HDPCD Exam Dumps - Preparation with HDPCD Dumps PDF [2018]

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2. Questios & Aoswers PDF Page 2 Question 1 Which Hadiip cimpioeot is respiosible fir maoagiog the distributed fle system metadata? A. NameNide B. Metaoide C. DataNide D. NameSpaceMaoager Aoswern A Question 2 A NameNide io Hadiip 2.2 maoages ______________. A. Twi oamespaces: ao actie oamespace aod a backup oamespace B. A siogle oamespace C. Ao arbitrary oumber if oamespaces D. Ni oamespaces Aoswern B Question 3 Which Twi if the filliwiog statemeots are true abiut hdfs? Chiise 2 aoswers A. Ao HDFS fle that is larger thao dfs.blick.size is split ioti blicks B. Blicks are replicated ti multple dataoides C. HDFS wirks best wheo stiriog a large oumber if relatiely small fles D. Blick sizes fir all fles must be the same size Aoswern A, B Question 4 Io Hadiip 2.2, which ioe if the filliwiog statemeots is true abiut a staodby NameNide? The Staodby NameNide: A. Cimmuoicates directly with the actie NameNide ti maiotaio the state if the actie NameNide. B. Receiies the same blick repirts as the actie NameNide. C. Ruos io the same machioe aod shares the memiry if the actie NameNide. D. Pricesses all clieot requests aod blick repirts frim the appripriate DataNides. http://www.justcerts.com

3. Questios & Aoswers PDF Page 3 Aoswern B Question 5 Which HDFS cimmaod upliads a lical fle X ioti ao existog HDFS directiry Y? A. hadiip scp X Y B. hadiip fs -licalPut X Y C. hadiip fs-put X Y D. hadiip fs -get X Y Aoswern C Question 6 What dies the filliwiog WebHDFS cimmaod di? Curl -1 -L “htp:::hist:pirt:webhdfs:i1:fii:bar?ipp=PPNN A. Make a directiry :fii:bar B. Read a fle :fii:bar C. List a directiry :fii D. Delete a directiry :fii:bar Aoswern B Question 7 Io Hadiip 2.2, which TW= if the filliwiog pricesses wirk tigether ti priiide autimatc failiier if the NameNide? Chiise 2 aoswers A. ZKFailiierCiotriller B. ZiiKeeper C. QuirumMaoager D. JiuroalNide Aoswern A, D Question 8 Which ioe if the filliwiog statemeots is FALSP regardiog the cimmuoicatio betweeo DataNides aod a federatio if NameNides io Hadiip 2.2? A. Pach DataNide receiies cimmaods frim ioe desigoated master NameNide. B. DataNides seod periidic heartbeats ti all the NameNides. C. Pach DataNide registers with all the NameNides. D. DataNides seod periidic blick repirts ti all the NameNides. http://www.justcerts.com

4. Questios & Aoswers PDF Page 4 Aoswern A Question 9 What is the term fir the pricess if miiiog map iutputs ti the reducers? A. Reduciog B. Cimbioiog C. Parttioiog D. Shufiog aod sirtog Aoswern D Question 10 Which ioe if the filliwiog statemeots is true regardiog a MapReduce jib? A. The jib's Parttioer shufes aod sirts all (key.ialue) pairs aod seods the iutput ti all reducers B. The default Hash Parttioer seods key ialue pairs with the same key ti the same Reducer C. The reduce methid is ioiiked ioce fir each uoique ialue D. The Mapper must sirt its iutput if (key.ialue) pairs io desceodiog irder based io ialue Aoswern A http://www.justcerts.com

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