IT Questions and Answers :)

Monday, September 30, 2019

Which of the following would you use to allow your users to discuss sensitive information on their mobile devices without having to travel to secure locations?

Which of the following would you use to allow your users to discuss sensitive information on their mobile devices without having to travel to secure locations?

  • GPS tracking
  • Passcode policy
  • Voice encryption
  • Remote wipe 
Which of the following would you use to allow your users to discuss sensitive information on their mobile devices without having to travel to secure locations?

EXPLANATION

GPS tracking To get real-time results, IMEI & GPS call trackers can be used to track the location of a phone call. Apps like GPS Phone & Locate Any Phone are great with tracking mobile phones, even when the phone is not connected to the internet. You can know the GPS coordinates of a phone number within seconds.

Passcode policy Mobile devices often do not have passwords enabled. Mobile devices often lack passwords to authenticate users and control access to data stored on the devices. Many devices have the technical capability to support passwords, personal identification numbers (PIN), or pattern screen locks for authentication. Some mobile devices also include a biometric reader to scan a fingerprint for authentication. However, anecdotal information indicates that consumers seldom employ these mechanisms. Additionally, if users do use a password or PIN they often choose passwords or PINs that can be easily determined or bypassed, such as 1234 or 0000. Without passwords or PINs to lock the device, there is increased risk that stolen or lost phones' information could be accessed by unauthorized users who could view sensitive information and misuse mobile devices.


 





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In mobile computing, what does MEAP stand for?

In mobile computing, what does MEAP stand for?

  • Must Eat All of the Pizza
  • Mobile Enterprise Application Platform
  • Mobile Extensible Authentication Protocol
  • Mobile Early Access Program 
In mobile computing, what does MEAP stand for?

EXPLANATION

 A mobile enterprise application platform (MEAP) is a comprehensive set of services and products for enabling the development of mobile applications. A mobile enterprise application platform can provide a long-term approach as well as all the related elements while deploying mobility.

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In programming, what does JIT stand for?

In programming, what does JIT stand for?

  • Jira Interoperability Team
  • Just In Time
  • JavaScript InfoVIs Toolkit
  • Java Interpretation and Translation 

In programming, what does JIT stand for?

EXPLANATION

In the Java programming language and environment, a just-in-time (JIT) compiler is a program that turns Java bytecode (a program that contains instructions that must be interpreted) into instructions that can be sent directly to the processor.

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Which of the following is the preferred type of encryption used in SaaS platforms?

Which of the following is the preferred type of encryption used in SaaS platforms?

  • Media level
  • Database level
  • Application level
  • HSM level 


EXPLANATION

In a SaaS environment, application-level encryption is preferred because the data is encrypted by the application before being stored in the database or file system. The advantage is that it protects the data from the user all the way to storage. HSM Level is incorrect because an HSM solution is mainly found in private data centers that manage and offload cryptography with dedicated hardware appliances. Media Level is incorrect because encryption of a complete virtual machine on IaaS could be considered media encryption. Database level is incorrect because, due to the complexity involved, data should be encrypted at the application layer in cloud implementations rather than being encrypted within a database.

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Wednesday, September 25, 2019

What is differential backup?

What is differential backup?

  • It is like any other backup ; just a fancy name
  • backup of changes after the last full backup
  • A quick backup
  • backup of changes since last incremental backup 

EXPLANATION

A differential backup backs up only the files that changed since the last full backup. For example, suppose you do a full backup on Sunday. On Monday you back up only the files that changed since Sunday, on Tuesday you back up only the files that changed since Sunday, and so on until the next full backup. The amount of data being backed up grows with each differential backup until the next full back up

SOURCE

https://www.acronis.com/en-us/articles/incremental-differential-backups/
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