# Certification Questions

• #### SAP Certification

Q:

Which class of IP address provides a maximum of only 254 host addresses per network ID?

 A) Class A B) Class B C) Class C D) Class D

Explanation:

Class C network address has only 8 bits for defining hosts : $\inline 2^{8}-2=254$

Filed Under: CCNA - CISCO Certification

3 5546
Q:

If a switch has three computers connected to it, with no VLANs present, how many broadcast and collision domains is the switch creating?

 A) Three broadcast and one collision B) Three broadcast and three collision C) one broadcast and three collision D) One broadcast and one collision

Explanation:

If a switch has three computersconnected to it, with no VLANs present , one broadcast and three collision domains are created.

Filed Under: CCNA - CISCO Certification

1 4889
Q:

What does Mean Time to Repair (MTTR) mean?

 A) Average uptime of a service B) Average downtime of a service C) Average time between two consecutive incidents D) Average time of the breakdown-free period within a measured period

Explanation:

Filed Under: ITIL Certification

8 4726
Q:

What is the best definition of an Incident Model?

 A) A type of Incident involving a standard (or model) type of Configuration Item (CI) B) A set of pre-defined steps to be followed when dealing with a known type of Incident C) The template used to define the Incident logging form used to report Incidents D) An Incident that is easy to solve

Answer & Explanation Answer: B) A set of pre-defined steps to be followed when dealing with a known type of Incident

Explanation:

Filed Under: ITIL Certification

2 4331
Q:

A statistical method for identifying which factors may influence specific variables of a product or process under development or in production is called

 A) cost benefit analysis. B) sensitivity analysis. C) cost of quality analysis. D) design of experiments.