Virtualization Layer And Capacity Planning(Engineering > Computer Science And Engineering > Cloud Computing ) Questions and Answers
Question 1. Which of the following tool is used for Web site monitoring service in LAMP ?
Alertra
Cacti
Collectd
None of the mentioned
Explanation:-
Answer: Option A. -> Alertra
Cacti is RRDTool graphing module.
Question 2. A _______ image makes a copy or a clone of the entire computer system inside a single container such as a file.
system
software
hardware
None of the mentioned
Explanation:-
Answer: Option A. -> system
The system imaging program is used to make this image and can be used later to restore a system image.
Question 3. In a ____________ scheme, the VM is installed as a Type 1 Hypervisor directly onto the hardware.
paravirtualization
full virtualization
emulation
None of the mentioned
Explanation:-
Answer: Option B. -> full virtualization
All operating systems in full virtualization communicate directly with the VM hypervisor.
Question 4. Which of the following is one of the major categories of Amazon Machine Instances that you can create on the Amazon Web Service ?
WAMP
XAMPP
LAMP
None of the mentioned
Explanation:-
Answer: Option C. -> LAMP
On Amazon Web Services, machine instances are offered for both Red Hat Linux and for Ubuntu.
Question 5. An operating system running on a Type __ VM is a full virtualization.
1
2
3
All of the mentioned
Explanation:-
Answer: Option A. -> 1
Because it is a complete simulation of the hardware that it is running on.
Question 6. Which of the following packet sniffer was formerly called Ethereal ?
TCPdump
Wireshark
Ntop
None of the mentioned
Explanation:-
Answer: Option B. -> Wireshark
Regardless of which of these tools you use, the statistics function of these tools provides a measurement of network capacity as expressed by throughput.
Question 7. Which of the following software can be used to implement load balancing ?
Apache mod_balancer
Apache mod_proxy_balancer
F6's BigIP
All of the mentioned
Explanation:-
Answer: Option B. -> Apache mod_proxy_balancer
Load balancing can be used to increase utilization and throughput, lower latency, reduce response time, and avoid system overload.
Question 8. What does WnsP represents in the following formula ?WT = S(WSnP WSnV)
workload of the virtual servers
workload of your physical server
sum over all the Web servers
All of the mentioned
Explanation:-
Answer: Option B. -> workload of your physical server
In this equation, WSnP represents the workload of your physical server(s) and WSnV is the workload of the virtual servers (cloud-based server instances) of your infrastructure.
Question 9. Which of the following instance has API name: m2.4xlarge ?
High-Memory Quadruple Extra Large Instance
Small Instance
Micro Instance
High-CPU Extra Large Instance
Explanation:-
Answer: Option D. -> High-CPU Extra Large Instance
High-CPU Extra Large Instance has 7GB of memory and 20 EC2 Compute Units.
Question 10. _______ creates a container that encapsulates the application and all the application's dependencies within a set of files.
VAA
VAS
VSA
None of the mentioned
Explanation:-
Answer: Option A. -> VAA
Dependencies include DLL,service settings, necessary configuration files, registry entries, and machine and network settings.