Deck 1: Introduction to Virtual Computing
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Deck 1: Introduction to Virtual Computing
1
In virtualized computing, a single computer is capable of supporting a single operating system.
False
2
You are working in a VMware vSphere based environment, and have been asked to create a parent virtual machine that can be shared amongst many users. One of the requirements of this desired setup is that individual user changes must be kept separate. What is the best implementation based on the requirements given?
A) The parent virtual machine should be cloned once for each user that will require access.
B) The parent virtual machine should be configured to allow user-specific snapshots.
C) The parent virtual machine should be configured to make use of linked clones.
D) The parent virtual machine should be configured with shared folders that are uniquely named per each user.
A) The parent virtual machine should be cloned once for each user that will require access.
B) The parent virtual machine should be configured to allow user-specific snapshots.
C) The parent virtual machine should be configured to make use of linked clones.
D) The parent virtual machine should be configured with shared folders that are uniquely named per each user.
C
3
A virtual machine can't share the use of a network adapter with the host.
False
4
What virtualization technology makes it possible to avoid overhead associated with software-managed shadow page tables?
A) Time Sliced Prioritization Method (TSPM)
B) Second Level Address Translation (SLAT)
C) Threaded Input / Output Translation (TIOT)
D) Virtual Disk Interface Layer (VDIL)
A) Time Sliced Prioritization Method (TSPM)
B) Second Level Address Translation (SLAT)
C) Threaded Input / Output Translation (TIOT)
D) Virtual Disk Interface Layer (VDIL)
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5
Cloud services are highly reliant upon the use of virtualization technology.
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6
What is the oldest version of Windows Server to support the use of Microsoft's Hyper-V product?
A) Windows Server 2003
B) Windows Server 2008
C) Windows Server 2012
D) Windows Server 2016
A) Windows Server 2003
B) Windows Server 2008
C) Windows Server 2012
D) Windows Server 2016
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7
Which of the following does an operating system installed in a guest virtual machine do?
A) interacts directly with host machine hardware
B) controls the hypervisor
C) interacts with hardware through the hypervisor
D) intercepts requests for an emulated hard drive
A) interacts directly with host machine hardware
B) controls the hypervisor
C) interacts with hardware through the hypervisor
D) intercepts requests for an emulated hard drive
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8
What component of virtualization controls all physical memory, and thus has the ability to make any unused memory pages in each guest available for other virtual machines or the host computer?
A) The guest operating system
B) The host operating system
C) The hypervisor
D) The BIOS
A) The guest operating system
B) The host operating system
C) The hypervisor
D) The BIOS
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9
What hypervisor uses a special guest called Domain 0 that loads along with the hypervisor and is used to directly access the hardware?
A) VMWare ESXi
B) VMWare Workstation
C) Oracle VirtualBox
D) Xen
A) VMWare ESXi
B) VMWare Workstation
C) Oracle VirtualBox
D) Xen
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10
What is the most commonly used form of a Storage Area Network?
A) An iSCSI network
B) A Network Attached Storage device
C) A network shared folder
D) A shared, mounted Virtual Hard Disk file
A) An iSCSI network
B) A Network Attached Storage device
C) A network shared folder
D) A shared, mounted Virtual Hard Disk file
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11
What is the purpose of a shadow page table when a hypervisor is used?
A) It tracks the memory pages allocated by each guest VM.
B) It tracks the hard disk page file usage by each guest VM.
C) It tracks the amount of I/O utilized by each guest VM.
D) It tracks the CPU paging performance of each guest VM.
A) It tracks the memory pages allocated by each guest VM.
B) It tracks the hard disk page file usage by each guest VM.
C) It tracks the amount of I/O utilized by each guest VM.
D) It tracks the CPU paging performance of each guest VM.
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12
When a Xen based guest VM makes a request for a hardware resource, such as reading from a disk, where is the request sent to?
A) It is sent directly to the hardware on the host machine.
B) It is sent to the Domain 0 guest.
C) It is sent to the host operating system, which then handles the request.
D) It is queued into the guest VM's I/O page table.
A) It is sent directly to the hardware on the host machine.
B) It is sent to the Domain 0 guest.
C) It is sent to the host operating system, which then handles the request.
D) It is queued into the guest VM's I/O page table.
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13
The hypervisor intercepts and processes requests coming from the guest operating systems and then returns the results back to the virtual machine.
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14
What is the purpose of the NX/XD CPU feature present in most modern Intel and AMD processors?
A) The feature enables the use of virtualization on the CPU.
B) The feature adds a layer of security by marking areas of memory as non-executable.
C) The feature allows for the use of virtual peripheral devices.
D) The feature increases the efficiency of RAM when used with virtual machines.
A) The feature enables the use of virtualization on the CPU.
B) The feature adds a layer of security by marking areas of memory as non-executable.
C) The feature allows for the use of virtual peripheral devices.
D) The feature increases the efficiency of RAM when used with virtual machines.
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15
Why are type-1 hypervisors more efficient than type-2 hypervisors?
A) A type-1 hypervisor is able to overcommit RAM availability to VM guests.
B) A type-1 hypervisor is capable of running a greater variety of operating systems.
C) A type-1 hypervisor uses an abstraction layer in the host OS to access hardware.
D) A type-1 hypervisor accesses the physical hardware directly.
A) A type-1 hypervisor is able to overcommit RAM availability to VM guests.
B) A type-1 hypervisor is capable of running a greater variety of operating systems.
C) A type-1 hypervisor uses an abstraction layer in the host OS to access hardware.
D) A type-1 hypervisor accesses the physical hardware directly.
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16
Many of the concepts used in today's virtualization products date back to IBM mainframe computers for the 1970s.
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17
Your work environment consists of a large number of Mac OS X based devices. The developers in your network have requested virtualization software be installed for their use. What product should you use?
A) VMware Workstation
B) Hyper-V
C) VMware Fusion
D) Xen
A) VMware Workstation
B) Hyper-V
C) VMware Fusion
D) Xen
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18
What type of cloud computing service provides hardware infrastructure along with necessary operating system software for running client applications?
A) Platform as a Service
B) Software as a Service
C) Infrastructure as a Service
D) Hardware as a Service
A) Platform as a Service
B) Software as a Service
C) Infrastructure as a Service
D) Hardware as a Service
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19
An ISO image file uses what format to store a disc's contents in a single file on a computer?
A) Binary format (BIN)
B) Disc encoded structure format
C) ISO 9660
D) ISO 1040
A) Binary format (BIN)
B) Disc encoded structure format
C) ISO 9660
D) ISO 1040
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20
What feature, supported by VMWare, allows the live migration of a running VM from one host to another?
A) vMigration
B) vTarget
C) vMove
D) vMotion
A) vMigration
B) vTarget
C) vMove
D) vMotion
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21
What format enables a virtual machine to be moved between virtualization platforms, and is often used for deploying virtual appliances?
A) Virtual Machine Disk (VMDK)
B) Virtual Disk Image (VDI)
C) Open Virtualization Format (OVF)
D) Shared Virtualization System (SVS)
A) Virtual Machine Disk (VMDK)
B) Virtual Disk Image (VDI)
C) Open Virtualization Format (OVF)
D) Shared Virtualization System (SVS)
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22
Match between columns
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23
What does a configuration file for a virtual machine contain?
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24
What is the Open Virtualization Format, and how does it facilitate the migration of virtual machines between hypervisors?
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25
What open standard was developed as a result of collaboration between NASA and Rackspace?
A) Open Virtualization Format
B) Virtual Machine Disk format
C) FreeVirt
D) OpenStack
A) Open Virtualization Format
B) Virtual Machine Disk format
C) FreeVirt
D) OpenStack
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26
You are employed by a cloud service provider that offers virtual machine services along with virtual switches, storage, firewalls, and other virtual devices. What type of cloud environment does your employer sell?
A) Infrastructure as a Service
B) Platform as a Service
C) Software as a Service
D) Core as a Service
A) Infrastructure as a Service
B) Platform as a Service
C) Software as a Service
D) Core as a Service
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27
What statement regarding the use of Hyper-V is accurate?
A) Hyper-V includes native support for USB devices.
B) Hyper-V requires a 64-bit processor with hardware virtualization support.
C) Hyper-V can only be used to host Microsoft based virtual machines.
D) Hyper-V does not include support for PATA based disk systems.
A) Hyper-V includes native support for USB devices.
B) Hyper-V requires a 64-bit processor with hardware virtualization support.
C) Hyper-V can only be used to host Microsoft based virtual machines.
D) Hyper-V does not include support for PATA based disk systems.
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28
What is the difference between a Storage Area Network and a Network Attached Storage device?
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29
What is the difference between a fixed size virtual disk and a dynamic virtual disk?
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30
What is the difference between a template and a clone?
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31
What statement regarding virtual disk types is accurate?
A) A fixed size virtual disk does not immediately allocate the configured size of the disk.
B) A fixed size virtual disk has reduced performance in comparison to a dynamic disk.
C) A dynamic disk does not immediately allocate the configured size of the disk.
D) A dynamic disk is only suitable for hosts with large amounts of storage to accommodate their size.
A) A fixed size virtual disk does not immediately allocate the configured size of the disk.
B) A fixed size virtual disk has reduced performance in comparison to a dynamic disk.
C) A dynamic disk does not immediately allocate the configured size of the disk.
D) A dynamic disk is only suitable for hosts with large amounts of storage to accommodate their size.
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32
The VDI disk file format is native to what virtualization platform?
A) Oracle VirtualBox
B) VMware
C) Microsoft Virtual PC
D) Microsoft Hyper-V
A) Oracle VirtualBox
B) VMware
C) Microsoft Virtual PC
D) Microsoft Hyper-V
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33
When using the VMware Horizon software, where do client desktop operating systems run?
A) They run on a host running VMware Workstation Pro.
B) They run on a Windows Server 2012 or later host using Hyper-V
C) They run on a Citrix XenServer.
D) They run on a VMware vSphere ESXi host.
A) They run on a host running VMware Workstation Pro.
B) They run on a Windows Server 2012 or later host using Hyper-V
C) They run on a Citrix XenServer.
D) They run on a VMware vSphere ESXi host.
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34
You have been tasked with creating a virtual machine that will be providing hosted services on the physical network, and possibly the Internet. What network mode should be used?
A) local mode
B) bridged mode
C) shared mode
D) host only mode
A) local mode
B) bridged mode
C) shared mode
D) host only mode
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35
What is NOT a product designed specifically for the virtualization of applications within a VDI environment?
A) VMware Fusion
B) Microsoft App-V
C) Altiris Software Virtualization Solution
D) VMware ThinApp
A) VMware Fusion
B) Microsoft App-V
C) Altiris Software Virtualization Solution
D) VMware ThinApp
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36
You have been tasked with creating a virtual machine that will require access to the Internet, but should be prevented from sending and receiving packets directly from the physical network. What network mode should be used?
A) local mode
B) bridged mode
C) shared (NAT) mode
D) host only mode
A) local mode
B) bridged mode
C) shared (NAT) mode
D) host only mode
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37
What is the difference between a thick client and a thin client?
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38
How do the three types of cloud computing differ from each other?
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39
What are the three network modes that can be used for a virtual machine, and what does each mode do?
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40
Why has VDI (Virtual Desktop Infrastructure) become such a major player in IT data centers?
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41
How might a software developer benefit from the use of virtualization?
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