Which three fields are part of the AH header? (Choose three.)
A.
Destination Address
B.
Source Address
C.
Protocol ID
D.
Next Header
E.
Packet ICV
F.
SPI identifying SA
G.
Application Port
Explanation:
The following AH packet diagram shows how an AH packet is constructed and
interpreted:[8][9]
Authentication Header format
Of
fs
et
s
Oc
te
t1
6
0 1 2 3
Oc
te
t1
6
Bi
t1
0
0 1 2 3 4 5 6 7 8 9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1
0 0 Next Header Payload Len Reserved
4 32 Security Parameters Index (SPI)
8 64 Sequence NumberC 96
Integrity Check Value (ICV)
…
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https://en.wikipedia.org/wiki/IPsec