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Huawei H12-261 Practice Test - Questions Answers, Page 4

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Question 31

(0)

An AS-path-filter uses the regular expression ^[0-9]+$ to indicate all as-path attributes.

Question 32

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Which of the following scenarios can an AS-path-filter be used for? (Multiple Choice)

Question 33

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Which of the following statements are true about RIPng? (Multiple Choice)

Question 34

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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?

Question 35

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Which of the following are legal representations of the IPv6 prefix 12AB00000000CD30? (Multiple Choice)

Question 36

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

Question 37

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

Question 38

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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 id

Question 39

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

Question 40

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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?

Question 31

An AS-path-filter uses the regular expression ^[0-9]+$ to indicate all as-path attributes.

TRUE

FALSE

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Question 32

Which of the following scenarios can an AS-path-filter be used for? (Multiple Choice)

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

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Question 33

Which of the following statements are true about RIPng? (Multiple Choice)

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

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Question 34

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?

There are multiple routers on the network segment. One router advertises router redirect messages to the IPv6 device.

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

The IPv6 device checks address configuration of other devices on the network

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Question 35

Which of the following are legal representations of the IPv6 prefix 12AB00000000CD30? (Multiple Choice)

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

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Question 36

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

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Question 37

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

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Question 38

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?

128

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Question 39

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

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Question 40

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

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Total 298 questions