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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Core Infrastructure Deep Dive | 26% | - Elastic Compute Service (ECS) and serverless computing - File Storage NAS and block storage - Object Storage Service (OSS) and storage solutions |
| Topic 2: Building Enterprise-grade Networks on Alibaba Cloud | 18% | - Network routing and security groups - VPC design and configuration - Express Connect and VPN Gateway |
| Topic 3: Building Highly Available, Performant Cloud Architecture | 22% | - Multi-zone deployment and disaster recovery - Performance optimization and resilience design - Auto Scaling and Server Load Balancer (SLB) |
| Topic 4: Securing Workloads on Alibaba Cloud | 22% | - Resource Access Management (RAM) and identity control - WAF, Anti-DDoS and network protection - Data security and compliance best practices |
| Topic 5: Delivering Services and Content on Alibaba Cloud | 12% | - Alibaba Cloud DNS and domain management - CDN and content delivery strategies - Service integration and access optimization |
>> Valid CAP-C01 Test Question <<
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NEW QUESTION # 11
Muthu is a Cloud Architect who is designing the architecture of a new application being deployed to Alibaba Cloud. The application will run on Elastic Compute Service (ECS) pay-as-you-go instances and will automatically scale across multiple zones based on load. The ECS cluster will scale in and out frequently throughout the day. An Application Load Balancer (ALB) will handle the load distribution. The architecture needs to support distributed session data management.
What should Muthu do to ensure that the architecture supports distributed session data management?
Answer: D
Explanation:
Tair (Redis OSS-Compatible) is the appropriate centralized session-state layer for an elastic, distributed application. When ECS instances frequently scale in and out, application sessions must not depend on the lifecycle of any individual compute node. By storing session tokens and session state in Tair, every ECS instance can retrieve the same session information, making the web/application tier effectively stateless and compatible with Auto Scaling.
Alibaba Cloud Tair is a fully managed Redis-compatible database designed for high throughput, low latency, elastic scalability, and high availability. Alibaba Cloud also documents session-oriented Tair use cases in which session tokens are stored as Redis/Tair data structures with TTL values, demonstrating precisely why the service fits distributed session management.
Session stickiness is weaker because it attempts to keep a user on a specific backend and therefore creates affinity to an instance that might be removed during scaling or failover. CloudMonitor is an observability service, not a session store. STS issues temporary Alibaba Cloud credentials and does not maintain application user sessions.
Consequently, separating session state from ECS compute by storing it in Tair gives the architecture the elasticity and fault tolerance required.
Study Guide reference: Distributed Architecture on Alibaba Cloud; Performant Architecture; Core Infrastructure Deep Dive.
NEW QUESTION # 12
Kenneth plans to deploy a real-time data processing platform on Alibaba Cloud to support his company ' s Internet-of-Things (IoT) business. The platform will handle millions of sensor data points collected from smart devices globally. Kenneth needs to ensure high throughput and low latency for data ingestion and analysis.
Which solutions should Kenneth consider integrating into the platform architecture to meet his expected performance requirements? (Correct answers: 3)
Answer: A,B,D
Explanation:
Time Series Database is specifically designed for timestamped telemetry generated by IoT devices, monitoring systems, and industrial equipment. Alibaba Cloud identifies IoT device monitoring as a core TSDB scenario, including continuously collecting, storing, analyzing, and querying device-status and business-event data in real time.
ApsaraMQ for Kafka provides the high-throughput ingestion and buffering layer. It is a managed distributed Kafka platform intended for real-time data pipelines, monitoring-data aggregation, log collection, streaming processing, and large-scale analytics. Its partitioned distributed architecture lets producers ingest very large event volumes while downstream consumers process the streams independently.
Function Compute supplies elastic event processing without persistent compute servers. Alibaba Cloud supports ApsaraMQ for Kafka triggers that invoke Function Compute automatically whenever new records arrive in Kafka topics. This enables functions to perform transformations, filtering, enrichment, alert generation, or routing in near real time.
EMR is valuable for Hadoop/Spark-style batch analytics, but the question specifically emphasizes low-latency real-time ingestion and analysis. It therefore does not replace the streaming components selected above.
Study Guide reference: Core Infrastructure Deep Dive - IoT telemetry, TSDB, ApsaraMQ for Kafka, Function Compute, and real-time streaming architectures.
NEW QUESTION # 13
An educational technology company is migrating its learning management system (LMS) to Alibaba Cloud.
The company mainly serves enterprise-grade customers, hence their platform must support automated backups, high availability across multiple zones, and granular access control for sensitive student records.
You have been hired as the lead Cloud Architect to build their architecture on Alibaba Cloud.
Which of the following architectural components will fit their requirements? (Correct answers: 3)
Answer: A,D,E
Explanation:
Each selected option maps directly to one of the stated enterprise requirements.
A multi-zone PolarDB deployment protects the database against availability-zone-level infrastructure failure.
Alibaba Cloud ' s multi-AZ PolarDB architecture keeps replicated data in separate zones and can use standby resources for failover when the primary zone becomes unavailable, resulting in a higher database SLA than a single-zone deployment.
Cloud Backup provides centralized policy-driven backup and recovery for Alibaba Cloud and on-premises resources, including ECS data, databases, NAS, OSS, and other supported workloads. This addresses the requirement for automated application and database protection without building custom backup infrastructure.
RAM roles and associated policies provide fine-grained authorization. RAM policies define allowed actions, affected resources, and optional access conditions, enabling least-privilege access to sensitive student data and administrative services.
Leaving OSS data unencrypted conflicts with the handling of sensitive enterprise information, while manual ACK scaling does not contribute to the stated requirement for high availability or automated operations.
The resulting architecture therefore combines multi-AZ database resilience, managed backup protection, and fine-grained identity authorization.
Study Guide reference: Securing Workloads on Alibaba Cloud - RAM; Building Highly Available, Performant Cloud Architecture - PolarDB HA and Cloud Backup.
NEW QUESTION # 14
An application runs on an Elastic Compute Service (ECS) with an Elastic IP address in VPC A within Alibaba Cloud. The application requires access to a database in VPC B. Both VPCs are in the same Alibaba Cloud account.
Which of the following solutions will provide the required access MOST securely?
Answer: A
Explanation:
VPC peering provides direct private communication between two VPCs without exposing either application or database traffic to the public Internet. Alibaba Cloud VPCs are isolated by default. After creating a peering connection and configuring the required bidirectional routes, resources in VPC A and VPC B can communicate using private IP addresses. VPC peering supports same-account and cross-account connections as well as same-region and cross-region configurations.
This is materially more secure than exposing the database publicly. The application ' s existing EIP does not need to participate in database connectivity; the application can use its ECS private address when communicating across the peering link. Security-group and database whitelist rules should then restrict access to only the required source CIDRs and ports.
Option A intentionally routes database access through public addressing. Option B introduces an unnecessary proxy server, additional management overhead, and another failure point. Option D creates the largest attack surface by making the database Internet-accessible.
The design principle is straightforward: when workloads in two Alibaba Cloud VPCs require direct communication, establish private network connectivity and keep sensitive database traffic off the Internet.
Study Guide reference: Building Enterprise-grade Networks on Alibaba Cloud - VPC isolation, VPC peering, routing, and private database access.
NEW QUESTION # 15
A pharmaceutical company runs protein folding experiments on-prem. The experiments are split into two parts:
* A simulation application that runs on Linux, and outputs data to an NFS share every minute.
* A visualization application that runs on Windows that converts data from the simulation into graphics.
This application requires an SMB file system.
To support these applications, the company maintains two synchronized file systems, which is prone to data duplication and contributes to inefficient data storage. Lately, they have been considering migrating their use case to Alibaba Cloud. However, they do not want to make any code changes to either application.
As a Cloud Architect, propose a solution for this case.
Answer: B
Explanation:
This is fundamentally a lift-and-shift filesystem workload. The applications already depend on standard operating-system file interfaces, and the requirement explicitly states that application code should not be changed. ECS therefore preserves the existing Linux and Windows execution environments, while File Storage NAS supplies managed shared filesystem semantics.
Alibaba Cloud NAS supports NFS and SMB protocols and is designed specifically for workloads migrating from traditional file servers. Alibaba documentation describes NAS as appropriate for lift-and-shift applications because existing applications can continue using standard filesystem calls, path structures, and file-locking behavior without rewriting file I/O logic.
For cross-operating-system sharing, Alibaba Cloud recommends SMB when Linux and Windows clients must access the same filesystem, and Linux ECS can mount SMB when cross-platform data sharing is required.
OSS would change the storage interface from filesystem semantics to object APIs, normally requiring application changes. Message Queue changes the application ' s data exchange architecture. ACK introduces unnecessary containerization complexity.
Therefore, Linux ECS + Windows ECS + managed NAS most closely preserves the existing application model while eliminating the operational problems associated with manually synchronized on-premises file systems.
Study Guide reference: Core Infrastructure Deep Dive - ECS migration, File Storage NAS, NFS/SMB, and lift-and-shift architecture.
NEW QUESTION # 16
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