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Best QualityH13-821_V3.0-ENU Exam Questions Huawei Test To Gain Brilliante Result
NEW QUESTION # 131
After configuring the peer-to-peer connection, the cloud operation and maintenance engineer of a company found that the two VPCs still cannot be accessed normally.
Which of the following possible reasons are correct? (Multiple choice)
- A. A VPN has been configured for the VPC, and its network access has a higher priority than peer-to-peer connections.
- B. The route of the peer-to-peer connection overlaps with the destination address of the leased line and VPN route
- C. Network parameter configuration error
- D. The ECS does not support the peer-to-peer connection function by default, and it needs to be manually enabled to take effect
Answer: A,B,C
NEW QUESTION # 132
Threat Detection Service MTD is a security service product provided by HUAWEI CLOUD, which can warn of malicious activities and unauthorized behaviors in a timely manner.
Which of the following statements about the function of MTD is wrong?
- A. MTD monitoring supports multiple cloud service log monitoring, including enterprise host security HSS, cloud analysis service DNS, web application firewall WAF, etc.
- B. The threat detection service counts the detected alarm results through the severity level of the alarm. There are five levels in total, fatal, high-risk, medium-risk, low-risk, prompt
- C. Support custom upload and add intelligence/whitelist to OBS bucket, and asynchronously synchronize to the threat detection service. After uploading, the detection service will give priority to associating the IP and domain name in the detection list library
- D. The alarm results detected by MTD store the data of the last 30 days by default. In order to meet the compliance requirements of the insurance, the MTD alarm results can be transferred to 0BS to achieve longer data storage
Answer: A
NEW QUESTION # 133
Document database service DDS is fully compatible with the Redis protocol, providing secure, highly available, highly reliable, elastically scalable, and easy-to-use database services, as well as functions such as one-click deployment, elastic expansion, disaster recovery, backup, recovery, monitoring, and alarming.
- A. False
- B. True
Answer: B
NEW QUESTION # 134
The disk mode of the cloud hard disk service EVS can be divided into SCSI type and () type according to whether it supports advanced SCSI commands.
Answer:
Explanation:
VBD
NEW QUESTION # 135
Which of the following descriptions about the disaster recovery solution in two places and three centers is correct? (Multiple choice)
- A. When an AZ of the production site fails, the business system switches to another AZ, and the database master and backup switch
- B. Configurations, logs, snapshots, and backups generated by production and disaster recovery centers are replicated across regions through VBS
- C. When the entire production site fails, switch the active and standby status of the database, and then modify the DNS authorization to 0% for the production site and 100% for the disaster recovery site
- D. Deploy RDS database instances in the production and disaster recovery centers respectively, and the databases are 1:1:1 master-slave replication
- E. The business can be shared between the two regions through DNS, and the disaster recovery center only shares the business when a disaster occurs
Answer: A,C,D,E
NEW QUESTION # 136
Huawei Cloud host migration service SMS has the characteristics of smooth migration, efficient transmission, good compatibility, and high security. Regarding the compatibility of SMS, which of the following hosts does SMS support to migrate to Huawei Cloud? (Multiple choice)
- A. Local x86 physical machine
- B. Cloud hosting on AWS
- C. Virtual machines on local private cloud
- D. Local VMware virtual machine
Answer: A,B,C,D
NEW QUESTION # 137
Compared with cloud database RDS, Huawei's self-developed database GaussDB has many advantages over cloud database RDS in terms of system architecture and other aspects. Which of the following descriptions related to GaussDB is wrong?
- A. All update operations are only logged, and Double write is no longer required. Reduced valuable network bandwidth
- B. There is only one copy of storage, no need to purchase additional storage. If there are more read-only nodes, the storage cost will be saved more
- C. With multiple storages, when the access volume is large, the read and write performance of the database will be significantly improved
- D. There is no longer a standby database, and all read-only databases are in the Active state. And bear the read traffic, making resource utilization higher
Answer: C
NEW QUESTION # 138
Compared with object storage service OBS and elastic file service SFS, block storage service EVS mainly uses?
- A. CIFS
- B. HTTP
- C. SCSI
- D. NFS
Answer: C
NEW QUESTION # 139
A company's financial system uses an Oracle database to store business-related data. Now when it wants to migrate the system data to the Huawei cloud database CaussDB (for openGauss), it should use the DRS tool to complete the data migration.
- A. False
- B. True
Answer: B
NEW QUESTION # 140
By using the API gateway, the company can reduce the R&D investment of the enterprise, focus on the core business of the enterprise, and improve operational efficiency. At the same time, it can also help users improve their monetization service capabilities.
Which of the following descriptions about API gateways is wrong?
- A. Simplify the service architecture, quickly complete the decoupling of the internal system of the enterprise and the separation of the front and back ends through standardized and standardized API interfaces
- B. The API gateway adopts synchronous flow control method and does not support asynchronous flow control method, so as to realize refined second-level flow control
- C. Through the API gateway, the internal service capabilities of the enterprise can be opened to partners in the form of standard APIs
- D. It can be seamlessly connected with the function workflow service, and supports the open use of the function workflow service in the form of API
Answer: B
NEW QUESTION # 141
High-performance computing, big data and other services provide excellent computing performance and data security.
Among the following features about bare metal servers, which ones are safe and reliable? (Multiple choice)
- A. Based on accelerated hardware, cloud disks can be quickly provisioned as system disks
- B. Support heterogeneous computing and AI applications
- C. Support the docking of dedicated storage to meet the business security and reliability demands of enterprise data security and supervision
- D. Architecture-based bare metal servers support cloud disks as system disks and data disks, and support hard disk backup and recovery capabilities
Answer: C,D
NEW QUESTION # 142
The four deployment models of mainstream cloud computing are: public cloud, community cloud, private cloud and ().
Answer:
Explanation:
hybrid cloud
NEW QUESTION # 143
With the continuous evolution of IT architecture, business cloudification is a major trend, and at the same time, business cloudification has also brought changes to operation and maintenance. In HUAWEI CLOUD, HUAWEI CLOUD is responsible for part of the operation and maintenance work, and part needs to be operated and maintained by customers themselves.
In the HUAWEI CLOUD PaaS environment, customers are required to be responsible for the content of business operation and maintenance. What are the main items? (Multiple choice)
- A. Operating system
- B. Middleware
- C. Applications
- D. Business data
Answer: A,B,C
NEW QUESTION # 144
A user needs to collect logs from the elastic cloud server ECS through the cloud log service TS. Which of the following description of the LTS service is wrong?
- A. Log groups can be created in the log stream to facilitate further classification and management of logs
- B. CAgent needs to be installed for the ECS host
- C. You can set the log storage time by creating a log stream
- D. The log data beyond the storage time will be automatically deleted, and the log data that needs to be stored for a long time can be dumped to the object storage OBS
Answer: A
NEW QUESTION # 145
HUAWEI CLOUD provides exclusive load balancing services and shared load balancing services.
In the description of the respective advantages of the dedicated load balancing service and the shared load balancing service, which one is wrong?
- A. Exclusive load balancing: supports IPv6 dual-stack, flexible deployment in multiple availability zones
- B. Shared load balancing: users share cluster resources, clusters support super performance, and only charge instance-related fees
- C. Exclusive load balancing: exclusive resources, high performance guarantee
- D. Exclusive load balancing: multiple specifications, super performance support, select on demand
Answer: B
NEW QUESTION # 146
Which of the following descriptions about EVS is correct? (Multiple choice)
- A. When the user wants to expand the capacity of the cloud hard disk, the business needs to be interrupted first
- B. Users can expand cloud hard disk capacity at any time without interrupting business
- C. A safe encryption method can be used to encrypt data on the user's cloud hard disk, snapshot and backup
- D. The shared cloud disk supports mounting to multiple Regicn cloud servers
Answer: B,C
NEW QUESTION # 147
Which of the following descriptions about cloud database RDS is wrong?
- A. The stand-alone instance contains only one node, which is cost-effective and suitable for micro-sites and personal learning scenarios
- B. The primary and standby instances of the active and standby instances share the same IP address, so they need to be deployed in the same AZ
- C. The cluster version instance supports the master 1 backup 5 read-only cluster mode, which has higher availability, reliability and scalability
- D. Cloud database for RDS supports stand-alone, active/standby, and cluster deployments
Answer: B
NEW QUESTION # 148
When an attacker uses multiple compromised computers on the network as attack machines to launch a DDoS attack on a specific target, it is called a distributed denial-of-service attack (DDoS).
Which of the following options are common DDoS attacks? (Multiple choice)
- A. Data Link Layer Attacks
- B. Transport Layer Attacks
- C. Presentation Layer Attacks
- D. Network Layer Attacks
Answer: A,B,D
NEW QUESTION # 149
An Internet company has purchased the load balancing service ELB and is going to configure Layer 7 port forwarding rules.
Combined with business characteristics, which of the following types of ELB specifications are correct? (Multiple choice)
- A. Network type (UDP)
- B. Application type (HTTPS)
- C. Network type (TCP)
- D. Application type (HTTP)
Answer: B,D
NEW QUESTION # 150
On HUAWEI CLOUD, when users use AOM to collect container and virtual machine logs in their cloud services, they do not need to configure the log collection path first.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 151
As a distributed large-scale resource scheduling system at the bottom of the cloud, Huawei Cloud Smart Cloud Brain includes the following core subsystems: data collection and docking subsystem, data storage and service subsystem, data analysis and modeling subsystem, and resource pool Operation Subsystem, Business Innovation Subsystem
- A. False
- B. True
Answer: A
NEW QUESTION # 152
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