CCIE系列認(rèn)證CCIE 415Q單項(xiàng)選擇題每日一練(2019.01.14)

來源：考試資料網(wǎng)

1 For a router connected to two ISPs for redundancy， using IPSLA and static routing， how would you configure uRPF on the uplink interface？（）

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2 A network is composed of several VRFs. It is required that VRF users VRF_A and VRF_B be able to route to and from VRF_C， which hosts shared services. However， traffic must not be allowed to flow between VRF_A and VRF_B. How can this be accomplished？（）

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3 Two directly connected routers， R1 and R2， are both configured for OSPF graceful restart. R2 is able to switch packets in hardware， but R1 is not. If a network administrator logs on to R2 and performs a system reload， which will be the result？（）

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4 Which of these tables is used by an LSR to perform a forwarding lookup for a packet destined to an address within an RFC 4364 VPN？（）

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5 panning Tree Protocol calculates path cost based on which of these？（）

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