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NEW QUESTION # 59
You are designing an OCI networking architecture for a multi-tier application using Infrastructure as Code (IaC). The architecture includes an OKE cluster for the front-end, a set of Compute instances for the back- end, and an Autonomous Database. You want to ensure that all traffic between these components is encrypted. You are using Transport Layer Security (TLS) for end-to-end encryption but are concerned about the overhead of encrypting all traffic within the VCN. Which approach provides the MOST balanced approach to security and performance, minimizing the overhead of encryption while still protecting sensitive data?
Answer: A
Explanation:
* Goal: Balance security and performance with encryption in a VCN.
* Option A: TLS only to the load balancer leaves internal traffic unencrypted, risking exposure- insufficient security.
* Option B: mTLS everywhere maximizes security but adds significant overhead (e.g., certificate management), impacting performance-overkill.
* Option C: NSGs/Security Lists control access but don't encrypt traffic-lacks protection for sensitive data.
* Option D: TLS between OKE and Compute secures app-tier communication. Oracle Database Vault ensures ADB traffic is encrypted efficiently, leveraging built-in features-balanced approach.
* Conclusion: Option D optimizes security and performance.
Oracle states:
* "Use TLS for application traffic between tiers. Autonomous Database with Database Vaultprovides encryption in transit and at rest, minimizing overhead."This supports Option D. Reference:Security in OCI Networking - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Concepts
/securityoverview.htm).
NEW QUESTION # 60
Which of the following is a disadvantage of using a public internet-based VPN connection for migrating large datasets from another cloud provider to OCI?
Answer: D
Explanation:
* Objective: Identify a VPN disadvantage for large dataset migration.
* Option A: VPNs can be secure with IPSec; not inherently less secure-incorrect.
* Option B: VPNs are automatable with IaC (e.g., Terraform)-incorrect.
* Option C: Public internet limits VPN throughput due to bandwidth and latency variability-correct disadvantage.
* Option D: VPNs are compatible with OCI services-incorrect.
* Conclusion: Option C is the key disadvantage.
Oracle notes:
* "Public internet-based VPNs face throughput limitations due to bandwidth and latency variability, impacting large data migrations."This supports Option C. Reference:VPN Limitations - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/settingupIPSec.htm#limitations).
NEW QUESTION # 61
Your company is migrating an on-premises application to OCI. The application requires direct, low-latency access to an on-premises Microsoft SQL Server database. You've established a FastConnect connection between your on-premises network and an OCI VCN via a Dynamic Routing Gateway(DRG). You want to access this database from the OCI VCN. Which type of endpoint, in conjunction with appropriate routing, should you use to facilitate this connection?
Answer: D
Explanation:
* Requirement: Low-latency, direct access to an on-premises SQL Server via FastConnect.
* Option A: Internet Gateway with a public endpoint exposes the SQL Server to the internet, increasing latency and security risks-incorrect.
* Option B: Service Gateway is for OCI services (e.g., Object Storage), not on-premises resources- incorrect.
* Option C: FastConnect with a DRG provides a private, low-latency link. No additional OCI endpoint is needed; the SQL Server's private IP is accessed directly via DRG routing-correct.
* Option D: Private Endpoints are for OCI services within the VCN (e.g., ADB), not on-premises resources-incorrect.
* Conclusion: Option C leverages FastConnect and DRG for direct, secure access.
Oracle documentation notes:
* "FastConnect with a DRG enables private, low-latency connectivity to on-premises networks.
Configure route tables to access on-premises resources directly; no additional endpoints are required." This supports Option C. Reference:FastConnect Overview - Oracle Help Center(docs.oracle.com/en-us
/iaas/Content/Network/Tasks/fastconnect.htm).
NEW QUESTION # 62
You are configuring a FastConnect connection between your on-premises network and OCI. You need to establish a BGP (Border Gateway Protocol) session to exchange routing information. You want to use private peering to securely connect to your private resources within OCI. What are the MINIMUM requirements for configuring BGP for private peering over FastConnect?
Answer: C
Explanation:
* Goal: Minimum BGP setup for private FastConnect peering.
* Option A: Public ASN isn't required; private ASNs work-incorrect.
* Option B: Private ASN is allowed, but doesn't specify IPs-insufficient.
* Option C: Public IPs aren't needed for private peering-incorrect.
* Option D: Valid ASNs (public or private) and non-overlapping private IPs are the minimum for BGP- correct.
* Conclusion: Option D meets the requirements.
Oracle notes:
* "For BGP over FastConnect private peering, provide a valid ASN (public or private) and a non- overlapping IP range for peering."This confirms Option D. Reference:FastConnect BGP Configuration
- Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/fastconnect.htm#BGP).
NEW QUESTION # 63
You have configured DNSSEC for your domain hosted on OCI DNS. You understand the importance of regularly rotating your Key Signing Key (KSK) to maintain security best practices. Which of the following statements regarding KSK rotation in OCI DNS is TRUE?
Answer: A
Explanation:
* Objective: Identify the true statement about KSK rotation in OCI DNS.
* Option A: OCI DNS automates much of the process but requires user initiation, not fully automated- incorrect.
* Option B: OCI DNS generates keys internally; manual generation and upload aren't required- incorrect.
* Option C: OCI DNS offers a "KSK Rollover" feature that, once enabled, automates the rotation process, ensuring minimal disruption-correct.
* Option D: KSK rotation is supported via the rollover feature-incorrect.
* Conclusion: Option C accurately describes OCI DNS KSK rotation.
Oracle documentation confirms:
* "OCI DNS supports KSK rotation through the KSK Rollover feature. Enable it to automatically rotate keys while maintaining DNS resolution continuity."This validates Option C. Reference:DNSSEC in OCI DNS - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/DNS/Tasks/managingdnssec.htm).
NEW QUESTION # 64
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