Each site (or node) in a distributed system is subject to the same types of failure as in a centralized system.
A. True
B. False
Answer: Option A
Solution (By Examveda Team)
In a distributed system, each site or node is subject to the same types of failure as in a centralized system, including hardware failures, software failures, network failures, and human errors.Option A: True
This option correctly states that each site or node in a distributed system can experience various types of failures similar to those encountered in a centralized system. These failures can include hardware failures such as disk crashes or memory errors, software failures such as bugs or crashes in the operating system or application software, network failures such as link failures or packet loss, and human errors such as misconfiguration or accidental data deletion. Dealing with these failures is essential for ensuring the reliability, availability, and fault tolerance of the distributed system.
Option B: False
This option incorrectly suggests that distributed systems are immune to certain types of failures or have different failure characteristics compared to centralized systems. However, distributed systems face many of the same challenges and vulnerabilities as centralized systems, and failure management is a critical aspect of distributed system design and operation.
Therefore, in the context of failures in distributed systems compared to centralized systems, the correct option is True (Option A).
A distributed database has which of the following advantages over a centralized database?
A. Software cost
B. Software complexity
C. Slow Response
D. Modular growth
An autonomous homogenous environment is which of the following?
A. The same DBMS is at each node and each DBMS works independently.
B. The same DBMS is at each node and a central DBMS coordinates database access.
C. A different DBMS is at each node and each DBMS works independently.
D. A different DBMS is at each node and a central DBMS coordinates database access.
A transaction manager is which of the following?
A. Maintains a log of transactions
B. Maintains before and after database images
C. Maintains appropriate concurrency control
D. All of the above
Location transparency allows for which of the following?
A. Users to treat the data as if it is at one location
B. Programmers to treat the data as if it is at one location
C. Managers to treat the data as if it is at one location
D. All of the above

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