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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q135-Q140):

NEW QUESTION # 135
During routine operation and maintenance, an engineer checks the IGMP configuration on RTA. The configuration is as follows:
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 is false?

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

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
1. Understanding IGMP (Internet Group Management Protocol):
* IGMP is used in multicast networking to manage membership of devices in multicast groups.
* Key parameters in the configuration provided:
* Interface IP Address: 192.168.1.1
* IGMP Version: 2
* Query Interval (Configured): 60 seconds
* Maximum Query Response Time: 10 seconds
* Querier Address: 192.168.1.1
2. Analysis of Each Statement:
Option A: The IP address of the interface is 192.168.1.1.
* Correct (True Statement).
* The configuration clearly shows that the IP address of the interface is 192.168.1.1.
Option B: The maximum response time to Query messages is 10s.
* Correct (True Statement).
* The configuration explicitly mentions: Value of maximum query response time for IGMP: 10 s.
Option C: The interval for sending Group-Specific Query messages is 60s.
* Incorrect (False Statement).
* The 60-second value refers to the query interval, which is the time interval between general queries sent by the querier.
* The interval for group-specific queries is not specified in this configuration. It is determined dynamically based on the multicast environment and is usually shorter than the general query interval.
Option D: The IGMP version is IGMPv2.
* Correct (True Statement).
* The configuration specifies: Current IGMP version is 2.
3. Why Option C is False:
* The 60-second value is for general query interval, not group-specific query interval.
* The statement misinterprets the configuration, making it false.
4. Summary:
C: (The interval for sending Group-Specific Query messages is 60s).

NEW QUESTION # 136
On an OSPF network, all OSPF routers generate Router LSAs. If the E bit in a Router LSA is set to 1, the router that generates this LSA is a/an ______.

A. ASBR
B. ABR
C. IR
D. DR

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:
* Router LSAs (Type 1 LSAs) are generated by every OSPF router to describe its directly connected links and their states.
* The E (External) bit in the Options field of a Type 1 LSA indicates whether the router is acting as an Autonomous System Boundary Router (ASBR).
* If E = 1, it means that the router is an ASBR, which means it is redistributing external routes (e.g., BGP, static routes) into OSPF.
* IR (Internal Router), ABR (Area Border Router), and DR (Designated Router) do not set the E-bit in their Router LSA unless they are also ASBRs.
# Reference: Huawei HCIA-Datacom Study Guide, OSPF Router Types and LSA Options.

NEW QUESTION # 137
Which of the following statement regarding the display ospf peer command output is true?

A. Address: 10.1,1.1 Indicates that the local interface address is 10.1.1.1.
B. Through negotiation during DD packet exchange, the local end becomes the slave.
C. The DR address is 10.1.1.1
D. Router ID indicates that the local router ID Is 10.1.1.1.

Answer: B

Explanation:
The command output indicates that the OSPF neighbor state isFulland that the neighbor relationship has been established. The statement confirms that the negotiation process during the exchange of DD (Database Description) packets has determined the role of the router, with the local device becoming the slave in the Master-Slave relationship, which is critical for LSA synchronization. The other options do not align with the output or OSPF principles

NEW QUESTION # 138
An enterprise administrator wants to configure single-hop BFD to implement fast detection of direct links.
Which of the following configurations are mandatory?

A. Configure the remote discriminator of a BFD session.
B. Configure a multicast IP address for BFD.
C. Configure the local discriminator of a BFD session.
D. Enable BFD globally.

Answer: A,C,D

Explanation:
For single-hop BFD (Bidirectional Forwarding Detection), the configuration must include the local and remote discriminators to uniquely identify the session endpoints. Additionally, enabling BFD globally is a prerequisite for initiating BFD sessions. Configuring multicast IP addresses isunnecessary for single-hop BFD, as it operates over direct links. Huawei's configuration guidelines specify these requirements to ensure effective deployment and operation of BFD.
Understanding BFD (Bidirectional Forwarding Detection):
BFD is a protocol used to detect link faults quickly between two routers.
Single-hop BFD operates on directly connected links and is commonly used for fast fault detection in routing protocols like OSPF and BGP.
HCIP-Datacom-Core Technology Training Material (BFD Basics and Configuration).
Mandatory Configurations for Single-Hop BFD:
A: Configure the remote discriminator of a BFD session:The remote discriminator is used to uniquely identify the BFD session at the remote end. This is essential for session establishment.
B: Configure the local discriminator of a BFD session:The local discriminator uniquely identifies the BFD session at the local end. This is required to establish a BFD session.
D: Enable BFD globally:BFD must be enabled globally on the router for the protocol to operate and for session configurations to take effect.
Optional Configuration:
C: Configure a multicast IP address for BFD:This is not required for single-hop BFD, as it operates over direct links using unicast communication. Multicast is used in other scenarios, like multi-hop BFD.
Conclusion:The correct configurations for single-hop BFD areA,B, andD.

NEW QUESTION # 139
On Huawei switches, which of the following planes provides network information and forwarding entries that are mandatory for data plane forwarding?

A. Monitoring plane
B. Data plane
C. Control plane
D. Forwarding plane

Answer: C

Explanation:
Comprehensive and Detailed in-depth Step-by-Step Explanation:To understand this question, let's first review the functional planes in network devices, particularly Huawei switches:
* Control Plane:
* The control plane is responsible for generating and maintaining routing tables and forwarding entries.
* It uses protocols like OSPF, BGP, and RIP to exchange routing information with other network devices. Once the routing information is processed, it installs forwarding entries into the forwarding plane for actual packet forwarding.
* On Huawei switches, the control plane is mandatory for building and updating the forwarding table. Without it, the data plane cannot forward traffic correctly.
* Forwarding Plane (or Data Plane):
* This plane handles the actual forwarding of packets based on the forwarding table created by the control plane.
* The forwarding plane operates at high speed to ensure that traffic flows efficiently.
* Monitoring Plane:
* This plane is responsible for network management and monitoring. It gathers statistics and provides tools for troubleshooting and visibility.
In this case, the control plane provides the routing information and forwarding entries required for the data plane to perform packet forwarding. Therefore, the correct answer is B. Control plane.
References:
* Huawei HCIA-Datacom Study Guide, Chapter on "Switch Architecture and Planes".
* Huawei Official Documentation on Switching and Routing Basics.

NEW QUESTION # 140
......

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q135-Q140):

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