單項選擇題Which of the following technologies can improve convergence time following a link failure in a serviceprovider network?()

A.MPLS TE FR
B.MPLS VPN
C.BFD
D.RSVP
E.VPLS
F.SNMP


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A.Lower power consumption
B.Lower maintenance cost
C.Simplified configuration
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2.單項選擇題With the DSCP value fo "101110", what does the "11" in bits 1 and 2 indicate ?()

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C.CS(Class Selector Value )
D.PHB (Per-Hop Behavior )
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3.多項選擇題SONET’s three layers are().

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B.Line
C.Frame
D.Path
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4.單項選擇題Which of the following descriptions about IP spoofing is correct?()

A.IP source address is forged
B.IP destination address is forged
C.IP TCP source port is forged
D.IP TCP destination port is forged
E.None of above

5.多項選擇題Which methods would enable traffic to be forwarded along an MPLS TE tunnel?()

A.MP-BGP routing
B.Static routing
C.Policy routing
D.Autoroute
E.Forwarding adjacency

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