A network designer has provisioned a router to use IPsec to encrypt the traffic over a GRE tunnel going to a web server at a remote location. From the router, the network designer can ping the web server, although the users in the office comment that they are unable to reach it. (Note: The DF bit is not set.) Which aspect should be changed in the design of the virtual connection?

The P4S company is deploying OSPF on a point-to-multipoint Frame Relay network. The remote sites needn??t to communicate with each other and there are a relatively small number of sites (scaling is not a concern). How to configure OSPF for this topology in order to minimize the additional routing information injected into the network and keep the configuration size and complexity to a minimum?

Refer to the exhibit. In this design, which technology would provide for the best use of resources to provide end-to-end Layer 2 connectivity?

Which statement describes the main difference between the Layer 2 loop-free inverted U design and the Layer 2 loop-free U design?

Which two features can be used to extend VRFs across a campus? (Choose two.)