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NEW QUESTION # 104
Huawei network devices such as switches and routers can establish NETCONF channels with iMaster NCE- Campus through DHCP. The DHCP server notifies DHCP clients of the URL/IP address and port number of iMaster NCE-Campus through Option_____. (Enter only digits.)
Answer:
Explanation:
148
Explanation:
Huawei uses DHCP Option 148 for IPv4-based plug-and-play or zero-touch deployment of devices to iMaster NCE-Campus. The DHCP server can include controller information in this vendor-specific option, allowing a switch, router, or cloud-managed AP to obtain the southbound address or URL of iMaster NCE-Campus together with the required management port. After the device receives normal addressing information and the Option 148 parameters, it can reach the controller and establish the management channel, including NETCONF-based management in supported deployment scenarios. Huawei documentation distinguishes this from IPv6 deployment, where Option 17 can be used for equivalent controller discovery. The Option 148 value commonly carries fields such as the controller management mode, domain or IP address, and management port. This removes the need to manually enter controller information on every new device and is widely used in iMaster NCE- Campus onboarding workflows. Therefore, the numeric value required in the blank is 148, matching the source answer and Huawei campus deployment documentation.
NEW QUESTION # 105
After a switch restarts, static MAC address entries saved on the switch remain in the MAC address table.
Answer: A
Explanation:
Static MAC address entries are manually configured and stored in the switch's configuration file, making them persistent across reboots. These entries remain in the MAC address table after a restart, unlike dynamic entries, which are lost.
NEW QUESTION # 106
When Telnet or the web system is used to manage a device, which of the following mechanisms can be deployed to allow only fixed user IP addresses to log in to the device?
Answer: D
Explanation:
An Access Control List (ACL) can filter packets based on specified matching conditions, including source and destination IP addresses.
Huawei ' s HCIA-Datacom training material explains that ACLs provide traffic classification and access- control capabilities.
To restrict remote management access, an administrator can configure ACL rules that permit connections originating from authorized management IP addresses and deny connections from other sources.
The ACL must be applied to the appropriate management service or user interface for the restrictions to take effect.
Option A is incorrect because telemetry is primarily used for collecting and reporting operational data.
Option C is incorrect because SNMP is designed for network monitoring and management rather than implementing the specified login-source filtering mechanism.
Option D provides authentication, authorization, and accounting, but it is not the direct mechanism requested for filtering specific source IP addresses.
Therefore, option B is correct.
NEW QUESTION # 107
The configuration of an interface on a switch is shown below. When a data frame carrying the VLAN 20 tag is sent out through this interface, how does the switch process the data frame?
port link-type hybrid
port hybrid untagged vlan 10
port hybrid tagged vlan 20
port hybrid pvid vlan 10
Answer: C
Explanation:
Huawei hybrid interfaces support tagged and untagged frame forwarding, allowing administrators to control how frames associated with different VLANs leave a switch.
The command port hybrid untagged vlan 10 specifies that frames belonging to VLAN 10 are transmitted without an 802.1Q VLAN tag.
The command port hybrid tagged vlan 20 specifies that frames belonging to VLAN 20 retain their VLAN identification during transmission.
Therefore, when a frame associated with VLAN 20 leaves this interface, the switch forwards it with its VLAN
20 tag intact.
The command port hybrid pvid vlan 10 determines the default VLAN classification for untagged frames received on the interface. It does not require outgoing VLAN 20 frames to be converted into VLAN 10 frames.
Consequently, option D correctly describes the interface ' s egress behavior.
NEW QUESTION # 108
The administrator configures an Eth-Trunk in LACP mode between two switches, and sets the maximum number of active links in the Eth-Trunk to 3 and the number of remaining standby links to 1. If one of the active links fails, the two switches automatically adjust the number of active links to 2 through negotiation, and the standby link remains in the standby state.
Answer: A
Explanation:
This statement is false . In an Eth-Trunk operating in LACP mode , if the administrator sets the maximum number of active links to 3 and there is 1 standby link, then when one active member fails, LACP can automatically promote the standby member to active status. The purpose of the standby member is to maintain the configured active-link capacity whenever possible.
Therefore, after one active link fails, the normal expectation is not that the active-link count is reduced from 3 to 2 while the standby link remains idle. Instead, the standby link should participate and replace the failed member, so that the Eth-Trunk continues operating with 3 active links if the standby link and negotiation conditions are normal. This reflects the redundancy and fast recovery capabilities of LACP-based aggregation. HCIA-Datacom highlights that compared with manual mode, LACP provides more intelligent link selection, active/standby management, and fault adaptation. The statement is wrong because it ignores the intended behavior of the standby link in maintaining the number of active forwarding links after a failure.
NEW QUESTION # 109
......
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