The pics have something in them they look wierd and i cant read them
AH is an important IPSec security protocol that provides packet authentication and anti-replay services. AH is defined in RFC 2402 and uses IP protocol security
The AH protocol only provides a mechanism for authentication. AH provides data integrity, data origin authentication, and optional replay protection services.
AH-style authentication authenticates the entire IP packet, including the outer IP header, while the ESP authentication mechanism only authenticates the IP datagram portion of the IP packet. Each protocol can be used alone to protect IP packets, or both protocols can be used together in the same IP packet.
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I am pretty sure it is c, i hope i helped
Replication is used to ensure there is an adequate number of observations in each experimental condition.
<h3>
What is observation?</h3>
Information from a primary source is actively acquired through observation. Observation of living things makes use of the senses. Using scientific tools to perceive and record data is another way that observation can be used in science. The phrase can also be used to describe any data gathered for the scientific endeavor. Observations can be quantitative if a numerical value is assigned to the observed phenomena by counting or measuring, or qualitative if just the existence or absence of a property is documented.
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