1
Virtualization is the process of
Correct Answer
creating a virtual version of a resource such as a server or storage
☑ MCQ PRACTICE
Cloud Computing Unit 3
Practice objective questions for quick revision and examination preparation. Try answering each question before revealing the answer.
Cloud Computing MCQs - Unit 3
2
The software layer that creates and runs virtual machines is the
Correct Answer
hypervisor
3
A Type 1 hypervisor
Correct Answer
runs directly on the hardware (bare metal)
4
A Type 2 hypervisor
Correct Answer
runs on top of a host operating system
5
In paravirtualization, the guest operating system is
Correct Answer
modified to be aware of the hypervisor
6
In full virtualization, the guest operating system
Correct Answer
runs unmodified
7
Which of the following is a Type 1 hypervisor?
Correct Answer
VMware ESXi
8
Hardware support for virtualization is provided by
Correct Answer
Intel VT-x and AMD-V
9
Moving a running virtual machine from one physical host to another without downtime is called
Correct Answer
live migration
10
A major benefit of virtualization is
Correct Answer
better utilisation of hardware through server consolidation
11
Combining multiple physical storage devices into a single logical storage unit is
Correct Answer
storage virtualization
12
MapReduce is a programming model for
Correct Answer
processing large data sets in parallel on a cluster
13
The two main functions of MapReduce are
Correct Answer
Map and Reduce
14
The output of the Map function is
Correct Answer
intermediate key/value pairs
15
The Reduce function
Correct Answer
aggregates the values that share the same key
16
The open-source implementation of the MapReduce framework is
Correct Answer
Hadoop
17
HDFS stands for
Correct Answer
Hadoop Distributed File System
18
In MapReduce, the step between Map and Reduce that groups values by key is
Correct Answer
shuffle and sort
19
Cloud Haskell is a framework for
Correct Answer
distributed programming in Haskell using message passing
20
Haskell is a
Correct Answer
purely functional programming language
21
Cloud Haskell follows which concurrency style?
Correct Answer
Message passing between processes (actor model)
22
A development environment that works in a web browser is called a
Correct Answer
cloud IDE
23
In the MapReduce word-count example, for each word the mapper emits
Correct Answer
(word, 1)
24
MapReduce achieves fault tolerance by
Correct Answer
re-executing failed tasks on other nodes
25
Which of the following is NOT a hypervisor?
Correct Answer
Apache Tomcat
Fill in the Blanks
26
VMM stands for Virtual Machine Monitor, which is also called a ______.
Correct Answer
hypervisor
27
A ______ hypervisor runs directly on the hardware (bare metal).
Correct Answer
Type 1
28
In ______ virtualization, the guest operating system is modified to work with the hypervisor.
Correct Answer
para
29
Moving a running virtual machine to another host without downtime is called ______ migration.
Correct Answer
live
30
MapReduce was developed by ______.
Correct Answer
Google
31
The two phases of MapReduce are ______ and Reduce.
Correct Answer
Map
32
The step that sorts and transfers data from mappers to reducers is called ______.
Correct Answer
shuffle
33
HDFS stands for ______.
Correct Answer
Hadoop Distributed File System
34
The open-source implementation of MapReduce is ______.
Correct Answer
Hadoop
35
Cloud Haskell processes communicate by ______ passing.
Correct Answer
message
36
Haskell is a purely ______ programming language.
Correct Answer
functional
37
In the MapReduce word-count example, the mapper emits (word, ______).
Correct Answer
1
38
Running many virtual machines on fewer physical servers to improve utilisation is called server ______.
Correct Answer
consolidation
39
Intel VT-x and AMD-V provide ______ support for virtualization.
Correct Answer
hardware
40
A ______ IDE lets developers write and run code using only a web browser.
Correct Answer
cloud