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Home Oracle 1z0-1072-23

Oracle 1z0-1072-23 Exam Practice Questions (P. 2)

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Question #6
A financial firm is designing an application architecture for its online trading platform that should have high availability and fault tolerance.
Their solutions architect configured the application to use an Oracle Cloud Infrastructure (OCI) Object Storage bucket located in the US West (us-phoenix-1) region to store large amounts of financial data. The stored financial data in the bucket should not be impacted even if there is an outage in one of the Availability Domains or a complete region.
What should the architect do to avoid any costly service disruption and ensure data durability?
  1. A
    Create a lifecycle policy to regularly send data from the Standard to Archive storage.
  2. B
    Create a replication policy to send data to a different bucket in another OCI region.
  3. C
    Copy the Object Storage bucket to a block volume.
  4. D
    Create a new Object Storage bucket in another region and configure lifecycle policy to move data every 5 days.

Correct Answer:
B
chatbot-img GPT-4o - Answer
To ensure data durability and avoid service disruptions in case of a regional outage in an online trading platform, it’s ideal to create a replication policy. This policy enables the financial data stored in an OCI Object Storage bucket in one region to be automatically replicated to a different bucket in a separate OCI region. This setup not only ensures data redundancy but also provides a strong safeguard against data loss, catering to both high availability and fault tolerance needs of the application.

Question #7
As a network architect you have been tasked with creating a fully redundant connection from your on-premises data center to your Virtual Cloud Network (VCN) in the us-ashburn-1 region.
Which TWO options will accomplish this requirement? (Choose two.)
  1. A
    Configure two FastConnect virtual circuits to the us-ashburn-1 region and terminate them in diverse hardware on-premises.
  2. B
    Configure one FastConnect virtual circuit to the us-ashburn-1 region and the second FastConnect virtual circuit to the us-phoenix-1 region.
  3. C
    Configure a Site-to-Site VPN from a single on-premises CPE.
  4. D
    Configure one FastConnect virtual circuit to the us-ashburn-1 region and a Site-to-Site VPN to the us-ashburn-1 region.

Correct Answer:
AD
chatbot-img GPT-4o - Answer
Absolutely, you’ve got it right—Options A and D nail the redundancy requirement for the us-ashburn-1 region. By setting up two FastConnect virtual circuits as described in Option A, with termination on diverse hardware, you effectively mitigate the risk of a single point of failure. Complementing this with a Site-to-Site VPN as per Option D provides that essential backup connection, ensuring your network remains resilent even if one of the primary circuits faces issues. This dual strategy is fundamental in crafting a robust network architecture, maintaining seamless operation and connectivity.

Question #8
As your company's cloud architect, you have been invited by the CEO to join his staff meeting. They want your input on interconnecting Oracle Cloud Infrastructure (OCI) to another cloud provider in London, with some specific requirements:
They want resources in the other cloud provider to leverage OCI Autonomous Data Warehouse ML capabilities.
The connection between OCI and the other cloud provider should be provisioned as quickly as possible.
The connection should offer high bandwidth and predictable performance.
Which other cloud provider should you recommend to interconnect with OCI and meet the above requirements?
  1. A
    IBM Cloud
  2. B
    Microsoft Azure
  3. C
    Digital Ocean
  4. D
    Amazon Web Services
  5. E
    Google Cloud
  6. F
    OCI
  7. G
    Alibaba Cloud

Correct Answer:
B
chatbot-img GPT-4o - Answer
Microsoft Azure is the best recommendation given the requirements for high performance and integration capabilities with OCI, particularly for using Autonomous Data Warehouse and AI applications. Oracle has indeed partnered specifically with Microsoft, facilitating enhanced interoperability between Azure and OCI. This partnership optimizes for scenarios exactly like described in the question, ensuring quick provisioning and dependable, high-bandwidth connectivity.

Question #9
A recently hired network administrator has been given the task of removing SSH permissions from all compute instances in the company's tenancy. She finds all Virtual Cloud Networks (VCNs) in the tenancy using Tenancy Explorer. She removes port 22 from the Security Lists in all VCNs. After she completes the task, the very first compute instance that she tests SSH against, allows her to still SSH into it. Why is that?
  1. A
    The VCN where that compute instance resides still has an Internet Gateway.
  2. B
    The VCN where that compute instance resides still has a route rule that allows port 22.
  3. C
    The VNIC of that compute instance is attached to a Network Security Group (NSG) that has a stateful ingress rule for all protocols on source CIDR 0.0.0.0/0.
  4. D
    The VNIC of that compute instance is attached to a Cluster Network that has a stateful ingress rule for all protocols on source CIDR 0.0.0.0/0.

Correct Answer:
C
chatbot-img GPT-4o - Answer
In the query regarding why the administrator was still able to SSH into a compute instance despite removing port 22 from the security lists in all VCNs, the correct solution revolves around understanding a key aspect of Oracle Cloud Infrastructure's networking. A compute instance may still allow SSH access if its VNIC is associated with a Network Security Group (NSG) that includes a stateful ingress rule allowing SSH traffic (port 22) from any source. This NSG rule can override the security list settings at the VCN level. Therefore, checking NSG settings is critical when modifying access permissions for compute instances.

Question #10
Which TWO statements are TRUE about Private IP addresses in Oracle Cloud Infrastructure (OCI)? (Choose two.)
  1. A
    By default, the primary VNIC of an instance in a subnet has one primary private IP address and one secondary private IP address.
  2. B
    Each VNIC can only have one private IP address.
  3. C
    A private IP can have an optional public IP assigned to it if it resides in a public subnet.
  4. D
    By default, the primary VNIC of an instance in a subnet has one primary private IP address.

Correct Answer:
CD
chatbot-img GPT-4o - Answer
Private IP addresses are fundamental in structuring internal communication within your cloud network without exposing devices directly to the internet. In particular, private IPs can be associated with a public IP if located within a public subnet, facilitating controlled external access. Furthermore, each primary VNIC on an instance typically comes with only one primary private IP, aligning with standard network configuration practices. This setup simplifies network management and reduces complexity.

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