The range of sequence number which is the concern of the receiver is called the receive
sliding window.
A. receive sliding window.
B. sliding window
C. frame buffer
D. both a and b

1 Answer

Answer :

A. receive sliding window.

Related questions

Description : The distance between two stations M and N is L kilometers. All frames are K bits long. The propagation delay per kilometer is t seconds. Let R bits/second be the channel capacity. Assuming that processing ... maximum utilization, when the sliding window protocol used is: a. A b. B c. C d. D

Last Answer : c. C

Description : Which feature of Go Back N ARQ mechanism possesses an ability to assign the sliding window in the forward direction? a. Control Variables b. Sender Sliding Window c. Receiver Sliding Window d. Resending of frames

Last Answer : b. Sender Sliding Window

Description : Which feature of Go-Back-N ARQ mechanism possesses an ability to assign the sliding window in the forward diretion? A. Control Variables B. Sender Sliding Window C. Receiver Sliding Window D. Resending of frames

Last Answer : B. Sender Sliding Window

Description : In Selective Repeat ARQ, if 5 is the number ofbits for the sequence number, then the maximum size of the receive window mustbe _____ A) 15 B) 16 C) 31 D) 1

Last Answer : 16

Description : the maximum window size for data transmission using the selective reject protocol with n-bit frame sequence numbers is: a. 2^n b. 2^(n-1) c. 2^n – 1 d. 2^(n-2)

Last Answer : b. 2^(n-1)

Description : Both Go-Back-N and Selective-Repeat Protocols use a_________. A) sliding frame B) sliding window C) sliding packet D) none of the above

Last Answer : sliding window

Description : In a Go-Back-N ARQ, if the window size is 63,what is the range of sequence numbers? A) 0to 63 B) 0to 64 C) 1to 63 D) 1to 64

Last Answer : 0to 63

Description : In a Go-Back-N ARQ, if the window size is 63, what is the range of sequence numbers? A. 0 to 63 B. 0 to 64 C. 1 to 63 D. 1 to 64

Last Answer : A. 0 to 63

Description : The TCP sliding window a. can be used to control the flow of information b. always occurs when the field value is 0 c. always occurs when the field value is 1 d. occurs horizontally

Last Answer : a. can be used to control the flow of information

Description : Station A uses 32 byte packets to transmit messages to Station B using a sliding window protocol. The round trip delay between A and B is 80 milliseconds and the bottleneck bandwidth on the path between A and B ... What is the optimal window size that A should use? a. 20 b. 40 c. 160 d. 320

Last Answer : b. 40

Description : The maximum size of the window in a Sliding Window Protocol is _______ A. 2m – 1 B. 2m + 1 C. 2m D. 2m-1

Last Answer : A. 2m – 1

Description : The term 'duplex' refers to theability of the data receiving stations toecho back aconfirming messageto the sender. Infull duplex data transmission, both the sender and the receiver A. cannot talk at once B. can ... data one ata time D. can do one way data transmission only E. None of the above

Last Answer : can do one way data transmission only

Description : Four bits are used for packed sequence numbering in a sliding window protocol used in a computer network. What is the maximum window size ?  (A) 4 (B) 8 (C) 15 (D) 16

Last Answer : (C) 15 

Description : Four bits are used for packet sequence numbering in a sliding window protocol used in computer network. What is maximum window size?  A) 4 B) 8 C) 15 D) 16

Last Answer : Four bits are used for packet sequence numbering in a sliding window protocol used in computer network. What is maximum window size?  15

Description : Inthe _____ Protocol, the sender sends one frame, stops until it receives confirmation from the receiver, and then sends the next frame. A) Stop-and-Wait B) Simplest C) Go-Back-N ARQ D) Selective-Repeat ARQ

Last Answer : Stop-and-Wait

Description : A sender uses the Stop-and-Wait ARQ protocol for reliable transmission of frames. Frames are of size 1000 bytes and the transmission rate at the sender is 80 Kbps (1Kbps = 1000 bits/second). Size of ... is lost, the sender throughput is __________ bytes/second. a. 2500 b. 2000 c. 1500 d. 500

Last Answer : a. 2500

Description : In Go-Back-N ARQ, if 5 is the number of bits for thesequencenumber, then the maximum size of the receive window mustbe _____ A) 15 B) 16 C) 31 D) 1

Last Answer : 1

Description : In Selective Repeat ARQ, if 5 is the number ofbits for the sequence number, then the maximum size of the send window must be _____ A) 15 B) 16 C) 31 D) 1

Last Answer : 16

Description : Which of the following is not a field in TCP header? a. Sequence number b. Fragment offset c. Checksum d. Window size

Last Answer : b. Fragment offset

Description : An error-detectingcode inserted asa field in a blockof data tobe transmitted is known as A. Frame check sequence B. Error detecting code C. Checksum D. flow control E. None of the above

Last Answer : Frame check sequence

Description : Which category of HDLC frames undergoes error and flow control mechanisms by comprising send and receive sequence numbers? a. Uframes b. Iframes c. Sframes d. All of the above

Last Answer : Sframes

Description : Interface electronic circuit is used to interconnect I/O devices to a computer’s CPU or a. ALU b. Memory c. Buffer d. Register

Last Answer : Memory

Description : The use of spooler programs and/or “. Hardware allows personal computer operators to do the processing work at the same time a printing operation is in progress a. Registered mails b. Memory c. CPU d. Buffer

Last Answer : Buffer

Description : Actual data processing operations are performed in the arithmetic logic section, but not in the “. Storage section of a processor unit a. Primary b. Accumulator c. Buffer d. Secondary

Last Answer : Primary

Description : A type of core store that has a lower access time than the devices used for working store in the same processor is known as a. Core memory b. Buffer c. Fast core d. Address register

Last Answer : Address register

Description : A directly accessible appointment calendar is feature of a “ resident package a. CPU b. Memory c. Buffer d. ALU

Last Answer : Memory

Description : A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is a. Memory b. Buffer c. Accumulator d. Address

Last Answer : Buffer

Description : Buffer overrun can be reduced by using what? a. Traffic control b. Flow control c. Byte orientation d. Data integrity

Last Answer : b. Flow control

Description : What are the problems involved in an IP Fragmentation Process? A. Loss of any fragment results in rejection of all datagrams B. Management of buffer space is essential to handle reassembly process C. No necessity of initializing ... -oriented IP service a. A & B b. C & D c. B& C d. A & D

Last Answer : a. A & B

Description : Station A uses 32 byte packets to transmit messages to station B using sliding window protocol. The round trip delay between A and B is 40 milli seconds and the bottleneck bandwidth on the path between A and B is 64 kbps. The optimal window size of A is (1) 20 (2) 10 (3) 30 (4) 40

Last Answer : (2) 10

Description : Define: (i)Pixel (ii)Frame Buffer

Last Answer : Pixel Pixel or Pel is defined as "the smallest addressable screen element". OR A pixel may be defined as the smallest size object or color spot that can be displayed and addressed on a ... buffer, or sometimes framestore) is a portion of RAM containing a bitmap that drives a video display. 

Description : The Post Office Protocol is an ………... protocol with both client (sender/receiver) and …………...functions A. electronic mail, server (storage) B. three layer , server C. UDP, transfer D. TCP, server

Last Answer : A. electronic mail, server (storage)

Description : . ________ is the process in which the receiver tries to guess the message by using redundant bits A. Connection-Oriented Service B. Forward error correction C. both a and b D. Confirm

Last Answer : B. Forward error correction

Description : Indecodinga digital signal, the receiver calculates a running average of thereceived signal power, called the _______. A) baseline B) base C) line D) none of the above

Last Answer : baseline

Description : In ________,a station monitors the medium after it sends a frame to see if the transmission was successful. If so, the station is finished. If, however, there is a collision, the frameis sentagain. A) CSMA/CA B) CSMA/CD C) either (a)or (b) D) both (a) and (b)

Last Answer : CSMA/CD

Description : Which of the following statements is TRUE? a. Both Ethernet frame and IP packet include checksum fields b. Ethernet frame includes a checksum field and IP packet includes a CRC field c. Ethernet ... and IP packet includes a checksum field d. Both Ethernet frame and IP packet include CRC fields

Last Answer : Ethernet frame includes a CRC field and IP packet includes a checksum field

Description : Which among the following represents the objectives/requirements of Data Link Layer? a. Frame Synchronization b. Error & Flow Control c. Both a & b d. None of the above

Last Answer : c. Both a & b

Description : A network is a cross between a circuit-switched network and a datagram network. It has some characteristics of both. a. virtual-circuit b. packet-switched c. None of the Given d. frame-switched

Last Answer : a. virtual-circuit

Description : The minimum range for sliding the focusing lens in the internal focusing telescope for focusing at all distances beyond 4 m is (A) 5 mm (B) 10 mm (C) 15 mm (D) 20 mm 

Last Answer : (D) 20 mm 

Description : Which of the following statement is correct? a. terminal section of a synchronous modem contains the scrambler b. receiver section of a synchronous modem contains the scrambler c. transmission section of ... d. control section of a synchronous modem contains the scrambler e. none of the above

Last Answer : transmission section of a synchronous modem contains the scrambler

Description : Inthe _____ Protocol, the sender sends its frames oneafter another with noregard to the receiver. A) Stop-and-Wait B) Simplest C) Go-Back-N ARQ D) Selective-Repeat ARQ

Last Answer : Stop-and-Wait B) Simplest

Description : In ________ error correction, the receiver asks thesender tosend thedata again. A) backward B) retransmission C) forward D) none of the above

Last Answer : retransmission

Description : In ________ error correction, the receiver correctserrors without requestingretransmission. A) backward B) onward C) forward D) none of the above

Last Answer : forward

Description : In_________ transmission, we send bits oneafter another without startor stop bits or gaps. It is the responsibilityof the receiver togroup the bits. A) synchronous B) asynchronous C) isochronous D) none of the abov

Last Answer : synchronous

Description : Block coding can help in _______at the receiver. A) Synchronization B) Error detection C) Attenuation D) (a) and (b)

Last Answer : (a) and (b)

Description : In CRC if the data unit is 100111001 and the divisor is 1011 then what is dividend at the receiver? a. 100111001101 b. 100111001011 c. 100111001 d. 100111001110

Last Answer : b. 100111001011

Description : Which of the following statement is False about the efficiency of the given channel? a. If we want to send big packets on the channel, then Stop and Wait is good choice. b. If length ... is directly proportional to efficiency of channel. d. Efficient might be less if capacity of channel is high

Last Answer : Distance between sender and receiver is directly proportional to efficiency of channel.

Description : The word altruism here means (1) ‘the act of rolling across a window.' (2) ‘a sudden movement triggered by a blast.' (3) ‘selfless concern for the well being of others.' (4) ‘the dazed feeling generated by an accident.'

Last Answer : (3) ‘selfless concern for the well being of others.'

Description : Which provision can resolve / overcome the shortcomings associated with duplication or failure condition of Stop and Wait Automatic Repeat Request protocol especially due to loss of data frames or non reception ... message b. Provision of checksum computation c. Both a & b d. None of the above

Last Answer : Provision of sequence number in the header of message

Description : Let G(x) be the generator polynomial used for CRC checking. What is the condition that should be satisfied by G(x) to detect odd number of bits in error? a. G(x) contains more than two terms b. G(x) does ... exceeding the frame length c. 1+x is a factor of G(x) d. G(x) has an odd number of terms

Last Answer : c. 1+x is a factor of G(x)