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H13-831_V.20
HCIE-Cloud Service Solutions Architect (Written) V2.0 Questions and Answers

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Viewing questions 71-80 out of questions

Questions # 71:

Which of the following is the basic unit of the knowledge graph KG? Multiple selection

Options:

Entity

direction (Direction)

relation (Relationship)

network (Network)

Answer

B, D

Questions # 72:

Cloud Data Migration CDM is an efficient, easy-to-use bulk data migration service. Which of the following security capabilities does the service provide to protect user data?

Options:

Instance isolation: Users of theCDM service can only use the instance created by themselves, and the instance is isolated from each other and cannot be accessed by each other

B. No intermediate storage: During the data migration process, CDM only handles data mapping and transformation, and does not store any user data or fragments

C. System hardening: The operating system of the CDM instance has special security hardening, and the attacker cannot access the CDM from the Internet

The operating system of the instance

D. Key encryption: Users create keys for various data sources entered by connections on CDM, and CDM uses strong encryption to store them in the CDM database

Answer

A, B, C, D

Questions # 73:

Which of the following are pain points in game analytics?

Options:

Computing resources are idle, and resources are wasted

Access is complex and joint query of multiple data sources is difficult

Through data analysis, game placement can be guided and product experience can be improved

D. Different roles in different departments are only allowed to see data with corresponding permissions

Answer

A, B, D

Questions # 74:

Which of the following items causes performance bottlenecks for services in high concurrency scenarios? Multiple selection

Options:

The traffic of the actual request is too large, resulting in insufficient system resources

The database responds to sudden requests, and a large number of read and write operations are instantaneous, resulting in insufficient database resources

Insufficient network bandwidth leads to traffic congestion

The database duplicate requests are too large to establish a new connection request E. The business logic cannot meet the requirements of high concurrency

Answer

A, B, C, D

Questions # 75:

What value can be gaming companies bring to the company by containerizing services compared with traditional physical machine or virtualization deployment? (#Multi-Select) Multiple Selection

Options:

The container helps the game department to quickly upgrade and iterate, improve the efficiency of deployment efficiency and upgrade

Reduce resource operation and maintenance costs, without the need for operation and maintenance personnel

Implement online upgrade of the new container image version to achieve 1 upgrade for users

Elastic scaling in seconds, quickly respond to changes in game business

Answer

A, C, D

Questions # 76:

Game latency is one of the main constraints to the development of cloud gaming Among them, the operation network transmission delay and video network backhaul delay account for the highest proportion of end-to-end delay. Judgment

Options:

True

False

Answer

Questions # 77:

A customer uses URL authentication to prevent the theft of customer services and requests URL:http: //www. test.com/Filenamey- When efeabcdefaac7d15edfc6ec8aeffee2cb CDN server receives the request, which of the following checks will be performed? Multi-select

Options:

Referer check: The referer field value carried by the request URL is empty, The CDN node returned an HTTP 403 error

Encryption string verification, after the time verification is passeD. the f string is constructed in sstring mode. Then, use the md5 algorithm to calculate the HashValue and compare it with the md5hash brought by the user request. If the result is consistent, the authentication is passed and the file is returneD. otherwise the authentication failure will return an HTTP 403 error

Authentication parameters: whether to carry authentication parameters. If you do not carry authentication parameters, the request is considered invalid and an HTTP403 error is returned

Time verification: determine whether the current time of the system is within the interval. Beyond this interval, the expiration is considered invalid and HTTP 403 is returned Will Wu

Answer

B, C, D

Questions # 78:

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:

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

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

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

Questions # 79:

A company's security policy requires that the business architecture be deployed in a layered architecture, and the application sets the security group rules as follows: access layer users are accessed through Web and protected by security group sg1; The application layer, accessed from the RESTFU through HTTPS from access lAPI, protected by security group sg2; The data layer, accessed from the application layer through port 1433

sQLServer database, protected by security group sg3; Which of the following security group rules will allow the application to be secure and functional? Multiple selection

Options:

sg3: Port 1433 in sg2 is allowed

sgl: Allow ports 80 and 443

for 0.0.0.0/0, SG2: Allow port 443 from SG1

Sg2: Allow port 1433 E from sg1, sgl: Allow port 1433 from sg3 Port 1433 Answer: ABC

Answer

Questions # 80:

When you use DRS to migrate an Oracle database from an offline data center to HUAWEI CLOUD RDS, you can select which of the following destinations you can use Database engine for RDS?( Many)