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H12-891_V1.0 Practice Exam Questions and Answers

HCIE-Datacom V1.0

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Total Questions : 177

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Question # 1

NAFTIR policing can only be applied to the inbound direction. Its purpose is to monitor the traffic entering the device and ensure that the upstream device does not unnecessarily consume network resources.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Question # 2

In the following figure, OSPF is enabled on all router interfaces. The IP addresses marked in the figure belong to Loopback0 of the routers.

Question # 2

The Loopback0 addresses of R1 and R2 are advertised in Area 1, the Loopback0 address of R4 is advertised in Area 0, and the Loopback0 addresses of R3 and R5 are advertised in Area 2. Given this, which of the following IP addresses can ping each other?

Options:

A.  

10.0.3.3 and 10.0.5.5

B.  

10.0.2.2 and 10.0.5.5

C.  

10.0.2.2 and 10.0.3.3

D.  

10.0.4.4 and 10.0.2.2

Discussion 0
Question # 3

Which of the following statements is incorrect about access control on small and midsize campus networks based on the Huawei CloudCampus solution?

Options:

A.  

iMaster NCE can function as an authentication server.

B.  

Cloud APs support local Portal authentication.

C.  

iMaster NCE can function as a Portal relay device.

D.  

iMaster NCE can interconnect with a third-party RADIUS server.

Discussion 0
Question # 4

You have developed a third-party Portal authentication application and connected it to iMaster NCE-Campus to perform Portal authentication for Wi-Fi users. After connecting to Wi-Fi, a user will be redirected to the login page pushed by the authentication application when visiting any website for the first time.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Question # 5

Which of the following is the purpose of configuring IS-IS fragmentation on an IS-IS device?

Options:

A.  

Disable the device from establishing IS-IS neighbor relationships.

B.  

Enable the device to support more IS-IS routes.

C.  

There is no practical purpose.

D.  

Disable the device from learning IS-IS link-state information.

Discussion 0
Question # 6

What is the router ID length supported by OSPFv3?

Options:

A.  

128 bits

B.  

64 bits

C.  

100 bits

D.  

32 bits

Discussion 0
Question # 7

Which of the following statements aboutBIER (Bit Index Explicit Replication) and PIM (Protocol Independent Multicast)are correct?

Options:

A.  

On a BIER-based multicast network, packets sent by the multicast source must be encapsulated with the Bitstring field.

B.  

On a PIM-based multicast network, an MDT covering all nodes that multicast traffic traverses needs to be established.

C.  

On a BIER-based multicast network, an MDT covering all nodes that multicast traffic traverses does not need to be established.

D.  

On a BIER-based multicast network, multicast users must send group join messages hop by hop.

Discussion 0
Question # 8

K company has two types of network services: UDP-based real-time video streaming services and TCP-based FTP download services. The company's network administrator often receives complaints that the FTP download speed is slow or unstable. What are the possible causes?

Options:

A.  

The device uses the tail drop technology. As a result, global TCP synchronization affects the FTP rate.

B.  

The device performs PQ scheduling for FTP services and WFQ scheduling for video services. As a result, the FTP service bandwidth is preempted.

C.  

The device limits the FTP traffic rate to a small value.

D.  

The video service has a higher priority and preempts the bandwidth of the FTP service.

Discussion 0
Question # 9

Python Paramikoimplements theSSH protocol. In thePython Paramiko module, which of the following classes is used tocreate SFTP sessions and perform remote file operations?

Options:

A.  

Packetizer class

B.  

SFTPClient class

C.  

Channel class

D.  

Transport class

Discussion 0
Question # 10

In thesmall and midsize campus network designbased on theHuawei CloudCampus Solution, when over100 branchesneed to communicate with each other, which of the following interconnection networking models is recommended?

Options:

A.  

Direct networking

B.  

Full-mesh networking

C.  

Hub-spoke networking

D.  

Partial-mesh networking

Discussion 0
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