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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Building Highly Available, Performant Cloud Architecture | 22% | - Leveling up Your Core Infrastructure
|
| Topic 2: Building Enterprise-grade Networks on Alibaba Cloud | 18% | - Cloud Networking Deep Dive
|
| Topic 3: Securing Workloads on Alibaba Cloud | 22% | - Alibaba Cloud Security Deep Dive
|
| Topic 4: Core Infrastructure Deep Dive | 26% | - Core Compute Infrastructure Deep Dive
|
| Topic 5: Delivering Services and Content on Alibaba Cloud | 12% | - Delivering Services and Content on Alibaba Cloud
|
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NEW QUESTION # 15
Eric is developing a containerized application that will run on an Alibaba Cloud Container Service for Kubernetes (ACK) cluster. This production application will run on a managed ACK cluster that is provisioned with pay-as-you-go instances.
Eric also needs a dedicated ACK cluster for development work. This cluster will be used infrequently to test the resiliency of the application. Due to having a limited workforce and time, Eric hopes that ACK will be able to manage all the nodes in the cluster.
As a Cloud Architect, which of the following solutions will meet these requirements MOST cost-effectively?
Answer: B
Explanation:
The requirements explicitly identify two separate environments: a production ACK cluster using stable pay-as- you-go ECS capacity and a dedicated development cluster that is used only intermittently. Option D satisfies both requirements while preserving ACK-managed node-pool operations.
For the development cluster, preemptible instances-now generally described as spot instances in current Alibaba Cloud documentation-are appropriate because the workload is temporary, interruption-tolerant, and cost-sensitive. Alibaba Cloud states that spot capacity can reduce compute costs substantially compared with ordinary pay-as-you-go instances. ACK node pools can use spot instances and can automatically perform scaling and replacement operations.
The production cluster remains on pay-as-you-go nodes, avoiding the reclamation risk associated with spot capacity. A separate managed development cluster also preserves workload isolation.
Option A does not provide the required second development cluster and imposes subscription commitment.
Option B requires Eric to maintain an external Auto Scaling and bootstrap mechanism, contradicting the desire for ACK to manage nodes. Option C again describes only one cluster and fails to retain the required production environment.
Study Guide reference: Core Infrastructure Deep Dive - ACK managed clusters, node pools, spot
/preemptible ECS, and cloud cost optimization.
NEW QUESTION # 16
A financial services firm is deploying a real-time analytics platform on Alibaba Cloud to analyze sensitive customer transaction data. The platform must ensure data encryption at rest and in transit, centralized encryption key management, and compliance with internal security policies.
As a Cloud Architect, which Alibaba Cloud services would you recommend for the firm to utilize to meet these requirements? (Correct answers: 3)
Answer: A,B,E
Explanation:
The three explicit requirements are centralized key management, encryption in transit, and encryption at rest.
KMS satisfies centralized cryptographic-key management. It provides secure key creation, storage, lifecycle management, access control, and integration with Alibaba Cloud services such as databases and storage.
Customer-managed software or hardware-protected keys can also be used where stricter compliance controls are required.
Certificate Management Service provides SSL/TLS certificates that establish encrypted HTTPS/TLS communication and verify server identity. TLS prevents sensitive transaction information from being transmitted as readable plaintext across network connections.
Transparent Data Encryption protects database data at rest. Alibaba Cloud RDS documentation identifies TDE as an encryption layer protecting database data files and backups without requiring applications to perform the underlying encryption themselves. RDS also separately supports SSL for database connection encryption.
Security Groups are an important network-access control, but the question requires exactly three controls specifically addressing encryption and centralized key management. Redis session management is unrelated.
The resulting security architecture therefore uses KMS for keys, TLS certificates for data in transit, and RDS TDE for persistent data at rest.
Study Guide reference: Securing Workloads on Alibaba Cloud - KMS, TLS/SSL, RDS encryption, TDE, and cryptographic key governance.
NEW QUESTION # 17
Kimiko works for a multinational retail chain that has just extended its internal business management services to Alibaba Cloud. They want to ensure the security and high-speed connectivity between its on-premises data center and multiple VPCs across different regions on Alibaba Cloud. The company wants to minimize network latency and ensure high availability without managing individual VPN connections for each VPC.
Which Alibaba Cloud service should the company use to achieve this goal?
Answer: B
Explanation:
Express Connect combined with Cloud Enterprise Network Transit Routers provides the appropriate enterprise hybrid-network architecture. Express Connect establishes a dedicated private circuit from the on- premises data center to Alibaba Cloud, providing lower latency, predictable performance, high bandwidth, and reduced exposure compared with Internet-based VPN connectivity.
The Express Connect circuit terminates through a Virtual Border Router. That VBR can be attached to CEN, where Transit Routers provide hub-and-spoke connectivity to multiple VPCs instead of requiring separate point-to-point connections for every VPC. Transit Routers can connect VPCs, VBRs, VPN attachments, and inter-region Transit Routers, enabling centralized routing across a geographically distributed enterprise network.
Alibaba Cloud also supports connecting an on-premises VBR and multiple VPCs to a Transit Router so that all attached networks communicate over private connectivity. Cross-region CEN connections then extend the architecture to VPCs in additional regions.
VPN Gateway relies on Internet-based encrypted tunnels and would require more tunnel management at scale.
NAT Gateway performs address translation and does not provide private hybrid interconnection. Apsara Stack is an on-premises cloud platform rather than the required connectivity service.
Study Guide reference: Building Enterprise-grade Networks on Alibaba Cloud - Express Connect, CEN, Transit Router, hybrid networking, and cross-region connectivity.
NEW QUESTION # 18
Jason ' s company is running a traditional web application on Alibaba Cloud ECS instances. The company wants to improve efficiency by refactoring the application as microservices that run on containers. The application must be deployed across multiple environments: production and testing. Load for the application is variable, but the minimum load and maximum load are known. As a Cloud Architect, you have been assigned the job of designing the updated application with a serverless architecture that minimizes operational complexity.
Which solution will meet these requirements MOST cost-effectively?
Answer: A
Explanation:
Serverless App Engine is the strongest fit because it provides an application-oriented serverless platform specifically intended for hosting containerized and microservice applications without requiring the organization to administer Kubernetes clusters or ECS infrastructure. SAE can deploy applications directly from container images, including images stored in Alibaba Cloud Container Registry, and automatically manages provisioning, application lifecycle, scaling, monitoring, and underlying resources.
SAE namespaces also provide logical isolation for development, testing, and production environments. This directly addresses the requirement for separate production and testing deployments while avoiding the overhead of maintaining separate ACK clusters.
SAE integrates with Application Load Balancer for Layer 7 ingress and routing. ALB can expose SAE applications and route traffic to the appropriate backend application instances.
ACK Serverless removes worker-node management but still introduces Kubernetes objects and cluster administration. ACK Managed requires even greater cluster administration. Function Compute is optimized for functions and event-driven processing rather than straightforward migration of a multi-service container application.
Study Guide reference: Core Infrastructure Deep Dive - serverless compute, SAE, containerized applications, microservices, and application scaling.
NEW QUESTION # 19
Belinda is designing an API-driven cloud communications platform. The application is hosted on Elastic Compute Service (ECS) instances behind a Network Load Balancer (NLB). It leverages API Gateway to serve public-facing APIs to customers. For security reasons, Belinda wants to protect the platform against web exploits like SQL injection and large, sophisticated DDoS attacks.
Which combination of solutions provides the MOST protection? (Correct answers: 2)
Answer: A,C
Explanation:
The threats described exist at different layers, so the architecture should apply layered protection. WAF is the correct control for public HTTP/API traffic because it analyzes application-layer requests and blocks threats such as SQL injection, cross-site scripting, command injection, brute-force attacks, and other OWASP-style attacks. Alibaba Cloud explicitly supports integrating WAF with API Gateway and recommends disabling direct access paths afterward so clients cannot bypass WAF.
Large DDoS attacks require a dedicated volumetric mitigation service. Anti-DDoS Proxy scrubs malicious network and transport-layer traffic before clean traffic is forwarded toward the application infrastructure.
Alibaba Cloud ' s Anti-DDoS architecture supports protected services behind Server Load Balancer resources and provides port-forwarding mechanisms for non-HTTP workloads.
Alibaba Cloud specifically recommends combining Anti-DDoS and WAF when an application needs protection against both large volumetric attacks and sophisticated application-layer exploits.
WAF should protect the HTTP/API application boundary rather than being treated as a general Layer-4 NLB firewall. Security Center provides workload security and posture management, while basic DDoS protection alone is less suitable for the question ' s explicitly stated large and sophisticated attacks.
Study Guide reference: Securing Workloads on Alibaba Cloud - WAF, Anti-DDoS, API Gateway security, and defense-in-depth.
NEW QUESTION # 20
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