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最新的 Cloud Architect E20-918 免費考試真題:

1. Refer to the exhibit.

A company is evaluating an ITaaS architecture to provision applications for their various business units. The IT architects consult you for help on the illustrated design.
What is a potential risk in the design?

A) Multi-tenancy
B) CPU resource contention
C) Memory resource contention
D) Unbalanced resource utilization

2. A manufacturing company hired you to help them in their journey to a hybrid cloud. You conduct an assessment and recommend migrating several existing Tier 2 applications to a public cloud provider. You must work within the following constraints:
-Migration can be performed only during weekends -Only limited downtime is acceptable -The configuration of the host and applications cannot be changed -The company needs to keep the costs as low as possible -Although there are no specific performance requirements, they are concerned about the quality
of the user experience
Which solution best addresses these needs?

A) Layer 2 extension with VPN connection over Internet with WAN optimization
B) Layer 3 connection over Internet with QoS
C) Layer 2 extension with dedicated link and WAN optimization
D) Layer 3 connection over Internet with WAN optimization

3. An enterprise has decided to implement a new service that will process credit card information. They will deploy this service within their private cloud. They have a relationship with a public cloud provider that claims to be PCI compliant.
The enterprise wishes to implement a service that is PCI compliant with the least amount of effort. The service is protected by a policy-based intrusion detection system. Cardholder data is securely transmitted to the web interface.
Which additional design elements would best be suited for this implementation?

A) The card number is masked as it is typed and is immediately encrypted and securely sent directly to the credit card processing system. No credit card information is stored within the application.
B) The card number is masked as it is typed and is immediately encrypted and securely sent to both the credit card processing system and to private cloud for historical tracking and reporting only.
C) The card number is masked as it is typed and is immediately encrypted, stored, and securely sent directly to the credit card processing system. Credit card information is stored within the public cloud provider using AES 128 encryption.
D) The card number is masked as it is typed and is immediately encrypted and securely sent directly to the credit card processing system. Credit card information is backed up to the private cloud system and stored using AES 128 encryption.

4. Refer to the exhibit.

You have been hired to assist with a migration to an ITaaS environment. The company has offices
in Atlanta, Dubai, and London, with 5000, 2000, and 3000 employees, respectively. A data center exists in each location, and most services have been virtualized. Messaging services are provided locally to the user.
You have just performed an assessment of the environment. The results are shown in the exhibit.
The CIO is interested in closing one of the data centers and migrating some or all of the services to a public cloud service provider (CSP). Any services that do not get migrated to the CSP will be hosted at one of the other two data centers. Network latency averages 8 milliseconds between the Atlanta and London offices, and 10 milliseconds between the London and Dubai offices. Traffic between Atlanta and Dubai is routed through London.
The eCommerce application is external facing and is hosted at all three data centers. Atlanta services 50% of the users in North and South America. London services 40% of the users in Europe and Asia. Dubai services 10% of the users in Africa and Australia.
You have tentatively chosen a CSP that is housed in Frankfurt, and would have access to 3 Gb/s of network bandwidth to the facility. The CSP's service levels are as follows:
-RPO: 4 hours -RTO: 1 hour -Availability: 99.995%
Your recommendation is to close the Dubai data center over a one-year time horizon.
What migration strategy would you recommend for the services that are currently hosted in the Dubai data center, and why?

A) eCommerce to the public cloud; Messaging to Atlanta; CSP cannot support the bandwidth requirements for Messaging, and latency will be less from Atlanta
B) eCommerce to the public cloud; Messaging to London; CSP cannot support the bandwidth requirements for Messaging, and latency will be less from London
C) Messaging to the public cloud; split eCommerce between London and Atlanta; CSP cannot support the availability for eCommerce
D) Messaging and eCommerce to the public cloud; CSP can support availability and bandwidth requirements for both applications

5. A hosting company has experienced a sudden increase in customer interest and wishes to implement ITaaS. They are now hosting online shopping applications for several retail computer and electronics companies.
Developers in the customer companies have the ability to publish applications and changes to their stores. Shoppers access these stores using a variety of mobile applications and web browsers.
What should be addressed when migrating to ITaaS and implementing a service catalog for the retail and electronic companies?

A) Tenant separation
B) Integration of multiple hypervisors
C) On-demand resource pool creation
D) Support for multiple CMDB systems

問題與答案：