2025 H12-821_V1.0 FREE EXAM DUMPS | RELIABLE EXAMCOLLECTION H12-821_V1.0 FREE DUMPS: HCIP-DATACOM-CORE TECHNOLOGY V1.0 100% PASS

2025 H12-821_V1.0 Free Exam Dumps | Reliable Examcollection H12-821_V1.0 Free Dumps: HCIP-Datacom-Core Technology V1.0 100% Pass

2025 H12-821_V1.0 Free Exam Dumps | Reliable Examcollection H12-821_V1.0 Free Dumps: HCIP-Datacom-Core Technology V1.0 100% Pass

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q88-Q93):

NEW QUESTION # 88
After the administrator of an enterprise deploys a DHCP server, employees complain that their clients cannot obtain IP addresses from the DHCP server. Which of the following may cause this problem?

  • A. Multiple DHCP servers are configured.
  • B. The DHCP function is disabled by default, and the administrator forgets to enable the DHCP function.
  • C. STP is enabled on the DHCP server.
  • D. DHCP clients and the DHCP server are on different network segments, and no DHCP relay agent is configured on the network.

Answer: B,D

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
* DHCP Configuration Issues:
* Option C: The DHCP function is disabled by default on Huawei devices. If the administrator forgets to enable it, clients cannot receive IP addresses.
* Option D: DHCP uses broadcast messages, which do not traverse routers. If the clients and DHCP server are on different subnets, a DHCP relay agent must be configured.
* Other Options:
* Option A: Multiple DHCP servers can coexist as long as their IP address pools do not overlap.
This is unlikely to cause the problem.
* Option B: STP does not affect DHCP operations unless it delays port activation, which is uncommon in this scenario.
References:
* HCIA-Datacom Study Guide, Chapter: DHCP Configuration and Troubleshooting
* Huawei DHCP Relay Agent Configuration


NEW QUESTION # 89
Which of the following statements is false about the default processing of the next hop address when a BGP device advertises a route?

  • A. When advertising a route to an EBGP peer, a BGP device sets the next hop address to the IP address of its interface connected to the peer.
  • B. When advertising a locally originated route to an IBGP peer, a BGP device sets the next hop address to the IP address of its interface connected to the peer.
  • C. A BGP device does not change the next hop address of a route if the route is received from an IBGP peer and is to be sent to another IBGP peer.
  • D. When advertising a non-labeled route received from an EBGP peer to an IBGP peer, a BGP device changes the next hop address to the IP address of its interface connected to the IBGP peer.

Answer: D

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
* Default Next Hop Behavior in BGP:
* Locally Originated Routes (A): The next hop is set to the advertising router's interface IP address.
* Routes Received from EBGP (B): The next hop is not changed when these routes are advertised to IBGP peers. (This makes Option B false.)
* Routes Advertised to EBGP (C): The next hop is set to the interface IP address of the advertising router.
* Routes Advertised Between IBGP Peers (D): The next hop is not modified by default.
* Incorrect Statement:
* Option B is incorrect because the next hop of a non-labeled route received from an EBGP peer is not changed when it is advertised to IBGP peers.
References:
* HCIA-Datacom Study Guide, Chapter: BGP Next Hop Behavior
Huawei BGP Routing Principles


NEW QUESTION # 90
On an IS-IS network, areas are divided by router, and a router can belong to only one area. Therefore, an IS-IS router only needs to maintain the LSDB of its area.

  • A. TRUE
  • B. FALSE

Answer: B

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
* IS-IS Area Division:
* IS-IS divides areas by routers, not by links. A router is assigned to a specific IS-IS area, but it can belong to multiple levels:
* Level 1: Maintains the LSDB (Link State Database) for the local area only.
* Level 2: Maintains the LSDB for the backbone area and exchanges routes between areas.
* Behavior of a Level 1-2 Router:
* A router configured as Level 1-2 must maintain two separate LSDBs:
* One for intra-area routes (Level 1).
* One for inter-area routes (Level 2).
* Incorrect Statement:
* The statement that an IS-IS router only needs to maintain the LSDB of its area is incorrect because Level 1-2 routers maintain LSDBs for both levels.
References:
* HCIA-Datacom Study Guide, Chapter: IS-IS Area Structure
* Huawei IS-IS Fundamentals


NEW QUESTION # 91
Multiple BGP processes cannot be configured on the same router.

  • A. TRUE
  • B. FALSE

Answer: B

Explanation:
On Huawei devices, multiple BGP processes can be configured on the same router, but they are typically used for specific use cases such as multi-instance deployments or virtual routers. This flexibility is supported by Huawei's routing protocols .


NEW QUESTION # 92
During routine O&M, the administrator checks the IGMP configuration on a router interface. The configuration is as follows:
<RTA> display igmp interface
Interface information of VPN-Instance: public net
GigabitEthernet0/0/1(192.168.1.1):
IGMP is enabled
Current IGMP version is 2
IGMP state: up
IGMP group policy: none
IGMP limit: -
Value of query interval for IGMP (negotiated): -
Value of query interval for IGMP (configured): 60 s
Value of other querier timeout for IGMP: 0 s
Value of maximum query response time for IGMP: 10 s
Querier for IGMP: 192.168.1.1 (this router)
Given this, which of the following statements are true?

  • A. The interval for sending Group-Specific Query messages is 60s.
  • B. The maximum response time to Query messages is 10s.
  • C. The IP address of the interface is 192.168.1.1.
  • D. The IGMP version is IGMPv2.

Answer: A,B,C,D

Explanation:
Comprehensive and Detailed In-Depth Explanation:
* A. TRUE # The interface GigabitEthernet0/0/1 has an IP address of 192.168.1.1.
* B. TRUE # The IGMP version is explicitly stated as IGMPv2.
* C. TRUE # The maximum query response time for IGMP is set to 10 seconds.
* D. TRUE # The IGMP Query Interval is configured as 60 seconds, meaning the router sends Group- Specific Queries every 60 seconds.
# Reference: Huawei HCIA-Datacom Study Guide, IGMP Configuration and Query Timers.


NEW QUESTION # 93
......

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