Overlay Tunnels (ENCOR/CCNP Quiz) 1. Which of the following is the message exchange mode used to establish an IKEv1 IPsec SA? Main mode CREATE_CHILD_SA Aggressive mode Quick mode 2. Which of the following are encryption protocols that should be avoided? (Choose two.) DES GMAC AES 3DES GCM 3. What is the destination UDP port used by the LISP data plane? 4142 4143 4342 4341 4. Which of the following should not be dynamically advertised via an IGP into a GRE tunnel? The GRE tunnel source interface or source IP address The GRE tunnel IP address Connected interfaces Loopback interfaces 5. True or false: ETRs are the only devices responsible for responding to map requests originated by ITRs. TRUE FALSE 6. GRE was originally created to provide transport for non-routable legacy protocols. TRUE FALSE 7. Which of the following are modes of packet transport supported by IPsec? (Choose two.) Crypto mode Tunnel mode Transparent mode Transport mode 8. True or False: The VXLAN specification defines a data plane and a control plane for VXLAN. TRUE FALSE 9. LISP separates IP addresses into which of the following? (Choose two.) EIDs LISP entities RLOCs Subnets and hosts 10. Which of the following UDP ports is the UDP port officially assigned by the IANA for VXLAN? 4789 8947 8472 4987 Loading … Written by