Engineering Questions with Answers - Multiple Choice Questions
MCQs on Baseline Measurements
1 - Question
Which of the following 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: a
Explanation: A machine instance (physical or virtual) is primarily defined by four essential resources.
2 - Question
Point out 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: c
Explanation: There are two important overall workload metrics in the LAMP system.
3 - Question
Which of the following 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: c
Explanation: sar is installed in Linux as part of the sysstat package.
4 - Question
Which of the following 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: b
Explanation: RRDTool stands for the Round Robin Database tool.
5 - Question
Point out 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
c) The amount of resources to be deployed depends upon the characterization of the Web servers involved, their potential utilization rates, and other factors
d) All of the mentioned
View Answer
Answer: b
Explanation: Performance logs are not the only source of performance measurements.
6 - Question
Which of the following tool is used for Web site monitoring service in LAMP?
a) Alertra
b) Cacti
c) Collectd
d) None of the mentioned
View Answer
Answer: a
Explanation: Cacti is RRDTool graphing module.
7 - Question
Which of the following is used as an Open source distributed monitoring system?
a) Dstat
b) GraphClick
c) Ganglia
d) None of the mentioned
View Answer
Answer: c
Explanation: GraphClick is a digitizer that can create a graph from an image.
8 - Question
Which of the following is not a commercial third-party Web site performance monitor?
a) Keynote
b) Munin
c) Gomez
d) All of the mentioned
View Answer
Answer: b
Explanation: Munin is open source network resource monitoring tool.
9 - Question
Which of the following is available as both open source and commercial version?
a) Zabbix
b) ZenOSS
c) SiteUpTime
d) All of the mentioned
View Answer
Answer: b
Explanation: ZenOSS is used to monitor operations.
Explanation: ZenOSS is used to monitor operations.
10 - Question
Which of the following 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: a
Explanation: Load testing is also referred to as performance testing, reliability testing, stress testing, and volume testing.
Explanation: Load testing is also referred to as performance testing, reliability testing, stress testing, and volume testing.