Data Communications Chapter 7: Data Link Control Protocols

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Data Link Control Protocols need a layer of logic above the ______ to manage exchange of data over a link.

Physical

Flow control ensures the sending entity does not overwhelm the receiving entity by preventing ______ overflow.

buffer

The model of frame transmission involves the source transmitting a ______, and the destination receiving the frame and replying with an acknowledgement (ACK).

frame

In the Stop and Wait protocol, the source waits for an ______ before sending the next destination.

ACK Signup and view all the answers

Flow Control allows multiple numbered ______ to be in transit.

frames Signup and view all the answers

The sender sends up to ______ frames without ACK.

W Signup and view all the answers

The sequence number is bounded by the size of the field (______).

k Signup and view all the answers

The receiver can send a ______ Not Ready to stop the transmission.

Receive Signup and view all the answers

The error control mechanisms are collectively known as ______.

ARQ Signup and view all the answers

In Go Back N, if an error occurs, the receiver discards that frame and all future frames until the error frame is received ______.

correctly Signup and view all the answers

In Go Back N Handling, if frame i is ______, the receiver rejects frame i.

damaged Signup and view all the answers

If the transmitter times out on frame i, it sends an ACK with the ______ bit set.

P Signup and view all the answers

In Selective Reject, only ______ frames are retransmitted.

rejected Signup and view all the answers

High Level Data Link Control (HDLC) is specified as ______.

ISO 33009, ISO 4335 Signup and view all the answers

In HDLC, the primary station ______ the operation of the link.

controls Signup and view all the answers

HDLC uses ______ transmission of frames, which uses a single frame format.

synchronous Signup and view all the answers

In HDLC, the flag fields are used to delimit the frame at both ends with the sequence ______.

01111110 Signup and view all the answers

In HDLC, the Address Field usually identifies the ______ station that sent or will receive the frame.

secondary Signup and view all the answers

In HDLC, the Control Field is different for different ______ types.

frame Signup and view all the answers

In HDLC, bit stuffing is used to avoid confusion with data containing the ______ sequence.

flag Signup and view all the answers

Supervisory - ARQ is used when ______ is not used

piggyback Signup and view all the answers

The first 1-2 bits of the control field identify the ______ type

frame Signup and view all the answers

In the command frame, the P bit is set to 1 to ______ a response from the peer

solicit Signup and view all the answers

The sequence number usually has ______ bits

3 Signup and view all the answers

HDLC Operation consists of an exchange of ______, supervisory and unnumbered frames

information Signup and view all the answers

The sequence number is bounded by the size of the field (______), giving max window size of up to 2k - 1.

k Signup and view all the answers

Mitter sends up to ______ frames without ACK.

W Signup and view all the answers

If an error occurs, the receiver discards that frame and all future frames until the error frame is received ______.

correctly Signup and view all the answers

In Stop and Wait protocol, the receiver gets two copies of frame and uses ______ numbering and ACK0 / ACK1.

alternate Signup and view all the answers

The error control mechanisms are collectively known as ______ repeat request.

Automatic Signup and view all the answers

If the receiver rejects frame i, the transmitter retransmits frames from ______.

i Signup and view all the answers

In Go Back N Handling, if an error occurs in frame i, the receiver rejects frame ______ and all subsequent frames.

i Signup and view all the answers

In Selective Reject, the receiver must maintain a large enough ______ to buffer subsequent frames.

buffer Signup and view all the answers

If an acknowledgement for frame i is lost, the transmitter times out and sends an ACK with the ______ bit set.

P Signup and view all the answers

In Go Back N Handling, if frame i is lost, the transmitter retransmits frames from ______ and the receiver gets frame i+1 out of sequence.

i Signup and view all the answers

The Data Link Control Protocols need a layer of logic above the ______ to manage exchange of data over a link.

Physical Signup and view all the answers

The model of frame transmission involves the source transmitting a ______, and the destination receiving the frame and replying with an acknowledgement (ACK).

frame Signup and view all the answers

Flow Control ensures the sending entity does not overwhelm the receiving entity by preventing ______ overflow.

buffer Signup and view all the answers

Flow Control allows multiple numbered ______ to be in transit.

frames Signup and view all the answers

In the Stop and Wait protocol, the source waits for an ______ before sending the next destination.

acknowledgement Signup and view all the answers

HDLC uses __________ transmission of frames, which uses a single frame format.

synchronous Signup and view all the answers

In HDLC, bit stuffing is used to avoid confusion with data containing the __________ sequence.

flag Signup and view all the answers

In HDLC, the flag fields are used to delimit the frame at both ends with the sequence __________.

01111110 Signup and view all the answers

In HDLC, the Control Field is different for different __________ types.

frame Signup and view all the answers

In HDLC, 0 is inserted after every sequence of five __________.

1s Signup and view all the answers

HDLC Operation consists of an exchange of information, ______ and unnumbered frames.

supervisory Signup and view all the answers

In HDLC, the sequence number usually has ______ bits.

3 Signup and view all the answers

HDLC uses ______ transmission of frames, which uses a single frame format.

asynchronous Signup and view all the answers

The error detection mechanism in HDLC is usually done using ______ bit CRC or 32 bit CRC.

16 Signup and view all the answers

In HDLC, the Control Field is different for different ______ types.

frame Signup and view all the answers

The error control mechanisms are collectively known as Automatic Repeat ______.

Request Signup and view all the answers

If an error occurs, the receiver discards that frame and all future frames until the error frame is received ______.

correctly Signup and view all the answers

The receiver can send a Receive Not ______ to stop the transmission.

Ready Signup and view all the answers

HDLC frame structure uses synchronous transmission of _______ : single frame format used.

frames Signup and view all the answers

The sequence number is bounded by the size of the field (k), giving max window size of up to ______ - 1.

2k Signup and view all the answers

In HDLC, bit stuffing is used to avoid confusion with data containing the _______ sequence.

flag Signup and view all the answers

In Stop and Wait protocol, the receiver gets two copies of frame and uses alternate ______ and ACK0 / ACK1.

numbering Signup and view all the answers

The Address Field identifies the _______ station that sent or will receive the frame.

secondary Signup and view all the answers

HDLC Transfer Modes include _______ Response Mode (NRM) and Asynchronous Balanced Mode (ABM).

Normal Signup and view all the answers

HDLC uses _______ transmission of frames, which uses a single frame format used.

synchronous Signup and view all the answers

In Go Back N Handling, if an error occurs in frame i, the receiver rejects frame i and all ______ frames.

subsequent Signup and view all the answers

HDLC uses bit stuffing to avoid confusion with data containing the ______ sequence.

flag Signup and view all the answers

In Selective Reject, the receiver must maintain a large enough ______ to buffer subsequent frames.

buffer Signup and view all the answers

If an acknowledgement for frame i is lost, the transmitter times out and sends an ACK with the ______ bit set.

P Signup and view all the answers

In Go Back N Handling Damaged Frame, error in frame i so receiver rejects frame i and transmitter retransmits frames from ______.

i Signup and view all the answers

Data Link Control Protocols need a layer of logic above the ______ to manage exchange of data over a link.

Physical Signup and view all the answers

In the model of frame transmission, the source transmits a ______, and the destination receives the frame and replies with an acknowledgement (ACK).

frame Signup and view all the answers

Flow Control ensure sending entity does not overwhelm receiving entity by preventing ______ overflow.

buffer Signup and view all the answers

In HDLC, the error detection mechanism is usually done using ______ bit CRC or 32 bit CRC.

16 Signup and view all the answers

Flow Control allows multiple numbered ______ to be in transit.

frames Signup and view all the answers

HDLC Operation consists of exchange of information, supervisory and unnumbered frames have three phases including ________, data transfer and disconnect.

initialization Signup and view all the answers

Data Communications Chapter 7: Data Link Control Protocols

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Questions and Answers

Data Link Control Protocols need a layer of logic above the ______ to manage exchange of data over a link.

Flow control ensures the sending entity does not overwhelm the receiving entity by preventing ______ overflow.

The model of frame transmission involves the source transmitting a ______, and the destination receiving the frame and replying with an acknowledgement (ACK).

In the Stop and Wait protocol, the source waits for an ______ before sending the next destination.

Flow Control allows multiple numbered ______ to be in transit.

The sender sends up to ______ frames without ACK.

The sequence number is bounded by the size of the field (______).

The receiver can send a ______ Not Ready to stop the transmission.

The error control mechanisms are collectively known as ______.

In Go Back N, if an error occurs, the receiver discards that frame and all future frames until the error frame is received ______.

In Go Back N Handling, if frame i is ______, the receiver rejects frame i.

If the transmitter times out on frame i, it sends an ACK with the ______ bit set.

In Selective Reject, only ______ frames are retransmitted.

High Level Data Link Control (HDLC) is specified as ______.

In HDLC, the primary station ______ the operation of the link.

HDLC uses ______ transmission of frames, which uses a single frame format.

In HDLC, the flag fields are used to delimit the frame at both ends with the sequence ______.

In HDLC, the Address Field usually identifies the ______ station that sent or will receive the frame.

In HDLC, the Control Field is different for different ______ types.

In HDLC, bit stuffing is used to avoid confusion with data containing the ______ sequence.

Supervisory - ARQ is used when ______ is not used

The first 1-2 bits of the control field identify the ______ type

In the command frame, the P bit is set to 1 to ______ a response from the peer

The sequence number usually has ______ bits

HDLC Operation consists of an exchange of ______, supervisory and unnumbered frames

The sequence number is bounded by the size of the field (______), giving max window size of up to 2k - 1.

Mitter sends up to ______ frames without ACK.

If an error occurs, the receiver discards that frame and all future frames until the error frame is received ______.

In Stop and Wait protocol, the receiver gets two copies of frame and uses ______ numbering and ACK0 / ACK1.

The error control mechanisms are collectively known as ______ repeat request.

If the receiver rejects frame i, the transmitter retransmits frames from ______.

In Go Back N Handling, if an error occurs in frame i, the receiver rejects frame ______ and all subsequent frames.

In Selective Reject, the receiver must maintain a large enough ______ to buffer subsequent frames.

If an acknowledgement for frame i is lost, the transmitter times out and sends an ACK with the ______ bit set.

In Go Back N Handling, if frame i is lost, the transmitter retransmits frames from ______ and the receiver gets frame i+1 out of sequence.

The Data Link Control Protocols need a layer of logic above the ______ to manage exchange of data over a link.

The model of frame transmission involves the source transmitting a ______, and the destination receiving the frame and replying with an acknowledgement (ACK).

Flow Control ensures the sending entity does not overwhelm the receiving entity by preventing ______ overflow.

Flow Control allows multiple numbered ______ to be in transit.

In the Stop and Wait protocol, the source waits for an ______ before sending the next destination.

HDLC uses __________ transmission of frames, which uses a single frame format.

In HDLC, bit stuffing is used to avoid confusion with data containing the __________ sequence.

In HDLC, the flag fields are used to delimit the frame at both ends with the sequence __________.

In HDLC, the Control Field is different for different __________ types.

In HDLC, 0 is inserted after every sequence of five __________.

HDLC Operation consists of an exchange of information, ______ and unnumbered frames.

In HDLC, the sequence number usually has ______ bits.

HDLC uses ______ transmission of frames, which uses a single frame format.

The error detection mechanism in HDLC is usually done using ______ bit CRC or 32 bit CRC.

In HDLC, the Control Field is different for different ______ types.

The error control mechanisms are collectively known as Automatic Repeat ______.

If an error occurs, the receiver discards that frame and all future frames until the error frame is received ______.

The receiver can send a Receive Not ______ to stop the transmission.

HDLC frame structure uses synchronous transmission of _______ : single frame format used.

The sequence number is bounded by the size of the field (k), giving max window size of up to ______ - 1.

In HDLC, bit stuffing is used to avoid confusion with data containing the _______ sequence.

In Stop and Wait protocol, the receiver gets two copies of frame and uses alternate ______ and ACK0 / ACK1.

The Address Field identifies the _______ station that sent or will receive the frame.

HDLC Transfer Modes include _______ Response Mode (NRM) and Asynchronous Balanced Mode (ABM).

HDLC uses _______ transmission of frames, which uses a single frame format used.

In Go Back N Handling, if an error occurs in frame i, the receiver rejects frame i and all ______ frames.

HDLC uses bit stuffing to avoid confusion with data containing the ______ sequence.

In Selective Reject, the receiver must maintain a large enough ______ to buffer subsequent frames.

If an acknowledgement for frame i is lost, the transmitter times out and sends an ACK with the ______ bit set.

In Go Back N Handling Damaged Frame, error in frame i so receiver rejects frame i and transmitter retransmits frames from ______.

Data Link Control Protocols need a layer of logic above the ______ to manage exchange of data over a link.

In the model of frame transmission, the source transmits a ______, and the destination receives the frame and replies with an acknowledgement (ACK).

Flow Control ensure sending entity does not overwhelm receiving entity by preventing ______ overflow.

In HDLC, the error detection mechanism is usually done using ______ bit CRC or 32 bit CRC.

Flow Control allows multiple numbered ______ to be in transit.

HDLC Operation consists of exchange of information, supervisory and unnumbered frames have three phases including ________, data transfer and disconnect.

The Control Field use of Poll/Final bit depends on the ________ in command frame.

The Information Field in HDLC must contain an ________ number of octets.

HDLC uses ________ transmission of frames, which uses a single frame format.

The Frame Check Sequence Field in HDLC is used for ________ detection.

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