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

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A Router LSA is shown in the figure. Which of the following statement is wrong?

• A.This router is DR
• B.The Router ID of this router is 10.0.12.1
• C.The router has established adjacency
• D.This router supports the import of external routes

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Which of the following technologies use tunneling technology to communicate between IPv6 addresses? (Multiple Choice)

• A.ISATAP
• B.Dual Stack
• C.6to4
• D.NAT64

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The OSPFv3 protocol is a separately developed protocol. It differs from OSPFv2 in that OSPFv3 is based on links rather than network segments. Which of the following statement is incorrect?

• A.The two routers connected to the link can establish neighbor relationships even if no unicast IPv6 address is configured.
• B.The two routers connected to the link can establish neighbor relationships even if their IPv6 address prefixes are different.
• C.All OSPFv3 interfaces use the Link-local address as the destination address of the packet except the virtual link.
• D.The routing information obtained by the OSPFv3 router from the neighbor uses the link-local address of the neighbor as the next hop of the forwarded packet.

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Which of the following is single package attack? (Multiple Choice)

• A.Scanning detection attack
• B.DDoS attack
• C.Malformed packet attack
• D.Special control packet attack

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