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Home Huawei H12-891

Huawei H12-891 Exam Practice Questions (P. 2)

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Question #11
On a CloudCampus virtualized campus network, virtual networks are defined based on services. Each virtual network corresponds to a service, and isolation needs to be manually configured between virtual networks.
  1. A
    True
  2. B
    False

Correct Answer:
B

Question #12
On a virtualized campus network, all devices in a VXLAN domain must support VXLAN.
  1. A
    True
  2. B
    False

Correct Answer:
B

Question #13
VXLAN identifies tenants using VNIs, which are 24 bits long. A tenant can have one or more VNIs, and VXLAN supports a maximum of 12 million tenants.
  1. A
    True
  2. B
    False

Correct Answer: B ?️

Question #14
NETCONF provides a set of mechanisms for managing network devices. What layers can NETCONF be conceptually partitioned into?
  1. A
    Secure transport layer, messages layer, operations layer, and content layer
  2. B
    Secure transport layer, messages layer, configuration layer, and content layer
  3. C
    Encrypted transport layer, messages layer, configuration layer, and content layer
  4. D
    Encrypted transport layer, messages layer, operations layer, and content layer

Correct Answer:
A

Question #15
Huawei Open Programmability System (OPS) provides openness and programmability capabilities for network devices and enables users to perform secondary development to implement customized functions. Which of the following commands can be used to view information about the OPS script installed on a network device?
  1. A
    display ops script
  2. B
    display ops file
  3. C
    check ops script
  4. D
    check ops file

Correct Answer:
A

Question #16
In the SSH algorithm negotiation phase, the SSH server and client exchange the list of algorithms that hey support. The list of symmetric encryption algorithms of the SSH server is as follows: aes256-ctr, aes192-ctr, aes128-ctr, and aes256-cbc. The list of symmetric encryption algorithms of the SSH client is as follows: aes128-ctr, aes192-ctr, aes256-ctr, and aes256-cbc. Which of the following symmetric encryption algorithms can be used by both the SSH server and client?
  1. A
    aes256-ctr
  2. B
    aes192-ctr
  3. C
    aes128-ctr
  4. D
    aes256-cbc

Correct Answer:
C

Question #17
YANG is a data modeling language. Which of the following statements is incorrect about YANG?
  1. A
    The YANG model is presented as a .yang file.
  2. B
    The YANG model can be converted to an XML syntax-based YANG Independent Notation (YIN) model without any loss.
  3. C
    YANG is a modular language representing data structures in a hierarchical tree format.
  4. D
    YANG only supports built-in data type, while extended data types are not allowed.

Correct Answer:
D

Question #18
SR-MPLS is enabled on all routers. The label information encapsulated by R1 into a data packet is shown in the figure. Which of the following MPLS labels is carried in the data packet when it is sent from R2 to R4?
  1. A
    2032
  2. B
    2024
  3. C
    2046
  4. D
    No label

Correct Answer:
C

Question #19
Which of the following types of LSAs does OSPF use to support SR-MPLS?
  1. A
    Type10 Opaque LSA
  2. B
    Type1 Router LSA
  3. C
    Type2 Network LSA
  4. D
    Type7 NSSA External LSA

Correct Answer:
A

Question #20
Which of the following rules does not apply to SR-MPLS Policy design?
  1. A
    Associate service traffic with tunnels to achieve some degree of path visualization.
  2. B
    Ensure that the traffic on each tunnel is not too heavy. Otherwise, bandwidth optimization will be difficult.
  3. C
    Deploy as many tunnels as possible, as more tunnels result in more refined service isolation and service quality assurance.
  4. D
    Consider possible network expansion in the future.

Correct Answer:
C

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