Basic Cloud Programming Multiple Choice Questions(MCQs)& Answers

Questions
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

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

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

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163 ____________ command is used to display the level of CPU activity in Linux?
A sep
B sav
C sar
D None of the mentioned

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

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

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

Answer: Alertra
167 ____________ is used as an Open source distributed monitoring system?
A Dstat
B GraphClick
C Ganglia
D None of the mentioned

Answer: Ganglia
168 _____________ is not a commercial third-party Web site performance monitor?
A Keynote
B Munin
C Gomez
D All of the mentioned

Answer: Munin
169 ____________ is available as both open source and commercial version?
A Zabbix
B ZenOSS
C SiteUpTime
D All of the mentioned

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

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

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

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

Answer: HTTPerf
174 ____________ is often a bottleneck in Web servers?
A Network I/O
B RAM
C Disk
D None of the mentioned

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

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

Answer: CPU
177 _____________ resource has following graph structure for web servers?
A Network I/O
B RAM
A Disk
B None of the mentioned

Answer: Polymorphism
178 What does WnsP represent in the following formula?

WT = Σ(WSnP WSnV)

A workload of the virtual servers
B workload of your physical server
C sum over all the Web servers
D all of the mentioned

Answer: workload of your physical server
179 A master/slave MySQL replication architectural scheme is used for ________ database applications.
A medium size
B large
C smaller
D all of the mentioned

Answer: smaller
180 ________ performance analysis tool lets you save its state for Windows?
A MMS
B CloudWatch
C Microsoft Management Console
D All of the mentioned

Answer: Microsoft Management Console
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