Answer: Presenting the key is: Constructive delivery
Explanation:
Constructive delivery is done instead of or in a place of actual,real delivery it symbolises what is being delivered without practical delivering it. Constructive delivery symbolises the fact that someone has received ownership of what is being represented by the key for instant.
It is more common where property or possession ownership is being transferred to someone else.
Answer:
b. Representative democracies
Explanation:
A representative democracy is a type of government that is supports the idea of representatives being elected by citizens in order to have their needs and interests represented. This is usually mentioned in contrast to direct democracies, which are those in which people vote on issues directly. Almost all democracies that exist nowadays are representative, and this type of government is the most used political system in the world nowadays.
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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