ТСР Неader Byte Offset 0 Source Port Destination Port Sequence Number 20 Bytes Offset Acknowledgment Number TCP Flags Reserved C E U A P R SF 12 Offset Window 16 Checksum Urgent Pointer 20 TCP Options (variable length, optional) Bit o 1 2 3 4 5 6 7'8 9 o 1 2 3 4 56 7 8 9 6 1 2 3'4 5 6 7 8 9 % E Nibble FByte FWord TCP Flags Congestion Notification TCP Options Offset O End of Options List 1 No Operation (NOP, Pad) 2 Maximum segment size 3 Window Scale CEUAPRS F ECN (Explicit Congestion Notification). See RFC 3168 for full details, valid states below. Number of 32-bit words in TCP header, minimum value of 5. Multiply by 4 to get byte count. Congestion Window C Ox80 Reduced (CWR) E Ox40 ECN Echo (ECE) U Ox20 Urgent A Ox10 Ack P Ox08 Push R Ox04 Reset S Ox02 Syn F Ox01 Fin 4 Selective ACK ok Packet State DSB ECN bits Syn 00 Syn-Ack 00 8 Timestamp RFC 793 11 01 Ack 01 00 Please refer to RFC 793 for the complete Transmission Control Protocol (TCP) Specification. Checksum No Congestion 01 No Congestion 10 00 00 Checksum of entire TCP Congestion 11 Receiver Response 11 01 Sender Response 11 segment and pseudo header (parts of IP header) 00 11 Copyright 2008 - Matt Baxter - mjb@fatpipe.org - www.fatpipe.org/-mjb/Drawings/ | answers should be in lower case: 1: What are the 2 UNIQUE Flags of TCP used in a 3 - Way Handshake session 4.
ТСР Неader Byte Offset 0 Source Port Destination Port Sequence Number 20 Bytes Offset Acknowledgment Number TCP Flags Reserved C E U A P R SF 12 Offset Window 16 Checksum Urgent Pointer 20 TCP Options (variable length, optional) Bit o 1 2 3 4 5 6 7'8 9 o 1 2 3 4 56 7 8 9 6 1 2 3'4 5 6 7 8 9 % E Nibble FByte FWord TCP Flags Congestion Notification TCP Options Offset O End of Options List 1 No Operation (NOP, Pad) 2 Maximum segment size 3 Window Scale CEUAPRS F ECN (Explicit Congestion Notification). See RFC 3168 for full details, valid states below. Number of 32-bit words in TCP header, minimum value of 5. Multiply by 4 to get byte count. Congestion Window C Ox80 Reduced (CWR) E Ox40 ECN Echo (ECE) U Ox20 Urgent A Ox10 Ack P Ox08 Push R Ox04 Reset S Ox02 Syn F Ox01 Fin 4 Selective ACK ok Packet State DSB ECN bits Syn 00 Syn-Ack 00 8 Timestamp RFC 793 11 01 Ack 01 00 Please refer to RFC 793 for the complete Transmission Control Protocol (TCP) Specification. Checksum No Congestion 01 No Congestion 10 00 00 Checksum of entire TCP Congestion 11 Receiver Response 11 01 Sender Response 11 segment and pseudo header (parts of IP header) 00 11 Copyright 2008 - Matt Baxter - mjb@fatpipe.org - www.fatpipe.org/-mjb/Drawings/ | answers should be in lower case: 1: What are the 2 UNIQUE Flags of TCP used in a 3 - Way Handshake session 4.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
Transcribed Image Text:ТСР Неader
Byte
Offset
Source Port
Destination Port
4
Sequence Number
20
8
Acknowledgment Number
Bytes
Offset
12
TCP Flags
CEUAPRS F
Offset
Reserved
Window
16
Checksum
Urgent Pointer
20
TCP Options (variable length, optional)
Bit To 1 2 3 4 5 6 7'8 9 o 1 2 3 4 5 6 7 8 9 % 1 2 34 5 6 7 8 9 %
Nibble F Byte
Word
TCP Flags
Congestion Notification
TCP Options
Offset
O End of Options List
1 No Operation (NOP, Pad)
2 Maximum segment size
3 Window Scale
CEUAPRS F
ECN (Explicit Congestion
Notification). See RFC
Number of 32-bit words in
TCP header, minimum value
Congestion Window 3168 for full details, valid
C Ox80 Reduced (CWR)
E Ox40 ECN Echo (ECE)
U Ox20 Urgent
А Ох10 Ack
P Ox08 Push
R Ox04 Reset
S Ox02 Syn
F Ox01 Fin
of 5. Multiply by 4 to get
byte count.
states below.
4 Selective ACK ok
Packet State DSB ECN bits
8 Timestamp
Syn 00
Syn-Ack 00
01
11
RFC 793
01
Ack
00
Checksum
Please refer to RFC 793 for
No Congestion 01
the complete Transmission
Control Protocol (TCP)
Specification.
00
00
No Congestion
10
Checksum of entire TCP
Congestion
Receiver Response
Sender Response
segment and pseudo
header (parts of IP header)
11
00
11
01
11
11
Copyright 2008 - Matt Baxter - mjb@fatpipe.org - www.fatpipe.org/-mjb/Drawings/
All answers should be in lower case:
Q1:What are the 2 UNIQUE Flags of TCP used in a 3 - Way Handshake session
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