In Huawei switches, the hybird port can select vlan1 as an untagged vlan

• A.True
• B.False

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As shown in the figure, an engineer uses four routers to test the interoperability of branch networks, where R1, R2, and R3 in branch 1 deploy OSPF Network interoperability is implemented, and R, R3, R4 in Branch 2 is deployed is-IS to achieve network interoperability. Now that the engineer wants to implement R1 access to R4's loopback address, which of the following actions will meet this requirement?

• A.In the OSPF process of R2 and the IS-IS process, the default routes are published separately
• B.Publish default routes only in the OSPF process for R2
• C.No configuration is required
• D.Publish the default route only in the IS-IS process of R2

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The switch SWA and SWB are connected together by 2 Ethernet links, where the switch SWA has the following interface configuration:

• A.Without changing the current configuration, GigabitEthernet1/0/1 and GigabitEthernet1/0/2 can join the same aggregation group
• B.Only if the configuration of GigabitEthernet 1/0/2 is changed to match GigabitEthernet 1/0/1 can the two join the same aggregation group
• C.After link clustering is configured on both SWA and SWB, if MSTP is enabled on the switches SWA and SWB Both GigabitEthernetl1/0/1 and GigabitEthernetl/O/2 are the forwarding status of MSTP
• D.Because of the different VLANs allowed, GigabitEthernet1/0/1 and GigabitEthernet1/0/2 cannot join the same aggregation group

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In the multi-level RR scenario, the first-level RR will be connected to a large number of second-level R, which may cause the BGP circuit of the first-level RR to overflow from the table Risk of R BGP routing table overflow?( Radio).

• A.ORF
• B.Route Control
• C.Set the same Cluster-ID
• D.Route Aggregation

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When deploying the ISIS protocol in an IPv6 environment , the following statement is correct (single choice).

• A.In the same broadcast network. If each router supports both IPv4 and IPv6 The DIS for IPv4 and IPv6 must be the same device
• B.By default, the DIS priority for broadcast network interfaces at Level-1 and Level-2 is 1
• C.In broadcast networks, IPv4 and The DIS priority for IPv6 can be set separately
• D.IS-IS is configured under the finger port is ISIS silent, this interface will not send ISIS packets, but will receive ISIS packets

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