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NEW QUESTION # 71
What is the role of ovirt-dr Ansible playbooks in OLVM disaster recovery planning?
- A. They help automate mapping, failover, and registration tasks between sites
- B. They are used only for VNC console display
- C. They replace all directory services
- D. They perform only memory ballooning
Answer: A
Explanation:
ovirt-dr automation can reduce manual effort and errors during planned or unplanned disaster recovery operations.
NEW QUESTION # 72
What is memory overcommitment in OLVM?
- A. Allocating more virtual memory to VMs than the physical memory available, based on expected usage patterns
- B. Disabling all VM memory allocation
- C. Using only local storage for VM disks
- D. Assigning one IP address to multiple VMs
Answer: A
Explanation:
Memory overcommitment improves consolidation but requires proper monitoring to avoid host memory pressure and performance degradation.
NEW QUESTION # 73
Which storage backend commonly uses SAN zoning and LUN presentation?
- A. Fibre Channel
- B. Guest clipboard sharing
- C. ISO upload only
- D. NFS
Answer: A
Explanation:
Fibre Channel is a block storage backend commonly associated with SAN zoning and LUN presentation.
NEW QUESTION # 74
Which tool is used to capture OLVM Engine configuration and database state for backup?
- A. hosted-engine
- B. engine-backup
- C. ovirt-engine-rename
- D. vdsm-client only
Answer: B
Explanation:
engine-backup is the core utility for backing up and restoring OLVM Engine configuration and database content.
NEW QUESTION # 75
Which option best describes the purpose of Cluster_Maintenance scheduling behavior?
- A. To support cluster operations during maintenance-oriented conditions
- B. To always distribute VMs evenly
- C. To configure user directory authentication
- D. To permanently maximize VM density for power reduction
Answer: A
Explanation:
Cluster_Maintenance is a scheduling policy used for maintenance-oriented cluster behavior rather than routine balancing or consolidation goals.
NEW QUESTION # 76
What is the main purpose of integrating OLVM with external directory services such as Active Directory, FreeIPA, or OpenLDAP?
- A. To migrate VM disks between storage domains
- B. To replace all hypervisor storage domains
- C. To centralize authentication and group-based access control
- D. To disable role-based access control
Answer: C
Explanation:
Directory integration lets OLVM use enterprise user and group identities instead of relying only on local internal accounts.
NEW QUESTION # 77
What is a typical reason to configure NTP or chrony on OLVM Engine and hosts?
- A. To convert SPICE to SSH.
- B. To keep system time synchronized across infrastructure components.
- C. To disable host CPU virtualization.
- D. To increase VM disk size automatically.
Answer: B
Explanation:
Accurate time is important for authentication, certificates, event logs, and distributed system behavior.
NEW QUESTION # 78
Which component is commonly used to connect OLVM authentication to enterprise identity providers?
- A. VNC proxy only
- B. KSM daemon only
- C. Extension plugins
- D. Balloon driver only
Answer: C
Explanation:
OLVM can integrate external directory services through extension mechanisms that connect authentication and authorization sources.
NEW QUESTION # 79
During OLVM recovery, why is DNS consistency important when restoring or renaming the engine?
- A. DNS controls only VM disk size
- B. Hosts and clients rely on the engine FQDN resolving correctly
- C. DNS replaces engine-backup
- D. DNS automatically repairs corrupted databases
Answer: B
Explanation:
Correct FQDN and DNS resolution are critical because OLVM components trust and communicate with the engine by its identity.
NEW QUESTION # 80
Which VM disk type requires careful monitoring to avoid storage overcommitment?
- A. Read-only ISO media only
- B. Physical keyboard device
- C. Preallocated disk only
- D. Thin-provisioned disk
Answer: D
Explanation:
Thin provisioning saves space initially but can create risk if many disks grow beyond available capacity.
NEW QUESTION # 81
Which scheduling policy is most aligned with consolidating workloads so unused hosts can potentially be powered down or kept idle?
- A. Power_Saving
- B. Anti-Affinity
- C. Cluster_Maintenance
- D. Evenly_Distributed
Answer: A
Explanation:
Power_Saving policies support energy-efficient operation by consolidating workloads rather than spreading them evenly.
NEW QUESTION # 82
What is a thin-provisioned virtual disk?
- A. A disk used only for Fibre Channel zoning
- B. A disk that initially consumes less physical storage and grows as data is written
- C. A disk that cannot be attached to VMs
- D. A disk that always reserves full capacity immediately
Answer: B
Explanation:
Thin-provisioned disks save initial storage space but require monitoring to avoid overcommitment problems.
NEW QUESTION # 83
Why should display traffic such as VNC be separated from management traffic when possible?
- A. To force all disks to become thin provisioned
- B. To eliminate the need for guest agents
- C. To improve security, performance isolation, and troubleshooting clarity
- D. To convert local storage into shared storage
Answer: C
Explanation:
Separating display traffic from management traffic supports cleaner and safer network design.
NEW QUESTION # 84
Which OLVM feature helps create new virtual machines from a standardized baseline?
- A. Template
- B. SPM election
- C. Syslog forwarding
- D. Host fencing only
Answer: A
Explanation:
Templates help standardize VM deployment by preserving a configured operating system and settings baseline.
NEW QUESTION # 85
What is the main role of a KVM host in OLVM?
- A. It replaces the Administration Portal.
- B. It stores only historical reporting data.
- C. It runs virtual machine workloads under the control of the OLVM Engine.
- D. It is used only for exporting templates to CSV files.
Answer: C
Explanation:
KVM hosts are the compute layer where guest virtual machines actually run.
NEW QUESTION # 86
What is a common reason host installation fails during OLVM deployment?
- A. The VM Portal has a dark theme.
- B. Too many VM desktop shortcuts.
- C. Missing repositories, firewall blocks, DNS problems, or unsupported OS/kernel configuration.
- D. A template has a long display name.
Answer: C
Explanation:
Host deployment depends on repositories, connectivity, name resolution, firewall access, and supported system baselines.
NEW QUESTION # 87
Why is sealing a virtual machine important before creating a template?
- A. It removes unique system identity data so cloned VMs are not duplicated incorrectly
- B. It permanently deletes the VM disk
- C. It converts NFS into Fibre Channel
- D. It disables all future cloning
Answer: A
Explanation:
A sealed VM becomes a clean source image for repeatable template-based deployments.
NEW QUESTION # 88
What does the internal@sys profile represent in OLVM user management?
- A. A storage domain reserved for templates
- B. An external Active Directory forest
- C. The internal authentication domain used for built-in OLVM users
- D. A cluster scheduling policy
Answer: C
Explanation:
The internal@sys profile is used for internal OLVM users, while external profiles can be added for enterprise directory sources.
NEW QUESTION # 89
Which configuration helps prevent a single NIC failure from disconnecting host traffic?
- A. Using only ISO upload traffic
- B. Deleting all logical networks
- C. Using only one unbonded NIC
- D. Network bonding with failover capability
Answer: D
Explanation:
Failover bonding protects host connectivity when one physical network path fails.
NEW QUESTION # 90
Which is a key benefit of using a self-hosted Engine instead of a standalone Engine?
- A. It prevents the use of clusters.
- B. It removes the need for storage domains.
- C. It disables host maintenance mode.
- D. It can provide high availability for the Manager VM and reduce separate hardware requirements.
Answer: D
Explanation:
Self-hosted Engine deployments help protect Manager availability while using the virtualization infrastructure itself.
NEW QUESTION # 91
Which action best follows least privilege in OLVM administration?
- A. Granting full data center administrator rights to all users
- B. Sharing the admin password with operators
- C. Removing authentication from the portal
- D. Granting a user only the role needed for specific VM operations
Answer: D
Explanation:
Least privilege reduces risk by limiting users to the minimum required permissions.
NEW QUESTION # 92
Which OLVM portal is primarily used by administrators to manage clusters, hosts, storage, and networks?
- A. Administration Portal
- B. Export Domain Viewer only
- C. VM serial console only
- D. Guest desktop wallpaper
Answer: A
Explanation:
The Administration Portal is the central interface for OLVM infrastructure management.
NEW QUESTION # 93
What is the purpose of host fencing in a virtualization cluster?
- A. To improve the color display of VM consoles.
- B. To compress PostgreSQL logs only.
- C. To replace NTP synchronization.
- D. To isolate or power-control an unresponsive host so VMs can be safely recovered elsewhere.
Answer: D
Explanation:
Fencing helps ensure cluster safety when a host becomes unreachable or unreliable.
NEW QUESTION # 94
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