CIS 150 Final Exam Review Sheet Multiple Choice Identify the ...

____ 12. Security auditing is handled by ____.a. network management services c. access servicesb. communication services d. Internet services____ 13. Dependability is a characteristic of ____.a. soft skills c. technical skillsb. network communications d. network servers____ 14. ____ is a popular career development tool for job seekers and a measure of an employee’s qualifications foremployers.a. Certification c. Degree auditingb. Evaluation d. Apprenticeship____ 15. The ____ is a specialized United Nations agency that provides developing countries with technical expertiseand equipment to advance those nations’ technological bases.a. ANSI c. ITUb. ISO d. ISOC____ 16. In which OSI model layer does TCP operate?a. Physical c. Networkb. Transport d. Data Link____ 17. Transport layer protocols break large data units into ____.a. PDUs c. framesb. segments d. block IDs____ 18. In which OSI model layer does IP operate?a. Physical c. Networkb. Transport d. Data Link____ 19. Which Data Link sublayer manages flow control?a. LLC c. Management layerb. MAC d. Addressing layer____ 20. Which Data Link sublayer manages access to the physical medium?a. LLC c. Management layerb. MAC d. Addressing layer____ 21. In which OSI model layer do hubs operate?a. Physical c. Data Linkb. Network d. Physical and Data Link____ 22. A digital signal composed of a pulse of positive voltage represents a(n) ____.a. 0 c. 4b. 1 d. 8____ 23. The byte 00001110 means ____ on a digital network.a. 3 c. 14b. 6 d. 30____ 24. In modulation, a simple wave called a(n) ____ wave, is combined with another analog signal to produce aunique signal that gets transmitted from one node to another.a. carrier c. information