Explore topic-wise MCQs in Structured Query Language (SQL).

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Structured Query Language (SQL) knowledge and support exam preparation. Choose a topic below to get started.

1.

WHICH_OF_THE_FOLLOWING_CLUSTERING_REQUIRES_MERGING_APPROACH_??$

A. Partitional
B. Hierarchical
C. Naive Bayes
D. None of the Mentioned
Answer» C. Naive Bayes
2.

WHICH_OF_THE_FOLLOWING_IS_A_WINDOWS_FAILOVER_CLUSTER_QUORUM_MODE??$

A. Node Majority
B. No Majority: Read Only
C. File Read Majority
D. None of the mentioned
Answer» B. No Majority: Read Only
3.

K-means is not deterministic and it also consist of number of iterations.$

A. True
B. False
Answer» B. False
4.

An exciting new feature in SQL Server 2014 is the support for the deployment of a Failover Cluster Instance (FCI) with :$

A. Cluster Shared Volumes (CSV)
B. In memory database
C. Column oriented database
D. All of the mentioned
Answer» B. In memory database
5.

Which of the following function is used for k-means clustering ?

A. k-means
B. k-mean
C. heatmap
D. None of the Mentioned
Answer» B. k-mean
6.

A Windows Failover Cluster can support up to _______ nodes?

A. 12
B. 14
C. 16
D. 18
Answer» D. 18
7.

Hierarchical clustering should be primarily used for exploration.

A. True
B. False
Answer» B. False
8.

Which of the the following operation requires to run SQL Server Setup on the node?

A. Add
B. Remove
C. Update
D. All of the mentioned
Answer» E.
9.

Which of the following combination is incorrect ?

A. Continuous – euclidean distance
B. Continuous – correlation similarity
C. Binary – manhattan distance
D. None of the Mentioned
Answer» E.
10.

Which of the following element is installed locally on each node of the FCI?

A. WSFC Resource Group
B. SQL Server Binaries
C. Network Name
D. Storage
Answer» C. Network Name
11.

Which of the following is required by K-means clustering ?

A. defined distance metric
B. number of clusters
C. initial guess as to cluster centroids
D. all of the Mentioned
Answer» E.
12.

The resources owned by WSFC node include:

A. Destination address
B. SQL Server Browser
C. One file share resource, if the FILESTREAM feature is installed
D. None of the mentioned
Answer» D. None of the mentioned
13.

Which of the following is finally produced by Hierarchical Clustering ?

A. final estimate of cluster centroids
B. tree showing how close things are to each other
C. assignment of each point to clusters
D. all of the Mentioned
Answer» C. assignment of each point to clusters
14.

Benefits that SQL Server failover cluster instances provide:

A. Protection at the instance level through redundancy
B. Disaster recovery solution using a multi-subnet FCI
C. Zero reconfiguration of applications and clients during failovers
D. All of the mentioned
Answer» E.
15.

Which of the following scenario prefers failover cluster instance over stand alone instance in SQL Server?

A. High Confidentiality
B. High Availability
C. High Integrity
D. None of the mentioned
Answer» C. High Integrity