Oracle Cloud Infrastructure 2020 Architect Professional

문제1
A retail company runs their online shopping platform entirely on Oracle cloud Infrastructure (OCI). This is a 3-tier web application that Includes a Mbps Load Balancer. Virtual Machine Instances for web and an Oracle DB Systems Virtual Machine Due to unprecedented growth, they noticed an Increase in the Incoming traffic to their website and all users start getting 503 (Service Unavailable) errors.
What is the potential problem in this scenario?

A. You did not configure a Service Gateway to allow connection between web servers and load Balance

B. The Load Balancer health check status Indicates critical situation for half of the backend webservers

C. The Database Is down hence users can not access the web site

D. The Traffic Management Policy is not set to load Balancer the traffic to the web servers.

E. All the web servers are too busy and not able to answer any request from users.

정답: E

설명: (KoreaDumps 회원만 볼 수 있음)

문제2
An organization has its mission critical application consisting of multiple application servers and databases running inside Virtual Cloud Network (VCN) in uk-london-1 region. Their solution architect wants to further strengthen their architecture by planning for Disaster Recovery (DR) in eu-frankfurt-1 region.
Which two solutions should their architect keep in mind while designing for DR?

A. rsync utility can be used to asynchronously copy file systems or snapshot data to another region.

B. The RTO is the acceptable timeframe of lost data that application can tolerate.

C. Load balancer will automatically distribute traffic between both the regions.

D. A remote VCN peering connection is required to establish secure and reliable connectivity between different VCNs created in uk-london-1 and eu-frankfurt-1 region.

E. It is not possible to use Active Data Guard to synchronize a database in uk-london-1 region to equivalent database in eu-frankfurt-1 region.

정답: C,D

문제3
A company has an urgent requirement to migrate 300 TB of data to Oracle Cloud Infrastructure (OCI) In two weeks. Their data center has been recently struck by a massive hurricane and the building has been badly damaged, although still operational. They have a 100 Mbps Internet line but the connection is Intermittent due to the damages caused to the electrical grid in this scenario, what is the most effective service to use to migrate the data to OCI given the time constraints?

A. Storage Gateway to connect your data center and your VCN. Once the connection has been established, upload all data to OCI.

B. Use multiple OCI Data Transfer Appliances to transfer data to OCI.

C. Setup a OCI Storage Gateway to connect your data center and your VCN. Once the connection has been established, upload all data to OCI using OCI Storage Gateway Cloud Sync tool.

D. Setup a hybrid network by launching aIGbpsFastConnect virtual circuit between your data center and OCI. Use OCI Object storage multipart upload tool to automate the migration of your data to OCI.

E. Upload the data to OCI using OCI Object Storage multipart upload tool.

정답: B

설명: (KoreaDumps 회원만 볼 수 있음)

문제4
Which of the below options is true regarding Oracle Cloud Infrastructure's load balancing service?

A. When you create a private load balancer, the service requires 2 or more subnets to host both the primary and standby load balancers.

B. The public load balancer applies a floating public IP address to the primary load balancer.

C. You can dynamically change the load balancer shape to handle more incoming traffic.

D. A public load balancer is Availability Domain specific in scope.

정답: B

문제5
You work for a bank as the lead Oracle Cloud Infrastructure architect. You designed a highly scalable solution for your company's banking application. The architecture includes a load balancer, application servers with autoscaling configuration based on CPU utilization, and an Autonomous Database with Transaction Processing workload type running in a Virtual Cloud Network (VCN).
During the peak utilization period, the application users complain that the application runs slow.
What are two possible reasons for the application running slow at times? (Choose two.)

A. Instance pool in autoscaling configuration for the application servers did not scale out due to compartment quota breach of the VM shapes used by the application servers.

B. Instance pool in autoscaling configuration for the application servers did not scale out due to service limit breach of the VM shapes used by the application servers.

C. The load balancer is not configured correctly to send traffic to all the listeners of the application servers in the backend set.

D. Instance pool in autoscaling configuration for the Autonomous Database did not scale out due to misconfigured scaling policy.

E. The VCN does not have a Network Security Group configured to allow traffic from the load balancer to all the application servers in the backend set.

정답: A,B

문제6
An eCommerce company is running on Oracle Cloud Infrastructure (OCI) and many compute instances remain unused for the most part of the year except during Black Friday and Christmas. You suggest them to use OCI's Autoscaling feature and present them a slide to showcase the features of Autoscaling.
Which option below is inaccurate in your presentation to the customer?

A. Autoscaling requires an instance pool as a pre-requisite so that it can automatically adjust the number of compute instances in an instance pool.

B. Autoscaling relies on performance metrics such as CPU utilization that are collected by OCI Monitoring service to trigger an Autoscaling event.

C. A cooldown period between Autoscaling events lets the system stabilize at the updated level.

D. When an instance pool scales in, instances are terminated in this order: the number of instances is balanced across Availability Domains, and then balanced across Fault Domains. Finally, within a Fault Domain, the newest instance is terminated first.

정답: D

문제7
A digital marketing company is planning to host a website on Oracle Cloud Infrastructure (OCI) and leverage OCI Container Engine for Kubernetes (OKE). The web server will make API calls to access OCI Object Storage to store all images uploaded by users.
For security purposes, your manager instructed you to ensure that the credentials used by the web server to allow access not stored locally on the compute instance.
What solution results in an Implementation with the least effort for this scenario?

A. Configure the credentials using OCI Registry (OC1R) which will automatically connect with OKE allowing the web server to make API calls to OCI Object Storage.

B. Configure the credentials to use Transparent Data Encryption (TDE) which will automatically allow the web server to make API calls to OCl Object Storage.

C. Configure the credentials using Instance Principal to allow the web server to make API calls to OCl Object Storage

D. Configure the credentials using OCI Key Management to allow an instance to make API calls and grant access to OCl Object Storage.

정답: C

문제8
Your company developed a function that needs to access the Oracle Database to inject some data to it at runtime. You are tasked to move this function to the Oracle Cloud Infrastructure (OCI) and use Oracle Functions and access Oracle Autonomous Database. You created a Dockerfile below to run this function, however, you are getting this error "cx_Oracle.DatabaseError: ORA""12560: TNS:protocol adapter error".

What should you do to make sure that Oracle Functions can run this Dockerfile properly? (Choose the best answer.)

A. Add these two lines to your Dockerfile: groupadd """"gid 1000 fn && \ adduser """"uid 1000 """"gid fn fn

B. Use """"privileged flag while running the Docker container to add runtime privilege

C. Use """"cap""add=ALL flag while running the Docker container to add runtime capability

D. You ned to run this Container as root, so add this line: USER root

정답: A

설명: (KoreaDumps 회원만 볼 수 있음)

문제9
You have deployed a web application targeting a global audience across multiple Oracle Cloud Infrastructure (OCI) regions.
You decide to use Traffic Management Geo-Location based Steering Policy to serve web requests to users from the region closets to the user. Within each region you have deployed a public load balancer with 4 servers in a backend set. During a DR test disable all web servers in one of the regions however, traffic Management does not automatically direct all users to the other region.
Which two are possible causes?

A. You did not setup a Route Table associated with load Balancer's subnet

B. One of the two working web servers In the other region did not pass Its HTTP health check

C. You did not setup an HTTP Health Check associated with Load Balancer public IP in the disabled region.

D. You did not correctly setup the Load Balancer HTTP health check policy associated with backend set

E. Rather than using Geo-Location based Steering Policy, you should use Failover Policy Type to serve traffic.

정답: C,D

문제10
All three Data Guard Configuration are fully supported on Oracle Cloud infrastructure (OCI). You want to deploy a maximum availability architecture (MAA) for database workload.
Which option should you consider while designing your Data Guard configuration to ensure best RTO and PRO without causing any data loss?

A. Configure "Maximum Protection" mode which provides zero data loss If the primary database fails.

B. Configure ''Maximum Availability" mode in SYNC mode between two availability domains (same region), and use the Maximum Availability mode in SYNC mode between two regions.

C. Configure ''Maximum Scalability" mode which provides the highest level of scalability without compromising the availability of the primary database.

D. Configure "Maximum Performance" mode In SYNC mode between two availability domains (same region) which provides, the highest level of data protection that is possible without affecting the performance of the primary database.

정답: B

설명: (KoreaDumps 회원만 볼 수 있음)

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