HCIA Mock Flashcards
Estudiar para la certificacion HCIA - Services
Which of the following statements about log groups in Log Tan Service (LTS) is incorrect?
A. Log group is the basic unit for reading and writing logs.
B. Log groups can be user-created, or created by other cloud services.
C. You can create log streams in a log group and set log retention duration for a log group.
D. Log group is the basic unit for LTS to manage logs.
A. Log group is the basic unit for reading and writing logs.
Which of the following statements is incorrect about HUAWEI CLOUD scalable file service (SFS)?
A. SFS file systems are NAS file storage.
B. SFS stores files, and sorts and displays data in the hierarchy of files and folders.
C. SFS supports data sharing.
D. SFS file systems cannot be used independently, and they must be mounted to cloud servers for use.
D. SFS file systems cannot be used independently, and they must be mounted to cloud servers for use.
Which of the following scenarios Elastic Volume Service (EVS) is not suitable for?
A. High performance computing
B. Development and testing
C. Massive video and image storage
D. Data warehouse
C. Massive video and image storage
Trace files of cloud Trace Service (CTS) can be transferred to object Storage Service (OBS) buckets for cloud resource security analysis and troubleshooting in the future. Which of the following OBS storage classes is suitable for storing trace files?
A. Infrequent Access
B. Archive
C. Standard
D. High I/O
C. Standard
The cloud service purchased by a user contains only the running environment of applications. Which of the following modes does this scenario use?
A. IaaS
B. PaaS
C. SaaS
D. NaaS
B. PaaS (Platform as a Service)
Which of the following is not typical application scenarios of Auto scaling (AS)?
A. Interactive forums
B. Live streaming websites
C. E-commerce platforms
D. Image processing
D. Image Processing
Which of the following is not major functions of Cloud Trace Service (CTS)?
A. Trace recording
B. Trace query
C. Trace transfer
D. OS monitoring
D. OS Monitoring
What is the basis on which HUAWEI CLOUD regions are divided?
A. Geographical location and network latency
B. Cluster server
C. AZ
D. POD
A. Geographical location and network latency
Cloud computing is a computing model that dynamically provides scalable and virtualized resources as services over the internet. which of the following statements about cloud computing is incorrect?
A. Cloud computing is a model rather than a piece of technology.
B. Users can use cloud computing resources anytime, anywhere as long as the network is reachable.
C. With cloud computing, users can use resources such as networks, servers, storage devices, applications, and services.
D. Cloud computing resources can be quickly provisioned and released, which reflects the on-demand self-service feature.
D. Cloud computing resources can be quickly provisioned and released, which reflects the on-demand self-service feature.
A user wants to change a service running on an Elastic Cloud Servers (ECS). This change requires the operating system (OS) of the ECS to be changed. Which of the following statements is incorrect about the OS change?
A. After a system disk is replaced, the ECS IP address will change.
B. After a system disk is replaced, the snapshot data on the existing system disk will be lost.
C. You can choose a private or public image during the OS change.
D. If an ECS contains data disks and the OS is changed from Windows to Linux, you need to install the software that can recognize NTFS because Linux cannot do this by default.
A. After a system disk is replaced, the ECS IP address will change.
On the same host, VM A can ping through VM B but VM B cannot ping through VM A. Which of the following may be cause?
A. Incorrect IP address of VM A
B. Incorrect NIC type of VM B
C. Incorrect firewall configuration on VM A
D. Incorrect gateway configuration on VM B
C. Incorrect firewall configuration on VM A
How do you multiple object versions on HUAWEI CLOUD Object storage Service (OBS)?
A. Enable versioning
B. Configure lifecycle rules
C. Change the storage classes
D. Enable logging
A. Enable versioning
Which of the following virtualization features can ensure that other VMs on the physical host are not affected, even if a VM on the physical host is faulty?
A. Partition
B. Isolation
C. Encapsulation
D. Independence
B. Isolation
Which of the following key performance metrics is not monitored for Relational Database Service (RDS) DB instances and DB engines?
A. Network bandwidth
B. QPS
C. TPS
D. Database connections
A. Network Bandwidth
Which of the following is not a main function of HUAWEI CLOUD Web Application Firewall (WAF)?
A. Web tamper protection
B. Defense against brute- force attacks on Elastic Cloud Servers (ECSs)
C. Anti-crawler protection
D. Information leakage prevention
B. Defense against brute- force attacks on Elastic Cloud Servers (ECSs)
Which of the following Elastic Volume Service (EVS) Disk types is not by Elastic Cloud Servers (ECSs)?
A. Common I/O
B. High I/O
C. Ultra-high I/O
D. Local I/O
D. Local I/O
If VM tools is not installed on an Elastic Clod Server (ECS), which pair of the following ECS metrics can be monitored by Cloud Eye?
A. Memory Usage and Disk Usage
B. Inband Incoming Rate and Inband Outgoing Rate
C. Outband Incoming Rate and Outband Outgoing Rate
D. Availability and Connectivity
C. Outband incoming Rate and Outband Outgoing Rate
Which of the following Auto Scaling (AS) policies can be used to implement dynamic resource scaling?
A. Scheduled
B. Periodic
C. Alarm
D. Random
C. Alarm
Which of the following is not required by Virtual Private Cloud (VPC) for network isolation?
A. Hardware firewall
B. Software firewall
C. Switch
D. Elastic IP (EIP)
D. Elastic (EIP)
IAM users created by an administrator do not have default permissions. Which of the following statements about permissions is incorrect?
A. To assign permissions to new users, add them to one or more groups, then attach permissions policies or roles to these groups. The users inherit permissions from their groups.
B. IAM users can perform operations on cloud services as specified by the assigned permissions.
C. Permissions are classified into roles and policies based on granularity.
D. FullAccess permissions provide read-only access to all services except IAM.
D. FullAccess permissions provide read-only access to all services except IAM
Which of the following statements about CCE are correct?
A. You can create a Kubernetes cluster by one click on the console.
B. CCE uses the bare metal NUMA architecture and high-speed InfiniBand NICs.
C. Compatible with Kubernetes APIs and Kubectl.
D. The cluster control plane supports HA of three masters.
A. You can create a Kubernetes cluster by one click on the console
B. CCE uses the bare metal NUMA architecture and high-speed InfiniBand NICs
C. Compatible With Kubernetes and Kubectl
D. The cluster control plane supports HA of three master.
What are the scenarios where OBject storage service (OBS) is used?
A. Massive storage resource pool
B. Static website hosting
C. Big Data Storage
D. Archive Storage
A. Massive storage resource pool
B. Static website hosting
C. Big Data Storage
D. Archive Storage
Which of the following statements are correct about the advantages of auto scaling (AS)?
A. It scales resources dynamically.
B. It improves fault tolerance.
C. It enhances system security.
D. It simplifies service operations.
A. It scales resources dynamically
B. It improves fault tolerance
C. It enhances system security
On HUAWEI CLOUD, what are possible reasons a file system may fail to be mounted?
A. The file system capacity is too large.
B. The file system has been deleted.
C. The shared path in the mount command is incorrect.
D. The DNS server used to access the file system is incorrect.
B. The file system has been deleted
C. The shared path in the mount command is incorrect
D.The DNS server used to access the file system is incorrect
Which of the following can enable communications between an on-premises data center and a Virtual Private Cloud (VPC) on HUAWEI CLOUD?
A. VPC peering connection
B. Direct Connect
C. Elastic IP (EIP)
D. Virtual Private Network (VPN)
B. Direct Connect
D. Virtual Private Network
(VPN)
Which of the following statements are correct about a public NAT gateway?
A. Each Virtual Private Cloud (VPC) can be associated with just one NAT gateways.
B. Multiple rules of a NAT gateway can share the same EIP.
C. To conserve resources, a source network address translation (SNAT) rule and a destination network address translation (DNAT) rule can share the same EIP.
D. Multiple SNAT rules can be configured for each subnet in a VPC.
B. Multiple rules of a NAT gateway can share the same EIP
C. To conserve resources network address translation (SNAT) rule and a destination network address translation (DNAT) rule can share the same EIP
Which of the following are recommended security measures when you use Identity and Access Management (IAM)?
A. Set a strong password policy on the IAM console.
B. Set a password validity period and periodically change your credentials.
C. Enable identity verification by virtual multi-factor authentication (MFA) device.
D. Share your HUAWEI CLOUD account with others to allow them to access your resources, and then change your password immediately.
A. Set a strong password policy on the IAM console
B. Set a password validity period and periodically change your credentials
C. Enable identity verification by virtual multi-factor authentication (MFA) device.
Which of the following statements are incorrect about Elastic Volume Service (EVS) backup?
A. EVS disks can be backed up while servers are stopping.
B. EVS disks can be backed up manually or automatically.
C. Backup data is stored on EVS disks.
D. Backup data can be restored to the source or new EVS disks.
A. EVS disks can be backed up while servers are stopping
C. Backup data is stored on EVS disks
Which of the following are advantages of NAS compared with SAN?
A. NAS has an independent file system.
B. NAS supports multiple protocols and operating systems.
C. NAS optimizes data block transmission.
D. NAS optimizes file sharing.
A. NAS has an independent file system
B. NAS supports multiple protocols and operating systems
D. NAS optimizes file sharing
Which of the following can establish network connectivity between a (VPC) and an external network?
A. Elastic IP (EIP)
B. NAT网
C. VPN
D. ELB
A. Elastic IP
B. NAT
C. VPN
Each region of HUAWEI CLOUD correspond to a project by default. A project is preset by the system and used to isolate resources between physical areas. Which of the following statements are correct about these projects?
A. Sub-projects can be created within a project, increasing the accuracy of resource permission control.
B. Resources in a project can be transferred.
C. Projects can be created across regions.
D. The region’s default project name cannot be changed.
A. Sub-projects can be created within a project, increasing the accuracy of resources permission control
D. The region’s default project name cannot be changed
Which of the following statements about Content Delivery Network (CDN) are incorrect?
A. CDN is an intelligent virtual network built on the Internet.
B. By deploying node servers across the network, origin server content can be distributed to specific CDN nodes, enabling subscribers to obtain the highest-quality content.
C. CDN can improve the efficiency of cloud servers such as Elastic Cloud Servers (ECSs), but not response speed or website availability.
D. CDN solves problems such as low bandwidth, traffic spikes, and uneven node distribution.
B. By deploying node servers across the network, origin server content can be distributed to specific CDN nodes, enabling subscribers to obtain the highest-quality content.
C. CDN can improve the efficiency of cloud servers such as Elastic Cloud Servers (ECS’s), but not response speed or website availability.
Which of the following services can be monitored by Cloud Eye?
A. Virtual Private Cloud (VPC)
B. Elastic Cloud Server (ECS)
C. Auto Scaling (AS)
D. Elastic Load Balance (ELB)
A. VPC
B. ECS
C. AS
D. ELB
Which of the following statements about cloud resource pooling are incorrect?
A. Cloud resource pooling can shield small-scale location differences between resources of the same type.
B. Cloud resource pooling allows CPUs and disks to exist in the same resource pool.
C. Cloud resource pooling is the prerequisite for broad network access.
D. Cloud resource pooling is the prerequisite for virtualization technology.
B. Cloud resource pooling allows CPUs and Disks to exist in the same resource pool.
C. Cloud resource pooling is the prerequisite for broad network access.
D. Cloud resource pooling is the prerequisite for virtualization technology
Which of the following are included in the HUAWEI CLOUD security service system?
A. Network security
B. Application security
C. Data security
D. Computing security and security management
A. Network security
B. Application security
C. Data security
D. Computing security and security management
Network bridges. Network bridges are responsible for route learning and packet forwarding.
True
False
False
To remotely connect to a Windows ECS using RDP, port 3389 must be enabled in the inbound direction of the security group.
True
False
True
Auto Scaling (AS) supports only alarm-based and scheduled bandwidth scaling policies.
True
False
False
HUAWEI CLOUD Elastic Cloud Servers (ECS’s) can be migrated across accounts and regions.
True
False
False
Elastic Load Balancer (ELB) automatically distributed incoming traffic across multiple backend servers to balance their load. It enables higher levels of security and expands capabilities of applications.
True
False
False
Users can request a VPC peering connection with a VPC of another account, the peer account must accept the request to activate the connection
True
False
True
HUAWEI CLOUD Content Delivery Network (CDN) accelerates intranet and Internet Resources.
True
False
False
Request are distributed to 10 Elastic cloud Servers (ECS’s) through Elastic Load Balancer (ELB). Each ECS processes 600 requests. If the customer uses the Auto Scaling (AS) service to add 10 more ECS’s in the backend server group and there are still 6000 requests, each ECS needs to process 600 requests
True
False
False
On HUAWEI CLOUD, you can scale your capacity manually or automatically (using preset policies). You can scale in or out servers, or scale up or down a single server.
True
False
True
As the IP SAN has an independent file system. the application server can read and write files after accessing the IP SAN through the network sharing protocol
True
False
False
Elastic Cloud Servers (ECS’s) with different OS’s can not be associated with the same load balancer.
True
False
False
On HUAWEI CLOUD, a Scalable File Service (SFS) file system can be mounted to multiple cloud servers for use.
True
False
True
Users can configure security group rules to disable communications between two Elastic Cloud Servers (ECSs) in the same Virtual Private Cloud (VPC).
True
False
True
Cloud Trace Service (CTS) is a paid service. It charges for tracker creation, trace tracking, and storage and search of traces within seven days.
True
False
False
Log data on HUAWEI CLOUD is either automatically deleted upon expiration or manually deleted by administrators.
True
False
False
Relational Database Service (RDS) provides database backups. It automatically backs up data and uploads it to EVS disks every day.
True
False
False
HUAWEI CLOUD SFS Turbo allows access from on-premises IDCs through Direct Connect, VPN, and Cloud Connect.
True
False
False
HUAWEI CLOUD Object Storage Service (OBS) has no limitations on storage capacity or the number of objects that can be stored.
True
False
True
On Huawei Cloud ，after an Elastic Cloud Server (ECS) is created, its flavor can be changed.
True
False
True
Logs can be used for operation and maintenance of networks, servers, and services throughout their lifecycles.
True
False
False
Document Database Service (DDS) provides three deployment modes: cluster, replica set, and ().
single node
()(network technology) can divide different network segments into different broadcast domains so that hosts on the same network segment can communicate with each other while those on different network segments cannot communicate with each other. (Enter the abbreviation)
vlan
HUAWEI CLOUD Object Storage Service (OBS) stores all data in buckets. If the policy of a bucket is set to (), other users have only read access for objects in the bucket.
public read
An enterprise has built a large-scale data center that spans multiple countries and cities. To achieve digital transformation, improve data center resource utilization, separate computing from data, share capabilities, shorten service rollout time, and enhance disaster tolerance capabilities, the enterprise decides to perform cloud-based reconstruction. In this case, the enterprise should preferentially select the () deployment mode.
hybrid cloud
() records operations on Elastic Cloud Server (ECS), Object Storage Service (OBS), and Scalable File Service (SFS) for future query, auditing, and backtracking. (Fill in the abbreviation of a HUAWEI CLOUD service.)
cts
