When two devices with the same priority compete for Master at the same timer role, then IP The device where the interface with the smaller address is located should be selected as the Master equipment.

• A.FALSE
• B.TRUE

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In PIM-SM , the following about PIM Join Message. Is the description correct? (single choice)

• A.PIM Join message PIM Join message. Only sent when the multicast tree is first established
• B.PIM Join information.Every 60 Sent once per second to refresh the upstream router m for the multicast treeroute State
• C.PIM Join message per 3 Sent once every minute to refresh the upstream router mroute for the multicast tree State
• D.the upstream router sends a PIMJoin acknowledgement in response to each received from the downstream router

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Which of the following descriptions about the properties of BGP is correct?

• A.A route can only have one community attribute value.
• B.The AS number of the adjacent AS, listed in the AS in the BGP routing entry_ The far right of the Path list.
• C.BGP Speaker When the route learned from the EBCP peer is advertised to the IBGP peer, the next hop attribute of the route information is not changed.
• D.Local Prefs are only valid between EBGP peers and are not advertised to third-party ASs.

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A network runs both ISIS and OSPF protocols. The topology is as shown in the figure.Route import is configured on RTB and RTC respectively, and the devices are connected through Gigabit Ethernet ports. The
2.2.2.2/32 network segment is imported on RTD through import-route. diThe rect method is introduced into OSPF, assuming all other configurations are defaults, what is wrong with the description of this network?

• A.existAdjusting the ISIS priority on RTB to 160 can avoid suboptimal routing problems in the network.
• B.existThe following configuration is used on RTC to filter out only 2.2.2 when importing routesRoute
  2/32 network segment. [RTC]ip ip-prefix 10 index 1 deny 2.0.0.0 8 less-equal 32
  [RTC-isis- 1] filterr-policy ip-prefix 10 import
• C.The next hop of the route that RTB learns from network segment 2.2.2.2/32 is RTA.
• D.The following configuration can beWhen RTC imports OSPF routes, the routes from the 2.2.2.2/32 network segment of RTD are filtered out. [RTC-acl-basic-2001]rule 5 deny source 2.0.0.0 0.255
  255.255
  [RTC-ac1-basi-2001]rule 10 permit
  [RTC-isis-1]filter-policy 2001 import

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one VRRP virtual router configuration VRID is 3. Virtual IPaddress is 100.1.1.10, then virtual MAC:land.
What is the address?

• A.01-00-5E-00-01-64
• B.00-00-5E-00-01-64
• C.01-00-5E-00-01-03
• D.00-00-5E-00-01-03

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