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