H12-261-ENU 무료 덤프문제 온라인 액세스

Regarding the BGP alliance, which is wrong description?

• A.The sub-AS number of the confederation is advertised to BGP peers outside the confederation by default.
• B.The Alliance divides an AS into several sub-AS alliances. External As still considers the Alliance to be an AS.
• C.The federation can easily detect the routing loop within the AS because EBGP is running between the sub-AS.
• D.The sub-autonomous system within the federation can use a private AS number. A Huawei NE/AR router can be configured with up to 32 sub-AS in a single alliance.

Which of the following statements about the BFD one-armed echo function are correct? (Multiple Choice)

• A.The default destination IP address of the BFD one-armed echo function protocol packet is 224.0.0.184.
• B.After the BFD one-armed echo function is enabled, the destination IP address and source IP address of the BFD packets are the same.
• C.The BFD one-armed echo function must be configured with a local identifier and a remote identifier.
• D.The BFD one-armed echo function is applicable to scenarios where one device supports BFD and the other device does not.

The following statement about cross-domain MPLS VPN, which is the wrong description?

• A.For the cross-domain vPN-OptionB mode, an MP-eBGP neighbor relationship needs to be established between the two ASBR.
• B.For the cross-domain vPN-OptionB mode, two ASBR are interconnected by multiple interfaces (including sub-interfaces). Each interface is associated with one VPN. Each ASBR-PE uses the peer as the CE.
• C.When the public network label is only LDP, the cross-domain vp-Option-c scheme 2 needs to use three-layer labels in the packet forwarding process.
• D.For the cross-domain vPn-OptionA mode, the route between the two ASBR is a common IPv4 route.

Regarding the stub area in the OSPF protocol, the following statement which is correct? (Multiple Choice)

• A.stub area is not allowed to inject type7 LSA
• B.ASBR cannot exist in the stub area.
• C.The virtual link cannot traverse the stub area.
• D.The backbone area cannot be configured as a stub area.

If the router only needs to forward IPv6 packets, then no IPv4 protocol and address need to be configured on the router.

• A.False
• B.True