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H31-161 Exam Dumps - HCIE-Carrier IP (Written)

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Question # 25

Refer to the exhibit.

As shown in the topology, RTB directly connects to RTC through the POS

interface. To implement the TE function, RTB and RTC are configured as follows:

Configuration of RTB:

mpls lsr-id 2.2.2.2

mpls

mpls te

mpls rsvp-te

mpls te cspf

isis 1

is-level level-2

cost-style compatible

network-entity 00.2222.2222.2222.00

traffic-eng level-1-2

log-peer-change

interface Pos4/1/0

clock master

link-protocol ppp

ip address 22.33.22.33 255.255.0.0

isis enable 1

mpls

mpls templs rsvp-te

Configuration of RTC:

mpls lsr-id 3.3.3.3

mpls

mpls te

mpls rsvp-te

mpls te cspf

isis 1

is-level level-2

cost-style wide

network-entity 00.3333.3333.3333.00

traffic-eng level-1-2

log-peer-change

# #

interface Pos5/1/0

link-protocol ppp

ip address 22.33.33.22 255.255.0.0

isis enable 1

mpls

mpls te

mpls rsvp-te

When a neighbor relationship is set up between RTB and RTC and becomes robust, the following information can be found in the LSDB of RTB.

Database information for IS-IS(1)

--------------------------------

Level-2 Link State Database

LSPID Seq Num Checksum Holdtime Length ATT/P/OL

2222.2222.2222.00-00* 0x00007191 0x6689 1190 239 0/0/0

SOURCE 2222.2222.2222.00

NLPID IPV4

AREA ADDR 00

INTF ADDR 22.33.22.33

NBR ID 3333.3333.3333.00 COST: 10

+NBR ID 3333.3333.3333.00 COST: 10

IP-Internal 22.33.0.0 255.255.0.0 COST: 10

+IP-Extended 22.33.0.0 255.255.0.0 COST: 10

Router ID 2.2.2.2

3333.3333.3333.00-00 0x0000001c 0x14a3 1184 188 0/0/0

SOURCE 3333.3333.3333.00

NLPID IPV4

AREA ADDR 00INTF ADDR 22.33.33.22

+NBR ID 2222.2222.2222.00 COST: 10

+IP-Extended 22.33.0.0 255.255.0.0 COST: 10

Router ID 3.3.3.3

Two records are generated for the same NBR ID, as shown in bold fonts. Which statement is true?

The cost-style parameter of RTB is compatible. Therefore, two type-length-values (TLVs) (No.2

TLV and No.22 TLV) are generated locally. The two TLVs are the same in size.

The cost-style parameter of RTB is compatible. Therefore, two TLVs (No.2 TLV and No.22 TLV) are

generated locally. No.2 TLV is smaller than No.22 TLV.

The cost-style parameter of RTB is compatible. Therefore, two TLVs (No.2 TLV and No.22 TLV) are

generated locally. No.2 TLV is larger than No.22 TLV.

It is an error indicating that the NBR TLV of a neighbor is added twice

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Question # 26

Exhibit.

Which statement about inter-AS MPLS VPN Option_B is false?

The ASBR cannot be used as a PE simultaneously and a CE cannot be connected to an ASBR.

When ASBRs are directly connected, packets transmitted on the VPN between them have only one label.

The undo policy vpn-target command must be configured in the VPN4 address family view of the BGP neighbor of the ASBR to prevent routes from being filtered automatically.

When ASBRs are directly connected, VPN traffic can be forwarder between them only after MPLS is enabled on the interfaces.

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Question # 27

Two BGP routes with the same prefix are received from two peers. The two routes have the same attributes except the next hop (NH1 and NH2).NH1 is iterated to the directly connected A and B, NH2 to directly connected C and D. If maximum load-balancing2 is configured in BGP and a router can be configured with a maximum of six paths for load balancing, how many paths does a forward information base (FIB) generate regarding this prefix?