B:
In the early days of computers, there were no choices regarding how to deploy your software; you simply installed it on the computer itself. Today this model is known as “bare metal,” but it is only one of a variety of options available to you. These options include virtual machines, containers, and newer options such as serverless computing.
Bare metal
The most familiar, and the most basic way to deploy software is by installing it directly on the target computer, or the “bare metal.” In addition to this being the simplest method, bare metal deployment has other advantages, such as the fact that software can access the operating system and hardware directly. This is particularly useful for situations in which you need access to specialized hardware, or for High Performance Computing (HPC) applications in which every bit of speed counts.
From Devnet Netacad Course
This question is a freaky and tricky
Netacad : Devnet/6.1.3
"More commonly, bare metal is now used as infrastructure to host virtualization (hypervisors) " and cloud frameworks (orchestrators for virtual compute, storage, and networking resources). Cisco, among others, has pioneered development of software-defined hardware platforms (such as Cisco UCS) that make bare metal infrastructure easily configurable to serve both application and Infrastructure-as-a-Service requirements.
BM is used as infrastructure to host hypervisors, but dont needly provides the hypervisor
Hypervisor is a software for me , in type 1 o type 2 so, " provides the hypervisor to host virtual servers " dont make a sense.
In summary B and C are correct
How can E be correct?? Bare Metal doesn't "provide" anything... and certainly not the hypervisor. BTW it also states "related to application development", so what does using BM imply? --> BM is suitable for legacy application etc etc and BM provides (this time yes! It provides...!) access to hardware features.
To me B, C and E are all correct. B is tricky: not all hardware supports legacy soft. However E is tricky too, a T2 hypervisor runs on top of the host OS.
C and E are correct: look at "Networking Essentials" course on Cisco Netacad.
There are two different Hypervisors approach: "Bare metal" and "Hosted".
In the “bare metal” approach the hypervisor is installed directly on the hardware; then, instances of an OS are installed on the hypervisor (E). In this approach hypervisors have direct access to the hardware resources (C).
In the "hosted" approach the hypervisor is installed on top of the existing OS; then, one or more additional OS instances are installed on top of the hypervisor.
Official cert guide, mostly focused on the Bare-Metal Development for the access to hardware resources and heavy workloads that consume 100% of resources. E is either incorrect or worded incorrectly
B and C
"provides the hypervisor to host virtual servers" Not true for bare metal environmets. This is related to IaaS/Paas cloud providers, they actually provide the virtualization and the organization install the VMs on top of th ehypervisor.
Correct is C ande E:
More commonly, bare metal is now used as infrastructure to host virtualization (hypervisors) and cloud frameworks (orchestrators for virtual compute, storage, and networking resources). Source: Cisco Devnet Fundamental Course | https://developer.cisco.com/certification/fundamentals/
That was my first thought as well, however these tests may be written in a way that certain "keywords" render the answer invalid. In this case one could argue that bare metal environments can be "used to host virtualization (hypervisors)" but do not "provide" them (i.e. hypervisors).
Personally I find this question as yet another example of poorly written one, as these answers should be unambiguous - especially given that this is associate level exam.
actually it looks like the question was created directly based on the AWS link provided by pengyou, lol and you are 100% correct on B&C based on the link
C and E are correct:
https://aws.amazon.com/about-aws/whats-new/2019/02/introducing-five-new-amazon-ec2-bare-metal-instances/
Bare Metal is a virtualization type of deployment, so if you app does not support virtualization at all - it will not work.
Typically - yes. But question says "Bare Metal environments"
A bare metal environment is a computer system or network in which a virtual machine is installed directly on hardware rather than within the host operating system (OS)
https://searchservervirtualization.techtarget.com/definition/bare-metal-environment#:~:text=A%20bare%20metal%20environment%20is,a%20computer's%20OS%20is%20installed.
well, based on the AWS link, it states:
for applications that need to run in non-virtualized environments
which reads to me is that BM are for apps do not support virtualization
upvoted 2 times
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