最新LPIC Level3 304-200考試題庫，Lpi 304-200課程的擬真試題下載

問題1
Which daemon applies the configuration and commands of libvirt to the virtualization components of the host system?

A. libvirt-worker

B. virtuald

C. libvirtd

D. libvirtmgr

E. vmd

正確答案: C

問題2
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.)

正確答案:

-c, c, clustered, --clustered

問題3
Which of the following statements are true regarding IaaS computing instances? (Choose TWO correct answers.)

A. Once created, computing instances are seldom deleted in order to ensure the accessibility of the instance's data.

B. Creation of new instances can be automated by using scripts or APIs and service interfaces.

C. Each and every user of an IaaS cloud has exactly one computing instance.

D. The root file system of a computing instance is always persistent and can be accessed after the instance is destroyed.

E. Instances may be created when needed and destroyed when they become obsolete.

正確答案: B,E

問題4
Which of the following statements is true regarding journals of a GFS2 filesystem?

A. Once a GFS2 filesystem is created, the number of journals cannot be changed.

B. Every node that simultaneously mounts the filesystem requires its own GFS2 journal.

C. Each GFS2 filesystem has exactly one journal.

D. Journals were heavily used in GFS and are deprecated and optional in GFS2.

E. The GFS Cluster Journal Daemon, GCJD, handles the journaling in a GFS2 cluster.

正確答案: B

問題5
Which options to the xl command will deactivate a running Xen virtual machine? (Choose TWO correct answers.)

A. stop

B. halt

C. shutdown

D. destroy

E. remove

正確答案: C,D

問題6
CORRECT TEXT
When using direct Linux booting to start Linux within a KVM virtual machine, which KVM parameter is used to specify parameters for the Linux Kernel? (Specify ONLY the option name without any values or parameters.)

正確答案:

append, -append

問題7
How can the state of the backing storage disks of a DRBD device be checked? (Choose TWO correct answers.)

A. cat /proc/drdb

B. cat /proc/drdb/status

C. drbdadm diskstatus all

D. drbdadm dstate all

E. drbdadm state --disk all

正確答案: A,D

問題8
Which actions should be taken in a load balanced cluster in order to protect the load balancer against outages?

A. Two or more load balancers should be deployed as a cascade that passes packets from one to the other.

B. Load balancers cannot be protected against outages which is why they should always be built on dedicated hardware.

C. Load balancers are used for performance and scalability reasons only and cannot be used to archive high availability clusters.

D. Two load balancers should be deployed as a failover cluster.

E. No actions are necessary as a load balancer cannot become a single point of failure.

正確答案: D

問題9
Which of the following products use container-based virtualization? (Choose THREE correct answers.)

A. KVM

B. Xen

C. LXC

D. OpenVZ

E. Linux VServer

正確答案: C,D,E

問題10
Which of the following statements are true regarding a load balancer? (Choose TWO correct answers.)

A. All incoming connections to the cluster services are received by the load balancer.

B. The load balancer is usually deployed on one of the backend servers.

C. Load balancers may be able to analyze traffic.

D. All response packages sent from a backend server to a client must pass through the load balancer.

E. Failover clusters are not operational without at least one dedicated load balancer.

正確答案: A,C

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