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NEW QUESTION 36
A large financial company has a web application hosted in their on-premises data center. They are migrating their application to Oracle Cloud Infrastructure (OCI) and require no downtime while the migration is on-going. In order to achieve this, they have decided to divert only 30% of the application works fine, they divert all traffic to OCI.
As a solution architect working with this customer, which suggestion should you provide them?

• A. Use an OCI load Balancer and distribute the traffic between OCI and on premises infrastructure.
• B. Use OCI Traffic management with failover steering policy and distribute the traffic between OC1 and on premises infrastructure.
• C. Use OCI Traffic management with Load Balancing steering policy and distribute the traffic between OCI and on premises infrastructure.
• D. Use VPN connectivity between on premises Infrastructure and OCI, and create routing tables to distribute the traffic between them.

Answer: C

Explanation:
Traffic Management Steering Policies can account for health of answers to provide failover capabilities, provide the ability to load balance traffic across multiple resources, and account for the location where the query was initiated to provide a simple, flexible and powerful mechanism to efficiently steer DNS traffic.

NEW QUESTION 37
After performing maintenance on an Oracle Linux compute instance the system is returned to a running state You attempt to connect using SSH t to do so. You decide to create an instance console connection to troubleshoot the issue.
Which three tasks would enable you to connect to the console connection and begin troubleshooting?

• A. Upload an API signing key for console connection authentication.
• B. Use SSH to connect to the service endpoint of the console connection service
• C. Stop the compute Instance using the Oracle cloud Infrastructure (OCI) Command Line interface (CLI).
• D. Reboot the compute instance using the Oracle Cloud Infrastructure (OCI) Management Console
• E. edit the Linux boot menu to enable access to console.
• F. Use SSH to connect to the public: IP address of the compute Instance and provide the console connection OCID as the username.

Answer: B,D,E

Explanation:
The Oracle Cloud Infrastructure Compute service provides console connections that enable you to remotely troubleshoot malfunctioning instances, such as:
An imported or customized image that does not complete a successful boot.
A previously working instance that stops responding.
the steps to connect to console and troubleshoot the OS Issue
1- Before you can connect to the serial console you need to create the instance console connection.
Open the navigation menu. Under Core Infrastructure, go to Compute and click Instances.
Click the instance that you're interested in.
Under Resources, click Console Connections.
Click Create Console Connection.
Upload the public key (.pub) portion for the SSH key. You can browse to a public key file on your computer or paste your public key into the text box.
Click Create Console Connection.
When the console connection has been created and is available, the status changes to ACTIVE.
2- Connecting to the Serial Console
you can connect to the serial console by using a Secure Shell (SSH) connection to the service endpoint of the console connection service Open the navigation menu. Under Core Infrastructure, go to Compute and click Instances.
Click the instance that you're interested in.
Under Resources, click Console Connections.
Click the Actions icon (three dots), and then click Copy Serial Console Connection for Linux/Mac.
Paste the connection string copied from the previous step to a terminal window on a Mac OS X or Linux system, and then press Enter to connect to the console.
If you are not using the default SSH key or ssh-agent, you can modify the serial console connection string to include the identity file flag, -i , to specify the SSH key to use. You must specify this for both the SSH connection and the SSH ProxyCommand, as shown in the following line:
ssh -i /<path>/<ssh_key> -o ProxyCommand='ssh -i /<path>/<ssh_key> -W %h:%p -p 443...
Press Enter again to activate the console.
3- Troubleshooting Instances from Instance Console Connections
To boot into maintenance mode
Reboot the instance from the Console.
When the reboot process starts, switch back to the terminal window, and you see Console messages start to appear in the window. As soon as you see the GRUB boot menu appear, use the up/down arrow key to stop the automatic boot process, enabling you to use the boot menu.
In the boot menu, highlight the top item in the menu, and type e to edit the boot entry.
In edit mode, use the down arrow key to scroll down through the entries until you reach the line that starts with either linuxefi for instances running Oracle Autonomous Linux 7.x or Oracle Linux 7.x, or kernel for instances running Oracle Linux 6.x.
At the end of that line, add the following:
init=/bin/bash
Reboot the instance from the terminal window by entering the keyboard shortcut CTRL+X.

NEW QUESTION 38
You are working as a solution architect for a customer in Frankfurt, which uses multiple compute instance VMs spread among three Availability Domains in the Oracle Cloud Infrastructure (OCI) eu-frankfurt-1 region. The compute instances do not have public IP addresses and are running in private subnets inside a Virtual Cloud Network (VCN). You have set up OCI Autoscaling feature for the compute instances, but find out that instances cannot be auto scaled. You have enabled monitoring on the instances.
What could be wrong in this situation?

• A. You need to assign a reserved public IP address to the compute instances.
• B. You need to set up a Service Gateway to send metrics to the OCI Monitoring service.
• C. Autoscaling only works with single availability domains.
• D. Autoscaling only works for instances with public IP addresses.

Answer: B

NEW QUESTION 39
You have to migrate your application to Oracle Cloud Infrastructure (OCI). The database is constantly being updated and needs to be online without interruptions. How can you transition the database to OCI without interrupting its use?

• A. Use an on-premises database with one-way synchronization to a cloud-based database and allow clients to connect only to the cloud database.
• B. Use an on-premises database with two-way synchronization to a cloud-based database and allow clients to connect to either databases.
• C. Use an on-premises database with one-way synchronization to a cloud-based database and allow clients to connect only to the on-premises database until it is synchronized.
• D. It is impossible to migrate without interruption.

Answer: C

NEW QUESTION 40
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. Load balancer will automatically distribute traffic between both the regions.
• B. The RTO is the acceptable timeframe of lost data that application can tolerate.
• C. 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.
• D. 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.
• E. rsync utility can be used to asynchronously copy file systems or snapshot data to another region.

Answer: A,C

NEW QUESTION 41
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