Aktuelle Huawei H12-811_V2.0 Prüfung pdf Torrent für H12-811_V2.0 Examen Erfolg prep

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Huawei H12-811_V2.0 Prüfungsplan:

ThemaEinzelheiten
Thema 1
  • Ethernet Technology Basics: Covers Ethernet standards, switching principles, VLANs, and Layer 2 protocols used in enterprise network environments.
Thema 2
  • Data Communication Network Basics: Covers foundational concepts of data communication networks including network types, reference models (OSI
  • TCP-IP), and basic device roles.
Thema 3
  • Data Center Network Basics: Covers the architecture and key technologies used in modern data center networks including virtualization and high-availability design concepts.
Thema 4
  • IP Technology Basics: Covers IPv4
  • IPv6 addressing, subnetting, routing fundamentals, and common routing protocols such as OSPF, RIP, and static routing.

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H12-811_V2.0 Fragenkatalog - H12-811_V2.0 Deutsch Prüfungsfragen

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Huawei HCIA-Datacom V2.0 H12-811_V2.0 Prüfungsfragen mit Lösungen (Q97-Q102):

97. Frage
In the figure, a TCP connection has been established between PC1 and PC2. After PC1 sends a data segment to PC2, which of the following is the acknowledgment number in the packet returned by PC2?

Antwort: C

Begründung:
In TCP, the acknowledgment number indicates the next byte that the receiver expects to receive. In the figure, PC1 sends a TCP segment to PC2 with sequence number = a+22 and payload length = 22 bytes. Since TCP sequence numbers count bytes, the last byte carried in this segment corresponds to sequence number a+43.
Therefore, after PC2 successfully receives this data, it sends back an ACK indicating that the next expected byte is a+44.
That is why option B is correct. This is a standard TCP reliability mechanism. TCP does not acknowledge
"packets" as units; it acknowledges the byte stream. The ACK number always points to the next byte expected from the peer. The source and destination port numbers identify the session, but the sequence and acknowledgment numbers track ordered delivery. HCIA-Datacom uses this mechanism to explain connection- oriented transport, reliable delivery, retransmission, and traffic control. Understanding how the payload length affects sequence progression is essential when analyzing packet captures and troubleshooting TCP communication problems in enterprise networks.


98. Frage
The continuous development and innovation of upper-layer services pose higher requirements on general-purpose computing data center networks. Which of the following requirements can be met by deploying M-LAG and Eth-Trunk? (Choose all that apply.)

Antwort: A,B,D

Begründung:
M-LAG improves network device redundancy and ensures service continuity in case of device or link failures, which directly supports high availability. Eth-Trunk aggregates multiple physical links into one logical link, increasing total transmission capacity and providing higher aggregated bandwidth. Together, M-LAG and Eth-Trunk also support seamless Layer 2 mobility and VM migration by maintaining consistent forwarding across dual-homed connections in data center environments. Elastic scalability is more related to architecture expansion and cloud resource elasticity rather than directly provided by M-LAG or Eth-Trunk mechanisms.


99. Frage
Which of the following commands can be used to enable OSPF on the loopback interface (10.0.1.1/32) of R1?
(Select all that apply)

Antwort: A,B,C,D

Begründung:
In Huawei OSPF configuration, the network command identifies interfaces whose IP addresses match the specified network address and wildcard mask.
A wildcard mask uses zero bits to indicate positions that must match exactly and one bits to indicate positions that can vary.
Option A matches only the specific address 10.0.1.1.
Option B matches all addresses within 10.0.1.0/24, including 10.0.1.1.
Option C matches the larger 10.0.0.0/16 range, which also includes the loopback address.
Option D uses a wildcard mask of 255.255.255.255, meaning that all IPv4 address bits are ignored during matching. Consequently, every eligible IPv4 interface address matches.
All four commands therefore match the loopback interface address and can enable OSPF on that interface when configured in the appropriate OSPF area.
The correct answers are A, B, C, and D.


100. Frage
The following commands are configured on R1:
[R1] acl number 2001
[R1-acl-number-2001] rule permit source 172.16.105.0 0.0.0.255
[R1-acl-number-2001] rule deny source any
[R1-acl-number-2001] quit
[R1] ftp server acl 2001
According to the preceding configurations, only hosts with source IP addresses on network segment 172.16.105.0/24 cannot access the FTP service of R1.

Antwort: B

Begründung:
The FTP server ACL applied on R1 is used to control which source IP addresses are allowed to access the FTP service. According to the ACL:
172.16.105.0/24 is explicitly permitted
all other IP addresses are denied due to "deny source any"
However, the ACL is applied as an FTP server ACL, meaning only the permitted subnet is allowed to access FTP, and all others are denied. Therefore, the statement is incorrect because it says only 172.16.105.0/24 cannot access FTP, while in fact this subnet is the one that is allowed.


101. Frage
A Layer 2 switch works at the data link layer. As such, it can identify MAC addresses in data frames, forward data based on MAC addresses, and record mappings between MAC addresses and interface numbers in its MAC address table.

Antwort: A

Begründung:
Layer 2 switches operate at the data link layer, handling frames based on MAC addresses. They maintain a MAC address table to record mappings between MAC addresses and interfaces, allowing efficient frame forwarding within the local network.


102. Frage
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