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Huawei H12-811_V2.0 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Typical Campus Networking Solution: Covers end-to-end campus network design scenarios, integrating switching, routing, security, and wireless technologies into a unified solution.
Topic 2
  • WLAN Technology Basics: Covers wireless LAN standards, components such as APs and ACs, WLAN architecture, and basic configuration principles.
Topic 3
  • Ethernet Technology Basics: Covers Ethernet standards, switching principles, VLANs, and Layer 2 protocols used in enterprise network environments.
Topic 4
  • Data Communication Network Basics: Covers foundational concepts of data communication networks including network types, reference models (OSI
  • TCP-IP), and basic device roles.
Topic 5
  • IP Technology Basics: Covers IPv4
  • IPv6 addressing, subnetting, routing fundamentals, and common routing protocols such as OSPF, RIP, and static routing.
Topic 6
  • Data Center Network Basics: Covers the architecture and key technologies used in modern data center networks including virtualization and high-availability design concepts.
Topic 7
  • Network Security and Services: Covers essential network security mechanisms including ACLs, AAA, NAT, and basic firewall concepts to protect network infrastructure.

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Huawei HCIA-Datacom V2.0 Sample Questions (Q19-Q24):

NEW QUESTION # 19
Which of the following descriptions regarding the TTL field of the IP packet is correct?

Answer: B


NEW QUESTION # 20
If host A wants to communicate with host B, which is on another subnet, host A broadcasts an ARP request to obtain host B's MAC address. After receiving the request, host B replies with an ARP response to notify host A of its MAC address.

Answer: B

Explanation:
ARP broadcasts are used only within the same local subnet to resolve IP addresses into MAC addresses. When the destination host is on a different subnet, the sender does not try to resolve the remote host's MAC address directly; instead, it uses the default gateway's MAC address to forward the packet.


NEW QUESTION # 21
Which of the following statements are true about the Python code shown below? (Select all that apply) import paramiko import time ssh = paramiko.SSHClient() ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) ssh.connect('192.168.1.254', username='python', password='Huawei@123') channel = ssh.invoke_shell() channel.send('screen-length 0 temporary\n') time.sleep(1) output = channel.recv(65535).decode('utf-8') print(output) ssh.close()

Answer: A,B,C,D

Explanation:
All four statements are correct. The code uses the Paramiko library to automate SSH login to a network device. import paramiko and import time load the Python modules required for SSH communication and delay control, so option C is correct. The statement ssh = paramiko.SSHClient() creates an SSH client object, and ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) allows the client to accept an unknown host key automatically in this example scenario.
The command ssh.connect('192.168.1.254', username='python', password='Huawei@123') establishes an SSH connection to the target device, so option B is correct. Then channel = ssh.invoke_shell() opens an interactive shell channel, which is commonly used to send CLI commands and receive output just as an administrator would in a terminal session, making option D correct. The command channel.send('screen-length 0 temporary\n') disables page-by-page output for the current session, which is useful in network automation. Finally, ssh.close() closes the SSH session and releases the connection, so option A is correct. HCIA-Datacom automation knowledge often uses Paramiko examples to demonstrate basic Python-based device O&M.


NEW QUESTION # 22
On the network shown in the figure, GE1/0/1 and GE1/0/2 of SW1 are access interfaces, and their PVIDs are VLAN 2 and VLAN 3 respectively. GE1/0/1 of SW2 is also an access interface, and its PVID is VLAN 4. Which of the following configurations on SW1 and SW2 can ensure that data packets sent from PC1 and PC2 can reach PC3?

Answer: B,D

Explanation:
PC1 and PC2 are in different VLANs on SW1, while PC3 is in VLAN 4 on SW2. To allow traffic from VLAN 2 and VLAN 3 users to reach PC3 through the inter-switch link, SW1 must be able to send frames from PC1 and PC2 toward SW2 in a form that SW2 can place into VLAN 4.
Option B is valid because a hybrid interface on SW1 can send frames from VLAN 2 and VLAN 3 untagged, and setting the PVID to VLAN 4 allows untagged inbound frames on the peer side to be associated appropriately when matched with the SW2 configuration. Option C is also valid because configuring SW2's GE1/0/3 as a trunk allowing VLAN 4 and setting its PVID to VLAN 4 means untagged frames arriving from SW1 are treated as belonging to VLAN 4 and can then be forwarded to PC3 through its access interface.


NEW QUESTION # 23
After an Eth-Trunk in LACP mode is created, devices on both ends send LACPDUs to elect the Actor. Which of the following parameters in LACPDUs determine the Actor election?

Answer: A,C,D

Explanation:
In LACP (Link Aggregation Control Protocol), the Actor is elected based on device priority, interface priority, and MAC address. These parameters ensure consistency and determine the active links within the aggregated trunk. The interface number alone is not a determining factor.


NEW QUESTION # 24
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