Online Access Free H12-261-ENU Exam Questions

Which of the following description about configuring BGP4+ is correct? (Multiple choice)

• A.The next hop of the BGP4+ route does not use the Link-Local address.
• B.BGP4+ does not support route reflectors.
• C.BGP4+ must use the Link-Local address when specifying the peer
• D.When BGP4+ configures a reflector, the roles of the reflector and the client must be consistent with the configuration of BGP4.
• E.The BGP4+ router-ID is the same as the BGP4 router-ID.

Regarding the BGP alliance, which of the following description is wrong?

• A.The sub-AS number of the alliance is advertised to BGP peers outside the alliance by default.
• B.The alliance can easily detect the routing loop in the AS because EBGP is running between sub-ASs.
• C.The alliance divides an AS into several sub-ASs, and the external AS still considers the alliance to be an AS.
• D.The sub-AS number in the alliance can use a private AS number. A Huawei NE/AR router can be configured with up to 32 sub-AS numbers.

If the host HW1 in the HW device network wants to join a video conference, what does the host do?

• A.Send the IGMPv2 membership report through multicast on the local network. The destination multicast address sent by the IGMPv2 membership report is "all PIM routers" 224.0.0.2 multicast address.
• B.Sending an IGMPv2 membership report through multicast on the local network, and the multicast address carried in the IGMPv2 membership report is the joined multicast address.
• C.Send a unicast IGMPv2 membership report to the RP
• D.Send IGMPv2 membership report unicast to the default router on the local network.

In the OSPF broadcast network, there are four routers RTA, RTB, RTC, and RTD in the same network segment. The DR priorities are 2, 1, 1, and 0 respectively. The router ID are 192.168.1.1, 192.168.2.1, and 192.168.3.1 and 192.168.4.1. If OSPF protocol is enabled on the four routers at the same time, what is the BDR selected by OSPF?

• A.RTA
• B.RTD
• C.RTC
• D.RTB

As shown in the configuration, if the administrator configures OSPF on R1 but R1 cannot learn the routes of other routers, the possible reason is (). (Multiple choice)
[R1]ospf [Rl-ospf-1]area 2 [R1-ospf-1-area-0.0.0.2]network 10.0.13.1 0.0.0.0

• A.The router's announcement network address does not match the interface mask.
• B.This router is not configured with an OSPF process ID.
• C.This router is not configured with authentication, but the neighbor router is configured with authentication.
• D.Area ID configured by the router and area ID of its neighboring router is different.