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VCE
A service provider is designing a new backbone based on an IGP and MPLS what are two valid reasons for implementing MPLS-TE as well? (Choose two)
A. MPLS-TE is required to reroute traffic within less than 1 second in case of a link failure inside the backbone
B. MPLS-TE can detect and react to neighbor failures faster than IGPs can
C. MPLS-TE is required to route different MPLS QoS Service classes through different paths
D. MPLS-TE is required to create backup paths independently from the IGP
E. MPLS-TE is a prerequisite for implementing RSVP in the backbone
Which mechanism enables small, unmanaged switches to plug into ports of access switches without risking switch loops?
A. PortFast
B. UDLD
C. Root guard
D. BPDU guard
A company would like to distribute a virtual machine (VM) hosting cluster between three data centers with the capability to move VMs between sites. The connectivity between data centers is IP only and the new design should use the existing WAN. Which Layer 2 tunneling technology do you recommend?
A. AToM
B. L2TPv3
C. OTV
D. VPLS