Which of the following parameters will not affect the cost calculation of the bare metal server BMS?
- A . Memory capacity
- B . Disk size
- C . CPU Specifications
- D . Number of network cards
Which of the following descriptions of content delivery network (CDN) services is wrong?
- A . CDN services must be resolved through public domain names, so you need to apply for a domain name before you can use CDN normally.
- B . CDN service can shorten the access delay of users to view content, improve the response speed of users accessing websites and the availability of websites.
- C . CDN service distributes the source site content to all CDN nodes by deploying node servers in various locations on the network, so that users can get the required content nearby.
- D . CDN service has the characteristics of simple access, rich and easy-to-use self-service configuration of the console, and open API interface.
Which of the following descriptions about the intelligent line resolution provided by Huawei Cloud is wrong?
- A . Intelligent line resolution function supports distinguishing the source and type of visitor IP by operator
- B . Intelligent line resolution function supports distinguishing the source and type of visitor IP by region
- C . Both public domain names and intranet domain names support the use of intelligent line resolution function
- D . Only public domain names support the use of intelligent line resolution function
Which of the following is not a management operation of the Elastic Load Balancing service ELB?
- A . Query elastic load balancing
- B . Enable elastic load balancing
- C . Delete elastic load balancing
- D . Listen to elastic load balancing
When purchasing services on the Huawei Cloud platform, billing issues are often involved. Huawei Cloud’s billing models generally include on-demand billing, monthly/annual package, and competitive bidding. Which of the following descriptions of the billing model is correct?
- A . Pay-as-you-go is a post-payment model that charges based on the actual duration or amount of service used.
- B . Monthly/annual packages are post-paid models and are charged based on a fixed purchase cycle.
- C . Monthly/annual packages are suitable for scenarios where service resources can be activated or deleted at any time.
- D . Bidding is a prepaid model. Compared with on-demand billing, it can be charged according to actual usage time with a lower discount.
Which of the following descriptions about Huawei Cloud peer connection is wrong?
- A . Peering connections can be used to achieve intranet communication between different VPCs
- B . When configuring a peer connection, you need to configure routing information on the local VPC and the peer VPC.
- C . The prerequisite for creating a peer connection is that the local and remote subnets are the same.
- D . Peer-to-peer connections can be used across accounts
Which of the following services can be used by the elastic cloud server on Huawei Cloud to build a logically completely isolated network area?
- A . Elastic Scaling Service AS
- B . Virtual Private Cloud Service VPC
- C . Load Balancing Service ELB
- D . NAT Gateway Service
Which user with the following permissions can perform any operation on OBS resources?
- A . Tenant Administrator
- B . OBS Viewer
- C . Tenant Guest
- D . OBS Buckets Viewer
Which of the following descriptions about Elastic Cloud Server (ECS) is wrong?
- A . Provides multiple types of elastic cloud servers to meet different usage scenarios. Each type of elastic cloud server includes multiple specifications and supports specification changes.
- B . Supports purchasing cloud servers in annual/monthly, on-demand, and competitive bidding modes to meet different application scenarios
- C . Automatically adjust elastic computing resources according to business needs and strategies to efficiently match business requirements
- D . Based on the Dynaudio architecture, cloud servers have no virtualization overhead and performance loss, and 100% of computing resources are released
Engineer A deployed the Nginx service through containers and virtual machines respectively. Which of the following descriptions about the comparison between containers and virtual machines in this scenario is wrong?
- A . Containers are highly portable and easy to deploy
- B . Containers start faster than virtual machines
- C . Containers provide better isolation than virtual machines
- D . Containers are lighter than virtual machines
Which of the following descriptions about the relationship between bare metal servers and other services is wrong?
- A . You can mount a cloud disk to a bare metal server and expand the capacity of the cloud disk at any time.
- B . You can create a bare metal server through mirroring to improve the deployment efficiency of bare metal servers
- C . After applying for a bare metal server, install the Agent plug-in and complete the relevant configuration, and then you can view the monitoring data of the bare metal server in the cloud monitoring service
- D . You can customize the scaling configuration and scaling strategy to scale the bare metal server, saving resources and manpower operation and maintenance costs
A company’s video website is deployed on Huawei Cloud. It purchased a public network domain name resolution service to provide services. During use, it was found that users who accessed the website through operator B complained that the website access speed was slow, while the speed of accessing the website through operators A and C was normal. Which of the following methods is the most effective to solve this problem?
- A . Create an intranet domain name to ensure faster access between cloud hosts
- B . Expand the bandwidth of existing IP to ensure sufficient bandwidth resources
- C . Add a new public network line of operator B and configure intelligent line resolution on Huawei Cloud
- D . Create reverse resolution to improve the reputation of the domain name
Which of the following is not one of the main functions of Web Application Firewall (WAF)?
- A . Prevent sensitive information leakage
- B . Website Anti-Crawler
- C . Web page tamper-proofing
- D . Brute force attack protection for elastic cloud servers
Which of the following descriptions about VPN gateway is wrong?
- A . VPN gateway can be used to establish secure and reliable encrypted communication between the virtual private cloud and the enterprise data center or other regional VPCs.
- B . The VPN gateway needs to correspond to the user’s local gateway.
- C . VPN gateway is the entry gateway device established in the virtual private cloud.
- D . Each VPN gateway can correspond to multiple VPN connections.
Which of the following is not a specification type of Huawei Cloud Elastic Cloud Server ECS?
- A . Customized performance type
- B . Memory Optimized
- C . High Performance Computing
- D . High Performance Computing
An enterprise uses Huawei Cloud Elastic Cloud Server to carry business. Due to obvious peaks and troughs in business access, engineers hope to change the number of business instances in real time according to business conditions to ensure high resource utilization and low cost. The front end uses Huawei Cloud Elastic Load Balancing Service to implement front-end traffic forwarding. In order to improve the provisioning speed and ensure business reliability, which of the following operations is not recommended?
- A . Create a mirror image of the server that has installed your own software to facilitate subsequent distribution
- B . Use the elastic scaling service to create a scaling group based on the instance image and formulate a scaling strategy based on the business traffic
- C . Make a backup of the server that has installed your own software, and manually use the backup to create a new server to cope with peak traffic
- D . Add the servers in the elastic scaling group to the anti-affinity cloud server group to ensure business reliability
Which of the following descriptions about Huawei Cloud SFS capacity-based and SFS Turbo file storage types is wrong?
- A . At the same price, SFS capacity type has a larger capacity than SFS Turbo
- B . SFS capacity type has higher latency than SFS Turbo
- C . For the same capacity, SFS capacity type costs more than SFS Turbo
- D . SFS capacity type has higher bandwidth than SFS Turbo standard type
Which of the following descriptions about elastic scaling services is wrong?
- A . Auto-scaling supports health checks on instance status
- B . Auto-scaling can automatically adjust the number of instances in a scaling group according to the set policy
- C . Auto-scaling supports instance protection for specific instances in a scaling group
- D . Auto Scaling does not support viewing the instance status in a scaling group
Which of the following descriptions about Huawei Cloud is wrong?
- A . Huawei Cloud is divided into Huawei Cloud China and Huawei Cloud International
- B . A Huawei Cloud account can only log in to Huawei Cloud, and cannot log in to other Huawei services
- C . After the real-name authentication is completed, the relevant information cannot be changed
- D . Real-name authentication is divided into individual customer real-name authentication and corporate customer real-name authentication
In order for a user to remotely connect to an ECS running the Linux operating system via SSH, which of the following ports should be opened in the security group inbound direction?
- A . 53
- B . 80
- C . 22
- D . 3389
Which of the following descriptions about the role of VLAN is wrong?
- A . Increase the interface bandwidth of the physical switch
- B . Enhance network security
- C . Improve the robustness of the network
- D . Isolate broadcast domains
When configuring the Elastic Load Balancing (ELB) service in Huawei Cloud, the allocation strategy used is the weighted round-robin algorithm. There are 2 ECSs in the backend server group, of which ECS-1 has a weight of 2 and ECS-2 has a weight of 1. There are currently 6 user requests forwarded to the backend server group. How many requests do ECS-1 and ECS-2 need to process respectively?
- A . ECS-1 processes 4, ECS-2 processes 2
- B . ECS-1 processed 6, ECS-2 processed 0
- C . ECS-1 processes 3, ECS-2 processes 3
- D . ECS-1 processes 2, ECS-2 processes 4
SFS can manage file system permissions through IAM. Which of the following is not a capacity-based policy type for SFS?
- A . SFS Administrator
- B . SFS WriteOnlyAccess
- C . SFS ReadOnlyAccess
- D . SFS FullAccess
Cloud computing can convert similar resources into resource pools and decompose resources into the smallest units. Which feature of cloud computing does this reflect?
- A . On-demand self-service
- B . Measurable services
- C . Resource pooling
- D . Extensive Internet access
Which of the following is not a storage category provided by Huawei Cloud Object Storage Service OBS?
- A . Archive Storage
- B . Low-frequency access storage
- C . Backup storage
- D . Standard storage
When e-commerce platforms encounter large-scale promotional activities such as "Double 11", "Double 12", and "618", the number of business visits increases rapidly in a short period of time, and only lasts for a few days or even hours. In this case, which two services do we usually use to save IT costs to the maximum extent while meeting business needs?
- A . Enable ELB and EIP services
- B . Enable ENAT and ELB services
- C . Enable CDN and AS services
- D . Enable ELB and AS services
Which of the following is not an advantage of NAS compared to SAN?
- A . NAS supports multiple protocols and operating systems
- B . Optimized for block data transfer
- C . NAS has an independent file system
- D . Optimized for file sharing
While using the object storage service, Huawei Cloud tenants can configure which of the following functions to receive notifications of object deletion?
- A . Lifecycle rules
- B . Anti-hotlinking
- C . Event Notification
- D . Static website hosting
A user uses Huawei Cloud Elastic Cloud Server to build a business website. The backend uses Huawei Cloud relational database to store business data. When the database is configured correctly, it is found that the business website cannot communicate with the database. Which of the following possible scenarios is wrong?
- A . The ECS and the relational database are in two different VPCs, and peer connections are not configured, so they cannot communicate normally.
- B . The password of the elastic cloud server is different from the password of the relational database, so normal communication is not possible.
- C . The relational database port configured for the business website in the elastic cloud server is wrong and communication cannot be normal
- D . The elastic cloud server and relational database are in two different security groups. The security group does not open the connection port, so normal communication is not possible.
A user has activated the Cloud Audit Service on Huawei Cloud, but has not configured the correct OBS bucket dump policy. What will happen?
- A . Management event tracking is automatically deleted
- B . Unable to extend the audit data storage period
- C . The cloud audit service will not be able to audit resources
- D . No impact, cloud audit and OBS can work together normally
A user needs to apply for an ECS in Huawei Cloud to build WordPress. Which of the following commands for building WordPress in the Centos operating system is correct?
- A . Install Nginx: wget http://nginx.org/XXOXXX.rpm
- B . Unzip the wordpress package: chmod -R777 wordpress
- C . Set Nginx to start at boot: systemctl enable nginx
- D . Start Nginx: service nginx reload
If two VPCs in the same region need to communicate, which of the following methods is the most economical?
- A . Purchase an elastic public IP
- B . Apply for cloud dedicated line
- C . Create SNAT rules
- D . Create a peer connection
Which of the following application scenarios is not suitable for data storage in cloud hard disks?
- A . Data warehouse
- B . Development and testing
- C . High Performance Computing
- D . Storage of massive video and image files
Which of the following is not a typical application scenario of the elastic scaling service AS?
- A . Interactive Forum
- B . Live video streaming sites
- C . E-commerce platform
- D . Image processing
Which of the following descriptions about purchasing and deleting Huawei Cloud bare metal servers is wrong?
- A . Huawei Cloud Bare Metal Servers do not support on-demand purchases
- B . Huawei Cloud Bare Metal Server charges include hard disk and elastic public IP fees
- C . After purchasing the HUAWEI CLOUD Bare Metal service, you can only release resources by canceling the subscription
- D . Huawei Cloud Bare Metal Server supports changing the operating system, and the price difference between different operating systems will be automatically deducted
If a user wants to regularly back up the data on the cloud hard disk mounted on the cloud server, which method is the most efficient?
- A . Set up a cloud disk automatic backup policy and make it effective on the cloud disk that needs to be backed up
- B . Set the cloud disk automatic mirroring strategy and make it effective on the cloud disk that needs to be backed up
- C . Ask the operation and maintenance personnel to regularly create images
- D . Ask the operation and maintenance personnel to take snapshots regularly
Which of the following cloud services supports dynamic adjustment of the number of cloud hosts through policies?
- A . IMS
- B . SG
- C . VPN
- D . AS
Which of the following scenarios is not applicable to Huawei Cloud Enterprise Cloud Center Solution?
- A . Business Management
- B . Corporate listing
- C . Start-up
- D . Migrate to the cloud
Which of the following descriptions of the application scenarios of the cloud monitoring service CES is wrong?
- A . Monitor basic indicators such as CPU usage, memory usage, disk IO, etc. of ECS or BMS
- B . Support log analysis and log visualization
- C . Send an alarm message when the monitoring data reaches the alarm threshold according to the alarm rules created by the user
- D . Detectable site response time, packet loss rate, etc.
A tenant rents a virtual machine from a cloud service provider for daily use and returns the virtual machine to the cloud service provider after use. This reflects which key feature of cloud services?
- A . Extensive network access
- B . Rapid elastic scaling
- C . Location-independent resource pool
- D . Pay-per-use
In which of the following states can a cloud disk backup be created?
- A . Available
- B . Deleting
- C . Deletion failed
- D . Creating
Which of the following scenarios is Huawei Cloud Log Service not applicable to?
- A . Quickly locate network faults
- B . Rationally optimize business performance
- C . Log collection and analysis
- D . Data access analysis
Elastic IP provides independent public IP resources, including public IP addresses and public network egress bandwidth services. Which of the following descriptions about EIP is wrong?
- A . An elastic public network IP can only be bound to one cloud resource at a time.
- B . Elastic public IP can be used across regions
- C . Line types include: full dynamic BGP line, preferred BGP line, static BGP line
- D . Can be managed through the management console or API
GaussDB is based on the Shared-Nothing architecture. Which of the following statements about the advantages of this architecture is wrong?
- A . Data is fully shared between nodes
- B . Adding nodes to achieve performance expansion
- C . Parallel processing mechanism, easy to expand
- D . Internal processing automation and parallelization
Huawei Cloud covers multiple PaaS development production lines. Which production line can help enterprises quickly build data operation capabilities and achieve integrated batch, stream, and interactive data governance?
- A . NetaStudio
- B . DataArts Studio
- C . CodeArts
- D . ModelArts
In cloud computing, which of the following is a computing resource?
- A . OSD
- B . GPU
- C . SSD
- D . NIC
Which of the following is not a main function of Huawei Cloud Database Security Service?
- A . Discovery and desensitization of sensitive data
- B . Anti-crawler
- C . Database Firewall
- D . Database Audit
Which of the following descriptions about public cloud virtual private networks (VPNs) is wrong?
- A . Fast deployment, real-time effect, no need to configure VPN devices on user DC to complete the connection between local data center and cloud services
- B . The user’s local DC can be interconnected with the VPC on the cloud, and the business can be quickly expanded to the cloud to achieve hybrid cloud deployment
- C . Encrypts the transmitted data based on IKE and IPsec mechanisms, providing a high reliability mechanism
- D . Use the Internet to build an IPsec encrypted channel, which is cheaper than cloud dedicated line services.
Which of the following descriptions about content delivery network CDN is wrong?
- A . Improved the response speed and availability of websites for users
- B . CDN is a layer of intelligent virtual network built on the existing Internet
- C . It solves the problems of large user traffic and uneven distribution of network points, but at the same time increases the load on network bandwidth
- D . Deploy node servers throughout the network to distribute the source site content to all CDN nodes
Which of the following options is the smallest unit for Kubernetes creation, management, and scheduling?
- A . Pod
- B . Process
- C . Virtual Machine
- D . Container