Static Point-To-Point GRE Tunnels CCIE-ENTERPRISE-INFRASTRUCTURE Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   What is the primary purpose of a Generic Routing Encapsulation (GRE) tunnel?

   • ATo encapsulate a wide variety of network layer protocols inside an IP tunnel
   • BTo provide encryption and authentication for data traversing a public network
   • CTo replace the need for routing protocols on a network
   • DTo compress data to reduce bandwidth usage
   Reveal Solution Discussion Select an answer first
2. 2foundation · easy

   Which characteristic is true of a GRE tunnel?

   • AIt operates at Layer 2 of the OSI model
   • BIt provides built-in encryption and authentication
   • CIt supports only IP as the passenger protocol
   • DIt can encapsulate multicast and broadcast traffic
   Reveal Solution Discussion Select an answer first
4. 3foundation · easy

   Which command is used to define the source interface or IP address of a GRE tunnel on a Cisco IOS router?

   • Aip address
   • Btunnel destination
   • Ctunnel source
   • Dtunnel mode
   Reveal Solution Discussion Select an answer first
5. 4foundation · easy

   When configuring a static point-to-point GRE tunnel, what must be configured on the tunnel interface to allow routing over the tunnel?

   • AAn IP address on the tunnel interface
   • BA tunnel key
   • CA tunnel mode of ipv6
   • DA tunnel checksum
   Reveal Solution Discussion Select an answer first
6. 5foundation · easy

   Which command would you use to verify the operational status of a GRE tunnel interface?

   • Ashow running-config
   • Bshow version
   • Cshow ip interface brief
   • Dshow ip route
   Reveal Solution Discussion Select an answer first