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Programming Portal Solution
You will find all Programming Portal MCQs whose solution is updated by Ritu Nagar
Q. Which of these handles the exception when no catch is used?
Q. Which keyword is used to specify the exception thrown by method?
Q. Which of these is a super class of wrappers Long, Character & Integer?
Q. Which of these class can encapsulate an entire executing program?
Q. Which of these classes is not included in java.lang?
Q. In Java, can an interface have private methods with implementations?
Q. In Java, can an abstract class have default methods with implementations?
Q. Which of these package provides the ability to read and write in Zip format?
Q. Which system property stores installation directory of JRE?
Q. What is the purpose of method overloading in Java?
Q. Which of these is correct about passing an argument by call-by-value process?
Q. What is the purpose of the "implements" keyword in Java?
Q. What is the purpose of an abstract class in Java?
Q. What is the correct syntax to call a method named "myMethod" from an object "myObject"?
Q. What is a constructor in Java?
Q. Which method is called when an object is garbage collected in Java?
Q. What is true about private constructor?
Q. Abstract class cannot have a constructor.
Q. What is the order of precedence (highest to lowest) of following operators? 1. & 2. ^ 3. ?:
Q. What will be the output of the following Java program?
Q. In Java, what is the result of the expression "Hello".substring(1, 4)?
Q. How do you find the index of the last occurrence of a substring in a string in Java?
Q. How do you declare a one-dimensional array in Java?
Q. Which data type is used to store floating-point numbers with single precision in Java?
Q. What is the default value of a boolean variable in Java if it's not explicitly initialized?
Q. The logging option to enable binary log index file is . . . . . . . .
Q. Which type can store a collection of objects of any type?
Q. The system variable 'system_time_zone' can be reset at runtime.
Q. Which of these can be used to generate hash values?
Q. The number of tables for which DELAYED works is . . . . . . . . MyISAM, MEMORY, ARCHIVE, BLACKHOLE
Q. Using indexes optimizes query performance.
Q. In the CREATE TABLE statement, the engine name specified is case insensitive.
Q. Installing more memory into the machine enables to configure larger values for cache server.
Q. What cannot be done on a view?
Q. Which data type is used to store data and time in Mysql?
Q. The TLS protocol is . . . . . . . .
Q. "SELECT" clause cannot be used without which clause in Mysql?
Q. How can we define the clause "FROM" in Mysql?
Q. What sets the association between one or more MyISAM tables and the named key cache?
Q. The return value from operations returning a row count is . . . . . . . .
Q. What does the default case sensitivity of database and table names depend on?
Q. Which data type is best suited to store currency values?
Q. Which keyword in the UPDATE statement is used to assign values to columns?
Q. To how many of these does the LOW_PRIORITY modifier apply to? DELETE, INSERT, LOAD DATA, REPLACE
Q. What is abc in the following MySQL statement? CREATE VIEW xyz (abc) AS SELECT a FROM t;
Q. MySQL supports shared-memory connections on Windows.
Q. When building from source, the embedded server library is enabled by what?
Q. Which of these return a result to the client?
Q. The maximum non zero value for FLOAT is . . . . . . . .
Q. Which data type is more suitable for storing "small notes" in Mysql?
Q. Functions are called and pointers to structures are used while using DBI API.
Q. What can be used to check for views that have been invalidated by DROP or ALTER operations?
Q. Which among the following operators is/are belongs to "Inequality conditions"?
Q. What is the meaning of "GROUP BY" clause in Mysql?
Q. Fill the blanks with suitable options? BETWEEN . . . . . . . . AND . . . . . . . .
Q. REPAIR TABLE works with how many of the following? MyISAM, ARCHIVE, CSV
Q. Multiple MySQL servers can be run on the same machine.
Q. The string function that returns the index of the first occurrence of substring is . . . . . . . .
Q. The number of values that can be returned from a given stored function is . . . . . . . .
Q. OS imposes per process limits on the number of open file descriptors.
Q. Microsoft Office is an office suite, for the
Q. What does the term "NiFi Registry" refer to in the context of Apache NiFi?
Q. In NiFi, what is the purpose of the "InvokeHTTP" processor?
Q. In NiFi, what is the function of the "LookupAttribute" processor?
Q. In NiFi, what is the primary purpose of the "DetectDeadLetter" processor?
Q. In NiFi, what is the significance of the "ListSFTP" processor?
Q. How does Hadoop support encryption at rest for data stored in HDFS?
Q. How can you secure the communication between nodes in a Hadoop cluster using IPsec?
Q. How does Hadoop's Knox Gateway enhance security in a Hadoop cluster?
Q. How can Hadoop mitigate the risk of a Man-in-the-Middle (MITM) attack during data transmission?
Q. How does Hadoop's HDFS Trash feature contribute to security?
Q. Point out the wrong statement.
Q. Lucene index size is roughly . . . . . . . . the size of text indexed.
Q. How many types of modes are present in Hama?
Q. . . . . . . . . transport writes to a file.
Q. In HBase, what is the purpose of the HBase Compaction process?
Q. What is the significance of the HBase Snapshot Isolation feature?
Q. What is the purpose of the HBase MultiDatacenter Replication feature?
Q. In HBase, what is the purpose of the HBase Replication feature?
Q. What is the role of the HBase Load Balancer in HBase architecture?
Q. What is the significance of the Oozie Kill node in a workflow?
Q. Which of the following project will create an SOA services framework?
Q. In Hive, what is the purpose of the JOIN statement?
Q. Point out the correct statement.
Q. Hive uses . . . . . . . . style escaping within the strings.
Q. Which of the following operator executes a shell command from the Hive shell?
Q. Which of the following will remove the resource(s) from the distributed cache?
Q. hiveconf variables are set as normal by using the following statement?
Q. The files that are written by the . . . . . . . . job are valid Avro files.
Q. Hive does not support literals for . . . . . . . . types.
Q. Hive uses . . . . . . . . for logging.
Q. What is the primary function of the Hadoop MultipleOutputs class?
Q. What is the purpose of the Hadoop CombineFileInputFormat?
Q. . . . . . . . . instances are encoded using the number of bytes declared in the schema.
Q. Which of the following will compile the Pigunit?
Q. What is the primary role of the Hadoop TaskTracker in a Hadoop cluster?
Q. What is the primary function of Apache Flume in Hadoop?
Q. Point out the wrong statement.
Q. A . . . . . . . . determines which data centers and racks nodes belong to it.
Q. Point out the correct statement.
Q. In a MapReduce application, what is the purpose of the Hadoop OutputFormat?
Q. In a MapReduce job, what does the term "Combiner" represent?
Q. In a MapReduce program, what is the purpose of the Hadoop Configuration object?
Q. What is the function of the Hadoop Mapper.Context in a MapReduce application?
Q. What is the role of the Hadoop TaskInputOutputContext in a MapReduce job?
Q. Jobs can enable task JVMs to be reused by specifying the job configuration . . . . . . . .
Q. Which of the following parameter is the threshold for the accounting and serialization buffers?
Q. Point out the wrong statement.
Q. Which of the following class provides a subset of features provided by the Unix/GNU Sort?
Q. In Hadoop, what is the purpose of the ResourceManager in YARN?
Q. What is the primary function of Apache ZooKeeper in Hadoop?
Q. What is the role of the Hadoop Secondary NameNode in HDFS?
Q. In advanced MapReduce, what is the primary purpose of the Hadoop MapReduce "OutputCommitter"?
Q. . . . . . . . . checks whether the given key is deprecated.
Q. . . . . . . . . is used to store temporary data by programmers.
Q. Who displays the list of projects contained in current solution?
Q. Text that cannot be changed by the user is termed as . . . . . . . . text.
Q. What will be the output of the following Visual Basic code?
Q. In the following Visual Basic code, what will be in msg, if str contains "ik"?
Q. frame is used to differentiate the one radio button group to another radio button group.
Q. Which is an easier alternative of multiple-alternative selection structure?
Q. Passing a variable's address is referred to as . . . . . . . .
Q. Each menu element is considered as . . . . . . . .
Q. single dimensional array requires one indexes to identify a particular element.
Q. A control's KeyPress event occurs every time . . . . . . . .
Q. Which option is used to close the Solution?
Q. The . . . . . . . . is an abbreviation of the term sub procedure.
Q. . . . . . . . . is a counter-controlled loop.
Q. Checkbox in an interface is labeled using . . . . . . . . property.
Q. The requirement for not repeating the instructions is referred to as the . . . . . . . .
Q. What will be the output of the following Visual Basic code?
Q. A . . . . . . . . occurs when you break the rules of the language.
Q. What is used to add a Label control to a form?
Q. . . . . . . . . means to assign a beginning value to the counter or accumulator.
Q. . . . . . . . . is the process of finding & removing errors.
Q. Passing a copy of the variable is referred to as . . . . . . . .
Q. . . . . . . . . argument in the Substring syntax specifies number of characters you want to access.
Q. Which of the following is false?
Q. What will be the content of num, after code execution; if before code execution num has value 200?
Q. . . . . . . . . this control is use to display the images
Q. Which of the following statements is false?
Q. ADO is ActiveX-based, it can not work in different platforms and different programming languages.
Q. . . . . . . . . and . . . . . . . . methods are used to align characters in a String.
Q. The . . . . . . . . statement in pseudocode acts like loop.
Q. A button's caption is entered using . . . . . . . .
Q. . . . . . . . . is the default Visual Basic data type
Q. . . . . . . . . Displays a list of items from which a user can select one.
Q. To include an image on the form we use which toolbox?
Q. 'e' parameter's . . . . . . . . property is used to determine the pressed key.