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CCNA Storage Questions

75 of 99 questions · Page 1/2 · Storage topic · Answers revealed

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1
MCQhard

An administrator is managing an OCI File Storage Service file system and notices that storage consumption has grown significantly. They want to identify which directories and users are consuming the most space. How can this be accomplished?

A.View the Storage Consumption metric in OCI Monitoring service aggregated by directory path.
B.Check the Object Storage Metrics explorer for FSS bucket utilization.
C.Mount the file system on a compute instance and use standard Linux tools such as 'du' or quota management.
D.Enable FSS Analytics in the OCI Console under Storage Administration.
AnswerC

FSS exposes standard POSIX/NFS interfaces, allowing standard Linux utilities to inspect directory and file-level consumption when mounted.

Why this answer

OCI File Storage Service does not provide a native per-directory usage reporting dashboard within the console, but administrators can mount the file system and use standard Linux utilities (like du or quota tools if configured via NFS) to analyze storage consumption.

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2
MCQmedium

A company is running an enterprise application on OCI that requires high IOPS and low latency for its database files. The administrator needs to attach a block volume that can dynamically scale performance beyond its default capacity limits without having to detach the volume. Which Block Volume performance level should be selected?

A.Higher Performance
B.Lower Cost
C.Ultra High Performance
D.Balanced
AnswerA

Higher Performance delivers the highest IOPS/throughput and supports demanding enterprise database workloads.

Why this answer

Higher Performance provides the highest IOPS and throughput per GB, and volumes can be dynamically scaled up to higher performance tiers or resized without downtime.

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3
Multi-Selecteasy

Which THREE storage options can be used with OCI Compute instances?

Select 3 answers
A.File Storage
B.Local SSD only
C.Block Volume
D.Tape drive
E.Object Storage
AnswersA, C, E

Can be mounted as a file system.

Why this answer

Block Volume, File Storage, and Object Storage are standard.

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4
Multi-Selecthard

Which THREE configurations are required for a functioning File Storage Service mount?

Select 3 answers
A.Public internet gateway
B.Export options
C.Subnet
D.Mount target
E.Block volume attachment
AnswersB, C, D

Required for access control.

Why this answer

A mount target, a subnet, and export options are essential.

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5
Multi-Selectmedium

Which THREE of the following are true about OCI Block Volume backups?

Select 3 answers
A.Can be scheduled via policies
B.Stored in Object Storage
C.Can be incremental
D.Available only in US regions
E.Must be deleted before resizing
AnswersA, B, C

Backup policies automate the process.

Why this answer

They can be manual or scheduled, and they are stored in Object Storage.

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6
MCQmedium

Which command-line utility is used to manage OCI Block Volumes?

A.nfsstat
B.fdisk
C.mount
D.oci-cli
AnswerD

The OCI CLI is used to interact with the OCI control plane.

Why this answer

The OCI CLI is the standard tool to manage all OCI resources, including block volumes.

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7
MCQhard

You need to automate the movement of old backups to Archive storage. Which approach is most efficient?

A.Lifecycle Policy
B.Bucket replication
C.Manual script
D.Copy and delete command
AnswerA

Lifecycle policies handle this automatically.

Why this answer

Lifecycle policies automate this task without manual intervention.

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8
MCQhard

Which service should you use to migrate physical data centers to OCI via physical hardware shipping?

A.Storage Gateway
B.Data Transfer Service
C.FastConnect
D.Object Storage replication
AnswerB

This service uses physical appliances for bulk data move.

Why this answer

Data Transfer Service uses physical appliances to move data.

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9
MCQeasy

An OCI administrator needs to ensure that infrequently accessed data stored in an Object Storage bucket automatically transitions to Archive Storage after 90 days to reduce costs. Which feature should the administrator configure?

A.Object Storage Replication Policy
B.Object Storage Lifecycle Policy
C.OCI Data Transfer Service
D.Block Volume Backup Policy
AnswerB

Lifecycle rules allow you to automate moving objects between tiers or deleting them after a certain period.

Why this answer

Object Storage Lifecycle Policy rules can be created to automatically transition objects from Standard storage to Infrequent Access or Archive Storage based on a specified number of days since creation or modification.

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10
Multi-Selecthard

Which TWO characteristics apply to the OCI File Storage Service (FSS)?

Select 2 answers
A.FSS is designed exclusively for single-instance high-performance computing (HPC) boot volumes.
B.Data in FSS is encrypted at rest by default.
C.FSS file systems can be natively mounted across multiple OCI regions simultaneously over the public internet.
D.Snapshots created in FSS consume additional baseline storage that must be explicitly pre-allocated.
E.File systems automatically grow and shrink dynamically as files are added or deleted, without requiring manual capacity provisioning.
AnswersB, E

All file systems in OCI File Storage Service are encrypted at rest using keys managed by Oracle or customer-managed keys.

Why this answer

FSS encrypts data at rest by default using KMS, and automatically provisions storage capacity as your file system grows without requiring upfront provisioning.

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11
MCQmedium

An administrator needs to back up a critical Oracle Database running on an OCI Block Volume. The database spans across three separate block volumes that must be backed up simultaneously to ensure crash consistency. What is the most efficient feature to use?

A.Object Storage Multipart Upload
B.OCI Volume Groups
C.Individual Block Volume Backups triggered sequentially
D.FSS Snapshots
AnswerB

Volume Groups enable coordinated point-in-time backups across multiple block volumes for application/crash consistency.

Why this answer

Volume Groups allow you to group multiple block volumes together and perform coordinated operations like backups, clones, and cross-region replications simultaneously.

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12
Multi-Selectmedium

Which TWO of the following are valid ways to secure an Object Storage bucket?

Select 2 answers
A.Disk-level formatting
B.Kernel hardening
C.IAM policies
D.RAID configuration
E.Bucket policies
AnswersC, E

IAM governs overall access.

Why this answer

Bucket policies and IAM policies are the primary ways to secure access.

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13
MCQhard

You are using File Storage and want to mount it to an instance. What is the necessary network step?

A.Open NFS ports in security list
B.Enable DHCP
C.Open port 80
D.Install iSCSI initiator
AnswerA

NFS traffic requires specific open ports.

Why this answer

You must allow ingress for NFS and Network Status Monitor traffic on the subnet's security list.

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14
Multi-Selecteasy

Which THREE of the following are benefits of using OCI Object Storage?

Select 3 answers
A.Supports SQL queries natively
B.High durability
C.Latency lower than NVMe
D.IAM integration
E.Scalability
AnswersB, D, E

Data is highly redundant.

Why this answer

Durability, scalability, and integration with IAM are key benefits.

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15
MCQmedium

When creating a volume backup, what is the 'Incremental' option?

A.Deletes the old backup
B.Compresses the volume
C.Backs up only new data
D.Backs up the entire volume
AnswerC

Incremental saves space and time by skipping unchanged blocks.

Why this answer

Incremental backups only copy data that has changed since the last backup.

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16
MCQmedium

An administrator created a file system using the File Storage Service (FSS) and needs to control access from specific compute instances using Network Security Groups (NSGs) and security lists. Which component of FSS must be configured to enforce network-level security and access permissions?

A.Volume Group Backup Policy
B.IAM Dynamic Groups
C.Mount Target Export Options
D.Bucket Access Policy
AnswerC

Export options define the access levels (such as read-only or read-write) and client IP/VCN restrictions for FSS mount targets.

Why this answer

Export options are used in File Storage Service to control access to file systems from mount targets, allowing restriction by source IP addresses, virtual cloud networks, and root squashing privileges.

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17
Multi-Selectmedium

Which TWO of the following statements about Storage Gateway are accurate?

Select 2 answers
A.It converts files to objects
B.It performs automatic compression
C.It uses local cache
D.It provides POSIX support
E.It is a block-level device
AnswersA, C

Enables object-based storage for files.

Why this answer

It converts files to objects and uses a local cache for performance.

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18
MCQmedium

Which type of storage is required for Boot Volumes?

A.File Storage
B.Object Storage
C.Ephemeral Storage
D.Block Volume
AnswerD

Boot volumes are a specialized type of block volume.

Why this answer

Boot volumes are special block volumes used to boot compute instances.

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19
Multi-Selectmedium

Which TWO of the following statements about Storage Gateway are correct?

Select 2 answers
A.It is a physical appliance only
B.It requires local cache disk space
C.It supports direct block volume mapping
D.It maps local files to Object Storage
E.It supports SMB only
AnswersB, D

Local cache is necessary for performance.

Why this answer

Storage Gateway uses local cache and maps to Object Storage buckets.

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20
MCQhard

You are setting up a File Storage mount target. What is required at the subnet level?

A.A NAT Gateway
B.A Public IP
C.A Service Gateway
D.An IP address within the subnet
AnswerD

Mount targets are accessed via a private IP address.

Why this answer

Mount targets require a specific mount target IP and security rule access.

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21
MCQmedium

An application running on an OCI compute instance needs to share a POSIX-compliant file system concurrently across multiple compute instances residing in different subnets of the same VCN. Which storage service is best suited for this requirement?

A.Block Volume
B.Object Storage
C.File Storage Service
D.Local NVMe
AnswerC

FSS natively supports concurrent NFS connections from multiple compute instances across the VCN.

Why this answer

File Storage Service (FSS) provides a durable, scalable, enterprise-grade network file system that can be accessed concurrently by thousands of compute instances using the standard NFS v3.0 protocol across availability domains and subnets within a VCN.

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22
MCQmedium

An administrator has created a File Storage Service (FSS) file system in a private subnet. Developers need to mount this file system on compute instances across three different availability domains within the same region. What is the correct way to configure network access for FSS?

A.Attach the Block Volume to multiple instances simultaneously across availability domains.
B.Deploy a mount target in one subnet and configure security lists to allow NFS traffic from instances in all required subnets.
C.Create a separate FSS file system in each availability domain and peer them.
D.Use an OCI FastConnect circuit to route NFS traffic between availability domains.
AnswerB

A mount target provides the IP address and network endpoint, allowing NFS traffic from any authorized subnet in the region.

Why this answer

FSS is regional and can be mounted across availability domains in the same region, provided that mount targets are accessible via appropriate security lists and subnet routes.

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23
MCQmedium

When using File Storage Service, how do you restrict access to the file system to specific instances?

A.OS-level permissions only
B.IAM Policies only
C.Bucket Policies
D.Export Options
AnswerD

Export options manage NFS export access.

Why this answer

Export Options in FSS allow you to define access rules by IP or CIDR.

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24
Multi-Selectmedium

Which TWO statements are correct regarding OCI Block Volume backups and clones?

Select 2 answers
A.Block volume backups are stored directly in File Storage Service file systems.
B.Block volume backups require manual deletion of the parent volume before the backup can be restored.
C.Block volume backups can be restored as new volumes in any Availability Domain within the same region.
D.Block volume clones can be created instantly without waiting for a full backup to complete.
E.A block volume clone can be attached to compute instances in a different Availability Domain than the source volume.
AnswersC, D

Backups are regional resources and can be restored to any AD in the region where the backup exists.

Why this answer

Block volume clones are created instantly within the same availability domain without needing a full data copy, and block volume backups are stored in Object Storage and can be restored as new volumes across ADs.

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25
MCQhard

An enterprise application requires long-term compliance retention for regulatory records stored in OCI Object Storage. The administrator must ensure that stored objects cannot be modified, overwritten, or deleted by any user, including administrators, for a mandated retention period. Which feature should be used?

A.Object Storage Object Lock (Retention Rules)
B.Block Volume Replication
C.IAM Policy with Deny DELETE statements
D.Object Storage Bucket Access Policy with Read-Only permissions
AnswerA

Object Storage Retention Rules (Object Lock) enforce write-once-read-many (WORM) behavior to protect data from deletion or modification during the retention period.

Why this answer

Object Storage Object Versioining combined with Object Storage Object Lifecycle Rules or Object Lock (Retention Rules) prevents accidental or malicious deletion or modification of data for regulatory compliance.

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26
MCQmedium

What is the primary benefit of enabling 'Versioning' on an Object Storage bucket?

A.Faster data access
B.Lower storage costs
C.Improved data security
D.Recovery from accidental deletion
AnswerD

Versioning allows restoring previous versions of objects.

Why this answer

Versioning protects against accidental overwrites or deletions by keeping historical versions.

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27
Multi-Selectmedium

Which TWO statements are true regarding OCI Storage Gateway? (Choose two.)

Select 2 answers
A.It provides native block-level SAN connectivity over Fibre Channel.
B.It runs as a virtual machine on-premises, such as on Oracle VM or VMware.
C.It can only be used with Archive Storage for instant data retrieval.
D.It replaces the need for Object Storage buckets in the cloud entirely.
E.It translates file operations (NFS) into Object Storage REST API calls.
AnswersB, E

Storage Gateway is deployed as an on-premises virtual appliance.

Why this answer

Storage Gateway is a cloud storage gateway that runs on-premises, translating file storage protocols (NFS) to object storage REST APIs.

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28
MCQhard

You are experiencing high latency on your FSS mount. What should you check first?

A.Block volume size
B.Network Security List rules
C.Object storage versioning
D.Bucket policies
AnswerB

Misconfigured security lists blocking NFS traffic cause latency.

Why this answer

Network security lists and mount options are common culprits for FSS latency.

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29
MCQmedium

How do you ensure data integrity for uploads to Object Storage?

A.Encryption
B.Versioning
C.HTTPS
D.MD5 checksum
AnswerD

Calculating and providing an MD5 checksum validates integrity.

Why this answer

Using MD5 hashing ensures the object was not corrupted during transit.

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30
Multi-Selectmedium

Which TWO actions can be performed on an active OCI Block Volume without detaching it from the compute instance? (Choose two.)

Select 2 answers
A.Change the volume from Balanced performance tier to Higher Performance tier
B.Delete the block volume while it is attached
C.Migrate the volume to a different availability domain
D.Increase the volume size (resizing)
E.Convert a block volume into a File Storage Service mount target
AnswersA, D

Performance tiers can be modified dynamically on attached volumes.

Why this answer

OCI Block Volumes support live resizing and dynamic performance tier adjustments without requiring volume detachment.

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31
MCQeasy

What is the primary way to access an Object Storage bucket via a private endpoint?

A.Internet Gateway
B.NAT Gateway
C.Service Gateway
D.DRG
AnswerC

Service Gateway provides private access to OCI public services.

Why this answer

A Service Gateway allows private access from a VCN to Object Storage.

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32
MCQmedium

Which service is the best choice for storing thousands of small, frequently accessed image files?

A.Archive Storage
B.Block Volume
C.File Storage
D.Object Storage
AnswerD

Object storage is ideal for media files.

Why this answer

Object Storage is optimized for high-scale, flat-namespace object storage.

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33
MCQeasy

Which OCI storage service is best suited for big data workloads requiring high throughput?

A.Archive Storage
B.Block Volume
C.Object Storage
D.File Storage
AnswerB

Block Volume provides high throughput and IOPS.

Why this answer

Block Volume is optimized for high-performance throughput for data-intensive apps.

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34
MCQmedium

Which tool provides a graphical way to manage Object Storage lifecycle policies?

A.OCI CLI
B.API Explorer
C.Web Console
D.Terraform
AnswerC

The console provides a point-and-click interface.

Why this answer

The OCI Web Console provides the interface for lifecycle policy management.

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35
MCQeasy

Which feature allows you to restrict access to an Object Storage bucket to only specific VCNs?

A.Bucket Policies
B.Encryption
C.Object Versioning
D.Lifecycle Rules
AnswerA

Bucket policies allow granular access control based on IP or CIDR.

Why this answer

Service Gateways and IAM policies allow restricted access to Object Storage from VCNs.

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36
MCQmedium

A database administrator requires a Block Volume attached to an Oracle Linux compute instance to deliver ultra-high IOPS and throughput with minimal latency for a high-transaction workload. Which volume performance level should be selected?

A.Archive
B.Ultra High Performance
C.Lower Cost
D.Balanced
AnswerB

Ultra High Performance provides maximum IOPS and throughput per GB for demanding database workloads.

Why this answer

Higher VPU (Volume Performance Units) settings such as Higher Performance or Ultra High Performance provide the necessary IOPS and throughput required for mission-critical, low-latency databases.

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37
MCQeasy

What is the primary purpose of OCI Object Storage?

A.High-performance cache
B.Database storage
C.Unstructured data storage
D.OS swap space
AnswerC

Object storage is ideal for logs, media, and backups.

Why this answer

Object storage is designed for unstructured data storage.

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38
Multi-Selecthard

Which THREE configuration options are available when creating a new OCI Object Storage bucket? (Choose three.)

Select 3 answers
A.Maximum IOPS provisioning limit
B.Object Versioning (Enabled or Disabled)
C.Encryption (Oracle-managed keys or Customer-managed keys in OCI KMS)
D.Storage Tier (Standard or Infrequent Access)
E.Automatic cross-region replication destination region
AnswersB, C, D

Object versioning can be configured during bucket creation or updated later.

Why this answer

When creating a bucket, you select the storage tier, whether versioning is enabled, and whether to use Oracle-managed or customer-managed encryption keys.

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39
MCQhard

You are migrating a database that requires a consistent point-in-time snapshot of multiple volumes. What should you use?

A.Volume Groups
B.Individual volume backups
C.Storage Gateway
D.Object Storage replication
E.Clone the volumes
AnswerA

Volume Groups enable consistent snapshots for multiple volumes.

Why this answer

Volume Groups allow you to group multiple volumes for consistent, cross-volume snapshots.

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40
MCQhard

A Block Volume backup failed. Which is the most likely reason?

A.Bucket size limit
B.FastConnect is down
C.Insufficient IAM permissions
D.File system is mounted
AnswerC

IAM policies are a common cause for backup failures.

Why this answer

Volume backups can fail if the volume is in a state that prevents snapshotting, or due to IAM permissions.

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41
MCQmedium

How do you provide access to an object to an external user without creating an IAM account?

A.Public internet
B.Pre-authenticated request
C.Bucket policy
D.API Key
AnswerB

PARs provide a URL-based access mechanism.

Why this answer

Pre-authenticated requests allow temporary, limited access to objects.

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42
MCQhard

You are using Storage Gateway to connect on-premises applications to OCI. How are file systems mapped?

A.Maps to Block Volumes
B.Maps to Object Storage buckets
C.Maps to File Storage targets
D.Maps to Archive Storage only
AnswerB

Storage Gateway presents local file systems as OCI Object Storage objects.

Why this answer

Storage Gateway maps local file systems to OCI Object Storage buckets.

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43
MCQmedium

You want to move data from a local server to OCI Object Storage. Which tool is recommended for large-scale data migration over the internet?

A.OCI CLI
B.OCI Data Transfer Appliance
C.Web Console
D.Storage Gateway
AnswerA

CLI supports multi-part uploads for large files.

Why this answer

OCI CLI with parallel multi-part upload is recommended for large data transfer.

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44
MCQmedium

A database application requires high-performance block storage with low latency. Which Block Volume performance tier should you select?

A.Balanced
B.Higher Performance
C.Lower Cost
D.Ultra High Performance
AnswerD

Ultra High Performance provides the highest IOPS and throughput.

Why this answer

The Ultra High Performance tier is designed for extreme IOPS requirements for databases.

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45
MCQmedium

What happens if you delete a versioned object in Object Storage?

A.An error is returned
B.A delete marker is created
C.The object is moved to Archive
D.The object is permanently deleted
AnswerB

The marker hides the object but keeps the version.

Why this answer

A delete marker is placed on the object, preserving the version.

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46
Multi-Selecteasy

Which TWO are common use cases for Archive Storage?

Select 2 answers
A.Real-time streaming
B.Regulatory data archiving
C.Backup retention
D.Frequent website access
E.Active database logs
AnswersB, C

Perfect for long-term retention.

Why this answer

Long-term regulatory compliance and data backups are standard use cases.

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47
MCQeasy

An OCI administrator needs to store large amounts of unstructured data that is accessed infrequently, but must be retained for compliance purposes for at least 5 years. Data retrieval times of up to 4 hours are acceptable. Which OCI Object Storage tier should be used?

A.Object Storage Standard Tier
B.Object Storage Infrequent Access Tier
C.Archive Storage Tier
D.File Storage Service
AnswerC

Archive Storage is the most cost-effective tier for long-term retention with acceptable retrieval times of up to 4 hours.

Why this answer

OCI Archive Storage is designed for data that is infrequently accessed and requires long retention periods, offering the lowest storage cost with a time-to-first-byte retrieval time of up to 4 hours.

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48
MCQhard

An organization requires that all data uploaded to an Object Storage bucket must be automatically encrypted using a master encryption key managed by them in OCI Key Management (KMS), rather than Oracle-managed keys. How can this be enforced?

A.Apply an IAM policy stating that all PutObject API calls must pass customer secret keys in the header.
B.Configure the bucket during creation to use a Customer-Managed Key from OCI KMS.
C.Enable SSE-C (Server-Side Encryption with Customer-Provided Keys) on every individual file upload via CLI.
D.Write a custom OCI Functions script triggered by Object Storage events to re-encrypt objects using KMS.
AnswerB

Customer-managed keys in OCI KMS can be assigned at the bucket level to encrypt all stored data.

Why this answer

When creating a bucket, you can select 'Use Customer-Managed Keys' and choose your vault and master encryption key from OCI KMS.

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49
Multi-Selectmedium

Which TWO are true about cloning a block volume?

Select 2 answers
A.Clones must be same size
B.Clones are read-only
C.Clones are independent
D.Clones can be resized
E.Clones are linked to source
AnswersC, D

Changes to one don't affect the other.

Why this answer

Clones are independent volumes and can be resized.

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50
MCQeasy

An administrator wants to create a point-in-time, space-efficient replica of an existing Block Volume within the same availability domain. Which feature should be used to achieve this instantly?

A.Block Volume Clone
B.Block Volume Backup
C.Cross-Region Replication
D.Volume Group Backup
AnswerA

Cloning provides an immediate, space-efficient, point-in-time copy of a volume within the same availability domain.

Why this answer

Block Volume clones allow you to create an instant, point-in-time, replica of a block volume within the same availability domain without needing to create a full backup first.

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51
Multi-Selecthard

When designing an OCI Block Volume backup strategy, which THREE statements are correct regarding backup types and management? (Choose three.)

Select 3 answers
A.Automatic backup policies allow defining schedules such as Bronze, Silver, and Gold tiers.
B.Incremental backups capture only the blocks changed since the last backup (full or incremental).
C.Full backups must be manually triggered because policies only support incremental backups.
D.Block volume backups are stored in File Storage Service file systems by default.
E.A block volume backup can be restored directly as a new block volume of a different size.
AnswersA, B, E

OCI defines default gold, silver, and bronze backup policies with preset retention and frequency intervals.

Why this answer

Block Volume backups can be full or incremental, managed automatically by backup policies, and can be restored as new volumes.

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52
Multi-Selecteasy

Which THREE of these are OCI storage services?

Select 3 answers
A.Block Volume
B.Database storage
C.Object Storage
D.Compute storage
E.File Storage
AnswersA, C, E

Standard service.

Why this answer

Object, Block, and File storage are the core OCI services.

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53
MCQmedium

You need to perform a backup of a production Block Volume. What is the recommended strategy to ensure data consistency?

A.Block Volume Backup
B.RAID 0 striping
C.Object Storage replication
D.Manual file copy via SSH
AnswerA

Block Volume Backups are the recommended way to snapshot volumes.

Why this answer

Creating a volume group backup or a block volume backup ensures point-in-time consistency.

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54
Multi-Selectmedium

Which TWO methods can be used to transfer data from an on-premises data center into OCI Object Storage? (Choose two.)

Select 2 answers
A.Directly mounting an Object Storage bucket as a local Windows NTFS drive via SMB protocol
B.OCI Data Transfer Appliance for offline data migration
C.Attaching an Object Storage bucket as an LVM logical volume to an on-premises server
D.OCI Command Line Interface (CLI) using multipart upload
E.Using Block Volume Export to push data into Object Storage buckets automatically
AnswersB, D

Data Transfer Appliance allows physical shipment of data devices to OCI data centers.

Why this answer

On-premises data can be uploaded to Object Storage via the OCI CLI/API over the public internet or private VCN connections (FastConnect), or shipped physically using Data Transfer Appliances.

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55
MCQeasy

You need to store infrequently accessed data in Oracle Cloud Infrastructure (OCI) with the lowest possible cost while maintaining data retrieval times within a few hours. Which storage tier should you choose?

A.Archive Storage
B.Block Volume
C.Standard Object Storage
D.Infrequent Access Object Storage
AnswerA

Archive Storage provides the lowest cost for infrequent access.

Why this answer

Archive Storage is designed for long-term data retention at the lowest cost, with a retrieval time of up to 4 hours.

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56
MCQmedium

How can you ensure that data in an Object Storage bucket remains unchanged for a specific period?

A.Encryption
B.IAM policies
C.Lifecycle policies
D.Retention Rules
AnswerD

Retention rules enforce immutability.

Why this answer

Retention rules on a bucket prevent modifications or deletions for a defined duration.

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57
MCQeasy

Which OCI storage service is best suited for hosting shared configuration files and home directories for hundreds of Linux compute instances simultaneously using the NFSv3 protocol?

A.OCI Object Storage
B.OCI File Storage Service
C.OCI Archive Storage
D.OCI Block Volume
AnswerB

File Storage Service supports NFSv3 for shared concurrent access across multiple instances.

Why this answer

File Storage Service (FSS) provides a distributed, scalable, enterprise-grade network file system that supports the NFSv3 protocol for concurrent access from multiple instances.

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58
MCQmedium

You want to use your own encryption keys for Object Storage. What feature should you use?

A.Public keys
B.IAM policies
C.OCI Vault
D.Encryption Gateway
AnswerC

Vault allows using Customer-Managed Keys (CMK).

Why this answer

OCI Vault allows you to manage keys for server-side encryption.

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59
MCQmedium

A team is using OCI File Storage Service and needs to protect against accidental deletion of files by end users. Which feature should be implemented?

A.FSS Snapshots
B.Object Storage Lifecycle Policies
C.FSS Object Versioning
D.Block Volume Volume Groups
AnswerA

Snapshots provide instant, read-only point-in-time copies of file systems for data recovery.

Why this answer

File Storage Service supports snapshots, which are read-only, point-in-time versions of a file system that allow users to recover accidental deletions.

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60
MCQmedium

An administrator wants to automate the process of copying Block Volume backups from the Ashburn region to the Phoenix region for disaster recovery purposes. What is the recommended method?

A.Manually export the volume to an Object Storage bucket and download it in the second region.
B.Configure an OCI Object Storage lifecycle rule to replicate files across regions.
C.Attach a cross-region replication policy to the Block Volume backup policy.
D.Write an OCI Data Flow application to stream volume blocks across regions.
AnswerC

OCI automatic backup policies support adding cross-region copy rules to replicate volume backups automatically to another region.

Why this answer

Block Volume backups can be configured for automatic cross-region replication by setting up a backup policy with copy rules to destination regions.

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61
MCQhard

You are configuring a Lifecycle Policy for an Object Storage bucket. You want to automatically move objects older than 30 days to Archive Storage. What is the correct rule configuration?

A.Use the 'Delete' action with a 30-day threshold.
B.Use the 'Move' action to a new bucket.
C.Use the 'Archive' action with a 30-day threshold.
D.Use the 'Restore' action.
AnswerC

The Archive action moves objects to the Archive tier.

Why this answer

The lifecycle policy uses JSON-based rules to define action, name filter, and age threshold.

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62
MCQeasy

What is the main benefit of using a 'Clone' of a block volume?

A.Creating an immediate, independent volume
B.Backup automation
C.Reducing storage usage
D.Moving to another region
AnswerA

Cloning creates a usable volume instantly.

Why this answer

Clones allow you to create a new, independent volume from a point-in-time snapshot.

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63
MCQhard

An administrator needs to restore an encrypted block volume backup to a different Availability Domain within the same OCI region. How should this be achieved?

A.Copy the backup to the target region first, then restore it.
B.Export the backup to an Object Storage bucket, download it on-premises, and re-upload it to the new AD.
C.Create a volume clone in the source AD and attach it across ADs.
D.Directly select the existing backup in the console and choose to restore it to a volume in the target Availability Domain.
AnswerD

Block volume backups are regional resources and can be restored to any Availability Domain within the same region.

Why this answer

Block volume backups in OCI are stored in Object Storage and are automatically available across all Availability Domains within the same region. The administrator can directly restore the backup to a volume in any AD within that region.

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64
MCQeasy

Which tier of Block Volume performance allows you to dynamically adjust the IOPS/GB?

A.Lower Cost
B.Balanced
C.Archive
D.Ultra High Performance
AnswerB

Balanced tier allows performance scaling.

Why this answer

Balanced and Higher Performance tiers allow dynamic adjustment of performance settings.

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65
MCQmedium

Which encryption method is used by default for all Object Storage buckets?

A.AES-256 server-side encryption
B.RSA-4096 client-side encryption
C.No encryption by default
D.TLS 1.3 only
AnswerA

This is the default encryption standard for Object Storage.

Why this answer

OCI Object Storage automatically encrypts all data at rest using AES-256.

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66
Multi-Selecthard

Which THREE features are supported by OCI Object Storage buckets?

Select 3 answers
A.Direct attachment to a Linux compute instance as a block storage device formatted with ext4.
B.POSIX-compliant file locking for multi-client NFS v3/v4 mounts directly from the bucket.
C.Object versioning to retain multiple variants of an object in the same bucket.
D.Cross-region replication to automatically copy objects to a bucket in another OCI region.
E.Encryption of data at rest using Customer-Managed Keys (CMK) via OCI Vault.
AnswersC, D, E

Versioning protects data by maintaining previous versions when objects are overwritten or deleted.

Why this answer

OCI Object Storage supports customer-managed encryption keys via Vault, cross-region replication, and versioning to protect against accidental overwrites or deletions.

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67
Multi-Selecthard

An administrator is planning an Object Storage data archiving strategy. Which THREE characteristics apply to OCI Archive Storage? (Choose three.)

Select 3 answers
A.It has a minimum storage duration commitment of 90 days.
B.Objects in Archive Storage can be read directly via GET requests without prior restoration.
C.It provides the lowest cost per gigabyte for storage in OCI.
D.Data retrieval requires a restoration request that can take up to 4 hours.
E.It supports instant sub-second retrieval times for disaster recovery testing.
AnswersA, C, D

Archive Storage enforces a minimum storage duration of 90 days.

Why this answer

Archive Storage is designed for long-term retention, offers the lowest storage cost, and requires data to be restored to the Infrequent Access or Standard tier before reading, with a restoration latency of up to 4 hours.

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68
Multi-Selecthard

Which THREE features are provided by File Storage Service?

Select 3 answers
A.Automatic tiering to Archive
B.NFSv3 support
C.Export options
D.Cross-region replication
E.File system snapshots
AnswersB, C, E

NFS is the core protocol.

Why this answer

Snapshots, NFS compatibility, and export options are key features of FSS.

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69
MCQhard

You need to configure an Object Storage lifecycle policy to automatically transition objects from the Standard tier to the Infrequent Access tier after 30 days, and then delete them after 365 days from creation. How should the rule be defined?

A.Configure an event rule in OCI Events Service to trigger a function that modifies the storage tier after 30 days.
B.Set the bucket storage policy to automatically purge objects after 365 days and use Object Versioning to handle the 30-day tier shift.
C.Create a single rule with transition after 30 days to Infrequent Access and deletion after 365 days.
D.Create two separate rules: one for transition at 30 days and another rule evaluated independently for deletion at 335 days.
AnswerC

OCI Object Storage lifecycle rules support combining multiple actions like transition and deletion in a single rule using age-based offsets.

Why this answer

Lifecycle rules use offset values based on object creation time. Transition and deletion rules can be chained by specifying days relative to the object's age.

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70
MCQmedium

You need to share a file system between multiple OCI Compute instances across different availability domains. Which service should you use?

A.Local NVMe storage
B.Object Storage
C.Block Volume
D.File Storage Service
AnswerD

FSS allows concurrent access from multiple instances.

Why this answer

File Storage Service (FSS) is a shared file system that can be mounted across ADs in a region.

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71
MCQeasy

Which OCI service is most appropriate for storing static website content?

A.File Storage
B.Block Volume
C.Archive Storage
D.Object Storage
AnswerD

Object Storage is ideal for static web hosting.

Why this answer

Object Storage is frequently used to host static website assets.

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72
MCQhard

When cloning a Block Volume, what must be true about the source and target volumes?

A.They must be in different regions
B.They must have the same size
C.They must be in the same availability domain
D.They must use different encryption keys
AnswerC

Clone operations are constrained by AD limits.

Why this answer

Clones are created within the same availability domain as the source volume.

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73
MCQmedium

You have a large dataset in Object Storage that needs to be accessed by an on-premises server. What is the most efficient way to access this data via a local file interface?

A.Use Mount Targets
B.Use OCI CLI to download everything
C.Use FastConnect alone
D.Use Storage Gateway
AnswerD

Storage Gateway mounts buckets as local file systems.

Why this answer

Storage Gateway provides a file-system interface to Object Storage.

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74
MCQeasy

Which storage type offers the highest performance for random I/O operations?

A.Archive Storage
B.File Storage
C.Block Volume
D.Object Storage
AnswerC

Block volumes are optimized for random IOPS.

Why this answer

Block Volume with Ultra High Performance is built for random I/O.

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75
MCQmedium

What is the maximum size of a single Object in OCI Object Storage?

A.Unlimited
B.1 TB
C.10 TB
D.1 GB
AnswerC

10 TiB is the supported limit.

Why this answer

The maximum object size supported is 10 TiB.

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