If an ECS instance needs to be accessed by other applications from internet, a corresponding "port" must be enabled For example, HTTP applications work on port 80, while FTP applications work on port 21 If an administrator configures network security policies for this ECS instance, which of the following policies is the safest?
If you install Alibaba Cloud Security Center client on a non-Alibaba Cloud server, which of the following statements allows you to check the server-related reports on the Security Center?
If you activate Alibaba Cloud Security Center on an ECS Linux instance and change the default SSH port (22) to another port, you will no longer receive SMS or email notification related to brute force password cracking
When users log on to ECS instances through SSH or remote desktop from public Internet, Alibaba Cloud Security Center will monitor the log on behaviors
If an IP address uses incorrect password to log on to an ECS instance for too many times, an alert "ECS instance suffers brute force password cracking" will be prompted If you receive this alert, which of the following is the safest way to handle this alert?
To improve system security and protect the system from DDoS attacks, you can use Alibaba Cloud Anti-DDoS Premium Service. Which of the following products can be used together with Alibaba Cloud Anti-DDoS Service to improve the system access capabilities? (Number of correct answers 3)
Border Gateway Protocol (BGP) is mainly used for interconnection between autonomous systems (AS) on the Internet It. Controlling route transmission and selecting the best route Alibaba Cloud uses a BGP multi-line access mechanism for all its IDCs in China. Which of the followings are advantages of a BGP multi-line IDC? (Number of correct answers 2)
What are some of the products that support integration with Alibaba Cloud's SSL Certificates Service (Number of correct answers: 3)
When a Layer-4 forwarding rule is configured with multiple origin site IP addresses, Alibaba Cloud Anti-ODoS Premium Service will perform load balancing for Layer-4 requests using balancing algorithm
Alibaba Cloud Security Center Agent is installed in ECS instances by default, no need to install it manually Users can detach Security Center Agent at any time they desire.
You want to buy an SSL certificate using Alibaba Cloud's SSL Certificates Service and deploy it in front of an Alibaba Cloud resource (such as Elastic Compute Service) What is the coned sequence of steps to follow?
Your applications are deployed on Alibaba Cloud ECS instances. You want to collect indicators by yourself for application layer monitoring. Which of the following functions provided by Alibaba Cloud CloudMonitor can be used for indicator collection, aggregation, and alerting?
Content Moderation Service is an API-based service Like many API services, it employs throttling to make sure that the service cannot be overwhelmed by a large number of simultaneous requests. What is the maximum number of requests per minute you can make against the Content Moderation API?
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