Which of the following information description about a router BGP error output information is wrong?

• A.The router's neighbor address is 10.1.1.2.
• B.The Error Type is displayed due to a wrong neighbor relationship.
• C.The cause of the error may be due to a miswriting of the peer AS number.
• D.The time of the error occurred on March 22, 2010 at 11:40:39.

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Which of the following description about the multicast protocol is wrong?

• A.PIM is a typical intra-domain multicast routing protocol and is divided into DM (Dense Mode) and SM (Sparse Mode) models.
• B.DVRMP is a distance vector multicast routing protocol, which is a dense mode protocol. The protocol has a hop limit and the maximum number of hops is 32 hops.
• C.IGMP runs between the receiver host and the multicast router. This protocol defines the mechanism for establishing and maintaining multicast membership between hosts and routers.
• D.MSDP can advertise multicast routes across ASs.

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About this section configuration, which of the following descriptions are correct? (Multiple choice)

• A.stp mode mstp command is used to enable the MSTP feature of the switch. By default, MSTP is switched on.
• B.The revision-level 1 is used to configure the MSTP revision level. The value range is 0 to 65535. By default, the MSTP revision level is 1.
• C.region-name RegionA command configures the MST region name of the switch. By default, the MST region name of the switch is the MAC address of the switch.
• D.Use the instance 2 vlan 3 command is used to map VLAN 3 to MST Instance 2. All the default VLANs are mapped to Instance 1.
• E.The active region-configuration command is used to activate the configuration of the MST region. If you do not perform this operation, the configured domain name, VLAN mapping table, and MSTP revision level do not take effect.

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Which of the following options meets the following ACL conditions?

• A.10.1.1.1/32
• B.10.1.0.0/16
• C.10.0.0.0/8
• D.10.1.1.0/24

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RSTP convergence speed is faster than STP. Which of the following statements are correct? (Multiple Choice)

• A.The P/A negotiation process can continue to be passed downstream
• B.Once the P/A negotiation is unsuccessful, the selection of the designated port needs to wait for two Forward delays. The negotiation process is the same as STP.
• C.There is only one standard for detecting whether the topology changes in RSTP. A non-edge port migrates to the Forwarding state.
• D.In STP, in order to avoid temporary loops, at least one forwarding delay must be waited. After all network port roles are determined, all ports can forward them.

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