Pass4suresVCE 1z0-1085-23 dumps & Oracle Cloud Sure Practice with 187 Questions
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Oracle 1z0-1085-23 Exam Syllabus Topics:
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NEW QUESTION # 32
What purpose does an Oracle Cloud Infrastructure (OCI) Dynamic Routing Gateway Serve?
- A. Enable OCI Compute instances to connect to the internal
- B. Enables OCI Compute instances to be reached from internet
- C. Enables OCI Compute instance to connect to on-promises environments
- D. Enables OCI Compute Instance to privately connect to OCI Object Storage
Answer: C
Explanation:
You can think of a Dynamic Routing Gateway (DRG) as a virtual router that provides a path for private traffic (that is, traffic that uses private IPv4 addresses) between your VCN and networks outside the VCN's region.
For example, if you use an IPSec VPN or Oracle Cloud Infrastructure FastConnect (or both) to connect your on-premises network to your VCN, that private IPv4 address traffic goes through a DRG that you create and attach to your VCN. For scenarios for using a DRG to connect a VCN to your on-premises network, see Networking Scenarios. For important details about routing to your on-premises network, see Routing Details for Connections to Your On-Premises Network.
Also, if you decide to peer your VCN with a VCN in another region, your VCN's DRG routes traffic to the other VCN over a private backbone that connects the regions (without traffic traversing the internet). For information about connecting VCNs in different regions, see Remote VCN Peering (Across Regions).
NEW QUESTION # 33
Which security service is offered by Oracle Cloud Infrastructure?
- A. Managed Active Directory
- B. Certificate Management System
- C. Managed Intrusion Detection
- D. Key Management
Answer: D
Explanation:
Oracle Cloud Infrastructure Key Management is a managed service that enables you to encrypt your data using keys that you control.
NEW QUESTION # 34
Which Oracle Cloud Infrastructure (OCI) service is best suited for running serverless apps?
- A. Audit
- B. Streaming
- C. Virtual Cloud Network
- D. Oracle Functions
Answer: D
Explanation:
Oracle Functions is a fully managed, multi-tenant, highly scalable, on-demand, Functions-as-a-Service platform. It is built on enterprise-grade Oracle Cloud Infrastructure and powered by the Fn Project open source engine. Use Oracle Functions (sometimes abbreviated to just Functions) when you want to focus on writing code to meet business needs.
The serverless and elastic architecture of Oracle Functions means there's no infrastructure administration or software administration for you to perform. You don't provision or maintain compute instances, and operating system software patches and upgrades are applied automatically. Oracle Functions simply ensures your app is highly-available, scalable, secure, and monitored. With Oracle Functions, you can write code in Java, Python, Node, Go, and Ruby (and for advanced use cases, bring your own Dockerfile, and Graal VM). You can then deploy your code, call it directly or trigger it in response to events, and get billed only for the resources consumed during the execution.
Oracle Functions is based on Fn Project. Fn Project is an open source, container native, serverless platform that can be run anywhere - any cloud or on-premises. Fn Project is easy to use, extensible, and performant. You can download and install the open source distribution of Fn Project, develop and test a function locally, and then use the same tooling to deploy that function to Oracle Functions.
You can access Oracle Functions using the Console, a CLI, and a REST API. You can invoke the functions you deploy to Oracle Functions using the CLI or by making signed HTTP requests.
NEW QUESTION # 35
Which is NOT a component of an identity and Access Management (IAM) policy statement in Oracle Cloud infrastructure?
- A. Location
- B. Data backup Frequency
- C. Action verb
- D. Resource-type
Answer: B
Explanation:
Data backup frequency is not a component of an identity and access management (IAM) policy statement in Oracle Cloud Infrastructure. An IAM policy statement is a rule that grants or denies access to a specific type of resource in a specific compartment. An IAM policy statement consists of four components: an action verb, a resource-type, a location, and an optional condition.
NEW QUESTION # 36
Which CANNOT be used with My Oracle Support (MOS)?
- A. Reset the password or unlock the account for the tenancy administrator
- B. Troubleshoot your resources in an Oracle Cloud Infrastructure Free Trial account
- C. Request a Service Limit increase
- D. Add or change a tenancy administrator
Answer: B
Explanation:
Open a support service request with MOS option is available to paid accounts. Customers using only Always Free resources are not eligible for Oracle Support. Limited support is available to Free Tier accounts with Free Trial credits. After you use all of your credits or after your trial period ends (whichever comes first), you must upgrade to a paid account to access Oracle Support. If you choose not to upgrade and continue to use Always Free Services, you will not be eligible to raise a service request in My Oracle Support.
In addition to support for technical issues, use My Oracle Support if you need to:
* Reset the password or unlock the account for the tenancy administrator
* Add or change a tenancy administrator
* Request a service limit increase
Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/GSG/Tasks/contactingsupport.htm
NEW QUESTION # 37
Which three components are part of Oracle Cloud Infrastructure Identity and Access Management service?
- A. Users
- B. Compute Instances
- C. Policies
- D. Roles
- E. Virtual Cloud Networks
- F. Regional Subnets
- G. Dynamic Groups
Answer: A,C,G
Explanation:
IAM components are
RESOURCE
The cloud objects that your company's employees create and use when interacting with Oracle Cloud Infrastructure. For example: compute instances, block storage volumes, virtual cloud networks (VCNs), subnets, route tables, etc.
USER
An individual employee or system that needs to manage or use your company's Oracle Cloud Infrastructure resources. Users might need to launch instances, manage remote disks, work with your virtual cloud network, etc. End users of your application are not typically IAM users. Users have one or more IAM credentials (see User Credentials).
POLICY
A document that specifies who can access which resources, and how. Access is granted at the group and compartment level, which means you can write a policy that gives a group a specific type of access within a specific compartment, or to the tenancy itself. If you give a group access to the tenancy, the group automatically gets the same type of access to all the compartments inside the tenancy. For more information, see Example Scenario and How Policies Work. The word "policy" is used by people in different ways: to mean an individual statement written in the policy language; to mean a collection of statements in a single, named "policy" document (which has an Oracle Cloud ID (OCID) assigned to it); and to mean the overall body of policies your organization uses to control access to resources.
GROUP
A collection of users who all need the same type of access to a particular set of resources or compartment.
DYNAMIC GROUP
A special type of group that contains resources (such as compute instances) that match rules that you define (thus the membership can change dynamically as matching resources are created or deleted). These instances act as "principal" actors and can make API calls to services according to policies that you write for the dynamic group.
NETWORK SOURCE
A group of IP addresses that are allowed to access resources in your tenancy. The IP addresses can be public IP addresses or IP addresses from a VCN within your tenancy. After you create the network source, you use policy to restrict access to only requests that originate from the IPs in the network source.
COMPARTMENT
A collection of related resources. Compartments are a fundamental component of Oracle Cloud Infrastructure for organizing and isolating your cloud resources. You use them to clearly separate resources for the purposes of measuring usage and billing, access (through the use of policies), and isolation (separating the resources for one project or business unit from another). A common approach is to create a compartment for each major part of your organization. For more information, see Setting Up Your Tenancy.
TENANCY
The root compartment that contains all of your organization's Oracle Cloud Infrastructure resources. Oracle automatically creates your company's tenancy for you. Directly within the tenancy are your IAM entities (users, groups, compartments, and some policies; you can also put policies into compartments inside the tenancy). You place the other types of cloud resources (e.g., instances, virtual networks, block storage volumes, etc.) inside the compartments that you create.
HOME REGION
The region where your IAM resources reside. All IAM resources are global and available across all regions, but the master set of definitions reside in a single region, the home region. You must make changes to your IAM resources in your home region. The changes will be automatically propagated to all regions. For more information, see Managing Regions.
FEDERATION
A relationship that an administrator configures between an identity provider and a service provider. When you federate Oracle Cloud Infrastructure with an identity provider, you manage users and groups in the identity provider. You manage authorization in Oracle Cloud Infrastructure's IAM service. Oracle Cloud Infrastructure tenancies are federated with Oracle Identity Cloud Service by default.
Reference:
https://docs.cloud.oracle.com/en-us/iaas/data-safe/doc/iam-components.html
NEW QUESTION # 38
What service is NOT available as part of Oracle Cloud Free Tier?
- A. Oracle Cloud Infrastructure Compute
- B. Oracle Cloud Infrastructure Autonomous Data Warehouse
- C. Oracle Cloud Infrastructure Exadata DB Systems
- D. Oracle Cloud Infrastructure Monitoring
Answer: C
Explanation:
For more information on Oracle Cloud Infrastructure Free Tier refer below official documentation
https://docs.cloud.oracle.com/en-us/iaas/Content/FreeTier/freetier.htm?Highlight=Free%20Tier Exadata DB Systems aren't a part of the free tier:
NEW QUESTION # 39
Which is NOT a valid business benefit for a customer considering migrating their infrastructure and apps to Oracle Cloud Infrastructure (OCI)?
- A. Increased Total Cost of Ownership (TCO)
- B. Faster go-to market
- C. Greater agility
- D. Capital Expenditure to Operational Expenditure conversion
Answer: A
Explanation:
Oracle Cloud Infrastructure is a set of complementary cloud services that enable you to build and run a wide range of applications and services in a highly available hosted environment. Oracle Cloud Infrastructure offers high-performance compute capabilities (as physical hardware instances) and storage capacity in a flexible overlay virtual network that is securely accessible from your on-premises network.
Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/GSG/Concepts/baremetalintro.htm One of the major benefits of cloud computing is REDUCED TCO. Therefore, Increased TCO is the incorrect option.
NEW QUESTION # 40
Which database technology underlines Oracle Cloud Infrastructure Autonomous Database?
- A. PostgreSQL
- B. MySQL
- C. Oracle Database
- D. Microsoft SQL Server
Answer: C
Explanation:
Oracle Cloud Infrastructure Autonomous Database is based on Oracle Database, the world's leading relational database management system. It leverages the features and capabilities of Oracle Database to provide a fully managed, self-driving, self-securing, and self-repairing database service6
NEW QUESTION # 41
What does compute instance horizonal scaling mean?
- A. stopping/starting the instance
- B. backing up data to object storage
- C. changing compute instance size
- D. adding additional compute instances
Answer: D
Explanation:
Cloud Horizontal Scaling refers to provisioning additional servers to meet your needs, often splitting workloads between servers to limit the number of requests any individual server is getting. In a cloud-based environment, this would mean adding additional instances instead of moving to a larger instance size.
Cloud Vertical Scaling refers to adding more CPU or memory to an existing server, or replacing one server with a more powerful server.
Reference:
https://cloudcheckr.com/cloud-cost-management/cloud-vs-data-center-what-is-scalability-in-cloud-computing/ Horizontal scaling means that you scale by adding more machines into your pool of resources whereas Vertical scaling means that you scale by adding more power (CPU, RAM) to an existing machine.
An easy way to remember this is to think of a machine on a server rack, we add more machines across the horizontal direction and add more resources to a machine in the vertical direction.
With horizontal-scaling it is often easier to scale dynamically by adding more machines into the existing pool - Vertical-scaling is often limited to the capacity of a single machine, scaling beyond that capacity often involves downtime and comes with an upper limit.
NEW QUESTION # 42
What is the frequency of OCI usage report generation?
- A. Annually
- B. Weekly
- C. Monthly
- D. Daily
Answer: D
Explanation:
A usage report is a comma-separated value (CSV) file that can be used to get a detailed breakdown of resources in Oracle Cloud Infrastructure for audit or invoice reconciliation.
The usage report is automatically generated daily, and is stored in an Oracle-owned Object Storage bucket. It contains one row per each Oracle Cloud Infrastructure resource (such as instance, Object Storage bucket, VNIC) per hour along with consumption information, metadata, and tags. Usage reports generally contain 24 hours of usage data, although occasionally a usage report may contain late-arriving data that is older than 24 hours.
Usage reports are retained for one year.
Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/Billing/Concepts/billingoverview.htm
https://docs.cloud.oracle.com/en-us/iaas/Content/Billing/Concepts/usagereportsoverview.htm
NEW QUESTION # 43
A customer wants to use Oracle Cloud Infrastructure (OCI) storing application backups which can be stored for months, but retrieved immediately based on business needs. Which OCI storage service can be used to meet this requirement?
- A. Block Volume
- B. Object Storage (standard)
- C. Archive Storage
- D. File Storage
Answer: B
Explanation:
Oracle Cloud Infrastructure offers two distinct storage class tiers to address the need for both performant, frequently accessed "hot" storage, and less frequently accessed "cold" storage. Storage tiers help you maximize performance where appropriate and minimize costs where possible.
Use Object Storage for data to which you need fast, immediate, and frequent access. Data accessibility and performance justifies a higher price to store data in the Object Storage tier.
Use Archive Storage for data to which you seldom or rarely access, but that must be retained and preserved for long periods of time. The cost efficiency of the Archive Storage tier offsets the long lead time required to access the data.
Unlike Object Storage, Archive Storage data retrieval is not instantaneous.
Reference:
https://oracledbwr.com/oracle-cloud-infrastructure-object-storage-service/
NEW QUESTION # 44
What is the primary purpose of Oracle Cloud infrastructure functions?
- A. To execute code in response to events or HTTP requests
- B. To store and manage files
- C. To deploy and manage virtual machine
- D. To provide a managed database service
Answer: A
Explanation:
The primary purpose of Oracle Cloud Infrastructure Functions is to execute code in response to events or HTTP requests. Functions is a fully managed, serverless platform that allows users to deploy and run code without provisioning or managing any infrastructure. Functions can be triggered by various sources, such as object storage, streaming, API gateway, or other cloud services.
NEW QUESTION # 45
Which Oracle Cloud Infrastructure (OCI) service can be used to protect sensitive and regulated data in OCI database services?
- A. Oracle Data Guard
- B. OCI OS management
- C. OCI Audit
- D. Oracle Data Safe
Answer: D
Explanation:
Oracle Data Safe is a unified control center for your Oracle databases which helps you understand the sensitivity of your data, evaluate risks to data, mask sensitive data, implement and monitor security controls, assess user security, monitor user activity, and address data security compliance requirements.
Whether you're using an Autonomous Database or an Oracle DB system, Oracle Data Safe delivers essential data security capabilities as a service on Oracle Cloud Infrastructure.
Features of Oracle Data Safe:
Oracle Data Safe provides the following set of features for protecting sensitive and regulated data in Oracle Cloud databases, all in a single, easy-to-use management console:
1) Security Assessment helps you assess the security of your cloud database configurations. It analyzes database configurations, user accounts, and security controls, and then reports the findings with recommendations for remediation activities that follow best practices to reduce or mitigate risk.
2) User Assessment helps you assess the security of your database users and identify high risk users. It reviews information about your users in the data dictionary on your target databases, and calculates a risk score for each user. For example, it evaluates the user types, how users are authenticated, the password policies assigned to each user, and how long it has been since each user has changed their password. It also provides a direct link to audit records related to each user. With this information, you can then deploy appropriate security controls and policies.
3) Data Discovery helps you find sensitive data in your cloud databases. You tell Data Discovery what kind of sensitive data to search for, and it inspects the actual data in your database and its data dictionary, and then returns to you a list of sensitive columns. By default, Data Discovery can search for a wide variety of sensitive data pertaining to identification, biographic, IT, financial, healthcare, employment, and academic information.
4) Data Masking provides a way for you to mask sensitive data so that the data is safe for non-production purposes. For example, organizations often need to create copies of their production data to support development and test activities. Simply copying the production data exposes sensitive data to new users. To avoid a security risk, you can use Data Masking to replace the sensitive data with realistic, but fictitious data.
5) Activity Auditing lets you audit user activity on your databases so you can monitor database usage and be alerted of unusual database activities.
NEW QUESTION # 46
A banking platform has been re-designed to a microservices based architecture using Docker containers for deployment.
Which service can you use to deploy containers on Oracle Cloud Infrastructure (OCI)?
- A. Container Engine for Kubernetes (OKE)
- B. API Gateway
- C. Streaming Service
- D. File Storage Service
Answer: A
Explanation:
Oracle Cloud Infrastructure Container Engine for Kubernetes is a fully-managed, scalable, and highly available service that you can use to deploy your containerized applications to the cloud. Use Container Engine for Kubernetes (sometimes abbreviated to just OKE) when your development team wants to reliably build, deploy, and manage cloud-native applications. You specify the compute resources that your applications require, and Container Engine for Kubernetes provisions them on Oracle Cloud Infrastructure in an existing OCI tenancy.
Container Engine for Kubernetes uses Kubernetes - the open-source system for automating deployment, scaling, and management of containerized applications across clusters of hosts. Kubernetes groups the containers that make up an application into logical units (called pods) for easy management and discovery.
You can access Container Engine for Kubernetes to define and create Kubernetes clusters using the Console and the REST API. You can access the clusters you create using the Kubernetes command line (kubectl), the Kubernetes Dashboard, and the Kubernetes API.
Container Engine for Kubernetes is integrated with Oracle Cloud Infrastructure Identity and Access Management (IAM), which provides easy authentication with native Oracle Cloud Infrastructure identity functionality.
NEW QUESTION # 47
Which three services Integrate with Oracle Cloud Infrastructure (OCI) Key Management?
- A. Functions
- B. Identity and Access Management
- C. Object Storage
- D. Block Volume
- E. Auto Scaling
- F. File Storage
Answer: C,D,F
Explanation:
DATA ENCRYPTION
Protect customer data at-rest and in-transit in a way that allows customers to meet their security and compliance requirements for cryptographic algorithms and key management The Oracle Cloud Infrastructure Block Volume service always encrypts all block volumes, boot volumes, and volume backups at rest by using the Advanced Encryption Standard (AES) algorithm with 256-bit encryption. By default all volumes and their backups are encrypted using the Oracle-provided encryption keys. Each time a volume is cloned or restored from a backup the volume is assigned a new unique encryption key.
The File Storage service encrypts all file system and snapshot data at rest. By default all file systems are encrypted using Oracle-managed encryption keys. You have the option to encrypt all of your file systems using the keys that you own and manage using the Vault service.
Object Storage employs 256-bit Advanced Encryption Standard (AES-256) to encrypt object data on the server. Each object is encrypted with its own data encryption key. Data encryption keys are always encrypted with a master encryption key that is assigned to the bucket. Encryption is enabled by default and cannot be turned off. By default, Oracle manages the master encryption key.
Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/Block/Concepts/overview.htm
https://docs.cloud.oracle.com/en-us/iaas/Content/Object/Concepts/objectstorageoverview.htm
https://docs.cloud.oracle.com/en-us/iaas/Content/File/Concepts/filestorageoverview.htm Oracle Cloud Infrastructure Key Management is a managed service that enables you to encrypt your data using keys that you control.
IAM, Autoscaling and functions cannot be used with Key Management and hence are incorrect options.
NEW QUESTION # 48
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