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Answer» WCF offers the following isolation or transaction levels: - Read UNCOMMITTED: This is also called the Dirty isolation level. It states that the data can be both read and modified during the transaction. This is the lowest level of isolation.
- Read Committed: It is commonly referred to as the DEFAULT. It states that data may be modified, but it may not be read during the transaction.
- REPEATABLE Read: This stops the use of dirt reads and non-repeatable reads. It states that Data can be read but not modified during the transaction. However, new data can be added.
- Serializable: It is also CONSIDERED a RESTRICTIVE level. It states that data can be read, but there are no modifications or additions of new data allowed until the transaction has been completed.
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