As shown in the figure below, which routes will R2 learn?

• A.R2 can learn the two routes 10.1.2.0/24 and 10.1.3.0/24.
• B.R2 can learn all the routes of R1.
• C.R2 can receive the LSP of R1 but cannot join the routing table.
• D.R2 can learn the 10.1.1.0/24 route.

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In the packet forwarding of the cross-domain VPN-Option B mode, the two ASBRs will exchange the LSP labels of the public network once.

• A.True
• B.False

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Which of the following statements are correct about PPPoE data frames? (Multiple Choice)

• A.The Session_ID segment of the ppp session must be the value specified in the Discovery phase and cannot be changed.
• B.When PPPoE is used to transfer session data, Code must be set to 0x0.
• C.After the PPPoE session is established, all Ethernet packets are unicast.
• D.The fixed value of the Ethernet Type field is Ox8863.

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What command can be used to prevent users from accessing multiple devices through the HUB on the access port of the switch?

• A.[Huawei]interface GigabitEthernet 0/0/1 [Huawei-GigabitEthernetO/0/1] port link type trunk [Huawei-GigabitEtherneto/0/1] port trunk allow pass vlan 10
• B.[Huawei]interface GigabitEthernet 0/0/1 [Huawei-GigabitEthernet0/O] port link-type access [Huawei-GigabitEthernet0/O] port-isolate enable
• C.[Huawei]interface GigabitEthernet 0/0/1 [Huawei-GigabitEthernet0/O] port link-type access [Huawei-GigabitEthernet0/O] port-security enable
• D.[Huaweiinterface GigabitEthernet 0/0/1 [Huawei-GigabitEthernetO/0/1] port link type access [Huawei GigabitEtherneto/0/jipsg enable

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Which of the following about the RD attribute filter of BGP is correct? (Multiple Choice)

• A.Match multiple rules in the order of configuration
• B.If RD-filter is configured, but the RD of the route does not match any of the RDs defined in the rule, the default match result is Permit.
• C.If RD-filter is not configured, but this RD-filter is used for filtering, the matching result is deny.
• D.The relationship between the rules configured by RD-filter is "or".

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