多項(xiàng)選擇題

Which tree of these are types of Ethernet Virtue Connections （EVCs） in the MEF concept？（）

A.multipart-to-multipoint EVC （E-LAN）
B.hub spoke EVC （E-Tree）
C.point to point EVC （E-Line）
D.rooted multipoint EVC （E-Tree）
E.point-to-multipoint EVC （E-Tree）

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多項(xiàng)選擇題

Which three statements about MPLS traffic engineering （MPLS TE） are true？（）

A.MPLS TE supports admission control
B.MPLS TE tunnel traffic is a link attribute to compute the TE tunnel path
C.MPLS TE uses BGP extension to advertise link attributes
D.MPLS TE provides protection capability
E.MPLS TE uses RSVP to establish LSP

多項(xiàng)選擇題

Which three are advantages of SONET？（）

A.Allows the transportation of all forms of traffic
B.Multiplexing is easy
C.Clocks do not need to be synchronized
D.Reduces network complexity and cost
E.Padding is not necessary and not permitted

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Which tree of these are types of Ethernet Virtue Connections （EVCs） in the MEF concept？（）

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Which three statements about MPLS traffic engineering （MPLS TE） are true？ （）

Which three are advantages of SONET？（）

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Which tree of these are types of Ethernet Virtue Connections （EVCs） in the MEF concept？（）

Which three statements about MPLS traffic engineering （MPLS TE） are true？（）