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Cca 410 :One Of The Best Certification For It Field Experts}

  • Posted on March 3, 2018 at 3:18 am

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Submitted by: Catherine A. Knox

This examination centered on representing applicants technological familiarity, ability and skills to construct, deploy, sustain and secure an ecosystem project and Apache Hadoop cluster that include the enterprise information hub.

The CCA-410 Examination is for Cloudera Certified Administrator for Apache Hadoop (CCAH) that gives an additional boost to the candidates in IT sector.

Subjects Covered During the Examination:

1. HDFS (38%)

Recognize the commands to manipulate files in the Hadoop File System Shell

Explain file read and write paths

Establish the best information serialization choice for a given scenario

Examine the role of HDFS security (Kerberos)

Recognize components and daemon of an HDFS HA-Quorum cluste

Given a scenario, Recognize appropriate utilize case for HDFS Federation

Classify foremost goals of HDFS Design

Recognize present features of computing systems that inspire a system like Apache Hadoop

Explain the normal process of an Apache Hadoop cluster, both in data processing and data storage

Explain the purpose of all Hadoop Daemons

2. MapReduce (10%)

Realize how to deploy MapReduce v2 (MRv2 / YARN)

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Realize how to deploy MapReduce v1 (MRv1)

Realize essential plan strategy for MapReduce v2 (MRv2)

3. Hadoop Cluster Planning (12%)

Principal points to consider in selecting the hardware and operating systems to host an Apache Hadoop cluster.

Examine the choices in selecting an OS

Realize kernel tuning and disk swapping

Given a scenario and workload pattern, recognize a hardware configuration appropriate to the scenario

Cluster sizing: given a scenario and frequency of execution, recognize the specifics for the workload, containing memory, CPU, disk I/O, storage.

Configuration and Disk Sizing, including JBOD versus RAID, SANs, virtualization and disk sizing necessities in a cluste

Network Topologies: realize network usage in Hadoop and propose or Recognize key network design components for a given scenario

4. Hadoop Cluster Installation and Administration (17%)

Given a scenario, recognize how the cluster will handle machine and disk failures.

Examine a logging configuration and logging configuration file format.

Realize the basics of Hadoop metrics and cluster health monitoring.

Recognize the purpose and function of accessible tools for cluster monitoring.

Recognize the purpose and function of accessible tools for managing the Apache Hadoop file system.

5. Resource Management (6%)

Realize the overall design goals of each of Hadoop schedulers.

Given a scenario, establish how the FIFO Scheduler assigns cluster sources.

Given a scenario, establish how the Fair Scheduler assigns cluster sources.

Given a scenario, establish how the Capacity Scheduler allocates cluster sources.

6. Monitoring and Logging (12%)

Realize the features and functions of Hadoops metric collection capabilities

Examine the JobTracker and NameNode Web UIs

Interpret a log4j configuration

Realize how to observe the Hadoop Daemons

Recognize and observe CPU usage on master nodes

Explain how to observe swap and memory allocation on all nodes

Recognize how to view and manage Hadoops log files

Interpret a log file

7. The Hadoop Ecosystem (5%)

Realize Ecosystem projects and what you need to do to deploy them on a cluster.

4. Hadoop Cluster Installation and Administration (17%)

Given a scenario, recognize how the cluster will handle machine and disk failures.

Examine a logging configuration and logging configuration file format.

Realize the basics of Hadoop metrics and cluster health monitoring.

Recognize the purpose and function of accessible tools for cluster monitoring.

Recognize the purpose and function of accessible tools for managing the Apache Hadoop file system.

5. Resource Management (6%)

Realize the overall design goals of each of Hadoop schedulers.

Given a scenario, establish how the FIFO Scheduler assigns cluster sources.

Given a scenario, establish how the Fair Scheduler assigns cluster sources.

Given a scenario, establish how the Capacity Scheduler allocates cluster sources.

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Tips For Bridesmaid Dress Collocation}

  • Posted on December 15, 2017 at 3:14 am

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Submitted by: Sina Baidu

Bridesmaid is another part of beautiful scenery beside the bride on wedding. The dress for bridesmaid should be elegant. The bridesmaids are not a set-off unknown to the guests, but play the most important and elegant role in wedding. The elegant dress represents your attention on the bride and wedding.

I. Style Choice for Dress

1. Add Fashion Elements in Dress. To avoid the dress is too formal or too casual; you can add fashion elements which can be added in the details. If you are wearing a fashionable lace with a suit jacket, coat the inside with a small harness alternative, light-colored, with beads and multicolored mosaic, sexy Bra can be.

2. Not Too Short For Dress. The short dress may cause accidental exposure. It is not suitable in outdoor activity.

3. Simple Design for Bridesmaid Dress. The dress should be among evening and casual style. Do not choose long-floor dress as its too grand.

4. Dignified Dress. The dress should not be too exposed; otherwise it will grab the bride’s thunder.

II. Colo

1. Pink Color for Dress Choice. Pink is the necessary color of wedding. Too bright pink may not be a good choice.

2. Take care of color shade. Try to show your mature characteristic in the wedding. The bridesmaid is not child who play games in wedding. Try to be a lady when dressing. If you want to add romantic element, you can choose satin fabric. Groomsmen bridesmaid dress selection on yellow

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3. Bright Yellow, The yellow color is divided in 2 shades: dark yellow and light yellow. Light yellow can match chiffon, or gauze fabric, which makes you a sense of light and elegant.

4. Golden+ Yellow

The details will show its gorgeous taste. A large area of yellow to use, and dotted with moderate gold as embellishment; or you can wear gold jewelry to achieve the same effect.

5. Yellow + White

Fresh and lively STYLE – You can use two layers of white and yellow chiffon, or add white shawl on yellow dress.

6. Green

Dark green is suitable for strapless dress. The strapless dark green dress combine elegance and sexy, thus takes green into ultimate effect. Its also widely used in spring.

III. Accessories

1. No Accessories On bridesmaid’s Head. If the bride wears long white yarn, you should wear white dress. It should better wear similar dress with bridesmaid.

2. No Lipstick for Bridesmaids. No make up to set off the bride.

3. No jewelry on the body. The bridesmaid should not have an eye-catching on herself. You should better wear white scarf around neck to highlight your own characteristics.

IV. Dress Collocation with body figure

1. Petite Bridesmaids: suitable for high-waist line type. Chiffon fabric can represent bridesmaids personality. The cake dress will make up for your thin body.

2. Shapely Bridesmaids: can select the dress according to face shape. The dress styles are unrestricted for shapely bridesmaids.

3. Straight-body Bridesmaids: suitable for dress with shoulder pad. The pad enhances the design for shoulder, and ruffled dress will add your body curve.

4. Voluptuous Bridesmaids: Simple A-line dress is perfect for your type. The dress hemline should not be too big.

V. Dress Collocation with face shape

1. Square-face Bridesmaids: wearing round-neck dress will be better.

2. Inverted-triangle face bridesmaids: also wearing round-neck dress will be better.

3. Round-face bridesmaids: more suitable for V-neck dress. Central-parting hair will elongate the face and soften your facial line.

4. Long-face bridesmaids: wearing round collar or horizontal collar will soften your facial line.

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