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how to define a constant variable in javathe variable should be declared as static and final so only one copy of the variable exists for all
what are instance variablesinstance variables are those which are explained at the class level instance variables require not be initialized before
what are local variableslocal varaiables are those which are declared within a block of code like methods local variables should be initialised
what is difference among path and classpathpath and classpath are operating system level environment varialespath is used explain where the system
what is a pointer and does java support pointerspointer is a reference handle to a memory location improper handling of pointers leads to memory
what is the difference between a jdk and a jvmjdk is java development kit which is for development purpose and it contains execution environment
what do you mean by platform independenceplatform independence means that we can write and compile the java code in one platform eg windows and can
what are netbios and netbeuinetbios is a programming interface that permits io requests to be sent to and received from a remote computer and it
what is redirectorredirector is software that intercepts file or prints io requests and changes them into network requeststhis comes under
what is beaconingthe process that permits a network to self-repair networks problems the stations on the network notify the other stations on the
what do you meant by triple x in networks the function of pad packet assembler disassembler is defined in a document known as x3 the standard
difference among the communication and transmissiontransmission is a physical movement of information and concern issues like bit polarity
what is piggy backinga process called piggybacking is used to get better the efficiency of the bidirectional protocols when a frame is carrying data
what is sliding windowthe sliding window is an abstract method that explains the range of sequence numbers that is the concern of the sender and
what is usage of sequence number in reliable transmissionthe protocol specifies that frames need to be numbered this is done by using sequence
what is stop-and-wait automatic repeat requesterror correction in stop-and-wait arq is implemented by keeping a copy of the sent frame and
what is stop-and-wait protocolin stop and wait protocol sender sends single frame waits unless it receives confirmation from the receiver okay to go
what automatic repeat request arqerror control is both error detection and error correction it allows the receiver to inform the sender of any frames
what is error control error control is both error detection and error correction it allows the receiver to inform the sender of any frames lost or
what is bit stuffingbit stuffing is the process of adding one extra 0 whenever five consecutive is follow a 0 in the data so that the receiver does
define character stuffingin byte stuffing or character stuffing a particular byte is added to the data section of the frame when there is a character
what is framingframing in the data link layer divides a message from one source to a destination or from other messages to other destinations by
define decodera device or program that translates encoded data into its original format eg it decodes the data the term is often used in reference to
define encodera device or program that uses predefined algorithms to encode or compress audio or video data for storage or transmission use a circuit
what is forward error correction and data wordsforward error correctionit is the process in which the receiver tries to guess the message by using