Online Access Free H13-723_V2.0 Exam Questions

HDFSIt adopts a "write once, read many" file access model. So it is recommended that a file be created, written and After closing, do not modify it again.

• A.False
• B.True

existKafkain, aboutConsumerWhich statement is correct? (multiple choice)

• A.mouthConsumerNeed to specify when consuming dataTopic
• B.multiple mouthsConsumerconfigure the samegroup.idwhen theseConsumerConsumed data will not be duplicated
• C.mouthConsumerMainly for data consumption
• D.Kou XinConsumerAPIConsumption data does not need to be specifiedZooKeeperaddress

Set the block storage size to128M,HDFSWhen the client is writing a file, when writing a100M Big. How much storage space is there?

• A.128M
• B.64M
• C.100M
• D.50M

Spark streamingAs a micro-batch stream processing engine, it converts the data of each time slice for oneRDDa partition in the

• A.False
• B.True

Below aboutZooKeeperThe description of the feature is wrong ()?

• A.A message to be read by more than halfserverreceive, it will be able to successfully write to disk.
• B.ZooKeeperThe number of nodes must be an odd number.
• C.Message updates can only succeed or fail, with no intermediate states.
• D.Updates sent by the client are applied in the order in which they were sent.