Huawei H19-321_V2.0 Practice Exams
Last updated on Oct 22,2026- Exam Code: H19-321_V2.0
- Exam Name: HCSA-Presales-Service V2.0
- Certification Provider: Huawei
- Latest update: Oct 22,2026
Which of the following belongs to WDM network evaluation and optimization? (Multiple choice)
- A . WDM performance quality optimization
- B . WDM site type transformation
- C . WDM network design
- D . WDM network topology change
- E . WDM network protection optimization
- F . WDM board specification replacement optimization
Which of the following options have potential data migration service requirements? (Multiple choice)
- A . The original storage device has the risk of data loss
- B . Existing storage capacity is almost exhausted
- C . Resource usage of some systems exceeds their estimated value
- D . Storage performance needs to be improved
What are the requirements and challenges of UC&C migration and optimization services? (Multiple choice)
- A . Carrying key services
- B . Wide distribution of sites
- C . Low resource utilization
- D . Multiple technology integration, full-service experts are scarce
What are the precautions for selling hard disk media retention services? (Multiple choice)
- A . The equipment must be within the warranty period and the warranty must include on-site service.
- B . Purchase unit is all hard disks of a complete set of equipment
- C . Generally based on annual sales
- D . You can purchase media retention service for a single hard disk under the host
- E . Unlimited
“Maintenance”: also refers to “customer support services”, which are professional support services provided to assist corporate customers in ensuring the safe operation of the network, improving customer operation and maintenance efficiency and reducing customer operation and maintenance costs.
- A . True
- B . False
Silver+ maintenance service for all products includes 2 equipment health checks (i.e. patrol inspections) services.
- A . True
- B . False
An e-commerce customer purchased Huawei maintenance services for its IT network. During the "Double Eleven" period, the customer launched an online promotion. The IT network faced the risk of major business impact, and Huawei was required to provide free maintenance support.
- A . True
- B . False
Which of the following is not usually included in the performance evaluation of wavelength division networks?
- A . Single-wavelength optical power & flatness
- B . OSNR
- C . Combined optical power
- D . Monitoring signal optical power
- E . Dispersion & FE
- F . BER
Which of the following belongs to SDH network optimization? (Multiple choice)
- A . Network topology changes
- B . Business channel optimization
- C . ECC subnet optimization
- D . Network clock synchronization optimization
- E . Board replacement optimization
Which of the following is the after-sales testing tool for WLAN planning and design services?
- A . Ensp
- B . GNEECWLAN
- C . WLANDNS3
- D . WLAN Tester