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25-26 [ADE 4B] Business Information and Analysis Systems

25-26 [ADE 4B] Business Information and Analysis Systems

Looking for 25-26 [ADE 4B] Business Information and Analysis Systems test answers and solutions? Browse our comprehensive collection of verified answers for 25-26 [ADE 4B] Business Information and Analysis Systems at edem.myopenlms.net.

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What is an ID in a database?

The identifier of every user that's needed to log in in the database

It's the unique identifier that every database has to be able to be accessed

A column in every table that differentiates each row from the others

It's the name of every table in the database

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What is the task of the RAM in a computer?

It's the "long term memory" of the computer, that stores information for a long time.

It's the "brain" that makes the calculations needed for the programs to run

It's the "short term memory" of the computer, that delivers information to the processor really fast.

It's the part of the computer that manages the input and output.

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What does the Veracity mean for big data?

There's a huge amount of data that is being generated, stored and processed and it increases every year.

Data comes in different shapes, formats and structures, so it's not always easy to process it.

The quality of the data is not always perfect and it must be checked, cleaned, studied and filtered.

Data changes very fast, so we must develop tools to keep our analysis up to date.

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Your company wants to start using an CRM. Which of these is a big problem if you already have an ERP?

The CRM must manage independent data or be integrated

The ERP system will automatically become obsolete

The company's data will be too secure to be accessed by the CRM

The CRM will completely replace all functions of the ERP

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One impediment to implementing a Waterfall methodology in IT projects is that technology changes very often. Why?

It leads to excessive spending on emerging technologies, which is not sustainable

Because Waterfall requires the use of outdated technology only

Waterfall methodology mandates the use of a single technology throughout the project, regardless of changes

Because in Waterfall it's very slow and expensive to adapt to changes

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Who defines the responsibilities of each device in a network?

The network protocols

The network software

The network hardware

The network engineers

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Why is binary code used in IT? Because...

It uses less memory than other coding systems

1 and 0 represent the 2 possible electricity states of a signal

Morse code used 2 symbols . and - that evolved into 1 and 0

It was used to represent analog signals and it was kept for digital signals

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One of DevOps advantages is team members with enhanced skillsets. Why?

It promotes mixed teams which increases the knowledge of each team member as people do not have the same skills.

It promotes collaboration between teams, this way team members can learn from different projects at the same time.

It need hiring only those with a broader range of skills, thus decreasing costs.

It encourages specialization, this way, each team member will enhance their skills in a specific area.

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HTTP is a protocol used primarily for:

Email communication

Database management

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Is it better to use TCP or UDP?

TCP is better because it's faster.

It depends on the situation.

UDP is better because it's faster.

TCP is better because it's more secure.

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