H12-811_V2.0 Valid Exam Test & H12-811_V2.0 Study Reference

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Huawei H12-811_V2.0 Exam Syllabus Topics:

Topic	Details
Topic 1	Ethernet Technology Basics: Covers Ethernet standards, switching principles, VLANs, and Layer 2 protocols used in enterprise network environments.
Topic 2	Network Security and Services: Covers essential network security mechanisms including ACLs, AAA, NAT, and basic firewall concepts to protect network infrastructure.
Topic 3	WLAN Technology Basics: Covers wireless LAN standards, components such as APs and ACs, WLAN architecture, and basic configuration principles.
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.

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Huawei HCIA-Datacom V2.0 Sample Questions (Q135-Q140):

NEW QUESTION # 135
R1 has the following configurations:
[R1] radius-server template 1
[R1-radius-1] radius-server authentication 10.1.6.6 1812
[R1-radius-1] radius-server accounting 10.1.6.6 1813
[R1-radius-1] radius-server shared-key cipher YsHsjx_202206139
[R1-radius-1] quit
[R1] aaa
[R1-aaa] authentication-scheme auth1
[R1-aaa-authen-auth1] authentication-mode radius
[R1-aaa-authen-auth1] quit
[R1-aaa] accounting-scheme acc1
[R1-aaa-accounting-acc1] accounting-mode radius
[R1-aaa-accounting-acc1] quit
[R1-aaa] domain huawei.com
[R1-aaa-domain-huawei.com] authentication-scheme auth1
[R1-aaa-domain-huawei.com] accounting-scheme acc1
[R1-aaa-domain-huawei.com] radius-server 1
[R1-aaa-domain-huawei.com] quit
[R1-aaa] quit
Which of the following statements is true?

A. RADIUS does not support accounting. Even if an accounting server is specified in the RADIUS server template, accounting cannot be performed when terminals access the network.
B. When a terminal initiates an authentication request, R1 needs to first establish a TCP connection with the server whose IP address is 10.1.6.6.
C. When a terminal uses the user name hcia-datacom@huawei.com to initiate authentication, RADIUS authentication is used.
D. The user cannot obtain authorization information after being authenticated because the IP address of the authorization server is not configured in the RADIUS server template.

Answer: C

Explanation:
Option D is correct. The AAA configuration binds the domain huawei.com to the authentication scheme auth1, which uses RADIUS as the authentication mode, and to the accounting scheme acc1, which also uses RADIUS. Therefore, when a user logs in with a user name in the format hcia-datacom@huawei.com, the device parses the suffix @huawei.com, matches the domain, and applies the configured RADIUS authentication method.

NEW QUESTION # 136
On the network shown in the figure, GE1/0/1, GE1/0/2, and GE1/0/3 of SW1 are directly connected to SW2, and GE1/0/4 of SW1 is directly connected to SW3. The administrator runs the interface eth-trunk 1 command on SW1 and SW2 to create an Eth-Trunk to increase link bandwidth. Which of the following statements are true about this scenario?

A. If the administrator configures an Eth-Trunk in manual mode and adds all interfaces of SW1 to the Eth- Trunk, traffic may be forwarded to SW3 through GE1/0/4 of SW1.
B. If the administrator configures an Eth-Trunk in LACP mode and adds all interfaces of SW1 to the Eth- Trunk, no traffic will be forwarded to SW3 through GE1/0/4 of SW1.
C. If the administrator configures an Eth-Trunk in LACP mode and adds all interfaces of SW1 to the Eth- Trunk, the Eth-Trunk will go Up.
D. If the administrator configures an Eth-Trunk in manual mode and adds all interfaces of SW1 to the Eth- Trunk, the Eth-Trunk will go Down.

Answer: A,B,C

Explanation:
LACP mode and manual load-balancing mode behave differently when an Eth-Trunk contains a link connected to the wrong peer. In LACP mode, member interfaces exchange LACPDUs and the switches determine which physical links can participate in the same aggregation. GE1/0/1 through GE1/0/3 are correctly connected between SW1 and SW2, so they can form an operational LACP Eth-Trunk. GE1/0/4 is connected to SW3 and cannot successfully negotiate as a member of the SW1-SW2 LAG; it is therefore not used for service forwarding to SW3. This makes A and B true. In manual mode, there is no LACP negotiation to validate that every member terminates on the same peer. If GE1/0/4 is manually placed in the trunk, the device may treat it as a forwarding member and hash some traffic onto that link toward SW3. The trunk does not automatically go Down solely because of that incorrect peer connection. Therefore C is false and D is true.

NEW QUESTION # 137
A Huawei network device functioning as an AAA server is referred to as a local AAA server.
Compared with a remote AAA server, a local AAA server reduces operation costs. However, the amount of information that can be stored on a local AAA server is limited by the hardware performance of the device.

A. FALSE
B. TRUE

Answer: B

Explanation:
A local AAA server runs directly on the Huawei network device, which reduces deployment and operational costs compared to a remote AAA server. However, its storage capacity and processing capability are constrained by the device hardware resources, limiting the amount of AAA information it can maintain.

NEW QUESTION # 138
When source NAT is configured on an enterprise egress device, which of the following may prevent intranet users from accessing the public network?

A. No IP address is available in the NAT address pool.
B. No route to the intranet address is configured on the public network router.
C. The IP address of an intranet user is out of the IP address range specified in the NAT policy.
D. The NAT function is not enabled on the device ' s outbound interface connected to the public network.

Answer: A,C,D

Explanation:
The uploaded key includes all four options, but option B is not a valid requirement for normal source NAT and should be removed. Source NAT translates the private source address of outbound traffic into a public address before the packet enters the public network. The public-side router therefore needs reachability to the translated public address for return traffic, not a route to the original private intranet address. By contrast, A can prevent access if NAT is not applied on the proper outbound interface or direction. C can also prevent translation when the configured address pool has no usable address available, depending on the NAT mode and session requirements. D is valid because traffic whose source address does not match the NAT policy or referenced ACL will not be translated; private-source packets then normally cannot traverse the Internet as intended. Routing on the enterprise egress device must of course also be correct, but the specific absence described in B is not inherently a failure when source NAT is working. The verified selections are A, C, and D.

NEW QUESTION # 139
On the switched network shown in the figure, STP is enabled on all devices. The priorities, bridge MAC addresses, and port costs of the devices are shown in the figure. Other parameters retain the default values.
After the network is stable, which of the following statements are false about this scenario? (Select all that apply)

A. SW1 is the root bridge on the network.
B. All ports on SW1 are designated ports.
C. SW3 has two alternate ports.
D. The path of traffic from SW2 to SW4 is SW2 # SW3 # SW4.

Answer: C,D

Explanation:
STP elects the root bridge using the lowest Bridge ID, which consists of bridge priority and MAC address.
All switches have the same priority, but SW1 has the lowest bridge MAC address. Therefore, SW1 becomes the root bridge, making B true.
All active ports on the root bridge operate as designated ports, so C is also true.
SW3 selects its direct connection to SW1 as its root port because this provides the lowest root path cost. Its connection toward SW2 becomes an alternate port, while its connection toward SW4 is designated. Therefore, SW3 does not have two alternate ports, making A false.
The forwarding path from SW2 to SW4 follows SW2 # SW1 # SW3 # SW4, not the path stated in D.
Therefore, A and D are false.

NEW QUESTION # 140
......

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