Engineering Questions with Answers - Multiple Choice Questions
MCQs on Hama with Hadoop – 1
1 - Question
How many types of modes are present in Hama?
a) 2
b) 3
c) 4
d) 5
View Answer
Answer: b
Explanation: Just like Hadoop, Hama has distinct between three modes.
2 - Question
Point out the correct statement.
a) In local mode, nothing must be launched via the start scripts
b) Distributed Mode is just like the “Pseudo Distributed Mode”
c) Apache Hama is one of the under-hyped projects in the Hadoop ecosystem
d) All of the mentioned
View Answer
Answer: b
Explanation: You can adjust the number of threads used in this utility by setting the bsp.local.tasks.maximum property.
3 - Question
__________ is the default mode if you download Hama.
a) Local Mode
b) Pseudo Distributed Mode
c) Distributed Mode
d) All of the mentioned
View Answer
Answer: a
Explanation: This mode can be configured via the bsp.master.address property to local.
4 - Question
_________ mode is used when you just have a single server and want to launch all the daemon processes.
a) Local Mode
b) Pseudo Distributed Mode
c) Distributed Mode
d) All of the mentioned
View Answer
Answer: b
Explanation: Pseudo Distributed Mode can be configured when you set the bsp.master.address to a host address.
5 - Question
Point out the wrong statement.
a) Apache Hama is not a pure Bulk Synchronous Parallel Engine
b) Hama uses the Hadoop Core for RPC calls
c) Apache Hama is optimized for massive scientific computations such as matrix, graph and network algorithms
d) Hama is a relatively newer project than Hadoop
View Answer
Answer: a
Explanation: Apache Hama is not a pure BSP.
6 - Question
Distributed Mode are mapped in the __________ file.
a) groomservers
b) grervers
c) grsvers
d) groom
View Answer
Answer: a
Explanation: Distributed Mode is used when you have multiple machines.
7 - Question
The web UI provides information about ________ job statistics of the Hama cluster.
a) MPP
b) BSP
c) USP
d) ISP
View Answer
Answer: b
Explanation: Running/completed/Failed jobs is detailed in UI interface.
8 - Question
Apache Hama provides complete clone of _________
a) Pragmatic
b) Pregel
c) ServePreg
d) All of the mentioned
View Answer
Answer: b
Explanation: Pregel is used for large processing of graphs.
9 - Question
A __________ in a social graph is a group of people who interact frequently with each other and less frequently with others.
a) semi-cluster
b) partial cluster
c) full cluster
d) none of the mentioned
View Answer
Answer: a
Explanation: semi-cluster is different from ordinary clustering in the sense that a vertex may belong to more than one semi-cluster.
10 - Question
Which of the following apache project is gaining a lot of traction steadily with the efforts of its committers?
a) Hama
b) Hadoop
c) Hive
d) Pig
View Answer
Answer: a
Explanation: HAMA is a distributed framework on Hadoop for massive matrix algorithms.