[Oct 21, 2023] 1z0-1085-23 Ultimate Study Guide - FreePdfDump
Ultimate Guide to Prepare 1z0-1085-23 Certification Exam for Oracle Cloud in 2023
NEW QUESTION # 111
Which TWO are valid regarding the Oracle Cloud Infrastructure (OCI) Logging service?
(Choose all correct Answers)
- A. It can analyze critical diagnostic information that describes how resources are performing and being accessed.
- B. It enables you to monitor cloud resources using metrics and alarms.
- C. It enables you to analyze cloud resources using custom metrics.
- D. It is a centralized single pane of glass for all logs in a tenancy.
- E. It can index, enrich, and aggregate log data from application.
Answer: A,D
Explanation:
OCI Logging service is a highly scalable and fully managed service that allows you to access logs from OCI resources. OCI Logging allows three kinds of logs: Audit, service, and custom logs. You can find more details for each of these logs in the documentation3 OCI Logging service is a centralized single pane of glass for all logs in a tenancy. You can view and search logs on the Logging Search page. When searching logs, you can correlate across many logs simultaneously. For example, you can view results from multiple logs, multiple log groups, or even an entire compartment with one query3 OCI Logging service can index, enrich, and aggregate log data from application. Custom logs are logs that contain diagnostic information from custom applications, other cloud providers, or an on-premises environment. Custom logs can be ingested through the API, or by configuring the Unified Monitoring Agent. You can configure an OCI compute instance/resource to directly upload Custom Logs through the Unified Monitoring Agent. Custom logs are supported in both a virtual machine and bare metal scenario3 OCI Logging service can analyze critical diagnostic information that describes how resources are performing and being accessed. These logs include audit logs related to events emitted by the OCI Audit service, such as API calls or console actions performed by users or services in your tenancy; service logs emitted by OCI native services, such as API Gateway, Events, Functions, Load Balancer, Object Storage, and VCN Flow Logs; and custom logs from your own applications or sources3
NEW QUESTION # 112
After Signing up for a new Oracle cloud Infrastructure tenancy, what would you subscribe to in order to deploy infrastructure and services in different parts of the world?
- A. Region
- B. Fault Domains
- C. Pay as you go pricing
- D. Availability Domain
Answer: A
Explanation:
Oracle Cloud Infrastructure is hosted in regions and availability domains. A region is a localized geographic area, and an availability domain is one or more data centers located within a region. A region is composed of one or more availability domains. Most Oracle Cloud Infrastructure resources are either region-specific, such as a virtual cloud network, or availability domain-specific, such as a compute instance. Traffic between availability domains and between regions is encrypted. Availability domains are isolated from each other, fault tolerant, and very unlikely to fail simultaneously. Because availability domains do not share infrastructure such as power or cooling, or the internal availability domain network, a failure at one availability domain within a region is unlikely to impact the availability of the others within the same region.
The availability domains within the same region are connected to each other by a low latency, high bandwidth network, which makes it possible for you to provide high-availability connectivity to the internet and on-premises, and to build replicated systems in multiple availability domains for both high-availability and disaster recovery.
Oracle is adding multiple cloud regions around the world to provide local access to cloud resources for our customers. To accomplish this quickly, we've chosen to launch regions in new geographies with one availability domain.
As regions require expansion, we have the option to add capacity to existing availability domains, to add additional availability domains to an existing region, or to build a new region. The expansion approach in a particular scenario is based on customer requirements as well as considerations of regional demand patterns and resource availability.
For any region with one availability domain, a second availability domain or region in the same country or geo-political area will be made available within a year to enable further options for disaster recovery that support customer requirements for data residency where they exist.
NEW QUESTION # 113
Which capability can be used to protect against unexpected hardware or power supply failures within an availability domain?
- A. Power Distribution Units
- B. Fault Domains
- C. Top of Rack Switches
- D. Compartments
Answer: B
Explanation:
A fault domain is a grouping of hardware and infrastructure within an availability domain. Each availability domain contains three fault domains. Fault domains provide anti-affinity: they let you distribute your instances so that the instances are not on the same physical hardware within a single availability domain. A hardware failure or Compute hardware maintenance event that affects one fault domain does not affect instances in other fault domains. In addition, the physical hardware in a fault domain has independent and redundant power supplies, which prevents a failure in the power supply hardware within one fault domain from affecting other fault domains.
Usually fault domains to do the following things:
1) Protect against unexpected hardware failures or power supply failures.
2) Protect against planned outages because of Compute hardware maintenance.
NEW QUESTION # 114
Which two situations incur costs in Oracle Cloud Infrastructure (OCI)?
- A. Transferring data from one instance to another across different Availibility Domains in a Region
- B. Data egress to the internet
- C. Transferring data across regions
- D. Transferring data from one instance to another in the same Availibility Domain
- E. Data ingress from the internet
Answer: B,C
NEW QUESTION # 115
Which Oracle Cloud Infrastructure (OCI) service can be used for running serverless applications?
- A. Oracle Cloud VMware Solution
- B. Oracle container Engine for Kubernetes (OKE)
- C. Oracle Functions
- D. OCI API Gateway
Answer: C
Explanation:
Oracle Functions is the OCI service that can be used for running serverless applications. 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 engine4.
NEW QUESTION # 116
Which is NOT a supported workload type for Oracle Autonomous Database?
- A. JSON
- B. MySQL
- C. Data Warehouse
- D. Transaction Processing
- E. APEX
Answer: A
NEW QUESTION # 117
Which Oracle Cloud Infrastructure (OCI) service allows you to automate provisioning of Infrastructure resources using Terraform?
- A. Resource Manager
- B. Oracle Functions
- C. Events
- D. Compute
Answer: B
NEW QUESTION # 118
According to Shared security model, which two are a customer's responsibilities in Oracle Cloud Infrastructure (OCI)?
- A. Physical security of OCI data center facilities
- B. Customer data
- C. Local NVMe data persistence
- D. Object Storage data durability
- E. Virtual Machine hypervisor
Answer: B,D
Explanation:
Customer and Oracle's responsibilities can be divided into the following areas:
Physical Security: Oracle is responsible for protecting the global infrastructure that runs all of the services offered in Oracle Cloud Infrastructure. This infrastructure consists of the hardware, software, networking, and facilities that run Oracle Cloud Infrastructure services.
Identity and Access Management (IAM): As with all Oracle cloud services, you should protect your cloud access credentials and set up individual user accounts. You are responsible for managing and reviewing access for your own employee accounts and for all activities that occur under your tenancy. Oracle is responsible for providing effective IAM services such as identity management, authentication, authorization, and auditing.
Workload Security: You are responsible for protecting and securing the operating system and application layers of your compute instances from attacks and compromises. This protection includes patching applications and operating systems, operating system configuration, and protection against malware and network attacks. Oracle is responsible for providing secure images that are hardened and have the latest patches. Also, Oracle makes it simple for you to bring the same third-party security solutions that you use today.
Data Classification and Compliance: You are responsible for correctly classifying and labeling your data and meeting any compliance obligations. Also, you are responsible for auditing your solutions to ensure that they meet your compliance obligations.
Host Infrastructure Security: You are responsible for securely configuring and managing your compute (virtual hosts, containers), storage (object, local storage, block volumes), and platform (database configuration) services. Oracle has a shared responsibility with you to ensure that the service is optimally configured and secured. This responsibility includes hypervisor security and the configuration of the permissions and network access controls required to ensure that hosts can communicate correctly and that devices are able to attach or mount the correct storage devices.
Network Security: You are responsible for securely configuring network elements such as virtual networking, load balancing, DNS, and gateways. Oracle is responsible for providing a secure network infrastructure.
Client and Endpoint Protection: Your enterprise uses various hardware and software systems, such as mobile devices and browsers, to access your cloud resources. You are responsible for securing all clients and endpoints that you allow to access Oracle Cloud Infrastructure services.
Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/Security/Concepts/security_overview.htm
NEW QUESTION # 119
What do the terms OpEx and CapEx refer to?
- A. OpEx refers to Operational Expansion and CapEx refers to Capital Expenses
- B. OpEx refers to Operational Example and CapEx refers to Capita Example
- C. OpEx refers to Operational Excellence and CapEx refers to Capital Excellence
- D. OpEx refers to Operational Expenditure and CapEx refers to Capital Expenditure
Answer: D
Explanation:
CapEx is Capital expenditures comprise major purchases that will be used in the future.
OpEx Operating expenditures (expenses) represent day-to-day costs that are necessary to keep a business running.
NEW QUESTION # 120
Which Oracle Cloud Infrastructure (OCI) service is best suited for running serverless apps?
- A. Oracle Functions
- B. Audit
- C. Streaming
- D. Virtual Cloud Network
Answer: A
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 # 121
Which is NOT a valid target for the Oracle Cloud Infrastructure (OCI) Cloud Guard service?
- A. Root Compartment
- B. Region
- C. Compartment and its sub-compartments
- D. Tenancy
Answer: D
NEW QUESTION # 122
Which three components are part of Oracle Cloud Infrastructure Identity and Access Management service?
- A. Policies
- B. Compute Instances
- C. Virtual Cloud Networks
- D. Regional Subnets
- E. Dynamic Groups
- F. Roles
- G. Users
Answer: A,E,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 # 123
What is Oracle's responsibility according to the Oracle Cloud Infrastructure (OCI) shared-security model?
- A. Data classification and compliance
- B. Configuring OCI services securely
- C. Security of data center facilities
- D. Securing application workloads
Answer: C
Explanation:
Oracle's mission is to build cloud infrastructure and platform services for your business to have effective and manageable security to run your mission-critical workloads and store your data with confidence.
Oracle Cloud Infrastructure offers best-in-class security technology and operational processes to secure its enterprise cloud services. However, for you to securely run your workloads in Oracle Cloud Infrastructure, you must be aware of your security and compliance responsibilities. By design, Oracle provides security of cloud infrastructure and operations (cloud operator access controls, infrastructure security patching, and so on), and you are responsible for securely configuring your cloud resources. Security in the cloud is a shared responsibility between you and Oracle.
In a shared, multi-tenant compute environment, Oracle is responsible for the security of the underlying cloud infrastructure (such as data-center facilities, and hardware and software systems) and you are responsible for securing your workloads and configuring your services (such as compute, network, storage, and database) securely.
In a fully isolated, single-tenant, bare metal server with no Oracle software on it, your responsibility increases as you bring the entire software stack (operating systems and above) on which you deploy your applications. In this environment, you are responsible for securing your workloads, and configuring your services (compute, network, storage, database) securely, and ensuring that the software components that you run on the bare metal servers are configured, deployed, and managed securely.
More specifically, your and Oracle's responsibilities can be divided into the following areas:
NEW QUESTION # 124
Which feature allows you to logically group and isolate your Oracle Cloud Infrastructure resources?
- A. Compartments
- B. Tenancy
- C. Availability Domain
- D. Identity and Access Management Groups
Answer: A
Explanation:
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.
* User Group can use some resources in the compartment like network resources also they can't create it depend on the policy that assigned
* Remember, a compartment is a logical grouping, not a physical one
Reference:
https://docs.cloud.oracle.com/en-us/iaas/tools/oci-cli/2.9.8/oci_cli_docs/cmdref/iam/compartment.html
NEW QUESTION # 125
Which feature is NOT provided by Oracle Cloud infrastructure Security Zones?
- A. Automatically enforcing security best practices
- B. Restricting resource creation based on predefined security policies
- C. Continuous monitoring of security posture
- D. Storing and managing encryption keys and secrets
Answer: D
Explanation:
Storing and managing encryption keys and secrets is not a feature provided by Oracle Cloud Infrastructure Security Zones. Security Zones are compartments that enforce strict security policies on resources created within them. Security Zones help you prevent misconfigurations that could weaken your security posture or violate compliance requirements. Security Zones automatically apply predefined recipes of security policies based on best practices6. To store and manage encryption keys and secrets, you need to use Vault5.
NEW QUESTION # 126
Which TWO correctly describe the attributes of Oracle Cloud Infrastructure (OCI) compartments?
(Choose all correct answers)
- A. Resources within one compartment cannot interact with resources in other compartments.
- B. Compartments can be used to logically separate OCI resources.
- C. Compartments can be used to physically separate OCI resources.
- D. By default, your tenancy comes with a root compartment.
- E. Compartments cannot have sub compartments.
Answer: B,D
Explanation:
A compartment is a logical container that can hold OCI resources such as compute instances, block volumes, virtual cloud networks, etc. Compartments help you organize and control access to your resources based on business needs or security requirements3 By default, your tenancy comes with a root compartment that is the parent of all other compartments in your tenancy. You cannot delete the root compartment, but you can create subcompartments within it to further organize your resources3 Compartments can be used to logically separate OCI resources, not physically separate them. Resources within one compartment can interact with resources in other compartments, as long as the appropriate policies and network configurations are in place. For example, you can attach a compute instance in one compartment to a virtual cloud network in another compartment, or grant access to a user group in one compartment to manage resources in another compartment34
NEW QUESTION # 127
Which Oracle Cloud Infrastructure (OCI) capability allows you to set up alerts to notify you if a budget forecast exceeds or spending surpasses a certain amount?
- A. Cost Analysis
- B. Events
- C. Monitoring
- D. Budget
Answer: D
Explanation:
Budget is the OCI capability that allows you to set up alerts to notify you if a budget forecast exceeds or spending surpasses a certain amount. You can create budget alerts based on actual spending or forecasted spending, and specify the percentage or amount of the budget that triggers the alert. You can also choose how to receive the alert notifications, such as email or OCI Notifications service.
NEW QUESTION # 128
A customer wants to use Oracle Cloud Infrastructure (OCI) for storing application backups which can be stored based on business needs.
Which OCI storage service can be used to meet the requirement?
- A. File Storage
- B. Object Storage (standard)
- C. Archive Storage
- D. Block Volume
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.
1) 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.
2) 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. For more information, see Overview of Archive Storage.
The Oracle Cloud Infrastructure Object Storage service is an internet-scale, high-performance storage platform that offers reliable and cost-efficient data durability. The Object Storage service can store an unlimited amount of unstructured data of any content type, including analytic data and rich content, like images and videos.
With Object Storage, you can safely and securely store or retrieve data directly from the internet or from within the cloud platform. Object Storage offers multiple management interfaces that let you easily manage storage at scale. The elasticity of the platform lets you start small and scale seamlessly, without experiencing any degradation in performance or service reliability.
Object Storage is a regional service and is not tied to any specific compute instance. You can access data from anywhere inside or outside the context of the Oracle Cloud Infrastructure, as long you have internet connectivity and can access one of the Object Storage endpoints. Authorization and resource limits are discussed later in this topic.
Object Storage also supports private access from Oracle Cloud Infrastructure resources in a VCN through a service gateway. A service gateway allows connectivity to the Object Storage public endpoints from private IP addresses in private subnets. For example, you can back up DB systems to an Object Storage bucket over the Oracle Cloud Infrastructure backbone instead of over the internet. You can optionally use IAM policies to control which VCNs or ranges of IP addresses can access Object Storage. See Access to Oracle Services: Service Gateway for details.
Object Storage is Always Free eligible. For more information about Always Free resources, including additional capabilities and limitations, see Oracle Cloud Infrastructure Free Tier.
The following list summarizes some of the ways that you can use Object Storage.
NEW QUESTION # 129
Which CANNOT be used with My Oracle Support (MOS)?
- A. Request a Service Limit increase
- B. Reset the password or unlock the account for the tenancy administrator
- C. Add or change a tenancy administrator
- D. Troubleshoot your resources in an Oracle Cloud Infrastructure Free Trial account
Answer: D
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 # 130
Your client needs to move their Extract-Transform-Load (ETL) process to Oracle Cloud Infrastructure (OCI). They want to take a no-code approach.
Which OCI service would you recommend?
Analytics Cloud
- A. Data science
- B. Data Flow
- C. Data catalog
- D. Data Integration
Answer: A
NEW QUESTION # 131
Which kind of scaling is supported by virtual machines in Oracle Cloud Infrastructure Compute service?
- A. Scaling up or down, and scaling in or out
- B. Only scaling out
- C. Only scaling up or down
- D. Only scaling in
Answer: A
Explanation:
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 # 132
Oracle Cloud Infrastructure Budgets can be set on which two options?
- A. Free-form tags
- B. Cost-tracking tags
- C. Compartments
- D. Tenancy
- E. Virtual Cloud Network
Answer: B,C
Explanation:
A budget can be used to set soft limits on your Oracle Cloud Infrastructure spending. You can set alerts on your budget to let you know when you might exceed your budget, and you can view all of your budgets and spending from one single place in the Oracle Cloud Infrastructure console.
How Budgets Work:
Budgets are set on cost-tracking tags or on compartments (including the root compartment) to track all spending in that cost-tracking tag or for that compartment and its children.
All budgets alerts are evaluated every 15 minutes. To see the last time a budget was evaluated, open the details for a budget. You will see fields that show the current spend, the forecast and the "Spent in period" field which shows you the time period over which the budget was evaluated. When a budget alert fires, the email recipients configured in the budget alert receive an email.
NEW QUESTION # 133
Which is NOT required to register and log support requests in My Oracle Support (MOS)?
- A. Your Customer Support Identifier (CSl)
- B. Your tenancy OCID (Oracle Cloud Identifier)
- C. Your resource OCID (Oracle Cloud Identifier)
- D. Your account password
Answer: C
Explanation:
You can open a support service request with Oracle Support
To create a service request:
Go to My Oracle Support and sign in.
If you are not signed in to Oracle Cloud Support, click Switch to Cloud Support at the top of the page.
Click Create Service Request.
Select the following from the displayed menus:
Service Type: Select Oracle Cloud Infrastructure from the list.
Service Name: Select the appropriate option for your organization.
Problem Type: Select your problem type from the list.
Enter your contact information.
Enter a Description, and then enter the required fields specific to your issue. For most Oracle Cloud Infrastructure issues you need to include the OCID (Oracle Cloud Identifier) for each resource you need help with. See Locating Oracle Cloud Infrastructure IDs for instructions on locating these.
Reference:
https://www.zerowait-state.com/blog/create-sr/
NEW QUESTION # 134
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