Top 10 answers 304-200 for IT engineers (51 to 60)

Exam Code: 304-200 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: LPIC-3 Virtualization & High Availability
Certification Provider: LPI
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2016 Oct 304-200 practice

Q51. Which of the following directives is used in the configuration file of a Xen guest domain in order to define network interfaces? 

A. vif 

B. eth 

C. vnet 

D. vbr 

E. net 

Answer:


Q52. Which of the following statementsaretrue regarding Xen domains? (Choose TWO correct answers.) 

A. Fully virtualized and paravirtualized domains are managed using the same tools and commands. 

B. Xen domains of all types require virtualization extensions in the host system's CPU. 

C. All fully virtualized domains are called 'Dom0' while all paravirtualized domains are called 'DomU'. 

D. Both paravirtualized and fully virtualized domains may run on the same host system. 

E. Paravirtualized domainsare significantly slower than fully virtualized domains. 

Answer: A, D 


Q53. CORRECT TEXT 

What is the name of the global configuration file for the xl tool stack? (Specify the file name only without any path.) 

Answer: 

/etc/xen/xl.conf, xl.conf 


Q54. Which of the following statements are true regarding emulation? (Choose TWO correct answers.) 

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

B. Emulation requires changes to the guest operating system. 

C. Emulation reimplements a whole computing system in software. 

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

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

Answer: C, D 


Q55. Which of the following technologies is the most important component of IaaS clouds? 

A. Database replication 

B. DNS delegation 

C. Emulation 

D. Mandatory Access Control 

E. Virtualization 

Answer:


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Q56. Which kernel module must be loaded to initiate a RAID-1 like copy of data on two separate storage devices for a clustered storage solution? 

A. rsyncd 

B. drbd 

C. clraid 

D. clmirror 

Answer:


Q57. 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 reverseproxy 

B. option forwardfor 

C. option clientlog 

D. option exposeclient 

Answer:


Q58. Which of the following device classes are commonly used STONITH devices? (Choose THREE correct answers.) 

A. Uninterruptable Power Supplies, UPS 

B. CPU frequency management tools 

C. Blade Control Devices 

D. Remote Management Services like iLO or DRAC 

E. Local node storage 

Answer: A, C, D 


Q59. Which of the following are tools or services that manage a Linux Virtual Server (LVS) setup? (Choose TWO correct answers.) 

A. keepalived 

B. ldirectord 

C. lvproxy 

D. roundrobind 

E. vserverd 

Answer: A, B 


Q60. Which one of the following is NOT a required component for running an OCFS2 filesystem resource in a Pacemaker cluster? 

A. A clone resource for the OCFS2 file system. 

B. A shared storage device accessible by all nodes using the OCFS2 filesystem. 

C. The distributed lock manager (DLM). 

D. The cluster logical volume manager (CLVM). 

E. The O2CB service. 

Answer:



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