Cloudera Certified Developer for Apache Hadoop (CCDH)

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Cloudera Certified Developer for Apache Hadoop (CCDH)

Where do you configure AnyConnect certificate-based authentication in ASDM?

Have your system administrator copy the JAR to all nodes in the cluster and set its location in the
HADOOP_CLASSPATH environment variable before you submit your job. ✘ Have your system administrator place the JAR file on a Web server accessible to all cluster nodes andthen set the HTTP_JAR_URL environment variable to its location. ✘ When submitting the job on the command line, specify the libjars option followed by the JAR file path. ✘ Package your code and the Apache Commands Math library into a zip file named JobJar.zip ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which protocols does the Cisco AnyConnect client use to build multiple connections to the security appliance?

6 ✘ 3 ✘ 1 ✘ 5 ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which is used by GETVPN, FlexVPN and DMVPN?

Serialize the data file, insert in it the JobConf object, and read the data into memory in the configure
method of the mapper. ✘ Place the data file in the DistributedCache and read the data into memory in the map method of themapper. ✘ Place the data file in the DataCache and read the data into memory in the configure method of themapper. ✘ Place the data file in the DistributedCache and read the data into memory in the configure method ofthe mapper. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which VPN solution is best for a collection of branch offices connected by MPLS that frequenty make VoIP calls between branches?

The values are in sorted order. ✘ The values are arbitrarily ordered, and the ordering may vary from run to run of the same MapReducejob. ✘ The values are arbitrary ordered, but multiple runs of the same MapReduce job will always have thesame ordering. ✘ Since the values come from mapper outputs, the reducers will receive contiguous sections of sortedvalues. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

In which type of environment is the Cisco ASA MPF set connection advanced-options tcp- statebypass option the most useful?

Processor and network I/O ✘ Disk I/O and network I/O ✘ Processor and RAM ✘ Processor and disk I/O ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

By default, how does the Cisco ASA authenticate itself to the Cisco ASDM users?

The default partitioner assigns key-values pairs to reduces based on an internal random number generator. ✘ The default partitioner implements a round-robin strategy, shuffling the key-value pairs to each reducerin turn. This ensures an event partition of the key space. ✘ The default partitioner computes the hash of the key. Hash values between specific ranges areassociated with different buckets, and each bucket is assigned to a specific reducer. ✘ The default partitioner computes the hash of the key and divides that valule modulo the number ofreducers. The result determines the reducer assigned to process the key-value pair. ✔ The default partitioner computes the hash of the value and takes the mod of that value with the numberof reducers. The result determines the reducer assigned to process the key-value pair. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

When will a Cisco ASA that is operating in transparent firewall mode perform a routing table lookup instead of a MAC address table lookup to determine the outgoing interface of a packet?

Increase the block size on all current files in HDFS. ✘ Increase the block size on your remaining files. ✘ Decrease the block size on your remaining files. ✘ Increase the amount of memory for the NameNode. ✔ Increase the number of disks (or size) for the NameNode. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which flag not shown in the output of the show conn command is used to indicate that an initial SYN packet is from the outside (lower security-level interface)?

There is no difference in output between the two settings. ✘ With zero reducers, no reducer runs and the job throws an exception. With one reducer, instances ofmatching patterns are stored in a single file on HDFS. ✘ With zero reducers, all instances of matching patterns are gathered together in one file on HDFS. Withone reducer, instances of matching patterns are stored in multiple files on HDFS. ✘ With zero reducers, instances of matching patterns are stored in multiple files on HDFS. With onereducer, all instances of matching patterns are gathered together in one file on HDFS. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which statement about the default ACL logging behavior of the Cisco ASA is true?

The number of values across different keys in the iterator supplied to a single reduce method call. ✘ The amount of intermediate data that must be transferred between the mapper and reducer. ✘ The number of input files a mapper must process. ✘ The number of output files a reducer must produce. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

Which Cisco ASA feature enables the ASA to do these two things? 1) Act as a proxy for the server and generate a SYN-ACK response to the client SYN request. 2) When the Cisco ASA receives an ACK back from the client, the Cisco ASA authenticates the client and allows the connection to the server.

It depends on the number of reduces in the job. ✘ Between 500 and 1000. ✘ At most 500. ✘ At least 500. ✔ Exactly 500. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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