Question:
Which two statements about MPLS are true? (Choose two)
- It provides automatic authentication
- It can carry multiple protocols, including IPv4 and IPv6
- It encapsulates all traffic in an IPv4 header
- It uses labels to separate and foward customer traffic
- It tags customer traffic using 802.1q
Explanation: MPLS supports IPv4, IPv6, IPX, AppleTalk at the network layer. MPLS supports Ethernet, Token Ring, FDDI, ATM, FR, PPP at the link layer.
MPLS uses label switching to forward packets over Ethernet. Labels are assigned to packets based on groupings or forwarding equivalence classes (FECs). The label is added between the Layer 2 and the Layer 3 header.
Exam with this question: CCNA v3.0 (200-125) Study Guide – Exam Dumps
Please login or Register to submit your answer