Question

Differentiate between trusted-source-security and antispoofing-security techniques.

Trusted-source security is more reliable in most situations.
Antispoofing security also decapsulates, while trusted source security does not.
Antispoofing security checks whether the sender is in-network; trusted-source security does not.
Trusted-source security checks IP addresses, while antispoofing security does not.

Answer 1

A spoof is a the source address of an incoming packet is changed to make it appear as if it is coming from a known, trusted source. Anti-spoofing, which is sometimes spelled anti-spoofing, is sometimes implemented by Internet Service Providers (ISPs) on behalf of their customers.A spoof is a the source address of an incoming packet is changed to make it appear as if it is coming from a known, trusted source.
Trusted source security is more reliable due to the fact that its well known and of course it state's in it that it can be trusted.
A.