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H12-261-ENU Dumps

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Exam Name

HCIE-R&S (Written) (Expert - Routing & Switching)


H12-261-ENU HCIE-R&S Exam Outline

H12-261-ENU exam is belong to Huawei HCIE-R&S certification. Huawei candidates should complete all real questions in 90 mins and also should get marks more than 600.

Huawei H12-261-ENU HCIE-R&S Knowledge points

1. Layer 2 Technologies
2. IPv4
3. IPv6
5. IP Multicast
6. Network Security
7. QoS
8. Troubleshoot a Network
9. Network Management
10. Feature

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Question No : 1

HW users are very much transmission via TFTP file.
What protocol is relied on by TFTP for transmission?
B. IP and TCP
Answer: E

Question No : 2

You want to set the DSCP value of VoIP traffic in HW network device as EF.
According to distinguish service model RFC, flow mark EF should be set to:
A. DSCP is set as decimal 36
B. IP ToS is set as 0xEF
C. IP Experimental ECN
D. DSCP is set as decimal 5
E. Bit Stream 101110
Answer: E

Question No : 3

In the whole HW IP multicast network running SSM
Which of the following understanding of SSM is true? (Multiple choice)
A. don't need the RP
B. SSM only use the shared tree
C. SSM only use STP tree
D. best suitable for 1 to many application
E. SSM is recommended to use when having multiple sources and expect to minimize mroute state in the network
F. the most suitable for the application of many-to-many
Answer: ACD

Question No : 4

Which of the following can be used for BGP routing? (Multiple choice)
B. IP-prefix
C. AS-path-filter
Answer: ABC

Question No : 5

An existing As-path-filter: ip as-path-filter 1 permit ^ 100 (_100) * (- 400) * $, which AS-PATH attribute can not the As-path-filter match?
A. 100
B. 100 200 900
C. 100 400
D. 100 400 400 400
Answer: B

Question No : 6

There is a network composed by router R1, router R2, router R3 and router R4. The four routers are interconnected by a LAN network. All four routers deploy the basic OSPF. When you are executing the command "display ospf peer" on Router 2, you will find the status between Router2 and Router3 is "2-way".
So from this output, what conclusion can you draw? (Multiple choice)
A. the router R2 is DR or BDR
B. router R3 is neither DR, nor the BDR
C. router did not form a full adjacency relationship between R2 and R3 router
D. router R2 is not DR
E. the router R4 is DR
Answer: BCD

Question No : 7

As shown below, which routes will R2 learn?

A. R2 can learn R1 all routes .
B. R2 can learn router.
C. R2 can learn and two routes.
D. R2 can receive R1 LSP, but can not be added to the routing table.
Answer: A

Question No : 8

Which of the following description about IBGP neighbor EBGP neighbor is true? (Multiple choice)
A. router will sent the BGP updates learning from its IBGP neighbor to their other IBGP neighbor and EBGP neighbor
B. router will sent the BGP updates learning from its EBGP neighbor to their other IBGP neighbor and EBGP neighbor
C. IBGP neighbor must be directly connected. Otherwise, IBGP-Multi-hop must be configured
D. EBGP neighbor must be directly connected. Otherwise, EBGP-Multi-hop must be configured
E. IBGP neighbor can through Loopback Interface to establish neighbor relationship
F. EBGP neighbor must through direct physical interface address to establish neighbor relationship
Answer: BDE

Question No : 9

In shared network,Which mechanism is used by PIM-SM to prevent repeat traffic?
A. Register mechanism
B. BSR/RP mechanism
C. Assert mechanism
D. Join/Prune mechanism
Answer: C

Question No : 10

In RIPng network, hope the router can publish a default route to the entire network, which of the following configuration is True?
A. [Huawei] ripng 1
[Huawei-ripng-1] import-route static cost 2
[Huawei-ripng-1] quit
[Huawei] ipv6 route-static:: 0 NULL0
B. [Huawei] interface GigabitEthernet0/0/1
[Huawei-GigabitEthernet0/0/1] ipv6 enable
[Huawei-GigabitEthernet0/0/1] ipv6 address 2001 £º 12::1/64
[Huawei-GigabitEthernet0/0/1] ripng 1 enable
[Huawei-GigabitEthernet0/0/1] ripng default-route originate
[Huawei-GigabitEthernet0/0/1] quit
C. [Huawei] ripng 1
[Huawei-ripng-1] import-route static cost 2
[Huawei-ripng-1] quit
[Huawei] ipv6 route-static:: 0 2001:19::9
D. [Huawei] ripng 1
[Huawei-ripng-1] ripng default-route originate
[Huawei-ripng-1] quit
Answer: B

Question No : 11

You have two routers run BGP connected to different ISP. You want to affect the Internet into your network traffic, but your company is prohibited to use BGP communities.
The best way to achieve the aforementioned requirements?
A. the router's cost adjustment
B. use MED
C. increase the router PreVal
D. reduce the router's Local Preference
E. use AS-path additive
F. use Metrics
Answer: E

Question No : 12

When MPLS network carrying IP packets, TTL will be how to deal with? (Please choose 2 correct answers)
A. MPLS label head TTL is set to 255
B. In the direction of the boundary of LSR, IP packet TTL is copied into the TTL field of MPLS
C. MPLS label header TTL is set to 0
D. In the direction of the boundary of LSR to disable the TTL
E. In the MPLS domain, TTL can not be disabled
Answer: AB

Question No : 13

Here on the OSI reference model, which description about the sixth layer functional is corret?
A. Providing a common data compression and encryption scheme
B. Establishing, maintaining and terminating communication sessions
C. Synchronous Communication
D. Determining the availability of resources
Answer: A

Question No : 14

Which of the following information does STP based on to calculate path cost?
A. interface bandwidth
B. interface delay
C. interface bandwidth and delay
D. hops
E. bridge priority
Answer: A

Question No : 15

RD is used to distinguish same IP address between different VPN.
RD contains how many bit?
A. 16
B. 32
C. 64
D. 128
Answer: C

Question No : 16

As shown in figure, ISIS neighbor relationship between R1 and R2 just created, which of the following statement about database synchronization process between R1 and R2 is True?

A. the packets R1 sent to R2 are PSNP packets.
B. the packets R1 sent to R2 are PSNP packets.
C. the packets R1 sent to R2 are LSP packets.
D. the packets R1 sent to R2 are Hello packets.
Answer: B

Question No : 17

What are the key component of NAC?
A. communication agent
B. NAC equipment
C. access terminal
D. policy server
Answer: ABD

Question No : 18

Which of the following description about GVRP interface registration mode in Huawei switch is true?
A. GVRP interface registration mode have four types.
B. When selecting Normal registration mode, allows the interface dynamic registration and logout VLAN. Logout here include deleting dynamically learned VLAN and VLAN administrators created in the unit .
C. When selecting Forbidden registration mode, the interface layer 2 working mode must be Hybrid.
D. When selecting Fixed registration mode, interface can't spread dynamic WLAN.
Answer: D

Question No : 19

The SPF algorithm, which of the following description is correct? (Multiple choice)
A. SPF algorithm also called Djkstra algorithm
B. SPF algorithm only uses in the first time to calculate the shortest path tree
C. When router calculate the shortest path tree, with itself as the root to build SPF tree
D. when router calculate the shortest path tree, with its target segment as the root to build SPF tree
E. HW router default OSPF reference bandwidth is 10^9/BW
Answer: ABC

Question No : 20

Which of the following DNS resource record is legitimate?  ( Multiple choice)
C. A
Answer: ABCD

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