一.Cloud IA
QUESTION 1
Which of the following HUAWEI CLOUD services is a SaaS layer service?
A. Elastic cloud server ECS
B. Cloud desktop service Workspace
C cloud monitoring service Cloud Eye
D Cloud Container Engine CCE
Correct Answer: C
QUESTION2
Which of the following constitutes Huawei's public cloud ecosystem?
A. HUAWEI CLOUD Academy B. Partners C. HUAWEI CLOUD market D. Developer Center
Correct Answer: ABCD
QUESTION3
In which of the following scenarios can an auto-scaling scaling group modify the availability zone and subnet of the scaling group?
A. The current number of instances is 0
B. The scaling group is disabled
C. Stretching activity in progress
D. The scaling group is enabled
Correct Answer: AB
QUESTION4
Which of the following services enables each instance in the scaling group to distribute application traffic?
A Elastic file service SFS
B Cloud monitoring service CloudEye
C elastic load sharing street ELB
D Elastic public IP
Correct Answer: C
QUESTION5
Which of the following cloud server resources can be automatically scaled up and down through auto scaling?
A.Bandwidth
B. Memory
C.CPU
D. Hard disk capacity
Correct Answer: A
Analysis: Auto scaling currently supports automatic scaling up and down of bandwidth resources, and supports automatic increase or decrease of the number of ECS instances in the scaling group
QUESTION6
When registering a private image through an image file, if the system disk capacity filled in is smaller than the system disk capacity inside the image file, the image creation will fail.
A.TRUE
B.FALSE
CorrectAnswer: A
QUESTION7
Which of the following commands can check the newly added data disk in the Linux system?
A.fdisk -l
B.mkfs -t
C.mkdir
D.partprobe
Correct Answer: A
Analysis: fdisk -l View the newly added data disk
mkfs -t format disk
mkdir creates a folder
partprobe for rereading partition tables
QUESTION8
What is the storage capacity unit of cloud hard disk?
A.PB
B.KB
C.GB
D.TB
Correct Answer: C
QUESTION9
Regarding cloud hard disk backup and cloud server backup, which of the following is correct?
A. Cloud disk backup is to protect the entire cloud server
B. The backup generated by the cloud server backup will also appear on the cloud hard disk backup interface
C. The backup objects of cloud server backup are all cloud disks in the ECS
D. The backup object of cloud disk backup is one or more specified cloud disks
Correct Answer: BCD
QUESTION1 0
By creating (), the system can automatically back up the cloud hard disk at the set time point.
A. Backup B. Label C. Backup Policy D. Share
Correct Answer: C
QUESTION1 1
In the cloud disk backup interface, you can delete the backup whose source is "cloud server backup".
A.TRUE
B.FALSE
CorrectAnswer: B
QUESTION1 2
A user with which of the following permissions can perform any operation on OBS resources?
A.Tenant Administrator
B.OBS Viewer
C.Tenant Guest
D.OBS Buckets Viewer
Correct Answer: A
Analysis: TenantAdministrator users with this permission can perform arbitrary operations on OBS object storage resources
Tenant Guest: Users with this permission can query the utilization of OBS object storage resources
OBS Buckets Viewer: Users with this permission can perform operations such as obtaining bucket lists, and querying bucket metadata and location information.
QUESTION1 3
When configuring bucket logging, which of the following statements about the storage location of log files is correct?
A. Can be stored in the current bucket or other buckets
B. Can only be stored in other barrels
C. Enable log management
D. Can only be stored in the current bucket
Correct Answer: A
QUESTION1 4
When adding a VPC to a file system, the default IP address 0.0.0.0/0 is automatically added, and the default read and write permissions are "read-only".
A.TRUE
B.FALSE
CorrectAnswer: B
QUESTION1 5
Which of the following descriptions about public cloud is wrong?
A. Public clouds are generally available through the Internet
B. A public cloud is a cloud built by an enterprise using its own infrastructure
C. The public cloud can have many tenants at the same time
D. Public cloud can realize resource optimization on a large scale
Correct Answer: B
QUESTION1 6
What applications and services does HUAWEI CLOUD App Store provide?
A developer tools
B Business software
C base software
D.Professional services
Correct Answer: ABCD
QUESTION1 7
What are the components of an ECS?
A. Memory
B.Mirroring
C.CPU
D. cloud hard disk
Correct Answer: ABCD
QUESTION1 8
What can you do when the vCPU and memory of the ECS you purchased are insufficient?
A mount disk
B switch operating system
C reinstall the operating system
D. Change specifications
CorrectAnswer: D
QUESTION1 9
You can install the operating system in the ECS by yourself and upgrade CemtOS7.2 to CentOS7.3.
A.TRUE
B.FALSE
Correct Answer: B
QUESTION2 0
In which of the following situations must the network delay between deployed ECSs be the shortest?
A. In the same security group
B. In the same VPC
C. In the same district
D. Within the same availability zone
CorrectAnswer: D
QUESTION2 1
After the Auto Scaling group is deleted, the ECS instances automatically created by Auto Scaling are also automatically deleted.
A.TRUE
B.FALSE
Correct Answer: A
QUESTION2 2
Regarding the elastic scaling service, which of the following statements is incorrect?
A. Auto scaling does not support viewing the status of instances in the scaling group.
B. Auto scaling supports health checks on the status of instances.
C. Auto scaling can automatically adjust the number of instances in the scaling group according to the set policy.
D. Auto scaling supports instance protection for specific instances in the scaling group.
Correct Answer: A
QUESTION2 4
Which of the following is correct about the constraints of the whole machine image?
A The whole machine image is not allowed to be exported.
B The full machine image cannot be shared with other tenants.
The C full machine image cannot be released as a market image.
D. The whole machine image only supports cross-region replication.
Correct Answer: ACD
QUESTION2 5
Which attributes can be modified for the created private image
A start method
B minimum memory
C. Maximum memory
D. Network card multi-queue
Correct Answer: BCD
QUESTION2 6
Cloud disks can be backed up and restored across regions.
A.TRUE
B.FALSE
CorrectAnswer: B
QUESTION2 7
Which of the following types of cloud disks can achieve a maximum throughput of 350MB/s?
A common I/O
B optimize I/O
C high IO
D Ultra high I/O
Correct Answer: D
Ordinary: 90M, high IO: 150M, super high IO: 350M
QUESTION2 8
If the disk data is lost, you can use the backup () created in advance to restore the data.
A. Create a new disk
b. delete
C. Restore the data to the original disk
D. Unmount the disk
Correct Answer: AC
QUESTION2 9
Which of the following operations can be performed on cloud disk backup policies?
A. Delete the backup policy
B. Edit backup policy
C. Bind or unbind the cloud disk for the backup policy
D. Immediately execute the backup strategy
Correct Answer: ABCD
QUESTION3 0
Which of the following data cannot be monitored on the Object Storage Service console?
A number of objects
B traffic statistics
C storage usage
D. Abnormal Statistics
Correct Answer: D
QUESTION3 1
OBS Browser is an object storage service client running on a Linux system.
A.TRUE
B.FALSE
CorrectAnswer: B
Analysis: OBS Browser is an object storage service client running on Windows and Mac systems, which is convenient for you to complete object storage management on your personal computer.
QUESTION3 2
Which of the following scenarios does object storage apply to?
A. Mass storage resource pool
B. Archiving
C. Big data storage
D. Static website hosting
Correct Answer: ABCD
QUESTION3 3
File systems can be mounted to cloud servers in different VPCs.
A.TRUE
B.FALSE
Correct Answer: B
QUESTION3 4
Which of the following commands can be executed to verify whether the file system domain name can be resolved to an IP address?
A.nslookup
B.scp
C.wget
D.ping
CorrectAnswer: A
QUESTION3 5
Which of the following actions will incur a charge?
A. Create a subnet
B. Create an EIP
C. Create a VPC
D. Create a security group
CorrectAnswer: B
QUESTION3 6
What are the ways to connect to the local data center (IDC)? (multiple choice)
A) virtual private network
B. Cloud Dedicated Line
C. Elastic load balancing
D. Elastic public IP
Correct Answer: ABD
QUESTION3 7
Regarding the description of the elastic public network IP, which of the following is wrong?
A. It can be flexibly bound and unbound with resources such as elastic cloud servers, virtual IPs, elastic load balancing, and NAT gateways.
B. EIP can be added to shared bandwidth to reduce bandwidth usage costs.
C. Elastic IP (ElasticIP) provides independent public IP resources, including public IP addresses and public network egress bandwidth services.
D. Only support billing on demand.
Correct Answer: D
QUESTION3 8
Which of the following parameters need to be configured for a VPC subnet?
A. Subnet segment
B. Routing table
C. Gateway
D.DNS server address
Correct Answer: ACD
QUESTION3 9
Which of the following types of certificates are available in Elastic Load Balancer?
A. Sub-certificate
B. Root certificate
C.CA certificate
D. Server certificate
Correct Answer: CD
QUESTION4 0
Which of the following cloud services can ELB be used with to ensure protection from external attacks and improve security and reliability?
A cloud monitoring
B Anti-DDos Pro
C. Cloud Audit
D. Elastic expansion
CorrectAnswer: B
QUESTION4 1
The elastic load balancing system supports three scheduling algorithms.
A.TRUE
B.FALSE
Correct Answer:B
analyze
QUESTION4 2
What can partners do with physical leased lines?
A. Unsubscribe the physical leased line for operation B. Renew the physical leased line for operation C. Modify the physical leased line for tenants D. Modify the physical leased line for operation
Correct Answer: ACD
QUESTION4 3
How many virtual gateways can a VPC create at most?
A.3
B.2
C.1
D.4
Correct Answer: C
QUESTION4 4
Which of the following correspondences do VPN gateways and remote gateways support?
A one to one
B one-to-many
C many to many
D. Many to one
Correct Answer: AB
QUESTION4 5
How many layers of attacks can the Anti-DDos traffic cleaning service resist?
A.2-4 layers
B.4 -7 layers
C.1-3 layers
D.3-5 floors
CorrectAnswer: B
QUESTION4 6
Which of the following container exceptions can the container security service monitor?
A high-risk system call
B Evasion vulnerability attack
C escape file access
D. Container abnormal process
Correct Answer: ABCD
QUESTION47
Which of the following cloud products is a data security type?
A Security Expert Service SES
B Container Security Service CGS
C data encryption service DEW
D Enterprise host security HSS
Correct Answer: C
QUESTION48
By modifying the IP or domain name that provides external services, the traffic is directed to the high-defense computer room, and all traffic is cleaned in the high-defense computer room, and then the cleaned business traffic is returned to ()
A high-defense computer room
B DNS service
C. User source site
D.Client
CorrectAnswer: C
QUESTION50
When configuring cloud monitoring parameters, which of the following notification methods are included in the alarm notification?
A.HTTPPOST
B.HITPSPOST
C.Emai1
D. SMS notification
Correct Answer: ABCD
QUESTION51
Which of the following is not a characteristic of relational database services?
A No need to purchase and install any software and hardware
B Reduce DBA skill requirements and costs
C You only need to pay the RDS rental fee
D Expensive DBA cost
CorrectAnswer: D
QUESTION5 2
When deleting a relational database instance, which of the following is reserved for users?
A. Automatic backup
B. Master instance
C. Manual backup
D. Read-only instance
Correct Answer: C (OK)
QUESTION5 3
Compared with RDS and self-built databases, which of the following is not an advantage of RDS?
A Elastic expansion
B convenient management
C. Out of the box
D. Users install the database independently
Correct Answer: D
QUESTION5 4
In the HUAWEI CLOUD EI artificial intelligence API, what is the application of content review?
A Text-based image search and content-based image search, image search by image
B Detect pornography, advertisements, tyranny, politics, etc. in images, texts, and videos
C. Convert the text in the image into an editable text format
D. Recognize tags such as objects and scenes in the image
Correct Answer: B
QUESTION5 5
Among the HUAWEI CLOUD EI artificial intelligence APIs, what are the vision APIs?
A image search
B image recognition
C face recognition
D. Content moderation
Correct Answer: ABCD
QUESTION5 6
Among the HUAWEI CLOUD EI services, which services have full-stack big data capabilities?
A. CDM cloud data migration service
B. CloudStream real-time stream computing service
C. DWS data warehouse service
D. MRSMapReduce service
Correct Answer: D (OK)
QUESTION5 7
Which SDK language does API Gateway not support?
A.c
B.Java
C.PHP
D.delphi
CorrectAnswer: D
QUESTION5 8
What advantages does the API gateway play for the realization of enterprise digital transformation?
A. Improve system performance
B. Guarantee the security of information assets
C. Accelerate business agility
D. Stimulate application innovation
Correct Answer: BCD
QUESTION5 9
Which of the following cloud server specifications is suitable for graphics rendering scenarios?
A.s3.large.2
B.d2.4xlarge.8
C.g1.2xlarge
D.m3.2xlarge.8
Correct Answer: C
QUESTION6 0
Which of the following represents a general-purpose computing-enhanced ECS?
A.m 3.large.8
B.c 3.large.2
C.s 3.large.2
D.s 3.small.1
Correct Answer: B
QUESTION6 1
Which operations are performed only when the ECS is shut down? (multiple choice)
A. Reset password
B. Create a mirror image
C. Change the security group
D. Migrate cloud server
Correct Answer: D Single choice D, multiple choice AD
QUESTION6 2
Which of the following methods can prevent a specified instance from being removed from the scaling group?
A. Modify the scaling strategy
B. Replace the telescopic configuration
C. Modify the scaling group and change the instance removal strategy
D. Enable instance protection
CorrectAnswer: D
QUESTION6 3
Encrypted images can be shared.
A.TRUE
B.FALSE
CorrectAnswer: B
QUESTION6 4
Which image sources can be selected when creating a whole machine image? (multiple choice)
A bare metal server
B cloud server backup
C. Mirror file
D. Cloud server
Correct Answer: BD
QUESTION6 5
What attributes can be modified for the created private image?
A network card multi-queue
B minimum memory
C boot method
D. Maximum memory
ABD
QUESTION6 6
Cloud disk backup cannot be used to create a new system disk.
A.T RUE
BF ALSE
CorrectAnswer: A
QUESTION67
The number of snapshots of a cloud disk will affect the performance of the cloud disk.
A.T RUE
BF ALSE
Correct Answer: A
QUESTION6 8
Regarding cloud hard disk backup, which of the following statements is incorrect?
A. When using the backup to restore the cloud hard drive, there is no need to shut down the cloud server
B. Cloud disk backup is based on snapshot technology and supports online backup
C. When backing up the cloud hard disk, there is no need to shut down the cloud server
D. Cloud disk backup supports full backup and incremental backup
CorrectAnswer: A
QUESTION6 9
When the system disk fails, you can create a new cloud hard disk through the backup of the system disk, and mount it to the cloud server as the system disk.
A.T RUE
BF ALSE
CorrectAnswer: B
QUESTION7 0
What usage methods does the object storage service support?
A. Admin Console
B.obscmd
C.OBS Browser
D.API&SDK