These are data mangement system questions 1.Name three types of data security br
ID: 3694787 • Letter: T
Question
These are data mangement system questions
1.Name three types of data security breaches ___________________
2.SSL combines what two types of encryption? _____________________________.
3.Name two types of database logs _________________________
4.Query A is waiting for query B to release what query A needs to proceed. Query B is also waiting for query A to release something. This is known as ________________________.
5.True or false: In public key encryption nobody knows the key used to encrypt the message ________________________
6.Name 2 advantages of a centralized database __________________________________
__________________________________
__________________________________
7.To insure that all parts of a distributed database are updated consistency people use ______________________________.
8.In the ______________________method, one site will be chosen as a place to accumulate all the updates to a table.
9.Name 2 principle of replication____________________________
_
10.I ready the last backup and apply updates of the log entries that were done since the backup. This is known
Explanation / Answer
1. The three basic types of data security breaches that can lead to a data compromise are ...
a. A physical breach
b. An electronic breach
c. A skimming breach
2. SSL uses a combination of Asymmetric encryption to exchange the symmetric key and Symmetric encryption to encrypt the bulk applilcation of data.
3. The two types of databse logging are supported ...
a. circular logging
b. archival logging
4. Query performance optimization
5. False
6. The advantage sof centralized datbase are ...
a. controlling redundancy
b. Integrity can be enforced
c. Inconsistency can be avoided
7. Two processes ensure that the distributed databases remain up-to-date and current are ...
a. replication
b. duplication
8. sorry !!!
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