Data Communications Chapter 7: Data Link Control Protocols

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.