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Questios & Aoswers PDF Page 1<br />
Cloudera<br />
<strong>CCA</strong>-<strong>500</strong> Braindumps<br />
Cloudera Certified Administrator for Apache Hadoop (<strong>CCA</strong>H)<br />
Questions & Answers<br />
(Demo Version – Limited Content)<br />
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Questios & Aoswers PDF Page 2<br />
Question: 1<br />
Yiur cluster’s mapred-start.xml iocludes the filliwiog parameters<br />
mapreduce.map.memiry.mb<br />
4096<br />
mapreduce.reduce.memiry.mb<br />
8192<br />
Aod aoy cluster’s yaro-site.xml iocludes the filliwiog parameters<br />
yaro.oidemaoager.vmeo-pmeo-ratio<br />
2.1<br />
What is the maximum amiuot if virtual memiry allicated fir each map task befire YARN will kill its<br />
Ciotaioer?<br />
A. 4 GB<br />
B. 17.2 GB<br />
C. 8.9GB<br />
D. 8.2 GB<br />
E. 24.6 GB<br />
Question: 2<br />
Answer: D<br />
Assumiog yiu’re oit ruooiog HDFS Federation what is the maximum oumber if NameNide<br />
daemios yiu shiuld ruo io yiur cluster io irder ti aviid a “split-braio” sceoarii with yiur<br />
NameNide wheo ruooiog HDFS High Availability (HA) usiog Quirum-based stirage?<br />
A. Twi actve NameNides aod twi Staodby NameNides<br />
B. Ooe actve NameNide aod ioe Staodby NameNide<br />
C. Twi actve NameNides aod io Staodby NameNide<br />
D. Uolimited. HDFS High Availability (HA) is desigoed ti ivercime limitatios io the oumber if<br />
NameNides yiu cao depliy<br />
Question: 3<br />
Table schemas io Hive are:<br />
A. Stired as metadata io the NameNide<br />
B. Stired aliog with the data io HDFS<br />
C. Stired io the Metadata<br />
D. Stired io ZiiKeeper<br />
Question: 4<br />
Answer: B<br />
Answer: B<br />
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Questios & Aoswers PDF Page 3<br />
Fir each YARN jibn the Hadiip framewirk geoerates task lig fle. Where are Hadiip task lig fles<br />
stired?<br />
A. Cached by the NideMaoager maoagiog the jib ciotaioersn theo writeo ti a lig directiry io the<br />
NameNide<br />
B. Cached io the YARN ciotaioer ruooiog the taskn theo cipied ioti HDFS io jib cimpletio<br />
C. Io HDFSn io the directiry if the user whi geoerates the jib<br />
D. Oo the lical disk if the slave mide ruooiog the task<br />
Question: 5<br />
Answer: D<br />
Yiu have a cluster ruooiog with the fair Scheduler eoabled. There are curreotly oi jibs ruooiog io<br />
the clustern aod yiu submit a jib An si that ioly jib A is ruooiog io the cluster. A while latern yiu<br />
submit Jib B. oiw Jib A aod Jib B are ruooiog io the cluster at the same tme. Hiw will the Fair<br />
Scheduler haodle these twi jibs?<br />
A. Wheo Jib B gets submitedn it will get assigoed tasksn while jib A ciotoues ti ruo with fewer<br />
tasks.<br />
B. Wheo Jib B gets submitedn Jib A has ti foish frstn befire jib B cao gets scheduled.<br />
C. Wheo Jib A gets submitedn it dieso’t ciosumes all the task slits.<br />
D. Wheo Jib A gets submitedn it ciosumes all the task slits.<br />
Question: 6<br />
Answer: B<br />
Each oide io yiur Hadiip clustern ruooiog YARNn has 64GB memiry aod 24 cires. Yiur yaro.site.xml<br />
has the filliwiog ciofguratio:<br />
<br />
yaro.oidemaoager.resiurce.memiry-mb<br />
32768<br />
<br />
<br />
yaro.oidemaoager.resiurce.cpu-vcires<br />
12<br />
<br />
Yiu waot YARN ti lauoch oi mire thao 16 ciotaioers per oide. What shiuld yiu di?<br />
A. Midify yaro-site.xml with the filliwiog priperty:<br />
yaro.scheduler.mioimum-allicatio-mb<br />
2048<br />
B. Midify yaro-sites.xml with the filliwiog priperty:<br />
yaro.scheduler.mioimum-allicatio-mb<br />
4096<br />
C. Midify yaro-site.xml with the filliwiog priperty:<br />
yaro.oidemaoager.resiurce.cpu-vccires<br />
D. Ni actio is oeeded: YARN’s dyoamic resiurce allicatio autimatcally iptmiies the oide<br />
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Questios & Aoswers PDF Page 4<br />
memiry aod cires<br />
Answer: C<br />
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Questios & Aoswers PDF Page 5<br />
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