________ is one method of thwarting DoS attacks by dropping all IP packets from an attacker

The key difference between a lien theory state and a title theory state is:

(a) In a lien theory state, the property owner holds title but in a title theory state the lender or trustee holds title. (b) In a title theory state, the property owner always holds title. (c) Only a lien theory state uses legal documents to convey property rights. (d) A title theory state will collect more transfer taxes because of the extra steps.

Jim entered into an oral agency agreement with Sally in which he authorized Sally to sell his interest in a parcel of real estate, Blueacre. Within 7 days, Sally sold Blueacre to Dan, signing the real estate contract on behalf of Jim. Dan failed to record the real estate contract within a reasonable time. Which of the following most likely is true?

A. Dan may enforce the real estate contract against Jim because it satisfied the statute of frauds. B. Dan may enforce the real estate contract against Jim because Sally signed the contract as Jim's agent. C. The real estate contract is unenforceable against Jim because Sally's authority to sell Blueacre was oral. D. The real estate contract is unenforceable against Jim because Dan failed to record the contract within a reasonable time.