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Huawei H12-821_V1.0: HCIP-Datacom-Core Technology V1.0 is an essential certification exam for IT professionals who are looking to enhance their knowledge and skills in datacom networking technologies. HCIP-Datacom-Core Technology V1.0 certification validates a candidate's understanding of datacom core technologies, making them an expert in the field. H12-821_V1.0 Exam is a computer-based exam that tests the candidate's knowledge through multiple-choice questions, fill in the blanks, and drag-and-drop questions. Upon passing the exam, candidates can gain a Huawei certification and can benefit from career advancement opportunities.

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q83-Q88):

NEW QUESTION # 83
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. DR
B. IR
C. ASBR
D. ABR

Answer: C

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 # 84
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 IGMP version is IGMPv2.
C. The IP address of the interface is 192.168.1.1.
D. The maximum response time to Query messages is 10s.

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 # 85
As shown in the figure, SWA, SWB, SWC, and SWD run the Rapid Spanning Tree Protocol (RSTP). Which of the following statements are true?

A. Once receiving OPOUs, the edge port re-partlci pates in the calculation of the spanning tree.
B. After a port is Configured as an edge port, the port can quickly enter the Forwarding state.
C. You can enable the edge port on SWD's GEO/0/2 connected to the terminal so that this port can quickly enter the Forwarding state.
D. You can enable the edge port on SWC's GE0/0/2 connected to the terminal so that this port can quickly enter the forwarding state.

Answer: B,C,D

Explanation:
Edge ports are used in RSTP to bypass the spanning tree calculation for ports connected to end devices. By configuring ports like SWD's GE0/0/2 and SWC's GE0/0/2 as edge ports, they transition directly to the Forwarding state upon activation, ensuring faster convergence. Statement A is incorrect because receiving BPDU invalidates the edge port status .

NEW QUESTION # 86
Typically, a protocol that occupies two ports during communication is called a multi-channel protocol. For such protocols, the ASPF function must be enabled on the firewall to ensure smooth setup of the data channel and reduce the risk of attacks. Which of the following protocols is not a multi-channel protocol?

A. SIP
B. H.323
C. FTP
D. SMTP

Answer: D

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
Multi-Channel Protocols:
Multi-channel protocols use separate channels for control and data communication, requiring application- specific packet filtering (ASPF) to track sessions.
Examples:
FTP (A):Uses separate control and data channels.
SIP (B):Uses multiple ports for signaling and media.
H.323 (D):A VoIP protocol using multiple channels.
Single-Channel Protocol:
SMTP (C):A single-channel protocol for email communication, which does not require ASPF.
References:
HCIA-Datacom Study Guide, Chapter: Firewall ASPF Configuration
Huawei Multi-Channel Protocol Handling

NEW QUESTION # 87
After a BGP device establishes a peer relationship, it advertises routes. Which of the following statements are true about BGP route advertisement?

A. When there are multiple valid routes to the same destination, a BGP device advertises only the optimal route to its peers.
B. When routes are updated, the BGP device sends all BGP routes.
C. Routes obtained from an IBGP peer are not sent to other IBGP peers.
D. Routes obtained from EBGP peers are advertised to all peers.

Answer: A,C,D

Explanation:
Comprehensive and Detailed In-Depth Explanation:
* A. TRUE # EBGP-learned routes can be advertised to both IBGP and EBGP peers.
* B. FALSE # BGP uses incremental updates, meaning it only advertises changed routes, not all routes.
* C. TRUE # BGP advertises only the best path to prevent unnecessary routing information.
* D. TRUE # IBGP split-horizon rule: Routes learned from IBGP peers are not re-advertised to other IBGP peers (to prevent loops).
# Reference: Huawei HCIA-Datacom Study Guide, BGP Route Advertisement and Split-Horizon Rule.

NEW QUESTION # 88
......

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DumpsKing Huawei H12-821_V1.0 PDF Dumps and Practice Test Software

Exam H12-821_V1.0 Objectives Pdf, H12-821_V1.0 Pdf Braindumps

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q83-Q88):

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