Latest Oracle 1z0-1124-25 Test Questions & 1z0-1124-25 Cert Exam
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Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q69-Q74):
NEW QUESTION # 69
In a complex multi-region OCI environment using DRGs for transitive routing, which method is most efficient for ensuring that route updates from on-premises networks are propagated to all connected VCNs?
Answer: A
Explanation:
* Objective:Efficiently propagate on-premises route updates to multiple VCNs.
* DRG Capabilities:Supports route distribution to attached VCNs.
* Analyze Options:
* A:Manual updates are inefficient and error-prone; unsuitable.
* B:Centralized DRG with route distribution automates propagation; efficient.
* C:Multiple DRGs add complexity and manual effort; inefficient.
* D:Service Gateway is for OCI services, not route updates; incorrect.
* Conclusion:Centralized DRG with route distribution is the most efficient method.
Route distribution in a DRG simplifies multi-region routing. The Oracle Networking Professional study guide notes, "Using a centralized DRG with route distribution enabled allows routes learned from on-premises networks to be automatically propagated to all attached VCNs, reducing management overhead" (OCI Networking Documentation, Section: DRG Route Distribution). This leverages OCI's automation capabilities.
NEW QUESTION # 70
When configuring inter-tenancy VCN peering, what is the purpose of the "peer ID" provided by the requesting tenancy to the accepting tenancy?
Answer: D
Explanation:
* Context: Inter-tenancy VCN peering connects VCNs across different OCI tenancies using Remote Peering Connections (RPCs).
* Option A: Authentication of the root user is handled by IAM policies, not the peer ID, which is a technical identifier-incorrect.
* Option B: The peer ID is the OCID of the RPC created by the requesting tenancy. It uniquely identifies the RPC, allowing the accepting tenancy to target and establish the peering-correct.
* Option C: CIDR blocks are part of VCN configuration and shared separately, not via thepeer ID- incorrect.
* Option D: Security rules are defined by NSGs or security lists, not the peer ID-incorrect.
* Conclusion: The peer ID's purpose is to identify the requesting tenancy's RPC, making Option B the correct answer.
From Oracle's documentation:
* "For inter-tenancy peering, the requesting tenancy provides the OCID of its Remote Peering Connection (RPC), known as the peer ID, to the accepting tenancy. The accepting tenancy uses this ID to establish the peering."This confirms Option B. Reference:Remote VCN Peering Across Tenancies - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/remoteVCNpeering.htm#cross- tenancy).
NEW QUESTION # 71
You are troubleshooting a BGP peering issue between your on-premises router and an OCI FastConnect virtual circuit. You have verified the physical connectivity and confirmed that the BGP session is established.
However, routes are not being exchanged. You suspect a problem with the BGP configuration. What is the MOST LIKELY cause of this issue, assuming the basic BGP configuration (AS numbers, peer IP addresses) is correct?
Answer: A
Explanation:
* Problem Context: BGP session is established, but no routes are exchanged, and basic config (ASNs, IPs) is correct.
* Option A Analysis: Misconfigured keepalive timers would cause the session to drop intermittently.
Since the session is confirmed as established, this is unlikely. Keepalives affect session stability, not route exchange.
* Option B Analysis: A mismatch in BGP authentication keys (e.g., MD5 passwords) would prevent the session from establishing. Given the session is up, this is not the issue.
* Option C Analysis: BGP prefix lists or route maps filter advertised routes. If either the on-premises router or OCI applies a filter (intentionally or misconfigured), it could block route advertisements despite an established session. This is a common issue in BGP setups and aligns with the symptoms.
* Option D Analysis: MTU mismatches could cause packet loss or fragmentation, but BGP uses TCP (small packets), and session establishment indicates MTU isn't the primary issue. Route exchange failures are more likely due to filtering than MTU.
* Conclusion: Option C is the most likely cause, as filtering directly prevents route exchange without affecting session status.
From Oracle's FastConnect documentation:
* "Once a BGP session is established, routes are exchanged based on the prefixes advertised by each side.
Route maps, prefix lists, or filters on either the CPE or OCI side can restrict which routes are advertised or accepted."
* "If no routes appear in the routing table despite an active session, verify that no filters are blocking advertisements."This supports Option C as the most likely cause. Reference:FastConnect Overview - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/fastconnect.htm).
NEW QUESTION # 72
You are designing a multicloud architecture where your customer wants to leverage OCI for its cost-effective compute and storage, while utilizing Microsoft Azure's AI/ML services and AWS's extensive serverless capabilities. The application requires low latency and high bandwidth between the clouds. Which of the following approaches provides the LEAST optimal solution for interconnecting these three cloud providers for production workloads?
Answer: C
Explanation:
* Requirements: Low latency, high bandwidth for multicloud production.
* Option A: Dedicated peering via third-party provider offers high performance-optimal.
* Option B: IPSec VPNs over public internet have variable latency and limited bandwidth-least optimal.
* Option C: FastConnect peering with partners ensures dedicated performance-optimal.
* Option D: OCI-Azure Interconnect is fast, but VPN to AWS adds latency-less optimal than A or C but better than B.
* Conclusion: Option B is the least optimal due to performance constraints.
Oracle notes:
* "IPSec VPNs over public internet provide security but lack the bandwidth and latency consistency of dedicated connections like FastConnect for production workloads."This supports Option B as least optimal. Reference:Multicloud Connectivity Options - Oracle Help Center(docs.oracle.com/en-us/iaas
/Content/Network/Concepts/multicloud.htm#options).
NEW QUESTION # 73
You have deployed a distributed application across OCI and Azure. You have established the OCI-Azure Interconnect. You are experiencing packet loss and performance degradation when transmitting large volumes of data between the two cloud providers. You have verified that the network devices on both sides are correctly configured. Which is NOT a typical root cause to investigate when troubleshooting performance issues across the OCI-Azure Interconnect?
Answer: B
Explanation:
* Problem:Packet loss and degradation over OCI-Azure Interconnect.
* Typical Causes:Security rules, routing, MTU mismatches.
* Evaluate Options:
* A:NSGs/Security Lists blocking traffic is a common issue; typical.
* B:Routing misconfiguration can drop packets; typical.
* C:Pricing tiers affect billing, not interconnect bandwidth; not typical.
* D:MTU mismatches cause fragmentation and loss; typical.
* Conclusion:Pricing tiers are unrelated to interconnect performance issues.
Interconnect performance issues stem from network configuration, not pricing. The Oracle Networking Professional study guide states, "Troubleshooting multi-cloud interconnects involves checking security rules, routing, and MTU settings, as these directly impact traffic flow" (OCI Networking Documentation, Section:
Multi-Cloud Connectivity). Pricing tiers influence resource limits, not interconnect bandwidth.
NEW QUESTION # 74
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