Valid 642-889 Dumps shared by EduDump.com for Helping Passing 642-889 Exam! EduDump.com now offer the newest 642-889 exam dumps, the EduDump.com 642-889 exam questions have been updated and answers have been corrected get the newest EduDump.com 642-889 dumps with Test Engine here:
Which Layer 2 VPN technology is implemented over an IP core network without the need for MPLS?
Correct Answer: D
Explanation/Reference: Explanation: http://www.cisco.com/en/US/docs/ios/12_3t/12_3t2/feature/guide/gtl2tpv3.html#wp1040784 The Layer 2 Tunnel Protocol Version 3 feature expands on Cisco support of the Layer 2 Tunnel Protocol Version 3 (L2TPv3). L2TPv3 is an Internet Engineering Task Force (IETF) l2tpext working group draft that provides several enhancements to L2TP for the capability to tunnel any Layer 2 payload over L2TP. Specifically, L2TPv3 defines the L2TP protocol for tunneling Layer 2 payloads over an IP core network using Layer 2 virtual private networks (VPNs). Benefits of this feature include the following: *L2TPv3 simplifies deployment of VPNs *L2TPv3 does not require Multiprotocol Label Switching *L2TPv3 supports Layer 2 tunneling over IP for any payload