Virtualization and Cloud computing (2) Flashcards
You are an avid fan of Twitch, the streaming application where you entertain yourself as you watch other people play games. Twitch works well at your house and at your friend’s house. However, when you visit the website at work, the website looks fine but you can’t watch anyone play games. You tried this on both your phone and your laptop. Which of the following should you suspect as the reason?
Your company’s Wi-Fi connection bandwidth
Your company data retention policy
Your company firewall
Your company firewall
Your supervisor probably prefers you are not on Twitch but has little actual impact on the site’s performance. The Wi-Fi connection would be sufficient. The company likely has a policy against watching streaming applications or against particular websites like Twitch. However, the data retention policy is not relevant. Instead the firewall is the reason behind the streaming being denied
What is the primary benefit to the virtual desktop feature in Windows 10?
Control the desktop of a remote Windows machine
Share the desktop of a local Windows machine
Host multiple desktops on a local Windows machine
Host multiple desktops on a local Windows machine
Windows 10 allows users to create multiple desktops with simple switching between them. This feature is called virtual desktops, where each desktop might be used for unique work functions or projects
A client complains about the occupied space, abundant power usage, and hardware costs of the multiple machines used in its small data center. Still the client does not wish to lose control over any of the machines. What might you recommend to the client to resolve all of those issues?
Establish clusters for high availability
Create virtual machines
Shut down the nonessential machines
Create virtual machines
The creation of virtual machines would alleviate the issue of space, power, and most of the hardware costs associated with maintaining bare-metal systems. Virtual machines can provide much of the same services, at a fraction of the costs. Control and management of the machines would not change
Which term describes printer, copiers, and other assets on the local network that are available to employees?
Measured resources
Shared resources
Private cloud
Shared resources
Shared resources are those resources made available to multiple employees or users on the network. Shared resources might also describe the cloud infrastructure shared among clients of a cloud provider
Network control and security management of cloud assets is the difference between what two types of shared resources?
Internal vs external
Private vs public
Hybrid vs community
Internal vs external
Internal assets would be under local network control and local security management, while external assets are very likely managed by an external cloud provider
A company using cloud services wishes to better prepare for surges for what it needs. What sort of capacity provisioning by its cloud provider should the company ask for?
Rapid metering
On-demand
Resource pooling
On-demand
For a company needing additional cloud resources as it needs it, the company requires on-demand cloud service
Which term best describes when a cloud provider monitors and controls resource availability depending on usage?
Pooling
Measured service
On-demand
Measured service
Measured service is cloud service based on the monitored use of resources such as storage, CPU utilization, or network bandwidth
\the company’s sales manager wants to ensure that the laptop files of its travelling sales engineers stay consistent with the files on the company cloud. What sort of application could assist with that business need?
Virtualization apps
Emulator apps
Synchronization apps
Synchronization apps
From the business need, it seems the sales manager requires that the laptop files stay synchronized with the cloud. The sales manager should investigate synchronization apps
What technique describes when an organization moves, applications normally restricted to a local desktop to the cloud?
Binary application desktop
Virtual application streaming
Desktop streaming
Virtual application streaming
Deciding to virtually stream an application that is normally run on a desktop permits users to use that application from any desktop, from any location. Virtual application streaming desktop applications can greatly increase portability and productivity
How can an organization permit employees who need to run an application on one mobile device to instead run it from multiple devices?
Virtual application streaming
Wrapping
On-demand desktop
Virtual application streaming
Virtual streaming allows an organization to make a needed application available across multiple devices or form factors. This might apply to any platform the organization needs, be it a desktop computer or a mobile device
An employee travels between multiple offices, using a desktop system in each office. What technology would ensure that the employee’s desktop icons, files, and applications stay uniform across systems in all the offices?
On-demand desktop
Virtual desktop
Desktop emulation
Virtual desktop
Virtual desktop moves the desktop icons, files, and folders to a server instead of the desktop originating from the local machine. When the desktop experience is hosted on a centralized server location, the icons, files, and folders are the same
What enables a guest machine to connect to a network?
Guest applications
Virtual NIC
Host operating system
Virtual NIC
A virtual network interface card (NIC) connects the virtual or guest machine to its local virtual network and any external networks
In setting up and configuring client-side virtualization, what is necessary to consider before purchasing computing and storage hardware?
Resource requirements
Resale value
Physical size
Resource requirements
Before purchasing hardware of a host system to support a number of virtual systems, it is wise to consider the resource requirements of those virtual systems
In setting up and configuring client-side virtualization, what is necessary to consider before configuring a VLAN?
Network requirements
Emulation demands
Storage capacity
Network requirements
Network requirements dictate the need for and configuration of virtual local area networks (VLANs). A VLAN is a network design feature that isolates network traffic by the switch port
What must be defined when wanting to maintain confidentiality, integrity, and availability of the system resources?
Scalability
Elasticity
Security requirements
Security requirements
When wanting to maintain confidentiality, integrity, and availability, security requirements must first be defined
