Question 1

You have a web application that is running on compute instances distributed across an availability domain's fault domains. To share state, instances of the application need to read and write to a shared file system that supports concurrent access from multiple instances. Which two can help fulfill this technical requirement?

Options :

A : Create a file system in the File Storage service. Create a mount target and export the file system. Mount the export onto all of the instances.

B : Attach a single block volume in read/write shared mode to all the instances. Enable the cluster plug-in on the Oracle Cloud Agent to coordinate access to the shared volume.

C : Attach a block volume to each instance. Enable replication between the block volumes.

D : Attach a single block volume in read/write shared mode to alt the instances. Use a cluster aware system such as Oracle Cluster File System version 2 (OCFS2) to coordinate access to the shared volume.

Answer: A,D

Question 2

You have recently joined a startup company and quickly find that nobody is tracking the amount of money spent on Oracle Cloud Infrastructure (OCI). Seeing an opportunity to help save money you begin creating a solution to better track the cost of resources provisioned by each individual on the team. Which option allows you to identify excessive spend across all re-sources in your tenancy? (Choose the best answer.)

Options :

A : Create a tag namespace named BILLING with a Tag Key named CostCenter. Tag each of your resources with this Tag Key and the correct value.

B : Use the Python SDK to write a custom application that will monitor the Audit log. Look for CREATE events and configure the application to send you an email each time a new resource is created.

C : Use the Events Service and create rules that will act when a new Object Storage bucket or Compute Instance has been created. Have the rule email you each time one of these events occurs.

D : Create a budget for each compartment that will send a notification when monthly spend reaches a predefined amount.

Answer: D

Question 3

Which two statements about the Oracle Cloud Infrastructure (OCI) Command Line Inter-face (CLI) are TRUE? (Choose two.)

Options :

A : The CLI allows you to use the Python language to interact with OCI APIs.

B : You can run CLI commands from inside OCI Regions only.

C : You can filter CLI output using the JMESPath query option for JSON.

D : The CLI provides the same core functionality as the Console, plus additional commands.

E : The CLI provides an automatic way to connect with instances provisioned on OCI.

Answer: C,D

Question 4

Which technique does NOT help you get the optimal performance out of the Oracle Cloud Infrastructure (OCI) File Storage service? (Choose the best answer.)

Options :

A : Increase concurrency by using multiple threads, multiple clients, and multiple mount targets.

B : Right size compute instances from where file system is accessed based on their network capacity.

C : Limit access to the same Availability Domain (AD) as the File Storage service where possible.

D : Serialize operations to the file system to access consecutive blocks as much as possible.

Answer: D

Question 5

You launched a Linux compute instance to host the new version of your company website via Apache Httpd server on HTTPS (port 443). The instance is created in a public subnet along with other instances. The default security list associated to the subnet is:

Options :

A : You want to allow access to the company website from public internet without exposing websites eventually hosted on the other instances in the public subnet. Which action would you take to accomplish the task? (Choose the best answer.)

B : Create an NSG, add a stateful rule to allow ingress access on port 443, and associate it with the public subnet that hosts the company website.

C : Create a Network Security Group (NSG), add a stateful rule to allow ingress access on port 443, and associate it with the instance that hosts the company website.

D : In the default security list, add a stateful rule to allow ingress access on port 443. Create a new security list with a stateful rule to allow ingress access on port 443 and associate it with the public subnet.

Answer: C

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