Basic Cloud Programming Multiple Choice Questions(MCQs)& Answers

161 ___________ is another name for resources mentioned in the following figure?

A System Metrics

B System Baseline

C System Parameters

D All of the mentioned

View Answer

Answer: System Metrics

162 Choice the correct statement.

A Page views or hits on the Web site, as measured in transactions per second

B Transactions completed on the database server, as measured by hits per second

C Performance logs are a primary source of data that everyone should have available for planning purposes

D All of the mentioned

View Answer

Answer: Performance logs are a primary source of data that everyone should have available for planning purposes

163 ____________ command is used to display the level of CPU activity in Linux?

A sep

B sav

C sar

D None of the mentioned

View Answer

Answer: sar

164 ____________ tool captures time-dependent performance data from resources such as a CPU load?

A RBTool

B RRDTool

C Perfmon

D None of the mentioned

View Answer

Answer: RRDTool

165 Choice the wrong statement.

A The total workload might be served by a single server instance in the cloud

B Performance logs are the only source of performance measurements

A The amount of resources to be deployed depends upon the characterization of the Web servers involved, their potential utilization rates, and other factors

B All of the mentioned

View Answer

Answer: Performance logs are the only source of performance measurements

166 _____________ tool is used for Web site monitoring service in LAMP?

A Alertra

B Cacti

C Collectd

D None of the mentioned

View Answer

Answer: Alertra

167 ____________ is used as an Open source distributed monitoring system?

A Dstat

B GraphClick

C Ganglia

D None of the mentioned

View Answer

Answer: Ganglia

168 _____________ is not a commercial third-party Web site performance monitor?

A Keynote

B Munin

C Gomez

D All of the mentioned

View Answer

Answer: Munin

169 ____________ is available as both open source and commercial version?

A Zabbix

B ZenOSS

C SiteUpTime

D All of the mentioned

View Answer

Answer: ZenOSS

170 ______________ testing seeks to answer maximum load that my current system can support?

A Load

B Security

C Navigation

D All of the mentioned

View Answer

Answer: Load

171 _______________ resource(s) represents the bottleneck in the current system that limits the system’s performance?

A ROM

B Resource ceiling

C Resource Parameters

D All of the mentioned

View Answer

Answer: ROM

172 Choice the wrong statement.

A Load testing software is a large product category with software and hardware products

B Cloud computing offers virtual solutions

C Load testing is useful in testing the performance of only Web servers

D All of the mentioned

View Answer

Answer: Load testing is useful in testing the performance of only Web servers

173 ______________ application can replay requests to Web servers?

A HTTPerf

B Perfmon

C Autobench

D None of the mentioned

View Answer

Answer: HTTPerf

174 ____________ is often a bottleneck in Web servers?

A Network I/O

B RAM

C Disk

D None of the mentioned

View Answer

Answer: Network I/O

175 Choice the correct statement.

A Most load balancers allow you to weight the requests going to a specific server with the goal of serving more requests to less powerful systems and fewer requests to more powerful systems

B Most load balancers allow you to weight the requests going to a specific server with the goal of serving more requests to more powerful systems and fewer requests to less powerful systems

C Most load balancers allow you to weight the requests going to a specific server with the goal of serving fewer requests to more powerful systems and more requests to less powerful systems

D All of the mentioned

View Answer

Answer: Most load balancers allow you to weight the requests going to a specific server with the goal of serving more requests to more powerful systems and fewer requests to less powerful systems

176 _____________ resource has following graph structure for web servers?

A CPU

B RAM

C Disk

D None of the mentioned

View Answer