Huawei H12-261-ENU : HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching)

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Huawei H12-261-ENU Exam Syllabus Topics:

Huawei HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching) Sample Questions:

1. Which of the following description is wrong about the VPNv4 address?

A) Before the local PE advertises the VPNv4 route learned from the site directly connected to itself to other PEs, it sets the Target attribute for these routes and advertises it as a BGP extended community attribute along with the route.
B) The VPNv4 address has a total of 12 bytes, including an 8-word route identifier RD (Route Distinguisher) and a 4-byte IPv4 address prefix.
C) When BGP advertises reachable and unreachable VPNv4 routes, it carries the RD attribute.
D) By default, the PE does not perform vpn-target filtering on the received VPNv4 routes.

2. Which type of prefix will the router running BGP advertise to its own IBGP neighbor (assuming the router is not configured as a route reflector)?

A) The prefix is learned through the EBGP neighbor, or the prefix is learned from the RR.
B) The prefix is learned by other IBGP neighbors, or the prefix is learned from the EBGP neighbor, or the prefix is learned through the route introduction.
C) The prefix is learned through the EBGP neighbor, or the prefix is learned locally through the network or route.
D) Presences existing in routing shows
E) The prefix is learned by other BGF neighbors, or the prefix is locally learned through network or route introduction.

3. What improvements have been made to the IGMPV2 protocol compared to IGMPV1? (Multiple Choice)

A) Added off-group message
B) Added maximum response time field
C) Added specific source group query message
D) Added specific group query message

4. The following is the description of the characteristics of the cross domain vpn-Option C, which is correct? (Multiple Choice)

A) The VPN route is directly exchanged between the ingress PE and the egress PE, and no intermediate device is required to save and advertise the VPN route.
B) Up to two layers of labels need to be used in the packet forwarding process.
C) VPNV4 routes are not saved on the ASBR, and VPNv4 routes are not advertised to each other.
D) Cross-domain VPN-Option-c mode is not suitable for use when spanning multiple AS.

5. As shown below, R1 and R2 establish an E-BGP neighbor and enable BFD detection. The following statement which is correct?

A) The detection time of BFD packets on R1 is 660ms.
B) The detection time of BFD packets on R2 is 800ms.
C) The detection time of BFD packets on R2 is 600ms.
D) The detection time of BFD packets on R1 is 1280ms.

Solutions: