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NEW QUESTION # 108
How can you recover a RAID device after a failure?
- A. By running the fsck utility on the array to fix any disk errors.
- B. By reformatting the RAID device and rebuilding the array from scratch.
- C. By modifying the /proc/sys/dev/raid/ file to restore the array.
- D. By replacing the failed disk and running the mdadm --rebuild command.
Answer: D
NEW QUESTION # 109
What is the purpose of the sysfs file /sys/class/net/bond*/bonding/miimon in network bonding?
- A. It displays the status of network interfaces in bonding mode.
- B. It manages the master-slave relationship between network interfaces.
- C. It configures the monitor interval for link status checking.
- D. The file /sys/class/net/bond*/bonding/miimon does not exist.
Answer: C
NEW QUESTION # 110
Which command is used to manage Ceph clusters?
- A. ceph-manager
- B. ceph-deploy
- C. ceph-control
- D. ceph-admin
Answer: B
NEW QUESTION # 111
What are metadata formats and RAID geometries in the context of RAID arrays?
- A. They describe the layout and configuration of the RAID array.
- B. They determine the size and capacity of the RAID devices.
- C. They specify the encryption algorithms used for data security.
- D. They refer to the file systems used on the RAID devices.
Answer: A
NEW QUESTION # 112
Which component of GlusterFS is responsible for managing the individual storage nodes in a cluster?
- A. Bricks
- B. Volumes
- C. Peers
- D. Trusted storage pools
Answer: C
NEW QUESTION # 113
True or False: Define constraints on which services may run on the same cluster node is the purpose of fencing in a high availability cluster.
- A. False
- B. True
Answer: A
NEW QUESTION # 114
Which of the following Messaging Layers are supported by Pacemaker? (Choose TWO correct answers.)
- A. Slurm
- B. SCMP
- C. OpenAIS
- D. DRBD
- E. Heartbeat
Answer: C,E
NEW QUESTION # 115
How can you add a new device to an existing RAID array?
- A. Using the lvm command to extend the array.
- B. Using the mdadm command with the --add option.
- C. By modifying the /proc/mdstat file manually.
- D. By running the fsck utility on the array.
Answer: B
NEW QUESTION # 116
Which of the following statements is true about clustered file systems?
- A. They provide concurrent access to shared file systems in a cluster.
- B. They cannot be maintained and troubleshooted.
- C. They are limited to specific Linux distributions.
- D. They are only used for distributed file storage.
Answer: A
NEW QUESTION # 117
What is the purpose of the rados command-line tool in Ceph?
- A. To interact with Rados Block Devices (RBDs).
- B. To adjust the CRUSH map for data distribution.
- C. To configure and manage CephFS volumes.
- D. To manage OSDs and their storage devices.
Answer: A
NEW QUESTION # 118
What does S.M.A.R.T stand for in the context of hardware monitoring?
- A. System Management and Recovery Technology
- B. Self-Monitoring, Analysis, and Reporting Technology
- C. Storage Monitoring and Assessment Tool
- D. Service Monitoring and Alerting Toolkit
Answer: B
NEW QUESTION # 119
What is a partitionable RAID?
- A. A RAID configuration that allows multiple partitions on each disk.
- B. A RAID level that supports resizing of the array partitions.
- C. A RAID level that combines multiple arrays into a single container.
- D. A RAID setup that uses partition tables for data distribution.
Answer: A
NEW QUESTION # 120
Which utility is used to generate and manage hash tables for load balancing in a Load Balanced Cluster?
- A. Syncd
- B. HAProxy
- C. genhash
- D. ldirectord
Answer: C
NEW QUESTION # 121
In case one service in a Pacemaker cluster depends on another service running on the same node, which score should be assigned to the constraint describing that dependency?
- A. 0
- B. INFINITY
- C. FORCE
- D. 1
- E. 2
Answer: B
NEW QUESTION # 122
Which bond mode in network bonding provides fault tolerance by using one active interface and one standby interface?
- A. 802.3ad
- B. Balance-TLB
- C. Balance-ALB
- D. Active-Backup
Answer: D
NEW QUESTION # 123
What is true for a virtual IP address in the context of keepalived? (Choose TWO correct answers.)
- A. The distinct IP addresses of all backend servers are called virtual IP addresses.
- B. Every server running keepalived has exactly one virtual IP address and cannot have any additional virtual IP addresses.
- C. The virtual IP address is the address to which incoming connections are made in order to reach the load balancer.
- D. keepalived uses VRRP to ensure the availability of the virtual IP address.
- E. Within the whole LVS cluster managed by keepalived, the virtual IP address never appears on any network interface.
Answer: C,D
NEW QUESTION # 124
What is the purpose of RSTP (Rapid Spanning Tree Protocol) in switch configuration for high availability?
- A. To manage VLANs and network segmentation.
- B. RSTP is not related to switch configuration.
- C. To ensure redundancy and quick recovery in case of network failures.
- D. To provide load balancing across multiple network interfaces.
Answer: C
NEW QUESTION # 125
What is an iSCSI initiator?
- A. A storage device in a SAN
- B. A protocol used for multipathing in SAN environments
- C. A device used for managing distributed lock management
- D. A server or client that connects to an iSCSI target
Answer: D
NEW QUESTION # 126
Which file is commonly used to persist network bonding and VLAN configuration in Linux?
- A. /etc/systemd/network/.network
- B. /etc/sysconfig/networking-scripts/ifcfg-*
- C. /etc/network/interfaces
- D. /etc/systemd/network/.netdev
Answer: C
NEW QUESTION # 127
True or False: shrink function is not supported in a GFS2 filesystem.
- A. False
- B. True
Answer: B
NEW QUESTION # 128
Which clustered file system is commonly used for high-performance computing and large-scale data storage?
- A. Lustre
- B. OCFS2 (Oracle Clustered File System 2)
- C. AFS (Andrew File System)
- D. GFS2 (Global File System 2)
Answer: A
NEW QUESTION # 129
What is the purpose of a hot spare disk in a RAID array?
- A. It improves the performance of the RAID array.
- B. It automatically replaces a failed disk in the array.
- C. It serves as a backup for the RAID configuration.
- D. It acts as an additional storage device for the array.
Answer: B
NEW QUESTION # 130
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