Final BD quiz

Batch processing is a technique used to address the discrepancy between ..

• Capacity and latency
• Throughput and latency
• Capacity and throughput

Relational tables have tosatisfy the following integrity constraints:

• Relational
• Domian
• Atomic

In CAP systems, "C" stands for

HDFS supports automatic load-balancing of the blocks across DataNodes if new DataNodes are added.

• True
• False

What is persisted for fault tolerance (NameNode)

• The file hierarchy
• The file to block mapping
• The block locations
• The node locations

JSON supports a direct representation of undirected, simple, acyclic graphs

• True
• False

which one of the follwing are valid escape sequenes in JSON (by default)?

• \/
• /\
• \f
• \q
• \'

In XML, top-level text declarations (<? ..) count as tags.

• True
• False

IN XML, unprefixed attributes will belong t the default namespace, if it is specified.

• False
• False

In HBASE, ______ means emptying out the MemStore and persisting its content to the disk.