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MCQs

Total Questions : 10
Question 1. Which of the following tool is used for Web site monitoring service in LAMP ?
  1.    Alertra
  2.    Cacti
  3.    Collectd
  4.    None of the mentioned
 Discuss Question
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.
  1.    system
  2.    software
  3.    hardware
  4.    None of the mentioned
 Discuss Question
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.
  1.    paravirtualization
  2.    full virtualization
  3.    emulation
  4.    None of the mentioned
 Discuss Question
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 ?
  1.    WAMP
  2.    XAMPP
  3.    LAMP
  4.    None of the mentioned
 Discuss Question
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.    1
  2.    2
  3.    3
  4.    All of the mentioned
 Discuss Question
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 ?
  1.    TCPdump
  2.    Wireshark
  3.    Ntop
  4.    None of the mentioned
 Discuss Question
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 ?
  1.    Apache mod_balancer
  2.    Apache mod_proxy_balancer
  3.    F6's BigIP
  4.    All of the mentioned
 Discuss Question
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)
  1.    workload of the virtual servers
  2.    workload of your physical server
  3.    sum over all the Web servers
  4.    All of the mentioned
 Discuss Question
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 ?
  1.    High-Memory Quadruple Extra Large Instance
  2.    Small Instance
  3.    Micro Instance
  4.    High-CPU Extra Large Instance
 Discuss Question
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.
  1.    VAA
  2.    VAS
  3.    VSA
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> VAA


Dependencies include DLL,service settings, necessary configuration files, registry entries, and machine and network settings.


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