Explanation:When a client creates an HDFS file, it computes a checksum of each block of the file and stores these checksums in a separate hidden file in the same HDFS namespace. 2. Point out the correct statement :
A. The HDFS architecture is compatible with data rebalancing schemes
B. Datablocks support storing a copy of data at a particular instant of time.
C. HDFS currently support snapshots.
D. None of the mentioned
Answer:A
Explanation:When a client creates an HDFS file, it computes a checksum of each block of the file and stores these checksums in a separate hidden file in the same HDFS namespace. 2. Point out the correct statement :
A. The HDFS architecture is compatible with data rebalancing schemes B. Datablocks support storing a copy of data at a particular instant of time. C. HDFS currently support snapshots. D. None of the mentioned
Explanation:A scheme might automatically move data from one DataNode to another if the free space on a DataNode falls below a certain threshold. 3. The ___________ machine is a single point of failure for an HDFS cluster.