Free Huawei H13-711_V3.0 Practice Exam with Questions & Answers

time window

sliding window

session window

Cout window

One-stop management of tenant resources, computing resources (CPU/memory/IO), storage resources (HDFS), service resources (HBase.…)

Visual multi-level tenant management, matching with the enterprise organizational structure, simplifies system resource allocation and management

Tenant resource isolation based on container mechanism, escorting tenant SLA

A multi-level tenant model that matches the organizational structure of the enterprise, different departments correspond to different tenants, and tenants can be dynamically added or deleted as needed

Updates sent by the client are applied in the order in which they were sent

Updates can only be fully completed or failed, not partially

OneA message received by one server will be received by all servers

No matter which server in the cluster, the same view is displayed to the outside world

Follower

Controller

Brocker

Leader

Concrete objects cannot be defined under an organizational unit.

Each node in the LDAPServer directory tree is called an entry and has its own unique distinguished name DN (Distinguished Name).

The root of the LDAPServer directory tree generally defines the domain name DC (Domain Component).

DAPServer directory information is organized and stored based on a tree structure.

Load the file of the local path directly into the Hive table

Hive supports insert into! The method of a single record. So you can insert a single record directly on the command line

Insert result set from other table into Hive table

Load files on HDFS into Hive tables.

After obtaining this input stream, the client calls the read method to read the data. The input stream selects the nearest DataNode to establish a connection and read data.

The client calls close. to close the input stream.

The location where the data block corresponding to this file in NameNodel is obtained by calling NameNode remotely through RPC

If the end of the data block has been reached. Then close the connection with this DataNodel, and then re-find the next data block. until all data is read.

The client calls the open method of the FileSystem instance to obtain the input stream corresponding to the file.

Help users quickly find nodes with the highest resource consumption and take appropriate measures

View the distribution of key resources through the resource distribution viewing interface on each service home page

Can help users quickly focus on the most critical resource consumption

Through the DashBoard interface, you can view the distribution of host resources. For example, a list of hosts with a memory occupancy of 50-75% and a link to jump

4

3

2

1

HFile

HLog

MemStore

HMaster

DataNode

ZooKeeper

HMaster

HRegionServer

WEB UI

Linuxt command line

REST interface

Java API

Visual modeling helps DBAs in modeling design and lowers the threshold for using HBase

Qualifier HBase column: each column represents an attribute of business data

Realize the division of labor: DBAs focus on data table modeling, developers focus on user table names and columns used

Column user table column: each column represents a KeyValue

When deleting TopicE, make sure that Kafkal's service configuration delete.topiC. enable is set to true

Kafka installation and operation log storage path is /srv/Bigdata/kafka

Unavailable ZooKeeper service will cause Kafka service to become unavailable

Topic must be created using the admin user or the Kafka admin group user

flexibility

Scalability

Disaster recovery capability

message reliability