11 EC Storage and workflow in enterprise networks

Emilie is organising her digital photo collection.

What does “capacity” refer to in the context of data storage?

• The speed of data retrieval

• The size of the container needed to store data

• The type of data being stored

• The number of users accessing the data

Answer explanation

In data storage, "capacity" refers to the size of the container needed to store data. This indicates how much data can be held, making it the correct choice compared to speed, type, or user access.

Toby is organising his digital photo collection and wants to know
which of the following is the largest unit of data storage?

• Kilobytes (KB)

• Megabytes (MB)

• Terabytes (TB)

• Gigabytes (GB)

Answer explanation

The largest unit of data storage among the options is Terabytes (TB). 1 TB equals 1,024 GB, 1,048,576 MB, and 1,073,741,824 KB, making it significantly larger than the other units listed.

Emilie is planning the storage needs for her new data analytics company.

Which factor most influences current capacity requirements?

• Data growth rate

• Data volume

• Data security

• Data accessibility

Answer explanation

The data growth rate is crucial for capacity planning as it determines how much storage will be needed in the future. Understanding this rate helps Emilie anticipate and scale her storage solutions effectively.

Emilie is managing a data storage system.

How does the data retention period affect capacity requirements?

• It has no impact

• Longer retention requires more capacity

• Shorter retention requires more capacity

• It only affects data growth rate

Answer explanation

Longer data retention periods mean that more data must be stored over time, increasing the overall capacity requirements of the storage system. Therefore, the correct choice is that longer retention requires more capacity.

Emilie is setting up a new data center and needs to ensure

that the network storage can handle future growth.

What does “scalability” refer to in this context?

• Speed of data retrieval

• The ability to adjust storage capacity as needed

• Type of data being stored

• Data security measures

Answer explanation

In the context of network storage, "scalability" refers to the ability to adjust storage capacity as needed. This ensures that Emilie's data center can grow and accommodate increasing data demands over time.

Luke is managing a data center and needs to ensure the storage solution can handle future growth.

Which is an example of scalability in storage solutions?

• Adding more hard drives

• Limiting access to data

• Reducing data volume

• Ignoring data growth rate

Answer explanation

Adding more hard drives is a clear example of scalability, as it allows the storage solution to expand and accommodate increasing data needs, ensuring future growth is manageable.

Emilie is managing a database for a retail company.

How does data retrieval speed impact operational efficiency?

• It has no effect

• Slower retrieval improves efficiency

• Faster retrieval improves efficiency

• It only affects user experience

Answer explanation

Faster data retrieval directly enhances operational efficiency by reducing wait times for information access, allowing employees to make quicker decisions and serve customers more effectively.

In Emilie's university's online portal, what does “user authentication” ensure in data accessibility?

• Swift decision-making

• Timely updates

• Only authorised individuals access data

• Global accessibility

Answer explanation

User authentication ensures that only authorised individuals can access data, protecting sensitive information from unauthorized users. This is crucial for maintaining data security in Emilie's university's online portal.

Ed is trying to connect to his company's network while travelling.

What does the mobile accessibility of the network refer to?

• Global accessibility

• Access from smartphones and tablets

• Access control mechanisms

• Scalability features

Answer explanation

Mobile accessibility of the network refers to the ability to connect using smartphones and tablets, allowing users like Ed to access the company's network while traveling.

Emilie is considering storing her company's data on-premises.

What potential security concern is more common with on-premises (local) data storage?

• Geographical location issues

• Data privacy breaches

• Vendor lock-in

• Service Outages

Answer explanation

Data privacy breaches are a significant concern with on-premises storage, as companies must manage their own security measures. This increases the risk of unauthorized access compared to cloud solutions that often have robust security protocols.