Multiple choice

Which protocol creates a virtual point-to-point to tunnel unencrypted traffic between Routers?

  1. OSPF

  2. IPSec

  3. IKE

  4. GRE

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

GRE (Generic Routing Encapsulation) is a tunneling protocol that creates a virtual point-to-point link to encapsulate a wide variety of network layer protocols inside virtual point-to-point links. It does not provide encryption by itself, which is why it is often paired with IPsec.