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H31-611 HCNA-Storage (Huawei Certified Network Associate-Storage)

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Huawei · H31-611

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Question 1

Single choice

In BGP, which of the following are methods for loop avoidance?

A
The Origin attribute of a route records the source from which the route was imported
B
In a route's AS-Path attribute, all Ass along the path are recorded.
C
In the next-hop attribute of a route, the route's next hop is recorded.
D
The MED attribute of a route affects the outbound interface selection of another AS.

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Correct answerC

Question 2

Multiple choice

Which of the following statements are true about OpenFlow interface information reporting? (Choose all that apply.)

A
After the OpenFlow channel is successfully established, the controller actively queries port information from FPs.
B
The controller sends Multipart Request messages to query port information.
C
FPs respond with a Multipart Reply message for batch delivery of port information.
D
When a port changes, the corresponding FP actively sends a Flow Mod message to report the port change information.

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Correct answersA, B

Explanation

References:
https://support.huawei.com/enterprise/en/doc/EDOC1000102491?section=k007

Question 3

Multiple choice

Which of the following statements are true about the DIS in IS-IS? (Choose all that apply.)

A
A DIS creates and updates pseudo nodes on a broadcast network.
B
DIS election is unpredictable.
C
When all IS priorities are the same within a LAN, the IS with the largest MAC address is elected as the
DIS.
D
DIS election on a broadcast network is held in preemption mode.

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Correct answersA, C

Explanation

References:
https://support.huawei.com/enterprise/en/doc/EDOC1100055485/4110e8a/basic-protocols-of-is-is

Question 4

Single choice

The CE-SPUs of the CE12800 on an SDN network employs which of the following redundancy methods?

A
1:1
B
2+1
C
3+1
D
5+1

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Correct answerA

Question 5

Single choice

Currently, the packet forwarding efficiency of Layer 3 switches is greatly improved.

Which of the following may be the cause?

A
By using higher-performance hardware
B
By using the "routing once and switching multiple times" forwarding technology
C
By using packet-to-packet forwarding technology
D
By dividing the VLAN to effectively suppress broadcast storms and save bandwidth and other system resource.

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Correct answerD

Question 6

Multiple choice

OpenFlow channel establishment and maintenance involves which of the following messages? (Choose all that apply.)

A
Hello message
B
Features Request message
C
Echo Request message
D
PortStatus message

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Correct answersA, B, C

Explanation

References:
https://support.huawei.com/enterprise/en/doc/EDOC1000102491?section=k007

Question 7

Single choice

For a router that runs BGP4, which of the following statements is not true?

A
When multiple paths exist, BGP4 selects the optimal path.
B
BGP notifies the routes obtained from EBGP to all its BGP peers.
C
BGP advertises to BGP peers only the routes it uses.
D
BGP4 notifies the routes obtained from IBGP to all its BGP peers.

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Correct answerB

Explanation

References:
https://support.huawei.com/enterprise/en/doc/EDOC1100028526?section=j06y&topicName=configuring-bgp4-load-balancing

Question 8

Multiple choice

Which of the following statements about SNMP are not true? (Choose all that apply.)

A
SNMP is an application layer protocol that requires reliable TCP at the transport layer to provide services.
B
SNMP is used to manage information transmitted between the two points, making it easy for administrators to preform operations.
C
SNMP uses the client/server model.
D
There are three SNMP protocol versions. Currently, only SNMPv3 supports community name-based security mechanisms.

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Correct answersB, C

Explanation

References:
https://www.auvik.com/franklymsp/blog/network-basics-what-is-snmp/

Question 9

Single choice

The SDN controller has a global view of the entire network.

A
TRUE
B
FALSE

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Correct answerA

Explanation

References:
https://books.google.com.pk/books?id=0dhwDwAAQBAJ&pg=PA421&lpg=PA421&dq=huawei+SDN+controller+has+a+global+view+of+the+entire+network&source=bl&ots=t-QRdkT5nB&sig=ACfU3U1isE1ggNHUJ-pXiPOfI4sjQPPXSg&hl=en&sa=X&ved=2ahUKEwitrdnVi4PnAhVBQBoKHY3oBUgQ6AEwC3oECAoQAQ#v=onepage&q=huawei%20SDN%20controller%20has%20a%20global%20view%20of%20the%20entire%20network&f=false

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HCNA-Storage (Huawei Certified Network Associate-Storage)

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