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System Administration and Maintenance

The deployment and maintenance of modern computer systems, and emphasis on the user administration. It includes an overview of basic administrative tasks.

host configuration

microsoft windows

windows server

customer problems

pre-delivery models

transition maintenance

information technology

A requirement that specifies an external item with which a system or system component must interact, or sets forth constraints on formats, timing, or other factors caused by such an interaction.

  • Interface Requirement
  • Institute of Electrical and Electronic Engineers

A sequence of instructions that may be performed in the execution of a computer program.

  • path
  • hall

Can we directly compile codes from notepad?

  • Yes, Because we can call Java compiler from notepad
  • No, We can only write codes in Notepad
  • No correct answer
  • It depends, if there is a compiler embedded in Notepad.

Which of the following is a valid statement to accept String input?

  • string str = scan.nextShort();
  • String str = JOptionPane.showInputDialog("");
  • String num = scan.nextText();
  • None of the choices
  • String str = scan.nextString();

Activities such as adjusting, cleaning, modifying, overhauling equipment to assure performance in accordance with requirements.

  • work
  • maintenance

What is the input for Java Compiler?

  • Byte Code
  • Native Code
  • Code
  • Source Code

complex instruction set computer

  • CISC
  • C++

Which of the following is a valid nexDouble() return value?

  • All of the choices
  • 3.1416
  • floating-point literal
  • 12.0
  • double value

What did java generates after compiling the java source code?

  • Class Code
  • Executable file
  • Image file
  • Byte Code

Which of the following is not a valid variable declaration in Java?

  • None of these
  • int num = 1;
  • string text = "hello world";
  • char text2 = "c";

A relational database programming system incorporating the SQL programming language.

  • Sun
  • Oracle

A non-moving storage device utilizing one of a number of types of electronic circuitry to store information

  • central memory
  • main memory

In image processing and pattern recognition, the smallest element of a digital image that can be assigned a gray level.

  • pixel
  • programming-language

A measure of the reliability of a computer system, equal to average operating time of equipment between failures, as calculated on a statistical basis from the known failure rates of various components of the system.

  • mode time between failures
  • mean time between failures

Let us assume that we have the following variables in our program: int a = 2; int b = 5; int c = 3; int intResult = 0; boolean x = true; boolean y = false; boolean booleanResult = false; What will be the value of intResult or booleanResult if we execute the following expressions? intResult = a | b + c;

  • 10
  • 8
  • 7
  • 100

What will be the output if you execute this code? do{System.out.println("Hello World!");}while(true);

  • None of the above.
  • Do nothing
  • print "Hello World" infinitely
  • The code will not run because of syntax error

A variable that is set to a prescribed state, often "true" or "false", based on the results of a process or the occurrence of a specified condition.

  • flag
  • java
  • php
  • c++

A programming language which requires little knowledge of the target computer, can be translated into several different machine languages, allows symbolic naming of operations and addresses, provides features designed to facilitate expression of data structures and program logic, and usually results in several machine instructions for each program statement.

  • inspection
  • hazard severity
  • infeasible path
  • input-process-output chart
  • high-level language

Which of the following we are not allowed to write java source code?

  • eclipse
  • Notepad
  • BlueJ
  • None of the choices

Data for which space is allocated but for which no value currently exists.

  • empty data
  • null data

A _____ is the administrator of a mail server

  • premaster
  • postmaster

Which is not a decision control structure?

  • None of the choices
  • switch
  • if else
  • if else-if else

The Java feature, "write once, run anywhere", is termed as

  • Platform independent
  • Object Oriented
  • Robust
  • High Performance

The time interval between the instant at which a CPU's instruction control unit initiates a call for data and the instant at which the actual transfer of the data starts.

  • later
  • latency

What is the correct statement to run Java program in command line?

  • javac HelloWorld.java
  • java HelloWorld
  • java HelloWorld.java
  • javac HelloWorld

What will happen if we compile the statement below? ~System.out.println(“Hello World!”)

  • There will be a runtime error after compilation.
  • There will be no error after compilation.
  • There will be a logical error after compilation.
  • There will be a syntax error after compilation.

Let us assume that we have the following variables in our program: int a = 2; int b = 5; int c = 3; int intResult = 0; boolean x = true; boolean y = false; boolean booleanResult = false; What will be the value of intResult or booleanResult if we execute the following expressions? intResult = a >> 2;

  • [No Answer]

Which of the following is not usable for writing java source code?

  • eclipse
  • BlueJ
  • Notepad
  • None of the choices

Documentation of changes made to the system.

  • record of change
  • regression analysis and testing

Let us assume that we have the following variables in our program: int a = 2; int b = 5; int c = 3; int intResult = 0; boolean x = true; boolean y = false; boolean booleanResult = false; What will be the value of intResult or booleanResult if we execute the following expressions? intResult = 1;

  • 1
  • 2
  • 3
  • 0

What will be the value of x after you execute this statement int z=0; for(int x=0; x<10; x++) for(int y=0; y<x; y++) z*=(x*y);

  • None of the above
  • 236
  • 1
  • 128

High frequency electromagnetic waves that emanate from electronic devices such as chips and other electronic devices.

  • radio frequency interference
  • reliability assessment

Which of the following is a valid statement to accept int input? Let us assume that we have declared scan as Scanner.

  • short num = scan.nextInt();
  • int num = scan.nextLong();
  • int num = scan.getInt();
  • None of the choices
  • short num = scan.nextShort();

Let us assume that we have the following variables in our program: int a = 2; int b = 5; int c = 3; int intResult = 0; boolean x = true; boolean y = false; boolean booleanResult = false; What will be the value of intResult or booleanResult if we execute the following expressions? intResult = b % a;

  • 1
  • 2
  • 3
  • 4

what will be the output if you execute this code? int x=1; switch(x) { case 1: System.out.print("1"); case 2: System.out.print("1"); case 3: System.out.print("1"); default: System.out.print("1"); }

  • display 1111
  • display 1234
  • display nothing
  • display 1

Which of the following does not return numeric value?

  • nextDouble()
  • nextLong()
  • None of the choices
  • nextShort()
  • nextInt()

What is floating-point literal?

  • 1.1
  • 0.00002
  • 34.43
  • All of these

A high priority interrupt that cannot be disabled by another interrupt.

  • non-maskable interrupt
  • masakable interrupt

A _____ operator performs routine maintenance and upkeep, such as changing backup tapes or replacing failed drives in a RAID.

  • motherboard
  • proccessor
  • CPU
  • computer

Let us assume that we have the following variables in our program: int a = 2; int b = 5; int c = 3; int intResult = 0; boolean x = true; boolean y = false; boolean booleanResult = false; What will be the value of intResult or booleanResult if we execute the following expressions? booleanResult = x && y || x;

  • True
  • False

What will happen if you use JOptionPane. showInputDialog statement in your program?

  • None of the choices
  • The program will display an input dialog box that allows the user to input text and returns the correct type value.
  • The program will display message dialog box returns String value.
  • The program will display an input dialog box that allows the user to input text and returns String value.
  • The program will display message dialog box.

Can we directly compile codes from NetBeans?

  • It depends, if there is a compiler embedded in NetBeans.
  • No, we can only write codes in NetBeans
  • No correct answer
  • Yes, because we can call Java compiler from NetBeans

Pertaining to an actual configuration of software code resulting from a software development project.

  • as built
  • bias
  • BASIC
  • blocking factor
  • batch processing

The period of time in the software life cycle during which a software product is employed in its operational environment, monitored for satisfactory performance, and modified as necessary to correct problems or to respond to changing requirements.

  • Operator
  • operation and maintenance phase

What type of value does the nextLine() returns?

  • Line
  • None of the choices
  • String
  • long
  • double

Which of the following is a valid nextInt() return value?

  • long value
  • 1010
  • floating-point literal
  • 3.1416
  • None of the choices

A sequence of program statements that can never be executed.

  • inspection
  • infeasible path
  • hazard severity
  • input-process-output chart
  • high-level language

Which of the following is not a primitive data type?

  • name
  • string

Let us assume that we have the following variables in our program: int a = 2; int b = 5; int c = 3; int intResult = 0; boolean x = true; boolean y = false; boolean booleanResult = false; What will be the value of intResult or booleanResult if we execute the following expressions? intResult = ++b * a + c;

  • 14
  • 15
  • 16
  • 13

A test case identification technique which produces enough test cases such that each decision has a true and a false outcome at least once.

  • branch analysis
  • brocolli

A computer program that creates a single load module from two or more independently translated object modules or load modules by resolving cross references among the modules and, possibly, by relocating elements.

  • link
  • linkage editor

What will happen if you use JOptionPane.showMessageDialog statement in your program?

  • The program will display an input dialog box that allows the user to input text and returns String value.
  • The program will display message dialog box.
  • The program will display message dialog box returns String value.
  • The program will display an input dialog box that allows the user to input text and returns the correct type value.
  • None of the choices

A character string that enables a user to have full or limited access to a system or to a set of data.

  • password
  • quality assurance

Which of the following a valid Java identifier?

  • id_1
  • $id
  • _id
  • all of the choices
  • id

Ensuring continuous adequate performance of sensing, measurement, and actuating equipment with regard to specified accuracy and precision requirements.

  • calibration
  • celebration

Which of the following is true about Runtime errors:

  • Runtime errors occur when there is a design flaw in your program
  • All of the choices are correct
  • No correct answer
  • Runtime errors occur during run-time.

When was the officially released of Java?

  • 1995
  • 1996
  • 1991
  • 1992

Chips which can be called read/write memory, since the data stored in them may be read or new data may be written into any memory address on these chips.

  • reliability assessment
  • random access memory

A language used to express computer programs. See: computer language, high-level language, low-level language.

  • programming language
  • password

An organization involved in the generation and promulgation of standards. IEEE standards represent the formalization of current norms of professional practice through the process of obtaining the consensus of concerned, practicing professionals in the given field.

  • Institute of Electrical and Electronic Engineers
  • Instruction Set

Windows Server server operating system by Microsoft, as part of the Windows ME family of operating systems

  • False
  • True

Let us assume that we have the following variables in our program: int a = 2; int b = 5; int c = 3; int intResult = 0; boolean x = true; boolean y = false; boolean booleanResult = false; What will be the value of intResult or booleanResult if we execute the following expressions? intResult += c;

  • [No Answer]

Which of the following is not the feature of java?

  • Static
  • None of the choices
  • Robust
  • Code Security

A technology for writing programs that are made up of self-sufficient modules that contain all of the information needed to manipulate a given data structure.

  • procedural programming
  • object oriented programming

Which statement will check if x is less than y?

  • if (x>y)
  • if (x<>y)
  • none of the above
  • if (x<y);

The complete set of instructions recognized by a given computer or provided by a given programming language.

  • Integrated Drive Electronics
  • Instruction Set

Which statement will check if x is equal to y?

  • if (x!<y)
  • if (x>y)
  • if (y>y)
  • none of the choices

What will be the output if you execute this code? do{System.out.println("Hello World!");}while(false);

  • print "Hello World"
  • print "Hello World" infinitely
  • None of the choices
  • Do nothing

The process of determining the achieved level of reliability for an existing system or system component.

  • reliability assessment
  • radio frequency interference

A source code instruction that is replaced by a predefined sequence of source instructions, usually in the same language as the rest of the program and usually during assembly or compilation.

  • macroinstruction
  • microinstruction

Which of the following is not an escape sequence?

  • f
  • none of the choices
  • b
  • t

Let us assume that we have the following variables in our program: int a = 2; int b = 5; int c = 3; int intResult = 0; boolean x = true; boolean y = false; boolean booleanResult = false; What will be the value of intResult or booleanResult if we execute the following expressions? booleanResult = !((a + c) > b) && x;

  • True
  • False

Which of the following is not a Java comment?

  • Declaration Comments
  • Single Comments
  • Multi Line Comments
  • Document Comments

Which of the following is a valid identifier?

  • name
  • string

A measure of how closely the mean value in a series of replicate measurements approaches the true value.

  • as built
  • bias
  • BASIC
  • blocking factor
  • batch processing

This system was first announced on 16 August 1993 by Ian Murdock

  • [No Answer]

The planned systematic activities necessary to ensure that a component, module, or system conforms to established technical requirements.

  • quality assurance
  • qualification, product performance

An assessment of the consequence of the worst credible mishap that could be caused by a specific hazard.

  • inspection
  • hazard severity
  • infeasible path
  • input-process-output chart
  • high-level language

It is a series of graphical interface operating systems developed, marketed, and sold by Microsoft.

  • Apple Windows
  • Microsoft Windows

cathode ray tube

  • CRT
  • CTR
  • SHIFT
  • Caps Lock

A language used to identify a sequence of jobs, describe their requirements to an operating system, and control their execution.

  • Interface Requirement
  • Job Control Language

An instruction which causes program execution to jump to a new point in the program sequence, rather than execute the next instruction.

  • branch
  • callibration

Pertaining to the principles of mathematical logic developed by George Boole, a nineteenth century mathematician.

  • boolean
  • int

What is the extension name of a Java Source code?

  • javac
  • j
  • class
  • java

This computer became a significant OS market share category starting with Apple's iOS-based iPad in 2010

  • Pad
  • Notepad
  • Table
  • Tablets

Which is not a repetition control structure?

  • for
  • None of the choices
  • do while
  • switch

Communications systems that use optical fibers for transmission.

  • fiber optics
  • fiber iron

Computer instructions and definitions expressed in a form [binary code] that can be recognized by the CPU of a computer. All source code, regardless of the language in which it was programmed, is eventually converted to machine code.

  • machine code
  • binary code

The feature of Java which makes it possible to execute several tasks simultaneously.

  • Platform independent
  • Multithreaded
  • Robust
  • Code Security

A standard interface for hard disks which provides for building most of the controller circuitry into the disk drive to save space.

  • Instruction Set
  • Integrated Drive Electronics

Which of the following is not Java Literal?

  • Float value
  • Character value
  • None of the choices
  • Boolean value
  • Integer value

A software V&V task to determine the extent of V&V analysis and testing that must be repeated when changes are made to any previously examined software products.

  • regression analysis and testing
  • record of change

JVM is responsible for

  • Interpreting bytecode
  • Generating bytecode
  • Reading bytecode
  • Compiling source code

An object-oriented high-level programming language.

  • C++
  • Flag

Let us assume that we have the following variables in our program: int a = 2; int b = 5; int c = 3; int intResult = 0; boolean x = true; boolean y = false; boolean booleanResult = false; What will be the value of intResult or booleanResult if we execute the following expressions? intResult = b << c;

  • [No Answer]

What is the correct statement to compile Java program in command line?

  • javac HelloWorld
  • java HelloWorld
  • java HelloWorld.java
  • javac HelloWorld.java

A diagram of a software system or module, consisting of a rectangle on the left listing inputs, a rectangle in the center listing processing steps, a rectangle on the right listing outputs, and arrows connecting inputs to processing steps and processing steps to outputs.

  • inspection
  • hazard severity
  • infeasible path
  • input-process-output chart
  • high-level language

A _____ distribution is a member of the family of Unix-like operating systems built on top of the Linux kernel.

  • Ubuntu
  • Microsoft
  • iOS
  • Linux

This staff respond to individual users' difficulties with computer systems, provide instructions and sometimes training, and diagnose and solve common problems.

  • Web Administrator
  • Technical Support

Let us assume that we have the following variables in our program: int a = 2; int b = 5; int c = 3; int intResult = 0; boolean x = true; boolean y = false; boolean booleanResult = false; What will be the value of intResult or booleanResult if we execute the following expressions? intResult = a & b;

  • 0
  • 1
  • 2
  • 3

Pertaining to the simultaneity of two or more processes.

  • longitude
  • parallel

Establishing confidence through appropriate testing that the finished product produced by a specified process meets all release requirements for functionality and safety.

  • qualification, product performance
  • pixel

What will be the value of x after executing this code for(int x=0; x<=10; x++) {} is run?

  • 1
  • 0
  • 11
  • 10

What is the correct statement to set JavaC path in command line?

  • C:Program FilesJavajdk1.6.0_23bin
  • < JavaC directory >
  • All of the given choices are correct
  • path C:Program FilesJavajdk1.6.0_23bin

Which of the following is true about syntax errors:

  • All of the statements are true
  • Syntax errors are usually typing errors.
  • You will have syntax errors if you misspell the Java command.
  • Incorrect capitalization leads to syntax error.

Which of the following is not a java keyword?

  • name
  • class
  • public
  • int

Which of the following has the correct form for an if statement?

  • if boolean_expression
  • boolean_expression
  • none of the choices
  • if (boolean_expression)

An arrangement of nodes and interconnecting branches.

  • network
  • system

Why do we need to set the path for JavaC in command line?

  • None of the choices
  • To resolve syntax error
  • To resolve runtime error
  • To make JavaC available or accessible in command line.

A _____ administrator is a specialist in computer and network security, including the administration of security devices such as firewalls, as well as consulting on general security measures.

  • premaster
  • secure
  • postmaster
  • security

Which of the following is not a valid Float value?

  • 3.4028235E+38F
  • 1.23
  • none of the choices
  • 12345678910F
  • 1.2345E+3

Which of the following method reads input from the user and return String value?

  • nextText()
  • nextString()
  • All of the above
  • nextLine()
  • nextValue()

Execution of programs serially with no interactive processing. Contrast with real time processing.

  • blocking factor
  • BASIC
  • bias
  • as built
  • batch processing

An acronym for Beginners All-purpose Symbolic Instruction Code, a high-level programming language intended to facilitate learning to program in an interactive environment.

  • as built
  • bias
  • BASIC
  • blocking factor
  • batch processing

A mathematical entity whose value, namely, the value of the dependent variable, depends in a specified manner on the values of one or more independent variables, with not more than one value of the dependent variable corresponding to each permissible combination of values from the respective ranges of the independent variables.

  • function
  • func
  • punc
  • punction

This is a computer operating system based on the Debian Linux distribution and distributed as free and open source software, using its own desktop environment

  • [No Answer]

A person who maintains web server services (such as Apache or IIS) that allow for internal or external access to web sites.

  • Database Administrator
  • Web Administrator

This is a computer with a high level of performance as compared to a general-purpose computer.

  • supermemory
  • superman
  • superproccessor
  • supercomputer

It is a person maintains a database system, and is responsible for the integrity of the data and the efficiency and performance of the system.

  • Web Administrator
  • Database Administrator

It is a person employed to maintain and operate a computer system and/or network.

  • Network Administrator
  • System Administrator

This person maintains network infrastructure such as switches and routers, and diagnoses problems with these or with the behavior of network-attached computers

  • System Administrator
  • Network Administrator

What was the initial name for the Java programming language?

  • Java
  • NetBeans
  • C
  • Oak

The number of records in a block.

  • as built
  • bias
  • BASIC
  • blocking factor
  • batch processing

A manual testing technique in which program documents [specifications (requirements, design), source code or user's manuals] are examined in a very formal and disciplined manner to discover errors, violations of standards and other problems.

  • inspection
  • hazard severity
  • infeasible path
  • input-process-output chart
  • high-level language