CRC stands for __________ A. cyclic redundancy check B. code repeat check C. code redundancy check D. cyclic repeat check

CRC stands for __________
A. cyclic redundancy check
B. code repeat check
C. code redundancy check
D. cyclic repeat check
by

1 Answer

Answer :

A. cyclic redundancy check
by

Related questions

CRC stands for __________ a. cyclic redundancy check b. code repeat check c. code redundancy check d. cyclic repeat check

Description : CRC stands for __________ a. cyclic redundancy check b. code repeat check c. code redundancy check d. cyclic repeat check

Last Answer : a. cyclic redundancy check

In a frame transmission, CRC stands for (A) Code Renewable Check (B) Cyclic Redundancy Check (C) Control and Refresh Code (D) Cyclic Refreshing of CPU

Description : In a frame transmission, CRC stands for (A) Code Renewable Check (B) Cyclic Redundancy Check (C) Control and Refresh Code (D) Cyclic Refreshing of CPU

Last Answer : (B) Cyclic Redundancy Check

. In cyclic redundancy checking, the divisor is _______the CRC. A) The same size as B) one bit less than C) one bit more than D) none of the above

Description : . In cyclic redundancy checking, the divisor is _______the CRC. A) The same size as B) one bit less than C) one bit more than D) none of the above

Last Answer : one bit more than

The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called ____________ a. piggybacking b. cyclic redundancy check c. fletcher’s checksum d. parity check

Description : The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called ____________ a. piggybacking b. cyclic redundancy check c. fletcher’s checksum d. parity check

Last Answer : a. piggybacking

The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called ____________ A. piggybacking B. cyclic redundancy check C. fletcher’s checksum D. parity check

Description : The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called ____________ A. piggybacking B. cyclic redundancy check C. fletcher’s checksum D. parity check

Last Answer : A. piggybacking

The divisor in a cyclic code is normally called the _________. A) degree B) generator C) redundancy D) none of the above

Description : The divisor in a cyclic code is normally called the _________. A) degree B) generator C) redundancy D) none of the above

Last Answer : generator

Is the cyclic redundancy check better than hamming code?

Description : Is the cyclic redundancy check better than hamming code?

Last Answer : It depends on what you are doing.The cyclic redundancy check will only detect an error, while thehamming code can also correct many types of errors. However toperform this correction the extra ... channels, disk sectors).Normally hamming code is done on individual bytes or words ofcomputer memory.

Error detection ata data link level is achieved by A. bit stuffing B. cyclic redundancy codes C. Hamming codes D. equalization

Description : Error detection ata data link level is achieved by A. bit stuffing B. cyclic redundancy codes C. Hamming codes D. equalization

Last Answer : cyclic redundancy codes

Using which method in transport layer data integrity can be ensured? a. Checksum b. Repetition codes c. Cyclic redundancy checks d. Error correcting codes

Description : Using which method in transport layer data integrity can be ensured? a. Checksum b. Repetition codes c. Cyclic redundancy checks d. Error correcting codes

Last Answer : a. Checksum

ARQ stands for __________ a. Automatic Repeat Request b. Automatic Request Repeat c. Application Repeat Request d. Application Request Repeat

Description : ARQ stands for __________ a. Automatic Repeat Request b. Automatic Request Repeat c. Application Repeat Request d. Application Request Repeat

Last Answer : a. Automatic Repeat Request

Which error detection method consists of just one redundant bit per data unit? A) Simple parity check B) Two-dimensionalparity check C) CRC D) Checksum

Description : Which error detection method consists of just one redundant bit per data unit? A) Simple parity check B) Two-dimensionalparity check C) CRC D) Checksum

Last Answer : Simple parity check

Which error detection method usesone's complement arithmetic? A) Simple parity check B) Two-dimensionalparity check C) CRC D) Checksum

Description : Which error detection method usesone's complement arithmetic? A) Simple parity check B) Two-dimensionalparity check C) CRC D) Checksum

Last Answer : Checksum

Which error detection method uses one's complement arithmetic? A. Simple parity check B. Two-dimensional parity check C. CRC D. Checksum

Description : Which error detection method uses one's complement arithmetic? A. Simple parity check B. Two-dimensional parity check C. CRC D. Checksum

Last Answer : D. Checksum

_______ can detect burst error of length less than or equal to degree of the polynomial and detects burst errors that affect odd number of bits. a. Hamming Code b. CRC c. VRC d. None of the above

Description : _______ can detect burst error of length less than or equal to degree of the polynomial and detects burst errors that affect odd number of bits. a. Hamming Code b. CRC c. VRC d. None of the above

Last Answer : b. CRC

ARQ stands for _______. A) Automatic repeatquantization B) Automatic repeat request C) Automatic retransmissionrequest D) Acknowledge repeat request

Description : ARQ stands for _______. A) Automatic repeatquantization B) Automatic repeat request C) Automatic retransmissionrequest D) Acknowledge repeat request

Last Answer : Automatic repeat request

Using which layer in transport layer data integrity can be assured? A. Checksum B. Repetition codes C. Cyclic redundancy checks D. Error correction codes

Description : Using which layer in transport layer data integrity can be assured? A. Checksum B. Repetition codes C. Cyclic redundancy checks D. Error correction codes

Last Answer : A. Checksum 

What is the main difference between DDCMP and SDLC? a. DDCMP does not need special hardware to final the beginning of a message b. DDCMP has a message header c. SDLC has a IP address d. SDLC does not use CRC

Description : What is the main difference between DDCMP and SDLC? a. DDCMP does not need special hardware to final the beginning of a message b. DDCMP has a message header c. SDLC has a IP address d. SDLC does not use CRC

Last Answer : DDCMP does not need special hardware to final the beginning of a message

In the Ethernet frame, the_______field contains error detection information. A) CRC B) preamble C) address D) none of the above

Description : In the Ethernet frame, the_______field contains error detection information. A) CRC B) preamble C) address D) none of the above

Last Answer : CRC

In the Ethernet, the _______field is actually added at the physical layer and isnot (formally)part of the frame. A) CRC B) preamble C) address D) none of the above

Description : In the Ethernet, the _______field is actually added at the physical layer and isnot (formally)part of the frame. A) CRC B) preamble C) address D) none of the above

Last Answer : preamble

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 frame includes a CRC field and IP packet includes a checksum field d. Both Ethernet frame and IP packet include CRC fields

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

If the frame to be transmitted is 1101011011 and the CRC polynomial to be used for generating checksum is x 4+ x + 1, then what is the transmitted frame? a. 11010110111011 b. 11010110111101 c. 11010110111110 d. 11010110111001

Description : If the frame to be transmitted is 1101011011 and the CRC polynomial to be used for generating checksum is x 4+ x + 1, then what is the transmitted frame? a. 11010110111011 b. 11010110111101 c. 11010110111110 d. 11010110111001

Last Answer : c. 11010110111110

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

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

The message 11001001 is to be transmitted using the CRC polynomial x^3 + 1 to protect it from errors. The message that should be transmitted is: a. 11001001000 b. 11001001011 c. 11001010 d. 110010010011

Description : The message 11001001 is to be transmitted using the CRC polynomial x^3 + 1 to protect it from errors. The message that should be transmitted is: a. 11001001000 b. 11001001011 c. 11001010 d. 110010010011

Last Answer : b. 11001001011

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 not divide 1+x^k, for any k not exceeding the frame length c. 1+x is a factor of G(x) d. G(x) has an odd number of terms

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)

Write short notes on CRC checker.

Description : Write short notes on CRC checker.

Last Answer : After receiving the data appended with the CRC it does the same modulo-2 division. If the remainder is all 0’s the CRC is dropped and the data accepted. Otherwise, the received stream of bits is discarded and the data are resent.

_____ provides redundancy toensure synchronization and inherent errordetection. A) Block coding B) Line coding C) Scrambling D) None of the above

Description : _____ provides redundancy toensure synchronization and inherent errordetection. A) Block coding B) Line coding C) Scrambling D) None of the above

Last Answer : Block coding

Database management systems are intended to: A. eliminatedata redundancy B. establishrelationships among records in different files C. manage file access D. maintaindata integrity E. All of theabove

Description : Database management systems are intended to: A. eliminatedata redundancy B. establishrelationships among records in different files C. manage file access D. maintaindata integrity E. All of theabove

Last Answer : All of theabove

A simple parity-check code can detect __________ errors A. an even-number of B. two C. no errors D. an odd-number of

Description : A simple parity-check code can detect __________ errors A. an even-number of B. two C. no errors D. an odd-number of

Last Answer : D. an odd-number of

_________control inthe datalink layer is based on automatic repeat request, which is the retransmission of data. A) Flow B) Error C) Transmission D) none of the above

Description : _________control inthe datalink layer is based on automatic repeat request, which is the retransmission of data. A) Flow B) Error C) Transmission D) none of the above

Last Answer : Transmission

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

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

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

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

Both Go-Back-N and Selective-Repeat Protocols use a_________. A) sliding frame B) sliding windowC)sliding packetD)none of the above

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

Inthe _________ protocol weavoid unnecessary transmissionby sending only frames that are corrupted. A) Stop-and-Wait ARQ B) Go-Back-N ARQ C) Selective-Repeat ARQ D) none of the above

Description : Inthe _________ protocol weavoid unnecessary transmissionby sending only frames that are corrupted. A) Stop-and-Wait ARQ B) Go-Back-N ARQ C) Selective-Repeat ARQ D) none of the above

Last Answer : Selective-Repeat ARQ

Inthe _________Protocol, ifno acknowledgment for aframe has arrived, we resend all outstanding frames. A) Stop-and-Wait ARQ B) Go-Back-N ARQ C) Selective-Repeat ARQ D) none of the above

Description : Inthe _________Protocol, ifno acknowledgment for aframe has arrived, we resend all outstanding frames. A) Stop-and-Wait ARQ B) Go-Back-N ARQ C) Selective-Repeat ARQ D) none of the above

Last Answer : Go-Back-N ARQ

The _________Protocol, addsa simple error control mechanism to the _______Protocol. A) Stop-and-Wait ARQ; Stop-and-Wait B) Go-Back-N ARQ; Stop-and-Wait C) Selective Repeat ARQ; Go-Back-N ARQ D) none of the above

Description : The _________Protocol, addsa simple error control mechanism to the _______Protocol. A) Stop-and-Wait ARQ; Stop-and-Wait B) Go-Back-N ARQ; Stop-and-Wait C) Selective Repeat ARQ; Go-Back-N ARQ D) none of the above

Last Answer : Go-Back-N ARQ; Stop-and-Wait

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

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

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

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

Which ARQ mechanism deals with the transmission of only damaged or lost frames despite the other multiple frames by increasing the efficiency & its utility in noisy channels? a. GoBackN ARQ b. Selective Repeat ARQ c. StopandWait ARQ d. All of the above

Description : Which ARQ mechanism deals with the transmission of only damaged or lost frames despite the other multiple frames by increasing the efficiency & its utility in noisy channels? a. GoBackN ARQ b. Selective Repeat ARQ c. StopandWait ARQ d. All of the above

Last Answer : b. Selective Repeat ARQ

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 of acknowledgement? a. Provision of sequence number in the header of message b. Provision of checksum computation c. Both a & b d. None of the above

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

Automatic repeat request error management mechanism is provided by ________ a. logical link control sublayer b. media access control sublayerc. network interface control sublayer d. application access control sublayer

Description : Automatic repeat request error management mechanism is provided by ________ a. logical link control sublayer b. media access control sublayer c. network interface control sublayer d. application access control sublayer

Last Answer : a. logical link control sublayer

Which is the protocol that maps varying IP addresses to the Physical MAC Address of a machine in a LAN network? a. ARQ (Automatic Repeat Request) b. ARP (Address Resolution Protocol) c. SLIP (Serial Line Internet Protocol) d. PLIP (Parallel Line Internet Protocol)

Description : Which is the protocol that maps varying IP addresses to the Physical MAC Address of a machine in a LAN network? a. ARQ (Automatic Repeat Request) b. ARP (Address Resolution Protocol) c. SLIP (Serial Line Internet Protocol) d. PLIP (Parallel Line Internet Protocol)

Last Answer : b. ARP (Address Resolution Protocol)

In Go-Back-N window, when the timer of the packet times out, several packets have to be resent even some may have arrived safe. Whereas in Selective Repeat window, the sender resends ___________ A. Packet which are not lost B. Only those packets which are lost or corrupted C. Packet from starting D. All the packets

Description : In Go-Back-N window, when the timer of the packet times out, several packets have to be resent even some may have arrived safe. Whereas in Selective Repeat window, the sender resends ___________ A ... lost B. Only those packets which are lost or corrupted C. Packet from starting D. All the packets

Last Answer : B. Only those packets which are lost or corrupted

Which is the protocol that maps varying IP addresses to the Physical MAC Address of a machine in a LAN network? A. ARQ Automatic Repeat Request B. ARP Address Resolution Protocol C. SLIP Serial Line Internet Protocol D. PLIP Parallel Line Internet Protocol

Description : Which is the protocol that maps varying IP addresses to the Physical MAC Address of a machine in a LAN network? A. ARQ Automatic Repeat Request B. ARP Address Resolution Protocol C. SLIP Serial Line Internet Protocol D. PLIP Parallel Line Internet Protocol

Last Answer : B. ARP Address Resolution Protocol

Automatic repeat request error management mechanism is provided by ________ A. logical link control sublayer B. media access control sublayer C. network interface control sublayer D. application access control sublayer

Description : Automatic repeat request error management mechanism is provided by ________ A. logical link control sublayer B. media access control sublayer C. network interface control sublayer D. application access control sublayer

Last Answer : A. logical link control sublayer

ASCII stands for a. American Stable Code for International Interchange b. American Standard Case for Institutional Interchange c. American Standard Code for Information Interchange d. American Standard Code for Interchange Information

Description : ASCII stands for a. American Stable Code for International Interchange b. American Standard Case for Institutional Interchange c. American Standard Code for Information Interchange d. American Standard Code for Interchange Information

Last Answer : American Standard Code for Information Interchange

EBCDIC stands for a. Extended Binary Coded Decimal Interchange Code b. Extended Bit Code Decimal Interchange Code c. Extended Bit Case Decimal Interchange Code d. Extended Binary Case Decimal Interchange Code

Description : EBCDIC stands for a. Extended Binary Coded Decimal Interchange Code b. Extended Bit Code Decimal Interchange Code c. Extended Bit Case Decimal Interchange Code d. Extended Binary Case Decimal Interchange Code

Last Answer : Extended Binary Coded Decimal Interchange Code

MICR stands for a. Magnetic Ink Character Reader b. Magnetic Ink Code Reader c. Magnetic Ink Cases Reader d. None

Description : MICR stands for a. Magnetic Ink Character Reader b. Magnetic Ink Code Reader c. Magnetic Ink Cases Reader d. None

Last Answer : Magnetic Ink Character Reader

_____codes arespecial linear block codes with one extraproperty. If a codeword is rotated, the result is another codeword. A) Non-linear B) Convolution C) Cyclic D) none of the above

Description : _____codes arespecial linear block codes with one extraproperty. If a codeword is rotated, the result is another codeword. A) Non-linear B) Convolution C) Cyclic D) none of the above

Last Answer : Cyclic

A simpleparity-check code can detect__________ errors. A) an even-number of B) two C) no errors D) an odd-number of

Description : A simpleparity-check code can detect__________ errors. A) an even-number of B) two C) no errors D) an odd-number of

Last Answer : an odd-number of