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Oracle 1z0-1124-25 Exam Syllabus Topics:
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Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q98-Q103):
NEW QUESTION # 98
When migrating workloads from AWS to OCI, which connectivity option generally offers the LOWEST latency and HIGHEST bandwidth for data transfer, assuming a direct, dedicated connection is financially viable?
Answer: C
Explanation:
* Goal: Lowest latency, highest bandwidth for AWS-to-OCI migration.
* Option A: IPSec VPN over public internet has variable latency and limited bandwidth-incorrect.
* Option B: Third-party cloud exchange with Direct Connect and FastConnect offers a private, dedicated link, minimizing latency and maximizing bandwidth-correct.
* Option C: Storage Gateway over internet is slow and not dedicated-incorrect.
* Option D: Transit Gateway with VPN uses public internet, lacking performance-incorrect.
* Conclusion: Option B provides the best performance.
Oracle documentation notes:
* "A third-party cloud exchange provider can interconnect AWS Direct Connect and OCI FastConnect, delivering a private, high-bandwidth, low-latency connection."This validates Option B. Reference:
Multicloud Connectivity - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Concepts
/multicloud.htm).
NEW QUESTION # 99
Your security policy mandates that all communication between your compute instances in a private subnet and OCI Object Storage must be authenticated and authorized using IAM policies and not rely on public IP addresses. Which OCI networking feature is the most appropriate to satisfy this requirement?
Answer: D
Explanation:
* Requirement: Private, IAM-secured access to Object Storage.
* Option A: Public subnet with Internet Gateway uses public IPs-violates policy.
* Option B: NAT Gateway is for internet access, not private OCI services-incorrect.
* Option C: Service Gateway enables private access to Object Storage, paired with IAM for auth- correct.
* Option D: Public subnet with firewall still relies on public IPs-incorrect.
* Conclusion: Option C meets all requirements.
Oracle states:
* "Use a Service Gateway for private access to OCI Object Storage from a private subnet, with IAM policies for authentication and authorization."This supports Option C. Reference:Service Gateway Overview - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/servicegateway.
htm).
NEW QUESTION # 100
Your company is migrating its publicly accessible website to OCI. You want to ensure the highest level of security and prevent DNS spoofing or cache poisoning attacks. You've decided to implement DNSSEC.
Which of the following is the most important first step in enabling DNSSEC for your domain using OCI DNS?
Answer: D
Explanation:
* Objective:Enable DNSSEC to secure OCI DNS against spoofing.
* DNSSEC Process:Requires enabling on the zone, generating keys, and updating the registrar.
* Evaluate Options:
* A:Steering policies manage traffic, not DNSSEC; incorrect.
* B:OCI DNS auto-generates keys; manual upload unnecessary; incorrect.
* C:Enabling DNSSEC starts the process, provides DS record; correct first step.
* D:Resolver validation is client-side, not enabling DNSSEC; incorrect.
* Conclusion:Enabling DNSSEC on the zone is the critical first step.
DNSSEC setup begins at the zone level. The Oracle Networking Professional study guide states, "The first step to enable DNSSEC in OCI DNS is to activate it on the zone, which generates keys and provides a DS record to share with your registrar" (OCI Networking Documentation, Section: DNSSEC Configuration). This establishes the chain of trust.
NEW QUESTION # 101
In a multi-tier application environment with geographically dispersed teams requiring access to private resources, how can an OCI Bastion service be optimized to reduce latency for remote users?
Answer: A
Explanation:
* Objective: Reduce latency for remote users accessing private resources via Bastion.
* Option A: Single Bastion increases latency for distant users-incorrect.
* Option B: Multiple regional Bastions minimize latency by proximity-correct.
* Option C: Dynamic port forwarding doesn't address geographic latency-incorrect.
* Option D: Load balancer aids HA, not latency reduction-incorrect.
* Conclusion: Option B optimizes latency.
Oracle notes:
* "Deploy Bastion hosts in multiple regions to reduce latency for geographically dispersed users accessing private resources."This supports Option B. Reference:Bastion Service Overview - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Bastion/Concepts/bastionoverview.htm).
NEW QUESTION # 102
You are designing a highly available application that requires low latency communication between OCI regions. You have two VCNs, VCN-A in Region 1 and VCN-B in Region 2. These VCNs have non- overlapping CIDR blocks and you want to establish a private, direct connection between them for optimal performance. Which of the following steps are necessary to establish this cross-region connectivity using the native OCI networking capabilities?
Answer: D
Explanation:
* Requirements: Private, low-latency cross-region VCN connectivity.
* Option A: RPCs with route table updates enable private, direct peering via DRG-correct.
* Option B: IPSec VPN adds latency over internet-incorrect.
* Option C: Service Gateways are for OCI services-incorrect.
* Option D: NAT Gateways use public IPs, not private-incorrect.
* Conclusion: Option A is necessary.
Oracle states:
* "Use Remote Peering Connections (RPCs) with DRG to connect VCNs across regions privately.
Update route tables for CIDR routing."This supports Option A. Reference:Remote VCN Peering - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/remoteVCNpeering.htm).
NEW QUESTION # 103
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