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1z0-1084-22関連資格知識、1z0-1084-22認定試験トレーリング

Oracle認証試験に参加する方はJapancertの問題集を買ってください。1z0-1084-22試験の成功を祈ります。

Oracle 1z0-1084-22 認定試験の出題範囲：

トピック	出題範囲
トピック 1	Discuss various strategies for testing cloud native applications Cloud Native Applications And Containerization
トピック 2	Use OCI Logging service to enable, manage, and search logs Testing and Securing Cloud Native Applications
トピック 3	Create API gateways to process traffic from API clients and route it to back-end services Leveraging Serverless Technologies for Cloud Native Development
トピック 4	Monitoring & Troubleshooting Cloud Native Applications Perform Tasks around Monitoring, Logging, and Tracing
トピック 5	Create integration between systems using OCI streaming service Explain the microservices architecture and discuss the design methodology of microservices
トピック 6	Build event-driven serverless applications using OCI event service Explain DevOps and discuss the role of container orchestration
トピック 7	Utilize OCI Monitoring service to view metrics Explain the fundamentals of cloud native and discuss the key pillars of cloud native development

Oracle Cloud Infrastructure 2022 Developer Professional 認定 1z0-1084-22 試験問題 (Q38-Q43):

質問 # 38
Given a service deployed on Oracle Cloud infrastructure Container Engine for Kubernetes (OKE), which annotation should you add in the sample manifest file to specify a 400 Mbps load balancer?

A. service, beta, kubernetes. lo/oci-load-balancer-value: 4 00Mbps
B. service . beta. kubernetes . lo/oci-load-balancer-shape: 400Mbps
C. service . beta . kubernetes . lo/oci-load-balancer-size: 400Mbps
D. service.beta, kubernetes. lo/oci-load-balancer-kind: 400Mbps

正解：B

解説：
The shape of an Oracle Cloud Infrastructure load balancer specifies its maximum total bandwidth (that is, ingress plus egress). By default, load balancers are created with a shape of 100Mbps. Other shapes are available, including 400Mbps and 8000Mbps.
To specify an alternative shape for a load balancer, add the following annotation in the metadata section of the manifest file:
service.beta.kubernetes.io/oci-load-balancer-shape: <value>
where value is the bandwidth of the shape (for example, 100Mbps, 400Mbps, 8000Mbps).
For example:
apiVersion: v1
kind: Service
metadata:
name: my-nginx-svc
labels:
app: nginx
annotations:
service.beta.kubernetes.io/oci-load-balancer-shape: 400Mbps
spec:
type: LoadBalancer
ports:
- port: 80
selector:
app: nginx
https://github.com/oracle/oci-cloud-controller-manager/blob/master/docs/load-balancer-annotations.md

質問 # 39
Per CAP theorem, in which scenario do you NOT need to make any trade-off between the guarantees?

A. when the system is running in the cloud
B. when the system is running on-premise
C. when you are using load balancers
D. when there are no network partitions

正解：D

解説：
(1) CAP THEOREM
"CONSISTENCY, AVAILABILITY and PARTITION TOLERANCE are the features that we want in our distributed system together" Of three properties of shared-data systems (Consistency, Availability and tolerance to network Partitions) only two can be achieved at any given moment in time.
(2) In a distributed system, you can have both Consistency and Availability, except when there is a Partition:
Relaxing the consistency requirements usually makes it easier to maintain availability, but the CAP theorem is not an excuse to give up strong consistency across the board. A well-designed system can balance both availability and consistency while tolerating partitions over a range of tradeoffs, where eventual consistency is just one possibility.
References:
https://blogs.oracle.com/maa/the-cap-theorem:-consistency-and-availability-except-when-partitioned

質問 # 40
You are developing a serverless application with Oracle Functions. You have created a function in compartment named prod. When you try to invoke your function you get the following error.
Error invoking function. status: 502 message: dhcp options ocid1.dhcpoptions.oc1.phx.aaaaaaaac... does not exist or Oracle Functions is not authorized to use it How can you resolve this error?

A. Create a policy:
Allow service FaaS to use virtual-network-family in compartment prod
B. Deleting the function and redeploying it will fix the problem
C. Create a policy:
Allow function-family to use virtual-network-family in compartment prod
D. Create a policy:
Allow any-user to manage function-family and virtual-network-family in compartment prod

正解：A

解説：
Troubleshooting Oracle Functions:
There are common issues related to Oracle Functions and how you can address them.
Invoking a function returns a FunctionInvokeSubnetNotAvailable message and a 502 error (due to a DHCP Options issue) When you invoke a function that you've deployed to Oracle Functions, you might see the following error message:
{"code":"FunctionInvokeSubnetNotAvailable","message":"dhcp options ocid1.dhcpoptions........ does not exist or Oracle Functions is not authorized to use it"} Fn: Error invoking function. status: 502 message: dhcp options ocid1.dhcpoptions........ does not exist or Oracle Functions is not authorized to use it If you see this error:
Double-check that a policy has been created to give Oracle Functions access to network resources.
Create Policies to Control Access to Network and Function-Related Resources:
Service Access to Network Resources
When Oracle Functions users create a function or application, they have to specify a VCN and a subnet in which to create them. To enable the Oracle Functions service to create the function or application in the specified VCN and subnet, you must create an identity policy to grant the Oracle Functions service access to the compartment to which the network resources belong.
To create a policy to give the Oracle Functions service access to network resources:
Log in to the Console as a tenancy administrator.
Create a new policy in the root compartment:
Open the navigation menu. Under Governance and Administration, go to Identity and click Policies.
Follow the instructions in To create a policy, and give the policy a name (for example, functions-service-network-access).
Specify a policy statement to give the Oracle Functions service access to the network resources in the compartment:
Allow service FaaS to use virtual-network-family in compartment <compartment-name> For example:
Allow service FaaS to use virtual-network-family in compartment acme-network Click Create.
Double-check that the set of DHCP Options in the VCN specified for the application still exists.
References:
https://docs.cloud.oracle.com/en-us/iaas/Content/Functions/Tasks/functionstroubleshooting.htm
https://docs.cloud.oracle.com/en-us/iaas/Content/Functions/Tasks/functionscreatingpolicies.htm

質問 # 41
In order to effectively test your cloud-native applications, you might utilize separate environments (development, testing, staging, production, etc.). Which Oracle Cloud Infrastructure (OC1) service can you use to create and manage your infrastructure?

A. OCI Container Engine for Kubernetes
B. OCI API Gateway
C. OCI Compute
D. OCI Resource Manager

正解：D

解説：
Resource Manager is an Oracle Cloud Infrastructure service that allows you to automate the process of provisioning your Oracle Cloud Infrastructure resources. Using Terraform, Resource Manager helps you install, configure, and manage resources through the "infrastructure-as-code" model.
References:
https://docs.cloud.oracle.com/iaas/Content/ResourceManager/Concepts/resourcemanager.htm

質問 # 42
Which two statements accurately describe Oracle SQL Developer Web on Oracle Cloud Infrastructure (OCI) Autonomous Database?

A. It is available for databases with both dedicated and shared Exadata infrastructure.
B. It must be enabled via OCI Identity and Access Management policy to get access to the Autonomous Databases instances.
C. After provisioning into an OCI compute Instance, it can automatically connect to the OCI Autonomous Databases instances.
D. It provides a development environment and a data modeler interface for OCI Autonomous Databases.
E. It is available for databases with dedicated Exadata infrastructure only.

正解：D、E

解説：
Oracle SQL Developer Web
Oracle SQL Developer Web in Autonomous Data Warehouse provides a development environment and a data modeler interface for Autonomous Databases. SQL Developer Web is available for databases with both dedicated Exadata infrastructure and shared Exadata infrastructure.
https://docs.cloud.oracle.com/en-us/iaas/Content/Database/Tasks/adbtools.htm

質問 # 43
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