Das neueste H12-811_V2.0, nützliche und praktische H12-811_V2.0 pass4sure Trainingsmaterial

Um Ihre Zertifizierungsprüfungen reibungslos erfolgreich zu meistern, brauchen Sie nur unsere Prüfungsfragen und Antworten zu Huawei H12-811_V2.0 （HCIA-Datacom V2.0）auswendigzulernen. Viel Erfolg!

Huawei H12-811_V2.0 Prüfungsplan:

ThemaEinzelheiten
Thema 1
  • Typical Campus Networking Solution: Covers end-to-end campus network design scenarios, integrating switching, routing, security, and wireless technologies into a unified solution.
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
  • Network Security and Services: Covers essential network security mechanisms including ACLs, AAA, NAT, and basic firewall concepts to protect network infrastructure.
Thema 4
  • WLAN Technology Basics: Covers wireless LAN standards, components such as APs and ACs, WLAN architecture, and basic configuration principles.
Thema 5
  • Data Center Network Basics: Covers the architecture and key technologies used in modern data center networks including virtualization and high-availability design concepts.

>> H12-811_V2.0 Exam <<

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Huawei HCIA-Datacom V2.0 H12-811_V2.0 Prüfungsfragen mit Lösungen (Q17-Q22):

17. Frage
On the network shown in the figure, the interfaces connecting switches to terminals are access interfaces, and the interfaces connecting switches to each other are trunk interfaces. The administrator configures interface- based VLAN assignment. PC1 and PC3 belong to VLAN 2, and PC2 and PC4 belong to VLAN 3. Trunk interfaces allow packets from VLAN 2 and VLAN 3 to pass through and use the default PVID. The MAC address tables of switches are empty. When SW1 receives a unicast data frame sent from PC1 to PC3, through which of the following interfaces does SW1 not send the data frame?

Antwort: A,B

Begründung:
PC1 and PC3 are members of VLAN 2, while PC2 and PC4 are members of VLAN 3. SW1 receives the frame from PC1 on access interface GE1/0/1 and associates it with VLAN 2. Because all switch MAC address tables are initially empty, PC3 ' s destination MAC address is unknown to SW1. The switch therefore floods this unknown unicast frame only through other interfaces that can carry VLAN 2. GE1/0/3 connects to PC3 in VLAN 2, so it is a valid flood port. GE1/0/4 is a trunk that permits VLAN 2 and VLAN 3, so it is also eligible to carry the VLAN 2 frame. SW1 does not send the frame back through GE1/0/1, the ingress interface, and it does not send it through GE1/0/2 because that access port belongs to VLAN 3. Therefore, the interfaces through which SW1 does not send the frame are GE1/0/2 and GE1/0/1, corresponding to A and D.


18. Frage
On an STP network, an administrator wants SW2 to be elected as the root bridge. Which of the following methods can be used to achieve this goal?

Antwort: A

Begründung:
In STP, the root bridge is elected based on the lowest bridge ID (BID). A BID is composed of the bridge priority and the MAC address of the switch. The device with the smallest BID becomes the root bridge.
Therefore, if an administrator wants SW2 to become the root bridge, the most direct and correct method is to configure a lower system priority on SW2, making option C correct.
Option A is incorrect because port priority affects port-role selection in some tie-breaking scenarios, but it does not determine root-bridge election. Option B is the opposite of what is required, because a higher system priority makes the BID larger and reduces the chance of being elected as root. Option D is also incorrect because root path cost is used by non-root bridges to select the best path to the existing root bridge; it does not determine which switch becomes the root bridge in the first place. HCIA-Datacom stresses that bridge priority tuning is the standard administrative method used to control root bridge placement in campus networks for stable and predictable Layer 2 topology design.


19. Frage
Four links between two switches establish an Eth-Trunk in manual mode, and the bandwidth of each link is 1 Gbit/s. One of the links fails. Which of the following statements are true about this scenario? (Select all that apply)

Antwort: C,D

Begründung:
In an Eth-Trunk working in manual mode, multiple physical member links are bundled into one logical interface to provide higher bandwidth and link redundancy. If one of four 1 Gbit/s member links fails, the Eth-Trunk does not go down as long as at least one valid member link remains active. Therefore, statement A is correct. Since one link has failed and three member links remain available, the total available bandwidth becomes 3 Gbit/s, so statement B is also correct.


20. Frage
The MAC address table of SW1 is shown in the figure. If SW1 receives a data frame with the destination MAC address 0050-5600-0003 from PC1, through which of the following interfaces does SW1 send the data frame?

Antwort: A,C,D

Begründung:
The MAC address table in the exhibit contains learned entries for 0050-5600-0001 on GE1/0/1 and 0050-
5600-0002 on GE1/0/2, but there is no entry for destination MAC 0050-5600-0003. A frame arriving from PC1 on GE1/0/1 with an unknown unicast destination is therefore flooded within the VLAN. Huawei Ethernet switching behavior sends the unknown unicast frame through all other eligible Layer 2 interfaces in that VLAN, while never sending it back through the ingress interface. In the shown topology, the remaining interfaces are GE1/0/2, GE1/0/3, and GE1/0/4. Consequently, the frame is sent through options A, D, and B respectively. GE1/0/1, option C, is excluded because it is the ingress interface from which SW1 received the frame. If SW1 later learns 0050-5600-0003 on a specific port, subsequent unicast frames can be forwarded only through that learned port. For the empty destination entry shown, the verified answer is A, B, and D.


21. Frage
The administrator performs the configuration shown in the figure on SW1 and SW2. Initially, PC1 is connected to GE1/0/1 of SW1. After the network is stable, the administrator pings the IP addresses of PC2 and PC3 from PC1.
Later, the administrator connects PC1 to GE1/0/2 of SW1. After the network is stable, the administrator pings the IP addresses of PC2 and PC3 from PC1.
Which of the following statements is false about this scenario? (Select all that apply)

Antwort: A,C

Begründung:
The switch configuration places GE1/0/1 in VLAN 10 and GE1/0/2 in VLAN 20. The inter-switch trunk carries both VLANs.
Initially, PC1 connects through GE1/0/1, placing its traffic in VLAN 10. It can therefore communicate with PC2, which belongs to the same VLAN.
After PC1 moves to GE1/0/2, its traffic belongs to VLAN 20. Consequently, PC1 can communicate with PC3 rather than PC2.
Statement B is false because PC1 can still reach PC3 after the interface change.
Statement D is also false because dynamic MAC address learning associates the source MAC address, VLAN ID, and ingress interface identifier. It does not create the stated mapping using the interface ' s own MAC address.
Statements A and C correctly describe the expected Layer 2 communication.


22. Frage
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