最新的LPIC Level 3認證 306-300考試題庫

問題1

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.) Solution: -c -or- c -or- clustered -or- --clustered Determine whether the given solution is correct?

A. Correct

B. Incorrect

正確答案: A

問題2

Which software utility is commonly used to manage software RAID devices on Linux?

A. lvm

B. fdisk

C. mdadm

D. fsck

正確答案: C

問題3

Which mechanism is used to ensure only one node has access to shared resources in a cluster?

A. Replication

B. Fencing

C. Split brain

D. Quorum

正確答案: B

問題4

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

A. Local node storage

B. Blade Control Devices

C. Uninterruptable Power Supplies, UPS

D. Remote Management Services like iLO or DRAC

E. CPU frequency management tools

正確答案: B,C,D

問題5

Which component of a Load Balanced Cluster is responsible for monitoring backend servers and making routing decisions?

A. ACLs

B. HAProxy

C. Syncd

D. ldirectord

正確答案: D

問題6

What is the term used to describe the time interval between failures of a system component?

A. Service Level Agreement (SLA)

B. Mean Time Before Failure (MTBF)

C. Mean Time To Repair (MTTR)

D. State Handling

正確答案: B

問題7

What is an LVM pool?

A. A mechanism for allocating storage space on-demand within a volume group.

B. A group of physical volumes combined to create a logical volume.

C. A storage area for storing LVM snapshots.

D. A redundant array of independent disks created using LVM.

正確答案: A

問題8

Using Linux Virtual Server (LVS) without any additional tools provides which of the following features?

A. Balancing network connections across several backend servers.

B. Automatically taking over the services of failed nodes.

C. Checking the integrity of services on backend servers.

D. Restarting failed services on the backend servers.

E. Starting and stopping backend servers as needed.

正確答案: A

問題9

When running a Linux Virtual Server (LVS) cluster, what is the purpose of a nanny process?

A. The nanny process changes the IP routing table in the Linux kernel according to the LVS configuration.

B. The nanny process restarts the daemon of a failed service on a real server node.

C. The nanny process powers off a nonfunctional backend server.

D. Each nanny process checks the state of one configured service on one real server, and tells LVS if the service on that real server is malfunctioning.

正確答案: D

最新的Lpi LPIC-3 Exam 306: High Availability and Storage Clusters - 306-300免費考試真題

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