QUESTION: 45

A BPO company would like to expand its business and provide 24 x 7 customer service. Therefore, the organization wants to migrate to a fully functional cloud environment that provides all features with minimum maintenance and administration.
Which cloud service model should it consider?

laaS
PaaS
RaaS
SaaS

Answer(s): D

Explanation:

SaaS, or Software as a Service, is the ideal cloud service model for a BPO company looking to expand its business and provide 24/7 customer service with minimal maintenance and administration. SaaS provides a complete software solution that is managed by the service provider and delivered over the internet, which aligns with the needs of a BPO company for several reasons:

1. Fully Managed Service: SaaS offers a fully managed service, which means the provider is responsible for the maintenance, updates, and security of the software.

2. Accessibility: It allows employees to access the software from anywhere at any time, which is essential for 24/7 customer service operations.

3. Scalability: SaaS solutions are highly scalable, allowing the BPO company to easily adjust its usage based on business demands without worrying about infrastructure limitations.

4. Cost-Effectiveness: With SaaS, the BPO company can avoid upfront costs associated with purchasing, managing, and upgrading hardware and software.

5. Integration and Customization: Many SaaS offerings provide options for integration with other services and customization to meet specific business needs.

Reference:

An article discussing how cloud computing services are becoming the new BPO style, highlighting the benefits of SaaS for BPO companies1.

A report on the impact of cloud services on BPOs, emphasizing the advantages of SaaS in terms of cost savings and quick response to customers1.

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QUESTION: 46

Thomas Gibson is a cloud security engineer who works in a multinational company. His organization wants to host critical elements of its applications; thus, if disaster strikes, applications can be restored quickly and completely. Moreover, his organization wants to achieve lower RTO and RPO values.
Which of the following disaster recovery approach should be adopted by Thomas' organization?

Warm Standby
Pilot Light approach
Backup and Restore
Multi-Cloud Option

Answer(s): A

Explanation:

The Warm Standby approach in disaster recovery is designed to achieve lower Recovery Time Objectives (RTO) and Recovery Point Objectives (RPO) values. This approach involves having a scaled- down version of a fully functional environment running at all times in the cloud. In the event of a disaster, the system can quickly switch over to the warm standby environment, which is already running and up-to-date, thus ensuring a quick and complete restoration of applications.

Here's how the Warm Standby approach works:

1. Prepared Environment: A duplicate of the production environment is running in the cloud, but at a reduced capacity.

2. Quick Activation: In case of a disaster, this environment can be quickly scaled up to handle the full production load.

3. Data Synchronization: Regular data synchronization ensures that the standby environment is always up-to-date, which contributes to a low RPO.

4. Reduced Downtime: Because the standby system is always running, the time to switch over is minimal, leading to a low RTO.

5. Cost-Efficiency: While more expensive than a cold standby, it is more cost-effective than a hot standby, balancing cost with readiness.

Reference:

An article discussing the importance of RPO and RTO in disaster recovery and how different strategies, including Warm Standby, impact these metrics1.

A guide explaining various disaster recovery strategies, including Warm Standby, and their relation to achieving lower RTO and RPO values2.

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QUESTION: 47

VenturiaCloud is a cloud service provider that offers robust and cost-effective cloud-based services to cloud consumers. The organization became a victim of a cybersecurity attack. An attacker performed a DDoS attack over the cloud that caused failure in the entire cloud environment. VenturiaCloud conducted a forensics investigation.
Who among the following are the first line of defense against cloud security attacks with their primary role being responding against any type of security incident immediately?

Law Advisors
Incident Handlers
Investigators
IT Professionals

Answer(s): B

Explanation:

Incident Handlers are typically the first line of defense against cloud security attacks, with their primary role being to respond immediately to any type of security incident. In the context of a cybersecurity attack such as a DDoS (Distributed Denial of Service), incident handlers are responsible for the initial response, which includes identifying, managing, recording, and analyzing security threats or incidents in real-time.

Here's how Incident Handlers function as the first line of defense:

1. Immediate Response: They are trained to respond quickly to security incidents to minimize impact and manage the situation.

2. Incident Analysis: Incident Handlers analyze the nature and scope of the incident, including the type of attack and its origin.

3. Mitigation Strategies: They implement strategies to mitigate the attack, such as rerouting traffic or isolating affected systems.

4. Communication: They communicate with relevant stakeholders, including IT professionals, management, and possibly law enforcement.

5. Forensics and Recovery: After an attack, they work on forensics to understand how the breach occurred and on recovery processes to restore services.

Reference:

An ISACA journal article discussing the roles of various functions in information security, highlighting the first line of defense1.

An Australian Cyber Security Magazine article emphasizing the importance of identity and access management (IAM) as the first line of defense in securing the cloud2.

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QUESTION: 48

Sandra, who works for SecAppSol Technologies, is on a vacation. Her boss asked her to solve an urgent issue in an application. Sandra had to use applications present on her office laptop to solve this issue, and she successfully rectified it. Despite being in a different location, she could securely use the application.
What type of service did the organization use to ensure that Sandra could access her office laptop from a remote area?

Amazon AppStream 2.0
Amazon Elastic Transcoder Service
Amazon SQS
Amazon Simple Workflow

Answer(s): A

Explanation:

Amazon AppStream 2.0 is a fully managed application streaming service that allows users to access desktop applications from anywhere, making it the service that enabled Sandra to access her office laptop applications remotely. Here's how it works:

1. Application Hosting: AppStream 2.0 hosts desktop applications on AWS and streams them to a web browser or a connected device.

2. Secure Access: Users can access these applications securely from any location, as the service provides a secure streaming session.

3. Resource Optimization: It eliminates the need for high-end user hardware since the processing is done on AWS servers.

4. Central Management: The organization can manage applications centrally, which simplifies software updates and security.

5. Integration: AppStream 2.0 integrates with existing identity providers and supports standard security protocols.

Reference:

AWS documentation on Amazon AppStream 2.0, detailing how it enables remote access to applications1.

An AWS blog post explaining the benefits of using Amazon AppStream 2.0 for remote application access2.

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