HCCDP
The evaluation of application cloud migration covers cloud services satisfaction and cloud migration risks.
True
False
During the survey, you need to collect as much information as possible. There is no need to focus on the pain points of the customer in terms of source services and resources.
True
False
Migrating an on-premises Oracle database to Huawei Cloud GaussDB is a Rehost migration.
True
False
Dependencies need to be considered during the migration group planning. Common dependencies include the shared data dependency, shared server dependency, and communicate dependency between applications.
True
False
Common migration solutions include one-off migration, batch migration, layered migration, and grayscale traffic migration.
True
False
The switchover drill solution should simulate the production switchover environment as much as possible. The drill runbook should be prepared based on the switchover runbook.
True
False
A NAT Gateway Source Network Address Translation (SNAT) rule allows Elastic Cloud Servers (ECSs) to share an Elastic IP (EIP) for secure Internet access.
True
False
After a Window server is migrated using Server Migration Service (SMS), you do not need to activate the target server because it has been activated.
True
False
If you use Server Migration Service (SMS) to migrate Linux servers, you do not need to install the Agent on these servers.
True
False
Object Storage Migration Service (OMS) is a free service and does not have any charging plan.
True
False
Data Replication Service (DRS) real-time synchronization tasks provide functions including mapping databases and tables, filtering table data, adding columns and timestamps, and editing running tasks.
True
False
If the specifications of the destination database cannot provide performance at least as good at the existing source database, you can reduce performance requirements on the destination database through architecture design. For example, you can use the database cache service.
True
False
Data Replication Service (DRS) can migrate both relational and non-relational databases.
True
False
When evaluating the source, you need to learn about the service model and database engine of the source database. Generally, online transaction processing (OLTP) database need to provide ACID properties. In the MYSQL ecosystem, InnoDB is mainly used.
True
False
Migrating components such as queues or caches may need network access to both the source and target nodes. Therefore, we need to properly plan the network settings and check whether public network exposure is required and complaint with relevant standards.
True
False
After a Cloud Container Engine (CCE) cluster is created, you can run kubectl command to configure it.
True
False
Which of the following is included in the evaluation of application cloud migration?
Cloud service satisfaction and cloud migration risks
Cloud Services
Cloud Service availability and cloud migration risks
Cloud Migration feasibility and difficulty
The most appropriate migration solution should be selected from a large number of available solutions based on requirements. Which of the following is not a method for migrating a MySQL database?
Use OMS to migrate data from the source database
Use SMS to migrate data from the source database server
Use DRS to migrate data from the source database
Use binlog to export data from the source database and transfer the data online
A customer wants to run workloads on Huawei Cloud, and hopes that servers can be added automatically and requests can be distributed automatically to multiple servers for load balance during peak hours. Which of the following can meet the customer's requirements?
NAT + AS
ELB + AS
EIP + AS
VPC + AS
Which of the following is a required output of the technical architecture design?
Functions of the customer's business
VPC security design
Database and table sharding
Website QPS and TPS
Which of the following switchover solutions has the lowest risk and investments?
Switchover with services interrupted
Switchover with writing interrupted but reading uninterrupted
Switchover with services uninterrupted
Switchover with reading interrupted but writing uninterrupted
Which of the following is incorrect about network deployment?
The destination network cannot overlap with the source network
Security group rules must be enabled to prevent the communication of unknown ports from being blocked and a deployment failure
The EIP of each NAT gateway must be unique so that the public and private networks can communicate
If the network is disconnected, check whether the routing table and security group are correctly configured.
Which of the following statements about Identity and Access Management(IAM) user groups is false?
You can use user groups to manage users with the same permission requirements and grant the same permissions to these users.
You can add domain users to user group for identity federation
You can change the permission of a user by changing the user groups that the user belongs to
You can add a user to multiple user groups
Which of the following needs to be configured for a dedicated load balancer to forward traffic to on-premises servers over a dedicated connection?
Access logging
IP as backend
Weighted round robin
Health check
Which of the following does Server Migration Service (SMS) not have any restrictions on?
Available memory space
OS type and version
Encryption status of file systems
File system format and size
Which of the following is false about the network requirements of Server Migration Service (SMS)?
The source servers can connect to Huawei Cloud.
The source servers can connect to the paired target servers
Ports 22, 8900, and 8899 must be allowed by the firewalls on the target servers
Elastic IPs (EIPs) must be configured for the target servers
Which of the following statements is false about Object Storage Service (OBS) and Elastic Volume Service (EVS)?
For an application that already has a file system, EVS can be used directly, but the application needs to be modified
Data on EVS disks is accessed via REST APIs, while data on OBS is accessed via operating system APIs
You need to preconfigure the EVS storage space and pay for the whole volume. To use OBS, you only pay for what you use.
EVS disks must be attached to Elastic Cloud Servers (ECSs) before you can use them. OBS has decoupled storage and compute and can work without relying on servers.
How many read replicas can be created for an RDS for MYSQL primary/standby DB instance?
2
3
5
20
Does Huawei Cloud RDS for PostgreSQL support automatic migration using a tool? What is the tool name?
Yes, Data Replication Service (DRS)
No, none
Yes, Relational Database Service (RDS)
Yes, Document Database Service (DDS)
Which of the following information is not a point of focus during the evaluation phase of a data migration?
The sharding design of the source database
The storage space and HA of the source database
The permission and costs of the source database
TPS/QPS requirements of the source database
Which of the following database migration solutions is the most complex?
Migrating a single server
Migrating multiple shards
Redistributing and migrating data after data aggregation
Migrating multiple database
Which of the following statements is false about Huawei Cloud Distributed Cache Service (DCS) for Redis?
There are more than 40 monitoring metrics, including for internal and external serivces and resource usage
Instances are available from 128 MB to 1 TB, can be set up by users themselves, and are provisioned within seconds.
Data persistence, backup, and restoration are not available
Hot standby is available. If the master node becomes faulty, the standby node takes over traffic within seconds.
Which of the following statements about cloud native is false?
Cloud native means designing services, not designing servers
Cloud native is all about containerizing applications
Serverless application development enables developers to focus on features
Containers help implement serve logic and reduce attentions and coupling to servers
Which of the following statements about Cloud Container Instance (CCI) is false?
CCI frees you from managing nodes and node OSs
Created workloads are charged by second
Kurbenetes-native APIs can be used to manage and schedule CCI services
Resources are scaled in or out by worker node.
What are the purposes of a kickoff meeting?
Organization alignment
Responsibility alignment
Business alignment
Objective alignment
Which of the following methods can be used to confirm the dependency of L1?
Database username analysis
Consumer 'information Analysis
Synchronization task information analysis
Configuration analysis
Which three of the following are contained in the migration wave planning?
Migration Group
Migration Wave
Priority
Importance
Which of the following statements are true bout migration risks and application policies?
If a public address needs to be replaced by an EIP on Huawei Cloud, the change must be filed in advance.
During the migration, the source disk is rad and the performance may be affected. Therefore, the migration should be performed during off-peak hours.
A public network or VPN dedicated to migration significantly improves network stability and migration speed.
One-of full synchronization and multiple incremental synchronizations ensure data consistency. Data writing at the source needs to be stopped before the last synchronization.
Which of the following factors need to be considered when determining whether the switchover solution is designed to interrupt services?
Whether there is a downtime window for maintenance
Whether there are off-peak hours
Whether there is a Service Level Agreement (SLA)
Whether the service reconstruction workload is acceptable
Which of the following are strategies of business system migration?
Migrating the application layer and then the data layer
Migrating the data layer and then the application layer
Migrating the application and data layers together
Migrating layers at random
A customer plans to run workloads in the CN South-Guangzhou and CN East-Shanghai regions and use Cloud Connect to connect the VPCs in the two regions. Which of the following statements are true about Cloud Connect?
Cloud Connect can connect VPCs in the different regions
Cloud Connect can connect VPCs of different accounts
The VPCs connected using Cloud Connect cannot have overlapping CIDR blocks
Cloud Connect can only connect VPCs of the same account
Which of the following statements are true about Server Migration Service(SMS)?
SMS cannot migrate local disks
SMS cannot migrate shared file systems
SMS cannot migrate protected folders and encrypted volumes
SMS cannot migrate applications bound to hardware
Which of the following image types are available on Huawei Cloud?
Public images
Marketplace images
Private images
Shared images
Which of the following are the use cases of Elastic Volume Service (EVS)?
Boot disks of Elastic Cloud Server (ECS) operating systems
Persistent data storage of databases
Workloads requiring super-high IOPS and super-low latency
Static data distribution
Which of the following services can be used to migrate application data from an on-premises data center or a third-party cloud vendor to Huawei Cloud?
Object Storage Migration Services (OMS)
Cloud Storage Gateway (CSG)
Data Express Service
Elastic Volume Service (EVS) snapshots
Which of the following statements are true about Relational Database Service(RDS)
RDS is essentially a resource management service that provides DB instances running different DB engines
RDS DB instances can be deployed in primary/standby mode for high availability.
RDS provides automated backups, so administrators do not have to back up data themselves.
RDS supports read replicas, enabling applications to transparently access read replica clusters and sharding settings
What are the core advantages of Distributed Database Middleware (DDM)?
SQL computing and transaction processing
Horizontal database scaling
Unlimited scaling of storage and compute resources
Single-node MySQL database experience
Which of the following statements are true about Relational Database Service(RDS) primary/standby DB instances?
If the primary DB instance fails, workloads can be switched over to the standby DB instance in seconds
The primary and standby DB instances can be deployed in the same AZ or different AZs
Primary/Standby DB instances automatically test switchovers, as part of a disaster recovery test, during a preset maintenance window.
Primary/Standby deployment increases costs, so it should not be configured arbitrarily
Which of the following are features of Distributed Cache Service (DCS)?
It signifi cantly accelerates access to frequently accessed data
It supports strong-consistency transactions
It greatly reduces the database load
It provides key-value data caches for application systems
Which of the following are included in cloud native application migration?
Compute: applications and images
Networking: container network, service, and ingress
Storage: StorageClass, PersistentVolumeClaim, and PersistentVolume
Host: OS and container support environment
The basic rule of a migration survey is to do the easy part first and then the difficult part.
True
False
The kickoff meeting is a key step before the delivery phase
True
False
Which of the following is not contained in the technical solution design?
Migration Path
Atomic Migration Solution
Switchover Solution
Survey of resource information
Reconstruct and migrate an on-premises Oracle database to GaussDB on the cloud. What is the Migration Strategy used?
Rehost
Repurchase
Replatform
Rearchitect
Migrate applications from servers on another cloud to Huawei Cloud ECSs. What is the Migration Strategy used?
Rehost
Repurchase
Replatform
Rearchitect
Migrates applications to the cloud and make a few adaptations. What Migration Strategy is used?
Rehost
Repurchase
Replatform
Rearchitect
Which of the following belong to the six factors of architecture design?
Security
Availability
Functionality
Cost
Which of the following need to be done in migration wave planning?
Migration Group Planning
Importance Planning
Selection of technical tools
Migration Wave Planning
What are the Factors affecting Migration Priority?
Allowed Downtime
Service Environment
Technical Support
Service Dependency
__ is the logical software and hardware capabilities that are required to support the deployment data, app services.
Data Architecture
Technology Architecture
Application Architecture
Business Architecture
__ is the blueprint of the enterprise that provides understanding of the organization, strategic & tactical demands
Data Architecture
Application Architecture
Technology Architecture
Business Architecture
__ is about the application used by a business organization to deliver the capabilities of that organization.
Data Architecture
Application Architecture
Technology Architecture
Business Architecture
__ is the description of the structure of the enterprise's major types and sources of logical, assets, physical data.
Data Architecture
Application Architecture
Technology Architecture
Business Architecture
__ is the output of a multi-subscription cloud environment that accounts for sec governance, networking and identity.
ID Management & Access
Landing Zone
Federated Identity Authentication
Directory
___ is a collection of applications and infrastructure that have dependencies including applications, hosts & storage
Migration Wave
Migration Group
Migration Planning
Migration Priority
If an ECS has been created and can be accessed, the OS has been successfully installed.
True
False
SMS supports popular public clouds and jointly-operated clouds
True
False
OMS can list & analyze objects in the source bucket. You need to specify the vendor and access credential of the source
True
False
After the production environment is migrated to the cloud, we can consider migrating the test environment to the cloud.
True
False
Implement the Migration Plan and verify the migration result. Which phase of Cloud Migration Framework does this belong?
Planning
Provisioning
Migration
Switching
Which of the following statements is incorrect about Elastic Volume Service backup?
EVS disks can be backed up while servers are running.
EVS disks can be backed up manually or automatically.
Backup data is stored on EVS disks.
Backup data can be restored to the source or new EVS disks.
__ is a service that helps users easily & smoothly migrate object storage data from other clouds to Huawei Cloud.
Data Replication Service (RDS)
Server Migration Service {SMS)
Object Storage Migration Service (OMS)
Online Migration of Distributed Cache Service (DCS)
Which of the following statements about Server Migration Service (SMS) is incorrect?
SMS ensures that source servers continue to run during the migration.
SMS supports full synchronization and incremental synchronization.
SMS requires that rsync be installed on Linux servers.
You are advised not to modify data on the target server.
Performing System cutover and Business Acceptance test. Which phase of Cloud Migration Framework does this belong?
Planning
Provisioning
Migration
Switching
Monitoring, Health Check, Deliverables handover and knowledge Transfer. Which phase of CMF does this belong?
Planning
Provisioning
Migration
Switching
Which of the following are true about the roles and their responsibilities in a switchover drill?
ITA produces, maintains, and updates the run book.
Which of the following can be used to migrate servers to Huawei Cloud?
Server Migration Service (SMS)
Generating images for these servers and importing the images to Huawei
Redeploying applications on servers in Huawei Cloud
Data Replication Service (DRS)
During migration using SMS, which of the following can be used for the communication between the source & target server?
Internet
VPC
Direct Connect
EIP
SMS Functions and Features are:
Migration Feasibility Checks
Incremental Synchronization
Online Migration
Automatic VM Creation
Overall Migration Process included:
Information Survey
Solution design
Migration Implementation
Migration drill
If the source redis does not allow rsync, Huawei Cloud DCS cannot migrate incremental data online?
True
False
You need to select appropriate migration time because data replication may impact source performance during migration.
True
False
Lmage-syncer is used to migrate container storage and supports both PV and PVC data migration.
True
False
You need to check whether the data on the destination end is consistent with the source end after database migration
True
False
Which information about the source database do we need to focus on during the data migration evaluation?
Its shards, storage space, and HA and TPS/QPS requirements
Its authorization and costs
Its CPUs and memory
Its NIC and bandwidth configurc1tion
Which of the following cloud native resource migration solutions is not feasible?
Deploy: docker pull/push/image-syncer is used to deploy containers on CCE
Which of the following is NOT a key data check item?
Data file size
Number of entries in a data table
MDS checksum value of a data file
Data file content
Which of the following statements is false about AOF migration in Redis?
AOF is a data file for Online Migration
Which of the following methods can be used if there is not enough available storage for a RDS instance?
Changing a DB instance
Reinstalling the OS
Changing the OS
Scaling up the storage space
Which of the following relational database services are provided by HUAWEI CLOUD?
RDS for PostgreSQL
Document Database Service
RDS for MySQL
Which of the following are unique aspects of cloud native application migration?
Compute: application image
Database: database data
Storage: StorageClass, PVC, and PV
Host: Support of OSS and containers
Which of the following solutions can be used to migrate Redis databases reliably
Migrating Redis hosts using Server Migration Service (SMS)
Data Replication Service (DRS)
Offline Migration using AOF files
Online migration using the PSYNC API
Which of the following database engines can be used as the source in data synchronization of DRS
MySQL
Kafka
MongoDB
Redis
Which services can be used to migrate application data from an on-prem DC or a third-party cloud vendor to Huawei Cloud?
Data Replication Service (RDS)
Cloud Backup and Recovery (CBR)
Data Express Service (DES)
RDS Snapshot
System dependecies are latent and directly determine whether subsystem migration can succeed. Therefore, the system dependency survey is particularly important.
True
False
To hold a successful project kickoff meeting, you should make good preparations, communicate with the attendees in advance remain calm, and be ready for unexpected changes.
True
False
Considering the unique characteristics of the application architecture migration, the six factors in architecture design do not need to be factored into the target architecture design.
True
False
A switchover solution with services interrupted is recommended for customers due to the high investment required of Huawei.
True
False
Business scenario tests include the function test, performance test, reliability test, networking solution test, security solution test, DR solution test and O&M solution test.
True
False
Resource Formation Service (RFS) is a service specifically designed for automatically deploying containerized applications.
True
False
After an Elastic Cloud Server (ECS) is created, you need to install the operating system for the ECS.
True
False
Data Express Service (DES) provides Teleport devices to migrate data. Teleport's built-in encryption capability prevents any data leakage caused by device loss.
True
False
When you evaluate the source, you need to collect key monitoring information about the source MySQL database, such as the CPU usage, memory usage, average IOPS, and disk usage. Based on this information, you can evaluate the resource of the destination.
True
False
Customers' Oracle database can be migrated to the Oracle engine of the Huawei Cloud Relational Database Service (RDS).
True
False
When you evaluate the source, you need to survey the backup mode, backup period and backup frequency of the source, which provides information used for configuring the backup policy of the destination.
True
False
The performance baselines of general-purpose and dedicated Relational Database Service (RDS) DB instances are different even if they have the same MySQL engine version.
True
False
Caching components and producer/consumer queues does not usually require data migration.
True
False
The practice and application of cloud native technologies (such as containers and service meshes) in the Internet industry are still in the evaluation and test phase.
True
False
Compared with servers, which of the following are characteristics of containers?
Smaller resource segments for higher server utilization
Fast startup in seconds, or even shorter
Development, management, and maintenance for images
Consistent environment, or environment-agnostic
Which of the following statements are true about Relational Database Service (RDS)?
RDS supports automated backups
RDS supports manual backups.
Manual backup can be used to restore data to any point in time, but automated backups cannot.
Backups are stored in Object Storage Service (OBS), achieving high data reliability.
Which of the following statements are true about Relational Database Service (RDS) primary/standby DB instances?
If the primary DB instance fails, workloads can be switched over to the standby DB instance in seconds.
The primary and standby DB instances can be deployed in the same AZ or different AZs.
Primary/Standby DB instances automatically test switchovers, as part of a disaster recovery test, during a preset maintenance window.
Primary/standby deployment increases costs, so it should not be configured arbitrarily
Which of the following items are the outputs of the destination database evaluation?
Performance specifications of Relational Database Service (RDS) DB instances
Number of shards of a single RDS DB instance
RDS DB instance deployment mode
Number of RD DBS instances
Which of the following statements about data storage security are true?
Elastic Volume Service (EVS) support disk encryption, and Data Encryption Workshop (DEW) manages encryption
Object Storage Service (OBS) supports object encryption, and DEW manages encryption keys.
Local disks support disk encryption and DEW manages encryption keys.
OBS supports HTTPS-based encryption for the data in transit.
Which of the following methods can be used to obtain Huawei Cloud resources such as Elastic Cloud Servers (ECSs)?
You can make a phone call to customer service or send a service ticket describing your desired configurations to Huawei Cloud. You can obtain resources after your request is approved.
You need to visit a Huawei cloud data center, sign a contract with Huawei Cloud, and select a stack. You can obtain resources within one working day after sealing a deal with Huawei Cloud.
You can obtain resources within minutes after clicking Buy ECS on the Huawei Cloud console and making some configurations.
You can use the Huawei Cloud CLI tool or write code to call Huawei cloud APIs to obtain resources.
Which of the following are application for ELB?
Distributing traffic for heavy-loading applications
Work with Auto Scaling to distribute traffic for applications with peaks and troughs
Eliminating single points of failure (SPOFs)
Cross-AZ load balancing for active-active applications
Which of the following actions needs to be performed in the preparation of a switchover drill?
Prepare the runbook
Prepare test cases
Prepare the drill environment
Prepare the drill review meeting
Which of the following are tested in the destination environment?
Basic functions
Performance
Reliability
Business Integration
Which of the following are common switchover solutions?
Switchover with services interrupted
Switchover with writing interrupted but reading uninterrupted
Switchover with services uninterrupted
Switchover with reading interrupted but writing uninterrupted
Which of the following statements are true about Relational Database Service (RDS)
RDS is essentially a resource management service that provides DB instances running different DB engines
RDS DB instances can be deployed in primary/standby mode for high availability.
RDS provides automated backups, so administrators do not have to back up data themselves.
RDS supports read replicas, enabling applications to transparently access read replica clusters and sharding settings
Which of the following are the use cases of Elastic Volume Service (EVS)?
Boot disks of Elastic Cloud Server (ECS) operating systems
Workloads requiring super-high IOPS and super-low latency
Persistent data storage of databases
Static data distribution
Which of the following statements are true about Server Migration Service (SMS)?
SMS cannot migrate local disks
SMS cannot migrate shared file systems
SMS cannot migrate protected folders and encrypted volumes
SMS cannot migrate applications bound to hardware
Which of the following factors need to be considered when determining whether the switchover solution is designed to interrupt services?
Whether there is a downtime window for maintenance
Whether there are off-peak hours
Whether there is a Service Level Agreement (SLA)
Whether the service reconstruction workload is acceptable
Which of the following scenarios is sensitive to the cloud native auto scaling architecture?
ERP system
Internet of Vehicles (IoV)
Office Automation (OA) System
Transportation path planning
Which of the following statements is false about database selection?
Generally, unstructured data is stored in Object Storage Service (OBS) or Elastic Volume Service (EVS).
Relational databases are mainly used to store structured data, especially data that is complete and has complex relationships.
Non-relational databases mainly store semi-structured data, especially data with frequent structural changes and high access traffic.
GaussDB can be used to store all types of data structures.
Which of the following environments is recommended for a single-node Document Database Service (DDS) instances?
An R&D test environment
Small service systems that require 24/7 high availability
Medium and large production systems that require high scalability and 24/7 availability
Which of the following statements is false about an Elastic Cloud Server (ECS) with the c6.2xlarge.4 flavor?
This is a general computing-plus ECS and is suitable for high-performance, high-stability computing.
The specifications, performance, and price of this ECS are about half of those of a c6.4xlarge,4 ECS.
This ECS has two vCPUs
There is 4 GiB of memory for each vCPU
Which of the following statements about pay-per-use Elastic Cloud Servers (ECSs) is false?
Pay-per-use ECSs are cheaper than ECSs purchased using other billing modes.
The billing cycle of pay-per-use ECSs is flexible and can be precise down to the second
After a pay-per-use ECS is stopped, its associated resources may still be retained and continue to be billed
Pay-per-use ECS can be used to handle dynamic workloads.
Which of the following switchover solutions has the lowest risk and investments?
Switchover with services interrupted
Switchover with writing interrupted but reading uninterrupted
Switchover with services uninterrupted
Switchover with reading interrupted but writing uninterrupted
The deployment and test phase contains the following actions: 1. Import test data. 2. Test data migration. 3. Enable resources. 4. Deploy services. 5. Test service functions. 6. Test the performance and reliability. Which of the following is the correct sequence of the above actions?
341256
341526
314526
312456
A migration technical solution needs to be designed for a customer that has nearly 10 inventory MYSQL databases in their data center and approximately 100 TB of historical data. Which of the following migrations paths is recommended to achieve a balance of performance, cost, and security?
Internet
Internet VPN
Private line
DES
Resource Formation Service (RFS) is a service specifically designed for automatically deploying containerized applications.
True
False
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