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IT class - April 11th [Co...

IT class - April 11th [Community Learning Week •Phase 13] Activity

END Latest reply: Apr 21, 2022 07:53:11 3144 101 42 0 0
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【Answer】1.ABCD  2. A  3.D  4.B  5. ACD


【HiCoins Winner】 Abdussamed, Mysterious.color, TaysTyas


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Hello, everyone!

Join the Community Learning week IT class! 

it class


IT class learning time of this phase: April 11th - April 16th.

Answer time of this class: April 11th, 8 AM - April 12th, 4 PM (UTC+0).

Class topic

1. Introduction to HDFS

Hadoop Distributed File System (HDFS) is a distributed file system designed to run on commodity hardware. HDFS has a high fault tolerance capability and is deployed on cost-effective hardware...(More)

2. Introduction to ZooKeeper

The ZooKeeper distributed service framework is used to solve some data management problems that are frequently encountered in distributed applications and provide distributed and highly available coordination service capabilities...(More)

3. Introduction to Hive

The Apache Hive data warehouse software helps read, write, and manage large data sets that reside in distributed storage by using SQL. Structures can be projected onto stored data. The command-line tool and JDBC driver are provided to connect users to Hive...(More)

4. Introduction to YARN

Apache Hadoop Yet Another Resource Negotiator (YARN) is a resource management system. It provides unified resource management and scheduling for upper-layer applications, remarkably improving cluster resource utilization, unified resource management, and data sharing...(More)

5.  Introduction to Spark

As a one-stop solution, Apache Spark integrates batch processing, real-time streaming, interactive query, graph programming, and machine learning...(More)

Click to learn:  >>>Next class – Storages


Class Q&As

After attending this class, please answer all the following questions and submit them. Once submitted, the answer cannot be modified.


    *1. What are the disadvantages of the HDFS Single-NameNode Architecture? (Multiple choices)

  • A. Namespace limitation
  • B. Performance bottleneck
  • C. Isolation
  • D. Cluster availability

    *2. HDFS provides HDFS data accessing through Java APIs, HTTP, or SHELL modes. (Single choice)

  • A. True
  • B. False

    *3. Which of the following statements about Spark SQL and Hive is incorrect? (Single choice)

  • A. The execution engine of Spark SQL is Spark Core.
  • B. The execution speed of Spark SQL is 10 to 100 times faster than Hive.
  • C. Spark SQL does not support buckets, but Hive supports.
  • D. The default execution engine of Hive is Zookeeper.

    *4. There are two ResourceManager in the cluster, which is used for unified resource management, scheduling, and allocation. (Single choice)

  • A. True
  • B. False

    *5. Which components does HBase consist of? (Multiple choices)

  • A. Library functions
  • B. BloomFilter
  • C. HMaster
  • D. RegionServer

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olive.zhao
Admin Created Apr 21, 2022 07:53:11

Hello！

@Abdussamed @Mysterious.color @TaysTyas Congratulations on winning 20 Hicoin bonuses. Please go to the Personal Center to check it. If you have any questions, please contact us.
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olive.zhao
Admin Created Apr 11, 2022 03:54:03

@19muaz19 @Addy786 @Adriale @Ahmed_Osman @AJR @alkaseer @ankush @Aroot @azkasaqib @bagic @BAZ @daniellima @DawoodShah @Ddkompik @Dragos_Voicila @E.DR_91 @EdelChino @EglymarB @Elecha001 @ernesto_cupet6 @fargat @felixqperez @Fernando_Ag @Floyd_42 @Fuat @futurework @gabo.lr @Galeober @GDCP @Harihar_Shrestha_new @HaseebAkhtar @huriuraz @HWmah @IndianKid @jas_heer @JNL @JT_UPDATE @kakuye @Kolli @KorayK. @krishnkant @Len_non @little_fish @LSA @lucian2003 @LuizPuppin @Luke_WiFi_Walker @Majdi.Chebil @Marcelo.Toledo @Mglsmn @Moemyint18 @Mohamed_Ahmed @MPatel @mr_anderson @msgabs @Nawwaf.sa @NetEng.JA @niko_makoni @olutaiwo07 @orlan_ortiz @ozan @phuta @RanaShakeel @realtm7 @Renan_Brasil @rganacim @RoxES @Rumana @safi1012 @sam_san @Sapte @Saqib123 @Shalapy @Shayan_ITMan @Siyamraj @smileymind @sonam228 @thisu @umaryaqub @Unicef @user_3015189 @user_3333671 @user_3445655 @user_3754066 @user_3926329 @user_3984285 @user_3998471 @user_3999909 @user_4000907 @user_4082249 @user_4082499 @user_4101251 @user_4115707 @user_4183415 @vagkaefer @Vien @vitoko @Vlada85 @WalidNawar_PDAC_MVE @wissal @www_13290524951 @yogijain @zaheernew @Zahid_27 Come and enjoy the new learning party!
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taha_29four
Created Apr 11, 2022 08:12:02

1. What are the disadvantages of the HDFS Single-NameNode Architecture?

A. Namespace limitation
B. Performance bottleneck
C. Isolation
D. Cluster availability

2. HDFS provides HDFS data accessing through Java APIs, HTTP, or SHELL modes.(Single choice)

A. True

3. Which of the following statements about Spark SQL and Hive is incorrect?(Single choice)

D. The default execution engine of Hive is Zookeeper.

4. There are two ResourceManager in the cluster, which is used for unified resource management, scheduling, and allocation.(Single choice)

B. False

5. Which components does HBase consist of?

C. HMaster
D. RegionServer
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Rating

Number of participants 1HiCoins +1 Collapse Reasons
olive.zhao olive.zhao + 1 The first!

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wissal
MVE Created Apr 11, 2022 08:12:07

1. What are the disadvantages of the HDFS Single-NameNode Architecture?

A. Namespace limitation
B. Performance bottleneck
C. Isolation
D. Cluster availability

2. HDFS provides HDFS data accessing through Java APIs, HTTP, or SHELL modes.(Single choice)

A. True

3. Which of the following statements about Spark SQL and Hive is incorrect?(Single choice)

D. The default execution engine of Hive is Zookeeper.

4. There are two ResourceManager in the cluster, which is used for unified resource management, scheduling, and allocation.(Single choice)

B. False

5. Which components does HBase consist of?

A. Library functions
C. HMaster
D. RegionServer
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rkahya_4
Created Apr 11, 2022 08:28:26

1. What are the disadvantages of the HDFS Single-NameNode Architecture?

A. Namespace limitation
B. Performance bottleneck
C. Isolation
D. Cluster availability

2. HDFS provides HDFS data accessing through Java APIs, HTTP, or SHELL modes.(Single choice)

A. True

3. Which of the following statements about Spark SQL and Hive is incorrect?(Single choice)

D. The default execution engine of Hive is Zookeeper.

4. There are two ResourceManager in the cluster, which is used for unified resource management, scheduling, and allocation.(Single choice)

B. False

5. Which components does HBase consist of?

C. HMaster
D. RegionServer
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  • convention：
4TEch
Created Apr 11, 2022 08:35:48

1. What are the disadvantages of the HDFS Single-NameNode Architecture?

A. Namespace limitation
B. Performance bottleneck
C. Isolation
D. Cluster availability

2. HDFS provides HDFS data accessing through Java APIs, HTTP, or SHELL modes.(Single choice)

A. True

3. Which of the following statements about Spark SQL and Hive is incorrect?(Single choice)

D. The default execution engine of Hive is Zookeeper.

4. There are two ResourceManager in the cluster, which is used for unified resource management, scheduling, and allocation.(Single choice)

B. False

5. Which components does HBase consist of?

C. HMaster
D. RegionServer
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  • convention：
Pink_Panther
Created Apr 11, 2022 08:59:18

1. What are the disadvantages of the HDFS Single-NameNode Architecture?

B. Performance bottleneck
C. Isolation
D. Cluster availability

2. HDFS provides HDFS data accessing through Java APIs, HTTP, or SHELL modes.(Single choice)

A. True

3. Which of the following statements about Spark SQL and Hive is incorrect?(Single choice)

D. The default execution engine of Hive is Zookeeper.

4. There are two ResourceManager in the cluster, which is used for unified resource management, scheduling, and allocation.(Single choice)

B. False

5. Which components does HBase consist of?

A. Library functions
C. HMaster
D. RegionServer
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  • convention：
xianxian
Created Apr 11, 2022 09:00:14

1. What are the disadvantages of the HDFS Single-NameNode Architecture?

A. Namespace limitation
B. Performance bottleneck
C. Isolation

2. HDFS provides HDFS data accessing through Java APIs, HTTP, or SHELL modes.(Single choice)

A. True

3. Which of the following statements about Spark SQL and Hive is incorrect?(Single choice)

D. The default execution engine of Hive is Zookeeper.

4. There are two ResourceManager in the cluster, which is used for unified resource management, scheduling, and allocation.(Single choice)

B. False

5. Which components does HBase consist of?

A. Library functions
B. BloomFilter
C. HMaster
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  • convention：
olive.zhao
Admin Created Apr 11, 2022 09:05:10

@safarasa @Sothea_nh @Anees_1104532 @hemin88 @IndianKid @irinasivalnaya @gzzz @Popeye_Wang @Al_amery @Kashif @Kevin_Thomas @Ayeshaali @E.DR_91 @Werido @Vien @Yencao @dr.wow @taha_29four @Saqib123 @alexzcong @Saqibaz @BetterMing @V84083177 @amr_rashedy @Diego.Silva @Unicef @Zemo_Mccracken @Luiza @Jean_dong @user_4309679 @Navin_kay @pardhumeenagari @Precious @liqiang185 @Nino_Chou @Majdi.Chebil @dengdengdeng @Y_T_Z @Rumana @Cyndi.Bear @little_fish @Somemeow @Sara_Obaid @Irina @Vesper_EvenStar @Chenxintao @Fuchsia @olive.zhao @fuzi_yao @Imnh @dragos_v @Malik3000 @shakeela @umaryaqub @alopez @NTan33 @smileymind @Zahid_27 @zaheernew @LuizPuppin @www_13290524951 @wissal @Vlada85 @user_4000907 @user_4082249 @orlan_ortiz @Mohamed_Ahmed @ozan @phuta @RanaShakeel @realtm7 @Renan_Brasil @rganacim @RoxES @olutaiwo07 @safi1012 @niko_makoni @Moemyint18 @Mglsmn @KorayK. @krishnkant @Harihar_Shrestha_new @GDCP @fargat @ernesto_cupet6 @DawoodShah @azkasaqib @abood_1419 @19muaz19 @sohaib.ansar @Ihteshamraza @WalidNawar_PDAC_MVE @Faridrami @Ahmed_Osman @Adriale @Ddkompik @Fernando_Ag @HaseebAkhtar @DDSN @elena_z @Lan59 @stephen.xu @SamB @BWGARM @faysalji @Mavee @Maria.Abdullah @Funstuff @SANJ @Wala @User_MSE34_M5 @user_4237671 @user_4143437 @user_4124695 @user_4123895 @user_4000619 @user_3998471 @user_3915171 @Tongun @tesfama @ster @Sokrin @sofire @shaus @Serges_armel @scidox @sam_san @sachandio @sabahshahzad @S_Noch @RNT @RajK @rafaolla @Null_0 @nochhie @Mohamed_Ayed @minervaE @Merra @mdasilva l @MahMush @Mahedi @LucianoNhantumbo @lucian2003 @LSA @LilStylz237 @Lianet @karladu @kakuye @Gary1668 @EL.BODO @Dimon1976 @CyberTec @csk99 @Caroline_Herrera @Bitaites @bek7 @bagic @Anno7 @andersoncf1 @alfreds @Zonger


Welcome to our Learning Week!
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theBig_Cloud
Created Apr 11, 2022 09:15:13

1. What are the disadvantages of the HDFS Single-NameNode Architecture?

A. Namespace limitation
B. Performance bottleneck
C. Isolation
D. Cluster availability

2. HDFS provides HDFS data accessing through Java APIs, HTTP, or SHELL modes.(Single choice)

A. True

3. Which of the following statements about Spark SQL and Hive is incorrect?(Single choice)

D. The default execution engine of Hive is Zookeeper.

4. There are two ResourceManager in the cluster, which is used for unified resource management, scheduling, and allocation.(Single choice)

B. False

5. Which components does HBase consist of?

C. HMaster
D. RegionServer
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