Free Access to Huawei.H12-261_V3.0-ENU.v2022-03-01.q114 with Valid Practice Test (Page 6)

Question 21

In an MPLS BGP VPN network that does not enable the MPLS penultimate hop pop-up technology, when the message reaches the last hop PE, the message has two layers of labels, and the two layers of label values can be the same.

A.TURE
B.FALSE

Question 22

Which of the following description about OSPFV3 protocol authentication is wrong?

A.Huawei router OSPFv3 IPSec certification can not only support transmission mode, but also support tunnel mode
B.OSPFV3 can only use manual mode to establish SA
C.An OSPFv3 protocol header is removed Autype and Authentication field
D.OSPFV3 authentication relies on the authentication header and encapsulation security payload header of IPv6 packets

Question 23

Regarding BGP/MPLS IP VPN routing interaction, which is wrong in the following description?.

A.The egress PE can send IPv4 routes to the remote CE through BGP, IGP or static routing
B.After the egress PE receives the VPNv4 route advertised by the ingress PE, it filters the VPNv4 route according to the RT attribute carried by the route
C.The exchange between PE and CE is IPv4 routing information
D.The ingress PE will convert the IPv4 route received from the CE into a VPNv4 route, and save it according to different VPN instances

Question 24

Single selection After configuring the VLAN-based MAC address drift detection function, if the MAC address drifts, you can configure the actions of the interface according to your needs.
Which of the following is not a configurable action?

A.MAC address blocking
B.Send alert
C.Flow filtering
D.Interface blocking

Question 25

Which of the following statements about IS-IS Hello packets are correct? (Multiple choice)

A.Level-1 LAN IIH does not contain System ID
B.Level-1 LAN IH is sent by multicast
C.P2P IH has no Priority field
D.P2P IIH and LAN IIH are exactly the same

Question 21

Question 22

Question 23

Question 24

Question 25

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