Refertotheexhibit.WhichthreestatementsdescribethestepsthatarerequiredtoconfigureanIPsecsite-to-siteVPNusingaGREtunnel？（）

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/3e0fbb89beeb051d5020e8c24ddb7dcc.png' /> A.Thecommandaccess-list110permitgremustbeconfiguredtospecifywhichtrafficwillbeencrypted. B.Thecommandaccess-list110permitipmustbeconfiguredtospecifywhichhostscanusethetunnel. C.Thetunneldestination172.17.63.18commandmustbeconfiguredontheTunnel0interface. D.ThetunnelmodegrecommandmustbeconfiguredontheTunnel0interface. E.ThetunnelsourceEthernet1commandmustbeconfiguredontheTunnel0interface. F.ThetunnelsourceTunnel0commandmustbeconfiguredontheTunnel0interface.