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Brilliant_brown [7]
3 years ago
13

What is an iterator and why is it useful for ADTs?

Computers and Technology
1 answer:
VladimirAG [237]3 years ago
4 0

Answer:

Iterator is the element that used for transversing of any container by the user. This provides the facility to user to process any constituent belonging to the container and storage of these elements can be in any form.

This situation takes place under the isolation condition of the user from the container's internal model. Abstract data types use iterators for the maintenance of the transversal of the data structure.

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What type of authentication does the dod require to access sensitive data on mobile devices and/or e-mail?
motikmotik
<span>Actually dod requires a digital type of authentication and a secure password inorder to access sensitive data on mobile devices and email, which may in the form of two step authentication code, then in the form digital phone calls, and then in the form of alphanumeric passwords and finally in the form of finger prints authentications or face recognition verification..</span>
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3 years ago
A security administrator wants to empty the DNS cache after a suspected attack that may have corrupted the DNS server. The serve
MAVERICK [17]

Answer:

The easiest method to clear a DNS cache is to use either the command line, PowerShell or Windows Server's DNS Manager

Explanation:

You can use either the ipconfig /flushdns (command line), Clear-DnsClientCache (PowerShell) or DNS->(name)->Clear Cache (from the DNS Manager)

source:

https://activedirectorypro.com/clear-windows-dns-cache/

https://www.technipages.com/flush-and-reset-the-dns-resolver-cache-using-ipconfig

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3 years ago
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A device is sending out data at the rate of 1000 bps. How long does it take to send
vredina [299]

Answer:

0.01 second ; 0.008 seconds; 800 seconds

Explanation:

Given that:

Sending rate = 1000 bps

Rate of 1000 bps means that data is sent at a rate of 1000 bits per second

Hence, to send out 10 bits

1000 bits = 1 second

10 bits = x

1000x = 10

x = 10 / 1000

x = 0.01 second

2.)

A single character 8 - bits

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8 bits = (8 / 1000) seconds

= 0.008 seconds

3.)

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= 800 seconds

4 0
3 years ago
Review universal data models and discuss how these are being used more widely today. Does a data modeling project using a packag
adell [148]

Answer:

2. A data modelling project using a packaged data model REQUIRES A GREATER SKILL than a project not using a packaged data model.

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1a. Review of universal models:

A data model is an abstract model that organizes elements of data and standardizes how they relate to one another and to the properties of real world entities. It has become the standard approach used towards designing databases.

A universal data model is a template data model that can be reused as a starting point or a building block to jump-start development of a data modelling project, industry specific model, logical data models.

1b. Discuss how these are being used more widely today.

*Universal data models helps professional reduce development time, improve consistency and standardization while achieving high quality models.

*Higher quality: just as architects consider blue prints before constructing a building, one should also consider data before building an app. A data model helps define the problem, enabling one to consider different approaches and choose best ones.

*By properly modelling and organization's data, the database designer can eliminate data redundancies (needless repetitions) which are a key source for inaccurate information and ineffective systems.

2. Greater and advanced skills are adequate and required when data modelling project is done using packaged data model while fewer skills are required when data modelling is done without packaged data model.

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3 years ago
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Dennis_Churaev [7]
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