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問題 #45
Which Traffic Management Steering Policy facilitates the distribution of DNS traffic based on the geographical location of end users?
答案:B
解題說明:
Geolocation Steering in OCI's Traffic Management Steering Policy allows you to distribute DNS traffic based on the geographical location of the end users. This method helps direct users to the nearest regional endpoint, optimizing latency and improving user experience.
Use Cases: Geolocation Steering is commonly used to deliver region-specific content, comply with data residency laws, or optimize service performance by directing traffic to the closest available servers.
Reference:
Oracle Cloud Infrastructure Documentation: Traffic Management Steering Policies
問題 #46
Which authentication option should you use to ensure third-party APIs communicate with OCI resources?
答案:B
解題說明:
When ensuring that third-party APIs communicate securely with OCI resources, the appropriate authentication option is API Signing Key.
API Signing Key: This method uses an RSA key pair to authenticate and sign API requests. The API signing key provides a secure and reliable way to ensure that the API requests to OCI are coming from an authorized source. It is commonly used for programmatic access to OCI services.
Other Options:
SSH Key Pair: Primarily used for secure shell access to compute instances, not for API authentication.
Auth Tokens: Typically used for authentication in environments where APIs don't support the API Signing Key, such as OCI CLI or SDKs.
OCI Username and Password: Generally used for the Console login, not for securing API communications.
Relevant OCI Documentation:
API Signing Key Authentication
This documentation provides details on using API Signing Keys for secure API communication in OCI.
問題 #47
With OCI's pricing of $0.0085 USD per Gigabyte for Outbound Data Transfer in North America, how much will they spend per month for 7 Petabytes of Outbound Data Transfer?
答案:C
解題說明:
To calculate the monthly cost for 7 Petabytes (PB) of outbound data transfer at a rate of $0.0085 per GB in North America:
Calculation:
1 PB = 1,000,000 GB
7 PB = 7,000,000 GB
Cost = 7,000,000 GB * $0.0085/GB = $59,500.00
Thus, the cost for 7 PB of outbound data transfer per month is $59,500.00.
Reference:
Oracle Cloud Infrastructure Pricing: OCI Pricing
問題 #48
Which compute capacity type would you select to meet these requirements?
答案:B
解題說明:
On-demand capacity is the compute capacity type in Oracle Cloud Infrastructure (OCI) that allows you to provision and use compute instances whenever needed, without any long-term commitment. This flexibility is ideal for various workloads, including development, testing, and production environments, where immediate availability and scalability are crucial.
Key Points:
On-Demand Capacity: On-demand compute instances provide users with the flexibility to spin up instances as required and only pay for the time the instances are running. This model is most suitable for workloads with unpredictable usage patterns or short-term requirements.
Flexibility and Scalability: With on-demand capacity, you can quickly scale your resources up or down based on your application's needs, ensuring that you only pay for the resources you actually use.
No Commitment: Unlike reserved capacity, on-demand capacity does not require any long-term commitment or upfront payment, making it an attractive option for organizations looking to avoid capital expenditures.
Reference:
Oracle Cloud Infrastructure Documentation: OCI Compute Pricing
Oracle Cloud Infrastructure Documentation: Compute Instance Lifecycle
Explanation of Incorrect Options:
A . Capacity reservation: This option allows you to reserve capacity in advance, ensuring that resources are available when needed. It's ideal for predictable workloads but may not be as cost-effective for fluctuating demands.
B . Preemptible capacity: Preemptible instances are a lower-cost option where instances can be terminated by OCI if resources are needed elsewhere. This is suitable for non-critical workloads that can tolerate interruptions.
D . Dedicated host: Dedicated hosts provide physical servers for your exclusive use, offering isolation and predictable performance. This option is more suitable for workloads requiring dedicated resources or compliance needs.
Thus, Option C: On-demand capacity is the correct choice for most general-purpose workloads needing flexibility and immediate availability without long-term commitment.
問題 #49
Which statement is true about File System Replication in Oracle Cloud Infrastructure (OCI)?
答案:B
解題說明:
File System Replication in Oracle Cloud Infrastructure (OCI) allows you to replicate data from one file system to another either within the same region or across different regions. This capability is particularly useful for disaster recovery, data protection, and global data distribution scenarios.
Cross-Region Replication: The replication feature enables you to create a copy of your file system in a different region, ensuring that your data is available even in the event of a regional failure.
Same-Region Replication: You also have the option to replicate data within the same region, which can be useful for scenarios such as high availability and local backups.
Reference:
Oracle Cloud Infrastructure Documentation: File System Replication
問題 #50
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