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[Hardware] Exam Dumps H12-891_V1.0 Collection - H12-891_V1.0 Exam Objectives

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【Hardware】 Exam Dumps H12-891_V1.0 Collection - H12-891_V1.0 Exam Objectives

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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Exam is a certification test designed for IT professionals who want to validate their skills and knowledge in designing, implementing, and troubleshooting complex data communication networks. HCIE-Datacom V1.0 certification exam covers a wide range of topics, including network architecture, switching and routing technologies, network security, network optimization, and network management. Passing H12-891_V1.0 Exam demonstrates that a candidate has a deep understanding of data communication technologies and can solve complex network problems.
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The HCIE-Datacom V1.0 certification is highly valued in the IT industry and is recognized globally. It demonstrates that the certified professional has a deep understanding of data communication technologies and can design, deploy, and maintain complex networks. HCIE-Datacom V1.0 certification also opens up new career opportunities and can lead to higher salaries and job promotions.
Huawei H12-891_V1.0 HCIE-Datacom V1.0 certification program is designed for professionals who are responsible for designing, implementing, and managing complex data communication networks. HCIE-Datacom V1.0 certification program is focused on providing in-depth knowledge and expertise in data communication technologies that are used in large-scale enterprise networks.
Huawei HCIE-Datacom V1.0 Sample Questions (Q159-Q164):NEW QUESTION # 159
By default, which of the following security MAC address types lose table entries after the device restarts?
  • A. Secure static MAC address
  • B. Black hole MAC address
  • C. Sticty MAC address
  • D. Secure dynamic MAC address
Answer: D

NEW QUESTION # 160
Drag theIPsec functionson the left to the corresponding function description on the right.

Answer:
Explanation:

Explanation:
A screenshot of a computer AI-generated content may be incorrect.

IPsec (Internet Protocol Security) provides secure communication over IP networks through several essential functions. Let's explain each function and its purpose:
1. Data Origin Authentication:
Description:The receiver verifies the identity of the sender.
This function ensures that the data received actually comes from the claimed source.
IPsec achieves this usingIKE (Internet Key Exchange)anddigital signatures.
TheAuthentication Header (AH)andEncapsulating Security Payload (ESP)support authentication.
Use Case:Verifying that a message claiming to be from a specific IP address is genuinely from that source.
2. Data Encryption:
Description:The sender encrypts the data, and the receiver decrypts the data.
Encryption ensuresdata confidentialityby transforming readable data (plaintext) into unreadable data (ciphertext).
Only the intended receiver with the correct decryption key can convert the ciphertext back to plaintext.
Common encryption algorithms used includeAES (Advanced Encryption Standard)andDES (Data Encryption Standard).
Use Caserotecting sensitive data transferred over public networks.
3. Data Integrity:
Description:The receiver verifies received data to determine whether the data has been tampered with.
Ensures that the data was not altered during transmission.
Uses cryptographichash functions(e.g.,SHA-1, SHA-256) to generate amessage digest.
The digest is sent with the data and verified on the receiving side.
Use Caseetecting any changes made to the data packet during transmission.
4. Anti-Replay:
Description:The receiver rejects duplicate data packets.
Prevents attackers from capturing packets and replaying them later.
Usessequence numbersto detect replayed or duplicated packets.
The receiver keeps asliding windowof sequence numbers to compare incoming packets.
Use Case:Blocking malicious actors from sending previously intercepted packets to disrupt communication.
Why This Mapping Is Correct:
The functions and descriptions are aligned based on the core concepts of IPsec and the roles they play in ensuring secure data transmission.
Each function addresses a specific aspect of security:authentication, confidentiality, integrity, and replay protection.

NEW QUESTION # 161
Refer to the output information of a device below. According to the information, which of the following MPLS labels is carried in a data packet forwarded by the device to 10.0.1.1?

  • A. 0
  • B. 1
  • C. 2
  • D. 3
Answer: A
Explanation:
Comprehensive and Detailed Explanation:
# MPLS labels in SR-MPLS are calculated using the SRGB (Segment Routing Global Block) base and the Prefix-SID.
# Label Calculation Formula:
MPLS Label=SRGB Base+Prefix-SID        ext{MPLS Label} =         ext{SRGB Base} +         ext{Prefix-SID} MPLS Label=SRGB Base+Prefix-SID
# Extracting Values from the LSDB:
* SRGB Base: 36000
* Prefix-SID: 300
# Valid MPLS Labels:
* 36000 + 300 = 36300
* 40002 and 38002 fall within the SRGB range.
* 39002 is outside the expected range, making it the incorrect answer.
# Reference: Huawei HCIE Datacom - Segment Routing Label Calculation

NEW QUESTION # 162
Regarding the BGP ring protection mechanism, is the following description correct?
  • A. The AS_ PATH attribute is used between autonomous systems to prevent ring cats
  • B. The Cluster List property is used for loop guard within the reflector cluster, and the router rejects the route when it finds that the Cluster List of the route entry contains its own Cluster ID.
  • C. You can use the AS_ CONFED_SET attribute to prevent loops within a consortium.
  • D. Routes learned from IBGP are not advertised to IBGP neighbors and are used to prevent routing loops inside the AS.
Answer: A,C,D

NEW QUESTION # 163
The HW appliance network administrator plans to migrate IGMPv2 in the multicast network to IGMPV3 Where does IGMPV3 improve over IGMPv2?
  • A. IGMPv3 removes the ability to include all sources in a wildcard group
  • B. IGMPv3 removes the Report-suppression feature for membership reporting
  • C. IGMPv3 adds Request-to-send and Clear-to-send between source and local IGMP queries
  • D. IGMPv3 adds the ability for hosts to specify multicast groups that do not join a specific multicast source
  • E. IGMPv3 adds the ability for hosts to specify multicast groups that are joined to a specific multicast source
Answer: B,D,E

NEW QUESTION # 164
......
H12-891_V1.0 Exam Objectives: https://www.validbraindumps.com/H12-891_V1.0-exam-prep.html
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