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14 Cards in this Set

  • Front
  • Back
flow control
the management of data flow between devices in a network. used to avoid too much data arriving before a device can handle it, causing data overflow
control data
data that directs a process (a flag in a data-link frame)
Internet Assigned Numbers Authority: an organization that assigns the numbers important to the proper operation of the TCP/IP protocol and the inter, including assigning globally unique IP addresses
well-known ports
used by TCP and UDP, with values between 0 and 1023, these ports are allocated by high-privilege processes.
registered ports
using values between 1024 and 49151, these numbers are equivalent to well-known ports in concept, but they are specifically used for non-privileged application processes
dynamic or private ports
TCP and UDP ports that range from 49152 to 65535 and are not used by any defined server applications
a 1-bit flag in the TCP header used to indicate that the receiving host should notify the destination process to do urgent processing
a 1-bit flag in the TCP header that indicates the acknowledgment field is valid
a 1-bit flag in the TCP header that is used to request to the higher layers for immediate delivery of the packet
a 1-bit flag in the TCP header that is used to request that a connection be re-established
a 1-bit flag in the TCP header used to indicate the initial value of the sequence number. the SYN flag is only set in the first two segments of the three-way TCP connection establishment sequence
a 1-bit field in the TCP header that is used by a device that wants to terminate its session with the other device. this is done by inserting the FIN flag in the flag field found in the TCP segment
a notification sent from one network device to another to confirm that some event has occurred
window size
as filed in the TCP header that is set in a sent segment, signifies the maximum amount of unacknowledged data the host is willing to receive before the other sending host must wait for an acknowledgment. used for flow control