Question 1

If CTS is enabled and the resource ID of the physical host where the ECS resides is obtained. if you need to determine the user who created an ECS, you can go to the Audit Service console and filter the event sources ECS", in the list of listed ECS events, look for the () event, and find the corresponding resource ID events, expand Event Details. Fill in the blank:

Options :

A : creat e server

Answer: A

Question 2

The biggest contribution of MapReduce is to realize automatic algorithm parallelization and large-scale distributed computing through a simple interface, which of the following scenarios is it suitable for?

Options :

A : Massive data search

B : Real-time retrieval

C : Web Access Log Analysis

D : Word frequency analysis

Answer: A,C,D

Question 3

The following description of BMS for bare metal services, what are the errors? Multiple selection

Options :

A :

Suitable for online live broadcast of media companies and internal ketone awards of a small and medium-sized enterprise

B : BMS is a bare metal server Therefore, you cannot install the Agent plug-in for service monitoring

C : Supports mounting shared disks and SCSI cloud hard disks

D :

Although it is a physical server resource, it does not support out-of-band management, and HUAWEI CLOUD manages bare metal server resources

Answer: A,B,D

Question 4

A social platform business has strong volatility and cannot be predicted in advance. When hot events occur, the service pressure increases sharply, and more ECS is required to ensure high service performance. But when running smoothly and without hot events, the pressure is relatively low and not requiring as much ECS. Which of the following scenarios can help reduce costs for this business? Multiple selection

Options :

A :

Purchase an on-demand ECS instance and manually scale out during peak service hours, delete the redundant instances

B : and use AutoScali. The periodic policy of the nG service is scaled regularly to cope with service peaks

C :

Purchasing Reserved Instances (on-demand packages) can save fees when creating and deleting ECS instances (compared to the subscription cycle).

D :

Use the alarm policy of AutoSc a ling service to scale out the capacity horizontally when a high ECS load is detected: Detected When the ECS load is low, it can be scaled down to save costs

Answer: C,D

Question 5

A game company recently released a new online game product, which was warmly welcomed by users after its launch. However, recently, it is often the case that the service connection is not connected. the server CPU is heavily occupied. and the bandwidth usage rate has increased suddenly. Which of the following is the most likely cause of this happening? Single selection

Options :

A : Game bugs

B : Caused by DDoS attack

C : Caused by server hardware failure

D : Network access policy misconfiguration leads to

Answer: B

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