_________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

_________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
by

1 Answer

Answer :

Transmission
by

Related questions

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

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

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

When does the station B send a positive acknowledgement (ACK) to station A in Stop and Wait protocol? a. only when no error occurs at the transmission level b. when retransmission of old packet in a novel frame is necessary c. only when station B receives frame with errorsd. all of the above

Description : When does the station B send a positive acknowledgement (ACK) to station A in Stop and Wait protocol? a. only when no error occurs at the transmission level b. when retransmission of old packet in a novel frame is necessary c. only when station B receives frame with errors d. all of the above

Last Answer : only when no error occurs at the transmission level

When does the station B send a positive acknowledgement (ACK) to station A in Stop and Wait protocol? a. only when no error occurs at the transmission level b. when retransmission of old packet in a novel frame is necessary c. only when station B receives frame with errors d. all of the above

Description : When does the station B send a positive acknowledgement (ACK) to station A in Stop and Wait protocol? a. only when no error occurs at the transmission level b. when retransmission of old packet in a novel frame is necessary c. only when station B receives frame with errors d. all of the above

Last Answer : only when no error occurs at the transmission level

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

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 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)

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

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

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

ICMP is a _________ layer protocol. A) datalink B) transport C) network D) noneof the above

Description : ICMP is a _________ layer protocol. A) datalink B) transport C) network D) noneof the above

Last Answer : network

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

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

Which of the following is NOT true about User Datagram Protocol in transport layer?a. Works well in unidirectional communication, suitable for broadcast information. b. It does three way handshake before sending datagrams c. It provides datagrams, suitable for modeling other protocols such as in IP tunneling or Remote Procedure Call and the Network File System d. The lack of retransmission delays makes it suitable for real-time applications

Description : Which of the following is NOT true about User Datagram Protocol in transport layer? a. Works well in unidirectional communication, suitable for broadcast information. b. It does three way ... File System d. The lack of retransmission delays makes it suitable for real-time applications

Last Answer : b. It does three way handshake before sending datagrams

Inthe _________ method, a special packet called a ______ circulates through the ring. A) reservation: control frame B) polling: poll request C) token passing: token D) none of the above

Description : Inthe _________ method, a special packet called a ______ circulates through the ring. A) reservation: control frame B) polling: poll request C) token passing: token D) none of the above

Last Answer : token passing: token

_______ inthe data link layer separates a message from one source toa destination, or from other messages going from other sources to other destinations. A) Digitizing B) Controlling C) Framing D) none of the above

Description : _______ inthe data link layer separates a message from one source toa destination, or from other messages going from other sources to other destinations. A) Digitizing B) Controlling C) Framing D) none of the above

Last Answer : Framing

In computer networks _________ is a characteristic that a flow needs where Lack of it means losing a packet or acknowledgment, which entails retransmission. A. Reliability B. Delay C. Jitter D. Bandwidth

Description : In computer networks _________ is a characteristic that a flow needs where Lack of it means losing a packet or acknowledgment, which entails retransmission. A. Reliability B. Delay C. Jitter D. Bandwidth

Last Answer : A. Reliability

Network Layer is used for (A) Breaking up the data in frames for transmission (B) Deal with Error correction (C) Automatic Recovery of Procedure (D) Physical Architecture

Description : Network Layer is used for (A) Breaking up the data in frames for transmission (B) Deal with Error correction (C) Automatic Recovery of Procedure (D) Physical Architecture

Last Answer : (D) Physical Architecture

In IPv6, the _______ field inthe baseheader and thesender IP address combineto indicate aunique path identifier for aspecific flow of data. A) flow label B) nextheader C) hoplimit D) destination IP address

Description : In IPv6, the _______ field inthe baseheader and thesender IP address combineto indicate aunique path identifier for aspecific flow of data. A) flow label B) nextheader C) hoplimit D) destination IP address

Last Answer : flow label

At the data link layer, Frame Relayusesa protocol that supports _____control. A) flow B) error C) either (a) or (bD)neither (a) nor (b)

Description : At the data link layer, Frame Relayusesa protocol that supports _____control. A) flow B) error C) either (a) or (b D) neither (a) nor (b)

Last Answer : neither (a) nor (b)

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

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

Inthe _______method, after thestation finds the line idle it sends or refrainfrom sending based on the outcome ofa random number generator. If the line is busy, it tries againA)nonpersistentB)1-persistentC)p-persistentD)none of the above

Description : Inthe _______method, after thestation finds the line idle it sends or refrainfrom sending based on the outcome ofa random number generator. If the line is busy, it tries again A) nonpersistent B) 1-persistent C) p-persistent D) none of the above

Last Answer : p-persistent

The subnet gets increasingly loaded with packets causing increase in delay in the delivery of packets, which can lead to more retransmission, and ultimately increasing more and more traffic. This is a concept called as _________ A. blockage B. Traffic jam. C. Congestion D. both a and b

Description : The subnet gets increasingly loaded with packets causing increase in delay in the delivery of packets, which can lead to more retransmission, and ultimately increasing more and more traffic. This is a concept called as _________ A. blockage B. Traffic jam. C. Congestion D. both a and b

Last Answer : C. Congestion

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

Encryption and Decryption is the responsibility of ............... Layer. (A) Physical (B) Network (C) Application (D) Datalink

Description : Encryption and Decryption is the responsibility of ............... Layer. (A) Physical (B) Network (C) Application (D) Datalink

Last Answer : (C) Application

In the following list of devices, which device is used in datalink layer? (1) Repeaters (2) Routers (3) Application gateway (4) Bridge

Description : In the following list of devices, which device is used in datalink layer? (1) Repeaters (2) Routers (3) Application gateway (4) Bridge

Last Answer : Bridge

The network layer issues request to which layer? a. Transport layer b. Data layer c. Application layer d. Session layer

Description : The network layer issues request to which layer? a. Transport layer b. Data layer c. Application layer d. Session layer

Last Answer : b. Data layer

The network layer responds to request from which layer? a. Transport layer b. Data layer c. Application layer d. Session layer

Description : The network layer responds to request from which layer? a. Transport layer b. Data layer c. Application layer d. Session layer

Last Answer : a. Transport layer

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

This first step inthe transaction processing cycle captures businessdata throughvarious modes suchas optical scanning orat an electronic commerce website– (A) Document and report generation (B) Database maintenance (C) Transaction processing startup (D) Data Entry

Description : This first step inthe transaction processing cycle captures businessdata throughvarious modes suchas optical scanning orat an electronic commerce website– (A) Document and report generation (B) Database maintenance (C) Transaction processing startup (D) Data Entry

Last Answer : Data Entry

_______ control refers to aset of proceduresused torestrict the amount ofdata that the sender can send before waiting foracknowledgment. A) Flow B) Error C) Transmission D) none of the above

Description : _______ control refers to aset of proceduresused torestrict the amount ofdata that the sender can send before waiting foracknowledgment. A) Flow B) Error C) Transmission D) none of the above

Last Answer : Flow

The purpose of the _______is to provide flow and error control for the upper-layer protocols that actually demand theseservices A) MAC B) LLC C) LLU D) none of the above

Description : The purpose of the _______is to provide flow and error control for the upper-layer protocols that actually demand theseservices A) MAC B) LLC C) LLU D) none of the above

Last Answer : LLC

The functions of a Logical Link Layer (LLC) are a. Error control b. Flow control c. Creating and managing the communication link between two devices with the help of the Transport layer. d. All the above

Description : The functions of a Logical Link Layer (LLC) are a. Error control b. Flow control c. Creating and managing the communication link between two devices with the help of the Transport layer. d. All the above

Last Answer : d. All the above

The functions of a Logical Link Layer (LLC) are ___. A. Error control B. Flow control C. Creating and managing the communication link between two devices with the help of the Transport layer. D. All the above

Description : The functions of a Logical Link Layer (LLC) are ___. A. Error control B. Flow control C. Creating and managing the communication link between two devices with the help of the Transport layer. D. All the above

Last Answer : D. All the above

ICMP messagesare divided into two broad categories: _____________. A) query and error reporting messages B) request and response messages C) request and reply messages D) noneof the above

Description : ICMP messagesare divided into two broad categories: _____________. A) query and error reporting messages B) request and response messages C) request and reply messages D) noneof the above

Last Answer : query and error reporting messages

Which of the following is not a disadvantage of wireless LAN? A. Slower data transmission B. higher error rate C. interference of transmissions from different computers D. All of theabove

Description : Which of the following is not a disadvantage of wireless LAN? A. Slower data transmission B. higher error rate C. interference of transmissions from different computers D. All of theabove

Last Answer : All of theabove

When 2 or more bits in a data unit has been changed during the transmission, the error is called _____ a. random error b. burst error c. inverted error d. double error

Description : When 2 or more bits in a data unit has been changed during the transmission, the error is called _____ a. random error b. burst error c. inverted error d. double error

Last Answer : b. burst error

When 2 or more bits in a data unit has been changed during the transmission, the error is called ____________ A. random error B. burst error C. inverted error D. double error

Description : When 2 or more bits in a data unit has been changed during the transmission, the error is called ____________ A. random error B. burst error C. inverted error D. double error

Last Answer : B. burst error

The layer of OSI model can use the trailer of the frame for error detection. A) Physical B) Data link C) Transport D) Presentation

Description : The layer of OSI model can use the trailer of the frame for error detection. A) Physical B) Data link C) Transport D) Presentation

Last Answer : A) Physical

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

Which sublayer of the data link layer performs data link functions that depend upon the type of medium? a. logical link control sublayer b. media access control sublayer c. network interface control sublayer d. error control sublayer

Description : Which sublayer of the data link layer performs data link functions that depend upon the type of medium? a. logical link control sublayer b. media access control sublayer c. network interface control sublayer d. error control sublayer

Last Answer : b. media access control sublayer

Which sublayer of the data link layer performs data link functions that depend upon the type of medium? A. logical link control sublayer B. media access control sublayer C. network interface control sublayer D. error control sublayer

Description : Which sublayer of the data link layer performs data link functions that depend upon the type of medium? A. logical link control sublayer B. media access control sublayer C. network interface control sublayer D. error control sublayer

Last Answer : B. media access control sublayer

A television broadcast is anexample of_______ transmission. A) simplex B) half-duplex C) full-duplex D) automatic

Description : A television broadcast is anexample of_______ transmission. A) simplex B) half-duplex C) full-duplex D) automatic

Last Answer : simplex

Communication between acomputer and a keyboardinvolves______________ transmission. A) simplex B) half-duplex C) full-duplex D) automatic

Description : Communication between acomputer and a keyboardinvolves______________ transmission. A) simplex B) half-duplex C) full-duplex D) automatic

Last Answer : simplex

In which layer of OSI client send request to the server? a. Application layer b. Presentation layerc. Session layer d. Transport layer

Description : In which layer of OSI client send request to the server? a. Application layer b. Presentation layer c. Session layer d. Transport layer

Last Answer : c. Session layer

User datagram protocol is called connectionless because _____________ a. all UDP packets are treated independently by transport layer b. it sends data as a stream of related packets c. it is received in the same order as sent order d. it sends data very quickly Answer: Option(a) 4. Transmission control protocol ____

Description : User datagram protocol is called connectionless because _____________ a. all UDP packets are treated independently by transport layer b. it sends data as a stream of related packets c. it is received ... order d. it sends data very quickly Answer: Option(a) 4. Transmission control protocol ____

Last Answer : a. all UDP packets are treated independently by transport layer

The _______ layer ensures reliable transmission on a single link A. network B. physical C. data link D. transport

Description : The _______ layer ensures reliable transmission on a single link A. network B. physical C. data link D. transport

Last Answer : C. data link