.A ________ node acts as the Slave and is responsible for executing a Task assigned to it by the JobTracker. a) MapReduce b) Mapper c) TaskTracker d) JobTracker

.A ________ node acts as the Slave and is responsible for executing a Task
assigned to it by the JobTracker.
a) MapReduce
b) Mapper
c) TaskTracker
d) JobTracker
by

1 Answer

Answer :

TaskTracker
by

Related questions

.A ________ node acts as the Slave and is responsible for executing a Task assigned to it by the JobTracker. a) MapReduce b) Mapper c) TaskTracker d) JobTracker

Description : .A ________ node acts as the Slave and is responsible for executing a Task assigned to it by the JobTracker. a) MapReduce b) Mapper c) TaskTracker d) JobTracker

Last Answer : TaskTracker

MapReduce engine has a master/slave architecture consisting of a single ______ as the master and a number of _______ as the slaves a) Name Node, Data Node b) JobTracker, TaskTrackers c) TaskTrackers, JobTracker d) Data Node, Name Node

Description : MapReduce engine has a master/slave architecture consisting of a single ______ as the master and a number of _______ as the slaves a) Name Node, Data Node b) JobTracker, TaskTrackers c) TaskTrackers, JobTracker d) Data Node, Name Node

Last Answer : JobTracker, TaskTrackers

The process of the JobTracker creates one map task for each computed input split by the user node and assigns the map tasks to the execution slots of the TaskTrackers is called as a) Task Execution b) Task Running Check c) Job Submission d) Task Assignment

Description : The process of the JobTracker creates one map task for each computed input split by the user node and assigns the map tasks to the execution slots of the TaskTrackers is called as a) Task Execution b) Task Running Check c) Job Submission d) Task Assignment

Last Answer : Task Assignment

Point out the wrong statement. a) A MapReduce job usually splits the input data-set into independent chunks which are processed by the map tasks in a completely parallel manner b) The MapReduce framework operates exclusively on <key, value> pairs c) Applications typically implement the Mapper and Reducer interfaces toprovide the map and reduce methods d) None of the mentioned

Description : Point out the wrong statement. a) A MapReduce job usually splits the input data-set into independent chunks which are processed by the map tasks in a completely parallel manner b) The ... implement the Mapper and Reducer interfaces toprovide the map and reduce methods d) None of the mentioned

Last Answer : None of the mentioned

The Hadoop MapReduce framework spawns one map task for each __________ generated by the InputFormat for the job. a) OutputSplit b) InputSplit c) InputSplitStream d) All of the mentioned

Description : The Hadoop MapReduce framework spawns one map task for each __________ generated by the InputFormat for the job. a) OutputSplit b) InputSplit c) InputSplitStream d) All of the mentioned

Last Answer : ) InputSplit

________ is a utility which allows users to create and run jobs with any executables as the mapper and/or the reducer. a) Hadoop Strdata b) Hadoop Streaming c) Hadoop Stream d) None of the mentioned

Description : ________ is a utility which allows users to create and run jobs with any executables as the mapper and/or the reducer. a) Hadoop Strdata b) Hadoop Streaming c) Hadoop Stream d) None of the mentioned

Last Answer : Hadoop Streaming

________ is a utility which allows users to create and run jobs with any executables as the mapper and/or the reducer. a) Hadoop Strdata b) Hadoop Streaming c) Hadoop Stream d) None of the mentioned

Description : ________ is a utility which allows users to create and run jobs with any executables as the mapper and/or the reducer. a) Hadoop Strdata b) Hadoop Streaming c) Hadoop Stream d) None of the mentioned

Last Answer : Hadoop Streaming

Above the file systems comes the ________ engine, which consists of one Job Tracker, to which client applications submit MapReduce jobs. a) MapReduce b) Google c) Functional programming d) Facebook

Description : Above the file systems comes the ________ engine, which consists of one Job Tracker, to which client applications submit MapReduce jobs. a) MapReduce b) Google c) Functional programming d) Facebook

Last Answer : MapReduce

Which one of the following statements is false regarding the Distributed Cache? a) The Hadoop framework will ensure that any files in the Distributed Cache are distributed to all map and reduce tasks. b) The files in the cache can be text files, or they can be archive files like zip and JAR files. c) Disk I/O is avoided because data in the cache is stored in memory. d) The Hadoop framework will copy the files in the Distributed Cache on to the slave node before any tasks for the job are executed on that node.

Description : Which one of the following statements is false regarding the Distributed Cache? a) The Hadoop framework will ensure that any files in the Distributed Cache are distributed to all map and reduce tasks. b) ... Cache on to the slave node before any tasks for the job are executed on that node.

Last Answer : MapReduce tries to place the data and the compute as close as possible

Point out the wrong statement. a) The Mapper outputs are sorted and then partitioned per Reducer b) The total number of partitions is the same as the number of reduce tasks for the job c) The intermediate, sorted outputs are always stored in a simple (key-len, key, value-len, value) format d) None of the mentioned

Description : Point out the wrong statement. a) The Mapper outputs are sorted and then partitioned per Reducer b) The total number of partitions is the same as the number of reduce tasks for the job c) The intermediate, ... always stored in a simple (key-len, key, value-len, value) format d) None of the mentioned

Last Answer : None of the mentioned

Point out the correct statement. a) Mapper maps input key/value pairs to a set of intermediate key/value pairs b) Applications typically implement the Mapper and Reducer interfaces to provide the map and reduce methods c) Mapper and Reducer interfaces form the core of the job d) None of the mentioned

Description : Point out the correct statement. a) Mapper maps input key/value pairs to a set of intermediate key/value pairs b) Applications typically implement the Mapper and Reducer interfaces to provide the map and ... methods c) Mapper and Reducer interfaces form the core of the job d) None of the mentioned

Last Answer : None of the mentioned

The Mapper implementation processes one CSE-R17.BLOGSPOT.COM line at a time via _________ methoda) map b) reduce c) mapper d) reducer.

Description : The Mapper implementation processes one CSE-R17.BLOGSPOT.COM line at a time via _________ method.a) map b) reduce c) mapper d) reducer

Last Answer : map

Point out the correct statement. a) Hadoop is an ideal environment for extracting and transforming small volumes of data b) Hadoop stores data in HDFS and supports data compression/decompression c) The Giraph framework is less useful than a MapReduce job to solve graph and machine learning d) None of the mentioned

Description : Point out the correct statement. a) Hadoop is an ideal environment for extracting and transforming small volumes of data b) Hadoop stores data in HDFS and supports data compression/decompression c) The ... less useful than a MapReduce job to solve graph and machine learning d) None of the mentioned

Last Answer : Hadoop stores data in HDFS and supports data compression/decompression

Which of the following is built on top of a Hadoop framework using the Elastic Compute Cloud? a) Amazon Elastic MapReduce b) Amazon Mechanical Turkc) Amazon DevPay d) Multi-Factor Authentication

Description : Which of the following is built on top of a Hadoop framework using the Elastic Compute Cloud? a) Amazon Elastic MapReduce b) Amazon Mechanical Turkc) Amazon DevPay d) Multi-Factor Authentication

Last Answer : Amazon Elastic MapReduce

Which of the following is a means for accessing human researchers or consultants to help solve problems on a contractual or temporary basis? a) Amazon Elastic MapReduce b) Amazon Mechanical Turk c) Amazon DevPay d) Multi-Factor Authentication

Description : Which of the following is a means for accessing human researchers or consultants to help solve problems on a contractual or temporary basis? a) Amazon Elastic MapReduce b) Amazon Mechanical Turk c) Amazon DevPay d) Multi-Factor Authentication

Last Answer : Amazon Mechanical Turk

Which of the following is a billing and account management service? a) Amazon Elastic MapReduce b) Amazon Mechanical Turk c) Amazon DevPay d) Multi-Factor Authentication

Description : Which of the following is a billing and account management service? a) Amazon Elastic MapReduce b) Amazon Mechanical Turk c) Amazon DevPay d) Multi-Factor Authentication

Last Answer : Amazon DevPay

Point out the correct statement. a) Hadoop is an ideal environment for extracting and transforming small volumes of data b) Hadoop stores data in HDFS and supports data compression/decompression c) The Giraph framework is less useful than a MapReduce job to solve graph and machine learning d) None of the mentioned

Description : Point out the correct statement. a) Hadoop is an ideal environment for extracting and transforming small volumes of data b) Hadoop stores data in HDFS and supports data compression/decompression c) The ... useful than a MapReduce job to solve graph and machine learning d) None of the mentioned

Last Answer : Hadoop stores data in HDFS and supports data compression/decompression

Point out the correct statement. a) Hadoop is an ideal environment for extracting and transforming small volumes of data b) Hadoop stores data in HDFS and supports data compression/decompression c) The Giraph framework is less useful than a MapReduce job to solve graph and machine learning d) None of the mentioned

Description : Point out the correct statement. a) Hadoop is an ideal environment for extracting and transforming small volumes of data b) Hadoop stores data in HDFS and supports data compression/decompression c) The ... useful than a MapReduce job to solve graph and machine learning d) None of the mentioned

Last Answer : Hadoop stores data in HDFS and supports data compression/decompression

The building blocks of Google’s App Engine architecture comprises of a) GFS, MapReduce, Chubby, BigTable b) GFS, Scheduler, Chubby, BigTable c) GFS, MapReduce, Chunk Server, BigTable d) Scheduler, MapReduce, Chubby, Chunk Server

Description : The building blocks of Google’s App Engine architecture comprises of a) GFS, MapReduce, Chubby, BigTable b) GFS, Scheduler, Chubby, BigTable c) GFS, MapReduce, Chunk Server, BigTable d) Scheduler, MapReduce, Chubby, Chunk Server

Last Answer : GFS, MapReduce, Chubby, BigTable

Which one of the following statements is true regarding <key,value> pairs of a MapReduce job? a)A key class must implement Writable. b)A key class must implement WritableComparable. c)A value class must implement WritableComparable. d)A value class must extend WritableComparable.

Description : Which one of the following statements is true regarding pairs of a MapReduce job? a)A key class must implement Writable. b)A key class must implement WritableComparable. c)A value class must implement WritableComparable. d)A value class must extend WritableComparable.

Last Answer : A key class must implement WritableComparable.

In a Hadoop cluster, what is true for a HDFS block that is no longer available due to disk corruption or machine failure? a)It is lost for ever b)It can be replicated form its alternative locations to other live machines. c)The namenode allows new client request to keep trying to read it. d)The Mapreduce job process runs ignoring the block and the data stored in it.

Description : In a Hadoop cluster, what is true for a HDFS block that is no longer available due to disk corruption or machine failure? a)It is lost for ever b)It can be replicated form its alternative locations ... to read it. d)The Mapreduce job process runs ignoring the block and the data stored in it.

Last Answer : It can be replicated form its alternative locations to other live machines.

The topmost layer of Hadoop is the _________ engine a) HDFS b) Cluster c) MapReduce d) Job Tracker

Description : The topmost layer of Hadoop is the _________ engine a) HDFS b) Cluster c) MapReduce d) Job Tracker

Last Answer : MapReduce

_______ in GAE provides coarse-grained locking service a) Bigtable b) Chubby c) MapReduce d) GFS

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Last Answer : Chubby

_________ is a web programming model for scalable data processing on large clusters over large data sets a) MapReduce b) HDFS c) GFS d) DFS

Description : _________ is a web programming model for scalable data processing on large clusters over large data sets a) MapReduce b) HDFS c) GFS d) DFS

Last Answer : MapReduce

In which of the following stages are project objectives established, teams formed, and major responsibilities assigned? A. Conceptualizing B. Defining (Ans.) C. Planning D. Executing

Description : In which of the following stages are project objectives established, teams formed, and  major responsibilities assigned?  A. Conceptualizing  B. Defining (Ans.) C. Planning  D. Executing

Last Answer : B. Defining (Ans.)

In ________ routing, we assume that there is one node (or more) ineach autonomous system that acts on behalf of the entire autonomous system. A) distant vector B) path vector C) link state D) none of the above

Description : In ________ routing, we assume that there is one node (or more) ineach autonomous system that acts on behalf of the entire autonomous system. A) distant vector B) path vector C) link state D) none of the above

Last Answer : path vector

Point out the correct statement. a) A client can request access to a cloud service from any location b) A cloud has multiple application instances and directs requests to an instance based on conditions c) Computers can be partitioned into a set of virtual machines with each machine being assigned a workload d) All of the mentioned

Description : Point out the correct statement. a) A client can request access to a cloud service from any location b) A cloud has multiple application instances and directs requests to an instance based on ... a set of virtual machines with each machine being assigned a workload d) All of the mentioned

Last Answer : All of the mentioned

Point out the wrong statement. a) Abstraction enables the key benefit of cloud computing: shared, ubiquitous access b) Virtualization assigns a logical name for a physical resource and then provides a pointer to that physical resource when a request is made c) All cloud computing applications combine their resources into pools that can be assigned on demand to users d) All of the mentioned

Description : Point out the wrong statement. a) Abstraction enables the key benefit of cloud computing: shared, ubiquitous access b) Virtualization assigns a logical name for a physical resource and then provides a ... their resources into pools that can be assigned on demand to users d) All of the mentioned

Last Answer : All cloud computing applications combine their resources into pools that can be assigned on demand to users

Point out the wrong statement. a) Distributed transaction systems such as internetworks or cloud computing systems magnify the difficulties faced by identity management systems b) Services that provide digital identity management as a service have been part of internetworked systems from Day One c) IDaaS Server establishes the identity of a domain as belonging to a set of assigned addresses d) None of the mentioned

Description : Point out the wrong statement. a) Distributed transaction systems such as internetworks or cloud computing systems magnify the difficulties faced by identity management systems b) Services that provide digital ... a domain as belonging to a set of assigned addresses d) None of the mentioned

Last Answer : IDaaS Server establishes the identity of a domain as belonging to a set of assigned addresses

Point out the correct statement. a) Virtual machines are containers that are assigned specific resources b) Applications need not be mindful of how they use cloud resources c) When a developer creates an application that uses a cloud service, the developer cannot attach to the appropriate service d) All of the mentioned

Description : Point out the correct statement. a) Virtual machines are containers that are assigned specific resources b) Applications need not be mindful of how they use cloud resources c) When a developer ... a cloud service, the developer cannot attach to the appropriate service d) All of the mentioned

Last Answer : Virtual machines are containers that are assigned specific resources

Point out the correct statement. a) A client can request access to a cloud service from any location b) A cloud has multiple application instances and directs requests to an instance based on conditions c) Computers can be partitioned into a set of virtual machines with each machine being assigned a workload d) All of the mentioned

Description : Point out the correct statement. a) A client can request access to a cloud service from any location b) A cloud has multiple application instances and directs requests to an instance based on ... a set of virtual machines with each machine being assigned a workload d) All of the mentioned

Last Answer : All of the mentioned

Point out the wrong statement. a) Abstraction enables the key benefit of cloud computing: shared, ubiquitous access b) Virtualization assigns a logical name for a physical resource and then provides a pointer to that physical resource when a request is made c) All cloud computing applications combine their resources into pools that can be assigned on demand to users d) All of the mentioned

Description : Point out the wrong statement. a) Abstraction enables the key benefit of cloud computing: shared, ubiquitous access b) Virtualization assigns a logical name for a physical resource and then provides a ... their resources into pools that can be assigned on demand to users d) All of the mentioned

Last Answer : All cloud computing applications combine their resources into pools that can be assigned on demand to users

Point out the correct statement. a) Virtual machines are containers that are assigned specific resources b) Applications need not be mindful of how they use cloud resources c) When a developer creates an application that uses a cloud service, the developercannot attach to the appropriate service d) All of the mentioned

Description : Point out the correct statement. a) Virtual machines are containers that are assigned specific resources b) Applications need not be mindful of how they use cloud resources c) When a developer ... uses a cloud service, the developercannot attach to the appropriate service d) All of the mentioned

Last Answer : Virtual machines are containers that are assigned specific resources

Point out the correct statement. a) A client can request access to a cloud service from any location b) A cloud has multiple application instances and directs requests to an instance based on conditions c) Computers can be partitioned into a set of virtual machines with each machine being assigned a workload d) All of the mentioned

Description : Point out the correct statement. a) A client can request access to a cloud service from any location b) A cloud has multiple application instances and directs requests to an instance based on ... a set of virtual machines with each machine being assigned a workload d) All of the mentioned

Last Answer : All of the mentioned

Point out the wrong statement. a) Abstraction enables the key benefit of cloud computing: shared, ubiquitous access b) Virtualization assigns a logical name for a physical resource and then provides a pointer to that physical resource when a request is made c) All cloud computing applications combine their resources into pools that can be assigned on demand to users d) All of the mentioned

Description : Point out the wrong statement. a) Abstraction enables the key benefit of cloud computing: shared, ubiquitous access b) Virtualization assigns a logical name for a physical resource and then provides a ... their resources into pools that can be assigned on demand to users d) All of the mentioned

Last Answer : All cloud computing applications combine their resources into pools that can be assigned on demand to users

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Description : In the case of classesToBeBound, the classes assigned to this property, indicate the class (i.e., object) structure that is to be transformed into XML. a) True b) False

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Point out the correct statement. a) A client can request access to a cloud service from any location b) A cloud has multiple application instances and directs requests to an instance based on conditions c) Computers can be partitioned into a set of virtual machines with each machine being assigned a workload d) All of the mentioned

Description : Point out the correct statement. a) A client can request access to a cloud service from any location b) A cloud has multiple application instances and directs requests to an instance based on ... a set of virtual machines with each machine being assigned a workload d) All of the mentioned

Last Answer : All of the mentioned

Point out the wrong statement. a) Abstraction enables the key benefit of cloud computing: shared, ubiquitous access b) Virtualization assigns a logical name for a physical resource and then provides a pointer to that physical resource when a request is made c) All cloud computing applications combine their resources into pools that can be assigned on demand to users d) All of the mentioned

Description : Point out the wrong statement. a) Abstraction enables the key benefit of cloud computing: shared, ubiquitous access b) Virtualization assigns a logical name for a physical resource and then provides a ... their resources into pools that can be assigned on demand to users d) All of the mentioned

Last Answer : All cloud computing applications combine their resources into pools that can be assigned on demand to users

Network layer at source is responsible for creating a packet from data coming from another ________ a) Station b) Link c) Node d) Protocol

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The right level of parallelism for maps seems to be around _________ maps per- node. a) 1-10 b) 10-100 c) 100-150 d) 150-200

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The usual BUS structure used to connect the I/O devices is ___________ a) Star BUS structure b) Multiple BUS structure c) Single BUS structure d) Node to Node BUS structure

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In Replica placement how the three copies of data were stored? a) stores tworeplicas in the same node, one replica on a different node in the same rack b) stores one replica in the same node, two replicas on a different node but in the same rack c) stores one replica in the same node, one replica on a different node but in the same rack, one replica on a different node in a different rack d) stores one replica in the same node, two replicas on a different node in a different rack

Description : In Replica placement how the three copies of data were stored? a) stores tworeplicas in the same node, one replica on a different node in the same rack b) stores one replica in the same node, two ... d) stores one replica in the same node, two replicas on a different node in a different rack

Last Answer : stores one replica in the same node, one replica on a different node but in the same rack, one replica on a different node in a different rack

The comman used to copy a directory form one node to another in HDFS is a) rcp b) dcp c) drcp d) distcp

Description : The comman used to copy a directory form one node to another in HDFS is a) rcp b) dcp c) drcp d) distcp

Last Answer : distcp

The Master of the HDFS Architecture is a) Node Manager b) Data Node c) Name Node d) None of the above

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What is true about Grid Computing? A. breaks complex task into smaller pieces B. combine smaller task into complex task C. subscription tier play vital role in Grid Computing D. Both A and B

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Which of the following protocol is not an Internet Engineering Task Force standard? a) SIP b) SIMPLE c) XMPP d) IMPS

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The output of the reduce task is typically written to the FileSystem via _____________ a) OutputCollector.collect b) OutputCollector.get c) OutputCollector.receive d) OutputCollector.put

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Which of the following is a repeatable task within a business process? a) service b) bus c) methods d) all of the mentioned

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Which of the following is a repeatable task within a business process? a) service b) bus c) methods d) all of the mentioned

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