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