Block 4 Unit 2 Flashcards

(34 cards)

1
Q

What is a combination of software applications and an operating system tricked into thinking it has dedicated hardware?

A

Virtual Machine

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2
Q

Do VMs have a BIOS, hard disk, memory, CPU, and Operating System? (T/F)

A

True

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3
Q

______ is the physical computer hardware on which the virtualized environment resides.

A

Host Server

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4
Q

The _____ or ______ is the link managing communications between the host server and virtualized environment.

A

Hypervisor, Virtual Machine Monitor

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5
Q

A single virtual environment consists of only one guest OS. (T/F)

A

False

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6
Q

________ virtualization is a method of simulation a user workstation so it can be accessed form a remotely connected device.

A

Desktop

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7
Q

Name the three types of desktop virtualization architectures.

A

Presentation virtualization, Virtual Desktop Infrastructure (VDI), User Profile Virtualization.

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8
Q

What is the most common type of virtualization, partitioning the physical server into smaller virtual servers?

A

Server Virtualization

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9
Q

Name the three commercial pieces of software that enables server utilization.

A

VM Ware, Citrix XCenServer, Microsoft Hyper-V

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10
Q

What are the three main types of server virtualization?

A

Operating-system-level Virtualization, Hardware emulation, Para-virtualization

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11
Q

______ virtualization allows multiple users to simultaneously access the same application installed on a central server.

A

Application

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12
Q

What type of virtualization is used to pool physical storage from multiple, often separate, network storage devices into one logical storage device that is centrally controlled?

A

Storage Virtualization

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13
Q

What are the common applications of virtualization technologies?

A

Load balancing, server pooling, server consolidation, training, development and testing, disaster recovery

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14
Q

What type of hyper visor has the virtualization software installed directly on the machine hardware?

A

Type-1 (Bare-Metal)

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15
Q

What type of hyper visor is installed onto an operating system?

A

Type-2 (Hosted)

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16
Q

What is a disadvantage of a Bare-Metal hyper visor?

A

Limited hardware support due to built in drivers

17
Q

What are advantages of a Type 2 hyper visor?

A

Ease of installation and use, flexibility and cost-effectiveness for personal or small-scale virtualization

18
Q

What are the four main benefits of virtualization?

A

Increased efficiency and resource utilization, simplified disaster recovery and business continuity, reduced costs, and enhanced recource utilization.

19
Q

Server consolidation allows one server to virtually host many once-dedicated servers that may have been underutilized in their stand-alone state. (T/F)

20
Q

A Total Cost of Ownership (TCO) benefit increases a business’s return on investment (ROI) and is achieved by _______, _______, and ______.

A

Increased server utilization, Decreased infrastructure cost, lower cost to deploy new virtual environment.

21
Q

Name the three environment issues that virtualization addresses.

A

Reduced electrical energy consumption, Decreased cooling requirement, Decreased physical space.

22
Q

Dynamically allocating resources to workload is_____ balancing and improve the efficiency and autonomy of resource management.

A

Automatic load balancing

23
Q

What are the six main areas of concern regarding virtualization security?

A

Training & education, Change control, Asset tracking & management, Patch management, Authentication & Authorization, Logging & Auditing

24
Q

What board considers any changes or upgrades to base infrastructure whether physical or virtual?

A

Change control and review boards

25
Organization should create and maintain detailed inventories of software and hardware. This applies to physical and virtual software and falls under the virtualization security concern of ____ and_____.
Lack of asset tracking management and unaccounted VM
26
Define Patch Management.
virtual security concern is concerned with ensuring the servers and seemingly inconsequential components are patched and maintained so that the network infrastructure is not exposed to critical security issues.
27
What shared operating system makes us of container-based virtualization and allows application on the same server to share the kernel?
Host operating system
28
What are the logical partitions used to separate applications on the same server?
Containers
29
The main factors limiting the number of virtual machines (VMs) that a host can support are_____ and _____.
Processing power, memory
30
What is the minimum RAM requirements for one virtual Microsoft Server 2019?
512 MB
31
What is the minimum HDD storage space requirements for Microsoft Server 2019?
32 GB
32
What is the minimum amount of NICs required to operate a host server?
2 NIC
33
What is the recommended amount of NICs required for optimal host server performance?
4 NIC
34
For host servers without on-board graphics processing units (GPUs), an adaptor card will be required to be installed onto the motherboard utilizing the PCI Express slot.
True