IBM C5050-284 問題集

質問 1：
What kind of strategy is the best approach based on the IBM Cloud Computing Reference Architecture V4 to minimize the risks in cloud computing?
A. Implement cloud native services that are inherently security aware.
B. Implement tools for monitoring, logging, and controlling access to or distribution of sensitive organizational data.
C. Enable strong authentication of cloud users to make it less likely that unauthorized users can access the cloud.
D. Define a cloud strategy with security in mind, identify the security measures needed, and enable security for the cloud.
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Which cloud infrastructure operates solely for a single organization, whether managed internally or by a third-party, and hosted either internally or externally?
A. Public cloud
B. Distributed cloud
C. Private cloud
D. Hybrid cloud
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 3：
What is a typical hybrid cloud scenario?
A. Secure data residing on the public cloud and peak loads on the private cloud.
B. Secure data residing on the private cloud and peak loads on the private cloud.
C. Secure data residing on the private cloud and peak loads on the public cloud.
D. Secure data residing on the public cloud and peak loads on the public cloud.
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 4：
A company is implementing a cloud storage solution that offers backup services for employee critical data. The company is funding each employee up to $5 per month, and any excess usage will be charged per employee. What is the best option for this scenario based on cloud computing billing (metering/measuring) models?
A. cloud chargeback pricing
B. subscription-based pricing
C. spot pricing
D. elastic pricing
正解：C

質問 5：
What are API marketplaces?
A. They are application stores for APIs that offer a variety of capabilities including multi-tenancy.
B. They are where developers go to offer their services in creating functions for cloud computing public, private, and hybrid environments.
C. They are where developers create APIs for consumption by lines of business looking to use cloud service providers.
D. They are the location where third-party cloud service providers cross connect their networks.
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 6：
How does elastic scalability benefit users of cloud puting applications?
A. It reduces the cost of applications in the cloud because it relies only on a virtualized infrastructure which is cheaper than a physical infrastructure.
B. It is a tool for improving capacity planning and optimizing upfront investments
C. It allows for the incremental development of new application features in the cloud, which makes the applications more affordable to manage and operate.
D. The cost of resources is incurred only when they are used and for as long as (or how much) they are used.
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 7：
Which statement is true about Bluetooth and WiFi in a cloud computing environment?
A. They always use two-factor authentication.
B. Devices can be easily exploited to infect a mobile device with malware or compromise transmitted data.
C. Their utilization is not compliant with main safe requisites.
D. They require automatic locking if the device is idle for a certain period of time
正解：D