H12-811_V1.0 Exam Dumps - Huawei HCIA-Datacom Questions and Answers

Comprehensive Explanation: The output shows that the current and next startup configurations are different. Specifically, the startup saved-configuration file is flash:/vrpcfg.zip, and the next startup saved-configuration file is flash:/backup.zip, indicating that changes have been made and the system will use a different configuration file at the next reboot​

Detailed Explanation:The Type/Length field value of 0x0800 indicates that the upper-layer protocol is IPv4. However, the length of the IPv4 header can range from 20 to 60 bytes, not the length of the entire upper-layer packet. The field refers to the type of the encapsulated protocol, and the length is not constrained to the header alone​​.

Switches generally operate at the data link layer (Layer 2) and are used to manage communication within a local area network (LAN) by directing traffic among devices. They are not usually deployed as egress devices, which are typically routers. Switches facilitate internal LAN communication, while egress devices handle traffic leaving the network​.

Comprehensive Explanation: The PVID (Port VLAN ID) is the VLAN to which untagged data frames are assigned on a hybrid port. In this configuration, the port hybrid untagged vlan 4 6 command indicates that VLANs 4 and 6 are untagged, and the PVID will be the lowest untagged VLAN, which is VLAN 4. Tagged frames for VLANs 2, 3, and 100 will be forwarded as tagged, but untagged traffic will belong to VLAN 4 by default.

A direct route (also called a connected route) is automatically created when an interface is assigned an IP address and is up.

Option A (Incorrect): The administrator does NOT need to manually configure a direct route. It is automatically added when an IP is assigned to an interface.

Option B (Incorrect): Direct routes have a higher priority than dynamic routes (e.g., OSPF, RIP, etc.).

Option C (Correct): Direct routes have the highest priority among all routing types (default priority = 0, which is the highest).

Option D (Incorrect): Static routes have a lower priority (default 60) than direct routes (0).

Thus, the correct answer is C (The direct route has the highest priority.)

Detailed Explanation:When bridge priorities are identical, STP elects the switch with the lowest MAC address as the root. Here, Switch B has the lowest MAC address (00-e0-fc-00-00-10), making it the root switch. (Reference: HCIA-Datacom Training Material, STP Root Bridge Election)

Comprehensive Explanation: Router A needs a static route to reach the Loopback interface (10.0.2.2/32) on Router B. The correct next-hop IP address is 10.0.12.2, which is Router B ' s interface IP address directly connected to Router A​

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In trunk mode, the interface can forward frames tagged with VLANs specified in the allow-pass list (here, VLAN 100) without removing tags. However, if an untagged frame is received, it is assigned to the PVID (here, VLAN 200). This configuration allows both tagged and untagged traffic, with the PVID determining the VLAN for untagged frames​.

CAPWAP (Control and Provisioning of Wireless Access Points) is a protocol that enables centralized control of Fit APs by an AC (Access Controller).

Option A (Incorrect): CAPWAP tunnels only control traffic, while data traffic can be sent via direct forwarding or tunneled forwarding.

Option B (Incorrect): A Fit AP can discover an AC via multiple methods, including broadcast, static configuration, or DHCP Option 43.

Option C (Correct): APs encapsulate user data into CAPWAP packets and send them to the AC for further processing.

Option D (Incorrect): CAPWAP is based on UDP, not TCP, for better efficiency and lower latency.

Thus, the correct answer is C.

Detailed Explanation:In a Layer 2 WLAN, an Access Controller (AC) typically handles authentication and management but does not act as a gateway. Instead, a Layer 3 device, such as a router, serves as the gateway. (Reference: HCIA-WLAN Training Material, WLAN Layer 2 and Layer 3 Concepts)