TCP is a connectionless protocol. O False QUESTION 20 The Internet is a single network. False QUESTION 21 The best type of fire extinguisher for putting out common, combustible fires is a class C O True OFalse QUESTION 22 What is CMP? O A protocol that provides for certificate operations O An encryption protocol used to verity a key length O An application that decrypts encrypted e-mail A common message protocol that is used in e-mail QUESTION 23 What is IPsec? O A collection of IP security features at the network or packet-processing layer O An application that encrypts e-mail O A standard setting group that dictates internet security standards O The company to first introduce the concept of encryption QUESTION 24 What is PKCS? O One of the standards used in implementing a public key infrastructure A method of private cryptography used by the military O A method of encrypting e-mail from the IRS O The method of encryption that used a 40-bit encryption key