單項(xiàng)選擇題GMPLS is based upon：（）

A.Packet-based switching devices
B.VPI/VCI-based switching devices
C.Non-Packet-based devices
D.None of the above
E.A and B


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1.單項(xiàng)選擇題In the context of MPLS Traffic engineering， TE path calculation is conducted by（）.

A.TE middle point
B.TE tail end
C.TE head end
D.All TE nodes along the path
E.Independent server

2.單項(xiàng)選擇題What is the default SPF throuttle timer in OSPF？（）

A.0ms
B.10ms
C.500ms
D.1s
E.5s
F.30s

3.多項(xiàng)選擇題Which three choices are BGP Extended communities used in MPLS-VPN deployment？（）

A.Site Of Origin SOO
B.Route-Target
C.Route-Distinguisher
D.Domain Identifier BGP extended commumity

4.單項(xiàng)選擇題When configuring Multicast VPN （MVPN） over an MPLS core， both the Default and Data MDT isconfigured under which configuration mode？（）

A.router（config）#
B.router（config-if）#
C.router（config-vrf）#
D.router（config-router）#
E.router（config-router-af）#

5.多項(xiàng)選擇題Which two statements best describe EtherChannel？（）

A.EtherChannel technology helps aggregate traffic grouping multiple，full-duplex point-to-point linkstogether
B.EtherChannel technology is based on the 802.1 IEEE stand
C.EtherChannel can aggregate up to 800 Mbps，8 Gbps，or Gbps of aggregate bandwidth for a Fast EtherChannel，Gigabit EtherChannel，or 10 Gigabit EtherChannel connection respectively
D.EtherChannel is defined for Rapid Spanning Tree for faster convergence