1z0-1085-26 Questions and Answers

Compartment quotas are applied on a per-compartment basis in Oracle Cloud Infrastructure. Each compartment has its own set of quota limits for resources and services that are enforced within that compartment.

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OCI Dedicated Region provides a fully managed Oracle Cloud Infrastructure region in a customer's data center, allowing them to meet regulatory compliance while running cloud services on-premises.

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Storing and managing encryption keys and secrets is not a feature provided by Oracle Cloud Infrastructure Security Zones. This functionality is typically handled by other services such as Oracle Key Management Service (KMS) or Vault.

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An availability domain in Oracle Cloud Infrastructure refers to one or more data centers located within a region. Each availability domain is isolated from the others, with its own power, cooling, and networking to ensure fault tolerance and reliability.

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Local NVMe storage consists of solid-state drives attached to the compute host and is available with appropriate OCI compute shapes, including DenseIO shapes. Its local placement supports demanding storage workloads that require high input/output performance and low latency. It differs from independently managed storage services such as Block Volume, Object Storage, and File Storage. The phrase “not persistent” refers to its lack of durability beyond relevant instance or hardware lifecycle events; it should not be interpreted as saying every ordinary reboot erases it. Oracle explicitly states that terminating an instance securely erases its NVMe drives, making their data unrecoverable. Important data therefore requires backups or replication outside those local devices before termination. Oracle documentation: Compute Overview , Terminating an Instance

Object Lifecycle Management in Oracle Cloud Infrastructure Object Storage Service enables users to define rules to automatically move objects between different storage tiers based on predefined criteria such as age, size, or custom metadata. This feature helps optimize storage costs by ensuring that objects are stored in the most cost-effective tier.

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Both Oracle and the customer share the responsibility for securing workloads and configuring cloud resources. Oracle provides the foundational security infrastructure, while customers are responsible for implementing security measures within their applications and data.

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Multifactor authentication strengthens account protection by requiring an additional authentication factor beyond a password. This is especially important for tenancy administrators because their privileges can affect resources and access throughout the tenancy. Oracle’s Security Policy for OCI Console includes an administrator rule requiring members of the Administrators group and users with administrator roles to enroll in MFA and provide an additional factor when signing in. Oracle recommends activating this protection and also supports MFA enforcement for other users. Giving everyone unrestricted policy-management access would undermine access control, while avoiding compartments does not improve administrator authentication. Using highly privileged accounts for routine work also creates unnecessary exposure. Among the listed choices, enforcing MFA is the documented security best practice. Oracle documentation: Security Policy for OCI Console

OCI Functions is a fully managed Functions-as-a-Service platform that allows developers to deploy and execute application code without provisioning or maintaining compute instances. Oracle manages the underlying infrastructure and automatically applies operating system patches and upgrades. Its elastic architecture supports scaling function execution as demand changes, allowing developers to concentrate on business logic. Functions can be invoked directly or triggered through integrations with other services, including event-driven workflows. Although function deployment uses container technology, the service does not primarily provide customer-managed virtual machines. It also does not promise fixed compute capacity for arbitrary long-running workloads. Option C captures the main benefit: executing code while the platform handles server infrastructure and its operational maintenance. Oracle documentation: Overview of Functions