VCETORRENT PROVIDES TO ORACLE 1Z0-1124-25 TEST MATERIALS

VCETorrent provides to Oracle 1z0-1124-25 test materials

VCETorrent provides to Oracle 1z0-1124-25 test materials

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Oracle 1z0-1124-25 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Implement and Operate Secure OCI Networking and Connectivity Solutions: This section of the exam measures the skills of a Cloud Security Specialist and centers around securing networking configurations and interconnectivity in OCI. It involves applying IAM policies for tenancy communication, using bastion services in multi-tier setups, exploring CloudShell capabilities, and evaluating network security layers like OCI Network Firewall, Web Application Firewall (WAF), edge services, and certificates. This section also references obsolete content related to IaC and OKE in networking architectures while touching on zero-trust packet routing models.
Topic 2
  • Design for Hybrid Networking Architectures: This section of the exam measures the skills of a Network Infrastructure Architect and assesses capabilities in designing hybrid networking environments. It involves demonstrating proficiency with Dynamic Routing Gateway (DRG) configurations, attachments, BGP routing protocols, VPN services, and evaluating FastConnect offerings. This section also emphasizes maintaining reliable multicloud connectivity and implementing IPSec over FastConnect, along with transitive routing practices.
Topic 3
  • Transitive Routing: This section of the exam measures the skills of a Network Security Engineer and focuses on the interpretation and synthesis of transitive routing configurations. It includes understanding how DRG, Local Peering Gateways (LPG), and network appliances interact in a routed network and implementing those configurations effectively.
Topic 4
  • Troubleshoot OCI Networking and Connectivity Issues: This section of the exam measures the skills of a Cloud Operations Engineer and evaluates the ability to select appropriate OCI tools and services for troubleshooting network and connectivity problems. It also tests knowledge of using OCI logging services to diagnose and resolve configuration or performance issues effectively.
Topic 5
  • Migrate Workloads to OCI: This section of the exam measures the skills of a Cloud Migration Specialist and focuses on identifying the best networking connectivity strategies when migrating workloads to Oracle Cloud. It includes scenarios involving on-premises infrastructure, other cloud providers, and multicloud environments, ensuring proper connectivity and minimal downtime during transitions.
Topic 6
  • Plan and Design OCI Networking Solutions and App Services: This section of the exam measures the skills of a Solutions Architect and focuses on planning comprehensive networking and application service strategies. It includes understanding IP management practices, choosing procedural steps for deployments, and evaluating OCI load balancers, DNS configurations, and traffic steering options. Basic familiarity with DNS Security Extensions (DNSsec) is acknowledged as a placeholder for future integration.
Topic 7
  • Design and Deploy OCI Virtual Cloud Networks (VCN): This section of the exam measures the skills of a Cloud Network Engineer and covers the design and configuration of Virtual Cloud Networks in Oracle Cloud Infrastructure. It includes understanding VCN and subnet characteristics, implementing both IPv4 and IPv6 addressing, identifying the distinct roles of OCI gateways, and recognizing endpoint types and their application within networking architectures. Knowledge of Object Storage endpoints is also referenced.

Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q88-Q93):

NEW QUESTION # 88
You are responsible for managing the network infrastructure of a multi-tenant SaaS application deployed on OCI. Each tenant has their own dedicated VCN. To simplify management and provide a centralized point for connectivity to your on-premises network via FastConnect, you are using a DRG. However, you need to ensure that tenants are logically isolated from each other, and no traffic can flow directly between tenant VCNs through the DRG. How can you achieve tenant isolation while still allowing each tenant to connect to your on-premises network through the centralized DRG?

  • A. Utilize a single DRG and attach all tenant VCNs to it. Create a separate compartment for each tenant VCN. This will automatically isolate tenant traffic at the DRG level.
  • B. Create a separate DRG for each tenant and attach the respective tenant VCN to its DRG. Configure static routes on each DRG to direct traffic appropriately.
  • C. Utilize a single DRG and attach all tenant VCNs to it. Implement Network Security Groups (NSGs) on each tenant VCN to explicitly block all traffic to and from other tenant VCNs.
  • D. Utilize a single DRG and attach all tenant VCNs to it. For each VCN attachment, use a DRG route table that only contains a route to the FastConnect attachment. Do not include any routes to other VCN attachments in any DRG route table.

Answer: D

Explanation:
* Requirements: Centralized DRG with tenant isolation.
* Option A: Separate DRGs complicate management-incorrect.
* Option B: NSGs work but are less secure than routing isolation-less optimal.
* Option C: Single DRG with per-VCN route tables restricting routes to FastConnect only ensures isolation at the routing level-correct.
* Option D: Compartments don't isolate traffic at DRG-incorrect.
* Conclusion: Option C is the most effective.
Oracle states:
* "Use separate DRG route tables per VCN attachment to isolate traffic. Include only FastConnect routes to prevent VCN-to-VCN communication."This supports Option C. Reference:DRG Route Tables - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/managingDRGs.htm).


NEW QUESTION # 89
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?

  • A. There is a mismatch in the BGP authentication keys between the on-premises router and OCI.
  • B. The advertised prefixes are being filtered by a prefix list or route map on either the on-premises router or the OCI FastConnect virtual circuit.
  • C. The BGP keepalive timers are misconfigured, causing the session to drop intermittently.
  • D. The MTU (Maximum Transmission Unit) size is mismatched, causing fragmentation and packet loss.

Answer: B

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 # 90
You are configuring a VCN with multiple subnets for a customer. The security team requires that all instances have IPv6 addresses. You configure the VCN with an IPv6 ULA CIDR block of fc00:1:1::/48 and create two private subnets. After launching instances in the two private subnets, you notice that they only have IPv4 addresses assigned. You have not manually configured any IPv6 addresses on the instances themselves. What steps are necessary to ensure the instances automatically receive IPv6 addresses?

  • A. Make sure the "Assign public IPv4 address" option is not selected during instance creation. This will force the instance to default to IPv6 allocation.
  • B. No further steps are needed. Instances will automatically receive IPv6 addresses within the configured subnets upon launch.
  • C. IPv6 address assignment is only supported on instances launched in public subnets.
  • D. Ensure that SLAAC (Stateless Address Autoconfiguration) is enabled on the operating system of the instances within the two subnets.

Answer: D

Explanation:
* Problem:Instances lack IPv6 addresses despite VCN IPv6 configuration.
* OCI IPv6 Behavior:IPv6 requires subnet enablement and OS support via SLAAC.
* Evaluate Options:
* A:Incorrect. OCI doesn't auto-assign IPv6 without OS configuration.
* B:Correct. SLAAC must be enabled on the instance OS for auto-assignment.
* C:Incorrect. IPv6 works in both public and private subnets.
* D:Incorrect. IPv4 and IPv6 assignments are independent.
* Conclusion:Enabling SLAAC on the OS ensures automatic IPv6 assignment.
IPv6 in OCI relies on SLAAC for automatic address assignment. The Oracle Networking Professional study guide states, "To enable IPv6 on instances, the VCN and subnet must have IPv6 CIDR blocks, and the instance OS must support SLAAC to automatically configure IPv6 addresses" (OCI Networking Documentation, Section: IPv6 Configuration). Without SLAAC, instances default to IPv4 only.


NEW QUESTION # 91
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?

  • A. The throughput of a VPN connection is limited by the available bandwidth and latency of the public internet
  • B. VPN connections are inherently less secure than dedicated private connections
  • C. VPN connections cannot be automated using Infrastructure as Code (IaC) tools
  • D. VPN connections are not compatible with all OCI services

Answer: A

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 # 92
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?

  • A. Create a Traffic Management Steering Policy with the "DNSSEC" option enabled.
  • B. Enable DNSSEC on the OCI DNS zone for your domain and obtain the Delegation Signer (DS) record from OCI DNS.
  • C. Generate a Key Signing Key (KSK) and a Zone Signing Key (ZSK) using a third-party tool and upload them to OCI DNS.
  • D. Configure the OCI DNS resolver to validate all incoming DNS responses using DNSSEC.

Answer: B

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 # 93
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