There are two Community-filter ip Community-filter 1 permit 100: 1 200:1 ip community-filter 2 permit 100: 1 ip Community-filter 2 permit 200:1 Which is the correct description of the above Community-filter? (Multiple Choice)

• A.As long as the community attribute value carried in the BGP route contains 100:1 or 200:1 or both, the BGP route will match the community-filter2
• B.Only when the community attribute value carried in the BGP route contains 100:1 and 200:1, the BGP route will match 1
• C.Only when the community attribute value carried in the BGP route contains 100:1 and 200:1, the BGP route will match 2
• D.As long as the community attribute value carried in the BGP route contains 100:1 or 200:1 or both, the BGP route will match the community-filter1

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There are now two gateway routers that provide services for hosts on a LAN network to connect to the extranet. What techniques should be used on these two redundant routers to make them the default gateway for hosts in the LAN network?

• A.RIP
• B.VRRP
• C.DHCP
• D.BOOTP
• E.OSPF

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A company has built an OSPF network as shown in the following figure. The links form an OSPF neighbor relationship. All devices have announced their own loopback address. On one day, the S1-R2 and S2-R1 links are faulty. Which of the following description is correct? (Area 0 is split) (Multiple choice)

• A.R5 can learn the loopback route of R2 normally.
• B.R1 can learn the loopback route of R2 normally.
• C.R3 can learn the loopback route of R2 normally.
• D.R3 cannot learn the loopback route of R2.

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What is the role of RT in MPLS VPN? (Multiple Choice)

• A.Allow the peer CE to decide which VPNv4 routes to import into the specific VRF.
• B.Allow the peer PE to decide which VPNv4 routes will not be imported into the specific VRF.
• C.Allow the peer PE to decide which VPNv4 routes to import into the specific VRF.
• D.Allow the peer CE to decide which VPNv4 routes will not be imported into the specific VRF.

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The following topology is available, and based on this analysis, which of the following statement is correct?

• A.There are routing entries of 10.0.2.2/32 and 10.0.0.0/16 in the IP routing table of R1.
• B.There are routing entries for 10.0.2.2/32 and 10.0.3.3/32 in the IP routing table of R1.
• C.Because R2 does route aggregation, only the routing entry of 10.0.0.0/16 exists in the IP routing table of R1.
• D.The routing entries of 10.3.3.3/32 and 10.0.0.0/16 exist in the IP routing table of R1.

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