Huawei Written Huawei Certified Internetwork Expert-Routing & Switching - HCIE-R&S

1.

Which of the following scenarios can an AS-path-filter be used for?

Apply clauses in a route-policy Filtering the routes received from a BGP peer based on the as-path attributes of the routes, for example, peer X.X.X.X as path-filter import Filtering the routes sent to a BGP peer based on the as-path attributes of the routers, for example, peer X.X.X.X as-path-filter export If-match clauses in a route-policy

2.

Which of the following statements are true about RIPng?

RIPng does not have an authentication mechanism Each RIPng update packet contains a maximum of 25 routes RIPng supports MD5 authentication RIPng uses the link local address to send update packets RIPng supports a maximum of 32 hops

3.

An IPv6 device with the address of FC00::1 connects to the network and captures the following data packet. What is function of the data packet?

The IPv6 device checks address configuration of other devices on the network The router on this network segment tests the working status of the IPv6 device The IPv6 device implements self-loop tests Another device on this network segment requests to resolve the Layer 2 address of the IPv6 device The IPv6 device requests the address of the egress router

4.

Which of the following are legal representations of the IPv6 prefix 12AB00000000CD30?

12AB::CD3::/64 12AB::CD30/64 12AB::0000:0000:CD30:0000:0000:0000:0000/64 12AB:0:0:CD3::/64 12AB:0:0:CD3/64

5.

On a RIPng network, configure a router to advertise the default route to the entire network. Which of the following configurations is correct?

[Huawei]ripng 1
[Huawei-ripng-1]import-route static cost 2
[Huawei-ripng-1]quit
[Huawei]ipv6 route-static :: 0 NULL0 [Huawei]ripng 1[Huawei-ripng-1]import-route static cost 2
[Huawei-ripng-1]quit
[Huawei]ipv6 route-static :: 0 2001:19:9 [Huawei]ripng 1[Huawei-ripng-1] ripng default-route originate
[Huawei-ripng-1]quit [Huawei]interface GigabitEthernet0/0/1[Huawei-GigabitEthernet0/0/1]ipv6 enable
[Huawei-GigabitEthernet0/0/1]ipv6 address 2001::12::1/64
[Huawei-GigabitEthernet0/0/1]ripng 1 enable
[Huawei-GigabitEthernet0/0/1]ripng default-route originate
[Huawei-GigabitEthernet0/0/1]quit

6.

Which IPv6 header field has a function similar to that of the "Type of Service" field in an IPv4 header?

Flow Label Traffic Class Next Header Version

7.

Besides an IPv4 address, a router distinguisher (RD) also contains an identifier that distinguishes IP routes to the same destination IP address in different VPNs.
How many bits are there in the identifier?

16 64 128 32

8.

Which of the following statements about penultimate hop popping are true?

It can only be used with LDP It enables the Edge LSR to request a label pop operation from its upstream neighbors It is only used when two or more labels are stacked It is requested through LDP using a special label value that is also called the implicit-null value It is used only for directly connected subnets or aggregate routes

9.

Based on the routing information exchange mode, MPLS VPNs are usually classified into two types. One is the overlay VPN. What is the other type of MPLS VPN?

L3 VPN Virtual Private Network L2 VPN Peer-to-Peer VPN

10.

What is the class D IP address range 239.0.0.0-239.255.255.255 used for?

It is a multicast address range used by routing protocols Any legal multicast data flow and multicast application can use this address segment Link-local multicast traffic mode up of network control messages meant to stay in the local subnet It is a locally scoped multicast address and should only be used on local segments It is an SSM multicast address range which is used on the entire network.

Huawei Written Huawei Certified Internetwork Expert-Routing & Switching - HCIE-R&S

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