Lpi LPIC-3 Exam 304: Virtualization & High Availability, version 2.0 - 304-200 FREE EXAM DUMPS QUESTIONS & ANSWERS]

Question 1

CORRECT TEXT
Which parameter of vgchange controls whether a volume group is shared within a shared storage cluster? (Specify ONLY the option name without any values or parameters.)

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Correct Answer:

-c, c, clustered, --clustered

Question 2

When using HAProxy to load balance requests over a set of web servers, what directive is needed in the HAProxy configuration in order to be able to log, on the backend web servers, the IP address of the client making a request?

A. option exposeclient B. option clientlog C. option reverseproxy D. option forwardfor

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Correct Answer: D Vote an answer

Question 3

Which of the following resources are directly (i.e. without specialized machine images) available to users of an OpenStack cloud? (Choose THREE correct answers.)

A. Application servers for immediate deployment with Mono applications. B. Virtual machines for computing tasks. C. Database servers to store relational data. D. Block storage devices for persistent data storage. E. Object storage that is accessed through an API.

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Correct Answer: B,D,E Vote an answer

Question 4

Which of the following commands can be used to determine whether the local machine is capable of running full virtualized Xen guests? (Choose TWO correct answers.)

A. egrep '(vmx|svm)' /proc/cpuinfo B. dmesg |grep -i intel|grep -i vt; dmesg |grep -i amd|grep -i v C. grep -i "Full Virtualization" /proc/xen D. grep -i "Full Virtualization" /etc/xen/* E. xl dmesg | grep -i hvm

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Correct Answer: A,E Vote an answer

Question 5

Which of the following tools is used to interact with XenStore?

A. xendo B. xs C. xstore D. xenstore-ls E. xl store

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Correct Answer: D Vote an answer

Question 6

After the Xen guest configuration file debian.cfg has been created and successfully tested, which additional action must be performed in order to make this Xen guest start automatically every time the host system boots?

A. It is necessary to add xendomains_auto = yes to the virtual machine configuration file. B. It is necessary to add an entry for debian.cfg to the file /etc/xen/guesttab. C. It is necessary to add a symbolic link to the configuration file in the /etc/xen/auto/ directory. D. It is necessary to run the command xl autostart debian.cfg. E. It is not possible to use Xen and its tools to start virtual machines automatically.

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Correct Answer: C Vote an answer

Question 7

When using the gatewaying/direct routing forwarding method of Linux Virtual Server (LVS), which of the following statements is true?

A. On the backend servers, all packets appear to originate from the IP address of the LVS host. B. The default route of all backend servers must point to the LVS host. C. The link layer addresses of all backend servers must be included in the LVS configuration. D. Every backend server must accept packets addressed to the IP address of the virtual service. E. When using gatewaying/direct routing, only the round robin algorithm is available.

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Correct Answer: D Vote an answer

Question 8

What is the usual way to gain command line access to computing instances in an IaaS cloud?

A. By either telnet or SSH using the credentials of the cloud management system account with administrative privileges. B. By providing a public SSH key to the cloud management system and using the matching private SSH key to log into the instances. C. By using a VNC console which does not require authentication when it is invoked via the cloud management system. D. Usually computing instances are accessed through a web frontend and do not allow command line access. E. By using a telnet session with the credentials set and publicized by the creator of the computing instance's system image.

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Correct Answer: B Vote an answer