data collection is only used by researchers to answer research, survey or feedback questions

Correct Answer: B

The number of entities in a relationship is the arity of the relationship. The most common are:

1. A. Unary
2. B. Binary
3. C. Trinary
4. D. Ternary

Correct Answer: ABD

A DMZ is bordered by 2 firewalls. These are between the DMZ and the:

1. A. Korean peninsula
2. B. Internet, for added security
3. C. Internet and extranet
4. D. Internet and internal systems
5. E. Internet and intranet

Correct Answer: D

Characteristics that minimise distractions and maximise useful information include, but not limited to, consistent object attributes

1. A. TRUE
2. B. FALSE

Correct Answer: A

Taxonomies can have different structures, including:

1. A. Polyhierarchy
2. B. Application
3. C. Facet taxonomy
4. D. Network taxonomy
5. E. Flat taxonomy
6. F. All of the above

Correct Answer: ACDE