Flashcards in Mobile Storage and Big Data Deck (13)
What risks are introduced by the ability to store data on mobile devices?
Increase in vulnerability of sensitive material, easier to be lost or stolen
What is data synchronization?
Process of establishing consistency among data across multiple different sources
What is data backup?
Process of creating and storing copies of data that can be used to protect againts data loss
What do data backup and data synchronization have in common?
Both involve creating copies of a file/data, copying the new or modified file instead of entire source
How do data backup and data synchronization differ?
If a backup is deleted, still have original copy, if copy is deleted in synchronization it is gone
Name advantages of native apps
- Easier to work with native apps
- Peform faster on device
- Access device features
- Provided with tools
Name advantages of web apps
- Most recent version is always avaliable and used by everyone
- manipulated so can be compatabile with older devices
Name disadvantages of native apps
- Can't guaretee that all users are using the same version
- higher cost
- harder to mantain
Name disadvantages of web apps
- limited scope as far as accessing device features
- not listed in an app store
Which V properties are commonly used to characterize big data?
Larger amounts of data, ever growing data of all types
Data is in various forms, structured, unstructured, semi-structured