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Exam contains 117 questions

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Question 55 🔥

Which of the following statements are true regarding emulation? (Choose TWO correct answers.)

Which database solution meets these requirements?

A. Emulation can only provide distinct hardware components but no complete virtual machines.

Highly voted

B. Emulation requires changes to the guest operating system.

Highly voted

C. Emulation reimplements a whole computing system in software.

Highly voted

D. Emulation allows operating systems to be run on foreign architectures.

Highly voted

E. Emulation is one of the most resource efficient virtualization techniques.

Highly voted

Discussion of the question

Question 56 🔥

Which of the following statements are true about container-based virtualization? (Choose TWO correct answers.)

Which database solution meets these requirements?

A. All containers run within the operating system kernel of the host system.

Highly voted

B. Different containers may use different distributions of the same operating system.

Highly voted

C. Each container runs its own operating system kernel.

Highly voted

D. Container-based virtualization relies on hardware support from the host systems CPU.

Highly voted

E. Linux does not support container-based virtualization because of missing kernel APIs.

Highly voted

Discussion of the question

Question 57 🔥

Which of the following statements describes the concept behind paravirtualization?

Which database solution meets these requirements?

A. Guest operating systems are modified to actively cooperate with the hypervisor in order to ease virtualization costs and gain better performance.

Highly voted

B. Instead of running full virtual machines, containers are used to separate distinct parts of one commonly shared operating system that appear as a virtual machine.

Highly voted

C. To avoid the need for virtualization, special security measures are taken to allow different applications to coexist on one physical machine.

Highly voted

D. Each operating system is trusted to use only those resources assigned to it, thereby eliminating the need of an additional virtualization layer.

Highly voted

Discussion of the question

Question 58 🔥

Which of the following statements are true regarding resource management for full virtualization? (Choose TWO correct answers.)

Which database solution meets these requirements?

A. The hypervisor may provide fine-grained limits to internal elements of the guest operating system such as the number of processes.

Highly voted

B. Full virtualization cannot pose any limits to virtual machines and always assigns the host system's resources in a first-come-first-serve manner.

Highly voted

C. It is up to the virtual machine to use its assigned hardware resources and create, for example, an arbitrary amount of network sockets.

Highly voted

D. The hypervisor provides each virtual machine with hardware of a defined capacity that limits the resources of the virtual machine.

Highly voted

E. All processes created within the virtual machines are transparently and equally scheduled in the host system for CPU and I/O usage.

Highly voted

Discussion of the question

Question 59 🔥

SIMULATION -In order to determine if a virtualization host offers Intel VT-x support, which CPU flag must be searched for in the file /proc/cpuinfo? (Specify the name of the CPU flag as it is mentioned in the given file only without any additional information.)

Question 60 🔥

Which of the following statements is true regarding the following output of xl list:Name ID Mem VCPUs State Time(s)Domain-0 0 384 1 r----- 498.7Debian 2 305 1 --p--- 783.5Slack 6 64 1 -b---- 313.6CentOS 7 512 2 r----- 455.1

Which database solution meets these requirements?

A. It is necessary to use the xl command to change Slack's state to running.

Highly voted

B. CentOS is the domain which has consumed the most CPU time.

Highly voted

C. The domain with ID 2 uses paravirtualization.

Highly voted

D. Both Debian and Slack require xl commands to start running.

Highly voted

E. Slack is idle or waiting for I/O.

Highly voted

Discussion of the question

Ready to Pass Your Certification Test

lpi 304_200

Exam contains 117 questions

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