Overlay Tunnels (ENCOR/CCNP Quiz) 1. Which of the following UDP ports is the UDP port officially assigned by the IANA for VXLAN? 4987 8472 4789 8947 2. GRE was originally created to provide transport for non-routable legacy protocols. FALSE TRUE 3. Which of the following should not be dynamically advertised via an IGP into a GRE tunnel? The GRE tunnel IP address The GRE tunnel source interface or source IP address Loopback interfaces Connected interfaces 4. Which of the following are modes of packet transport supported by IPsec? (Choose two.) Transparent mode Crypto mode Transport mode Tunnel mode 5. 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 6. Which of the following commands are optional for GRE configuration? (Choose two.) tunnel destination ip-address keepalive tunnel source {ip-address | interface-id} tunnel mode gre {ip | ipv6} 7. LISP separates IP addresses into which of the following? (Choose two.) EIDs LISP entities RLOCs Subnets and hosts 8. True or false: ETRs are the only devices responsible for responding to map requests originated by ITRs. TRUE FALSE 9. What is the destination UDP port used by the LISP data plane? 4341 4342 4142 4143 10. True or False: The VXLAN specification defines a data plane and a control plane for VXLAN. TRUE FALSE Loading … Written by