QUESTION: 97

When adopting cloud computing and taking advantage of its convenience, you will also face challenges in information security.

Using cloud computing does not increase security risks, but your active engagement is still a must.
Which of the following is not included in the security principles recommended by Alibaba Cloud?

Users have the same security management responsibility
Users should keep the same data attribution
Users have the same security management standards
Users should keep the same O&M methods

Answer(s): D

Explanation:

In cloud environments, Alibaba Cloud emphasizes that security responsibilities, data ownership (data attribution), and security standards remain with the user. However, O&M (Operations and Maintenance) methods often change due to the distinct management tools, automated processes, and distributed nature of cloud infrastructure. Cloud environments typically use different O&M approaches, so option D is not aligned with Alibaba Cloud's security principles.

Reference:

Alibaba Cloud Security Best Practices

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QUESTION: 98

ECS provides several benefits, such as Elastic Computing. In ECS, Elastic Computing includes features like ___________________. (Choose four.)

Starting or releasing hundreds of ECS instances in several minutes
Supporting uninterrupted online bandwidth upgrading
Supporting upgrading the CPU and memory specifications of ECS instances
Supporting horizontal elastic scaling of applications in conjunction with SLB
Supporting attaching an unlimited number of disks to ECS instances for disk capacity expansion

Answer(s): A,B,C,D

Explanation:

Elastic Computing on Alibaba Cloud ECS includes features that allow users to quickly start or release multiple instances, upgrade bandwidth without downtime, adjust CPU and memory configurations, and perform horizontal scaling in conjunction with Server Load Balancer (SLB). However, option E is incorrect as there is a limit to the number of disks that can be attached to an ECS instance.

Reference:

Alibaba Cloud ECS Elastic Computing

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QUESTION: 99

After creating Alibaba Cloud Elastic Compute Service (ECS) instances, Alibaba Cloud will provide free basic security services to help defend against attacks, including ________________. (Choose four.)

Unexpected remote login
Key management service
DDoS attacks
Brute-force password cracking
Sensitive information leakage

Answer(s): A,C,D,E

Explanation:

Alibaba Cloud provides basic security services for ECS instances, which include protection against unexpected remote logins, DDoS attacks, brute-force password cracking, and alerts for potential sensitive information leakage. Key management services (KMS) are available but are not part of the free security services for ECS.

Reference:

Alibaba Cloud ECS Security Services

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QUESTION: 100

An enterprise built an isolated network environment by using Alibaba Cloud VPC and connected this VPC to a traditional data center via VPN. This allows the enterprise to seamlessly migrate data from its traditional data center to Alibaba Cloud.

Now they need to receive user requests from the Internet and assign these requests to multiple ECS instances inside the VPC by using SLB. Which of the following statements are correct? (Choose two.)

They can create an SLB instance in the VPC, and mount ECS instances within the VPC to this SLB instance. Then, use a jump server to receive external requests and direct these requests to SLB to forward them to backend ECS instances.
They can create an SLB instance with an Internet IP address, and mount ECS instances within the VPC to this SLB instance. The public SLB will be used to receive external requests. As a result, requests from the Internet will be transferred to backend ECS instances within the VPC.
They can create an SLB instance in the VPC, and mount ECS instances within the VPC to this SLB instance. Then, bind an EIP to the SLB, so that this SLB instance can receive requests from the Internet and assign these requests to the backend ECS instances.
They can create an SLB instance with an Internet IP address, and mount ECS instances within the VPC and servers of the traditional data center to this SLB instance. The public SLB will be used to receive external requests. As a result, requests from the Internet will be transferred to backend ECS instances within the VPC and servers of the traditional data center.

Answer(s): B,C

Explanation:

To enable Internet access for ECS instances in a VPC, Alibaba Cloud users can use a public SLB with an Internet IP address (Option B) or an SLB with an Elastic IP (EIP) attached (Option C). Both methods allow the SLB instance to receive external requests and forward them to ECS instances within the VPC. Option A is incorrect because it would require a more complex setup without direct Internet access. Option D is incorrect as SLB does not support directly mounting servers from an on-premises data center.

Reference:

Alibaba Cloud SLB and VPC Integration

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