Wgu C182 Study Guide Questions And Correct Answers

Bandwidth {Ans: Transfer rate permissible over the media, and is described as bps or b/s (bits per second). **Modern bandwidth is described in millions/billions bits per second (i.e. Mbps or Gbps) *Older tech limited to thousands, (i.e. 56 Kbps)}SQL Injection {Ans: Hacker issues a SQL command to web server as part of URL. B/c web server is not expecting SQL command, may pass SQL command to database. Malicious SQL command may then do damage.}Tuples {Ans: Records represented by rows.}Device Drivers {Ans: Interface b/w OS and hardware.}Information Security Assurance Goals {Ans: "CIA" 1. Confidentiality 2. Integrity 3. Availability}Relational Database {Ans: Most common structure for database. *Distinguished by multiple tables with interrelated fields. *When queried, data can be pulled form any # of relations that may be contained in multiple databases. *Provides lots of flexibility.}