單項選擇題What is the role of Forwarding Equivalence Class (FEC) in MPLS?()

A.FEC determines how IP packets are forwarded in MPLS LSP.
B.FEC determines how to establish an LSP path.
C.FEC determines how a group of IP packets are mapped to an LSP.
D.FEC determines how MPLS labels are stacked in LSP.
E.None of above.


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1.單項選擇題The IPv6 address FE80::656:78FF:FE9A:BCDE is what type of address?()

A.Site-local
B.Link-local
C.Multicast
D.None of the above

3.單項選擇題Using more than one label on a single packet is required in what context?()

A.MPLS TE
B.MPLS VPN
C.When CEF switching and Label switching is done
D.In all the above circumstances

4.單項選擇題Which of the following processes are likely to be found in a microkernel?()

A.Lightweight messaging
B.Memory management
C.Hardware abstraction
D.Host stack
E.Process scheduling
F.All of the above

5.多項選擇題What are BCP 38 (Best Common Practices 38)/RFC 2827 Ingress Packet Filtering Principles?()

A.Filter Smurf ICMP packets.
B.Filter as close to the core as possible
C.Filter as close to the edge as possible
D.Filter as precisely as possible
E.Filter both source and destination where possible