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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: IS-IS | 8% | - IS-IS protocol fundamentals |
| Topic 2: Network Reliability | 8% | - Redundancy and failover mechanisms |
| Topic 3: Large-scale WLAN Architecture | 6% | - Enterprise WLAN deployment basics |
| Topic 4: Routing and Traffic Control | 10% | - Policy-based routing - Traffic engineering basics |
| Topic 5: Network Solution | 2% | - Integrated network design scenarios |
| Topic 6: OSPF | 16% | - OSPF areas and LSDB - OSPF core concepts |
| Topic 7: IPv6 | 3% | - IPv6 addressing and routing |
| Topic 8: Network Security | 9% | - ACL and basic security mechanisms |
| Topic 9: Network Service and Management | 2% | - Network management basics |
| Topic 10: Switching Technologies | 7% | - VLAN and STP fundamentals |
| Topic 11: Multicast | 9% | - IGMP and PIM concepts |
| Topic 12: Routing Fundamentals | 3% | - Network basics and routing principles |
| Topic 13: BGP | 17% | - BGP policy and attributes - BGP path selection |
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NEW QUESTION # 353
OSPF supports multiple processes. Multiple different OSPF processes can run on the same router. They do not affect each other and are independent of each other. The routing interaction between different OSPF processes is equivalent to the routing interaction between different routing protocols.
Answer: A
NEW QUESTION # 354
A campus network uses OSPF for network communication. The display ospf peer command is run on a router, and the command output is as follows:
vbnet
Copy
Edit
<R2> display ospf peer
OSPF Process 1 with Router ID 10.0.2.2
Area 0.0.0.0 interface 10.0.235.2 (GigabitEthernet0/0/1)'s neighbors
Router ID: 10.0.5.5 Address: 10.0.235.5
State: Full Mode: Nbr is Master Priority: 1
DR: 10.0.235.5 BDR: 10.0.235.3 MTU: 0
Dead timer due in 40 sec
Area 0.0.0.0 interface 10.0.24.2 (Serial1/0/1)'s neighbors
Router ID: 10.0.4.4 Address: 10.0.24.4
State: Full Mode: Nbr is Master Priority: 1
DR: None BDR: None MTU: 0
Dead timer due in 35 sec
Which of the following statements are true about the device?
Answer: A,C,D
Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
Analysis of the OSPF Neighbor State:
Router ID 10.0.5.5:
On interface 10.0.235.2 (GigabitEthernet0/0/1), the neighbor state is Full, indicating that adjacency is established.
The Designated Router (DR) is 10.0.235.5, which is the same as the neighbor's address.
Router ID 10.0.4.4:
On interface 10.0.24.2 (Serial1/0/1), the neighbor state is also Full, meaning adjacency is established.
The DR/BDR election status shows None, indicating that the interface is on a point-to-point link where DR
/BDR election does not apply.
Validation of Each Option:
Option A: Correct. The DR IP address is explicitly shown as 10.0.235.5.
Option B: Correct. The neighbor state for both 10.0.5.5 and 10.0.4.4 is Full, confirming adjacency is established.
Option C: Incorrect. DR/BDR elections are irrelevant on point-to-point links like Serial1/0/1.
Option D: Correct. The Router IDs of R2's neighbors are explicitly listed as 10.0.5.5 and 10.0.4.4.
References:
HCIA-Datacom Study Guide, Chapter: OSPF Neighbor Relationships
Huawei OSPF Neighbor and Adjacency Details
NEW QUESTION # 355
BGP routes have multiple path attributes.
When a router advertises a BGP route to its peers, the route carries multiple path attributes.
These attributes describe the characteristics of the BGP route and affect route selection in some scenarios.
The attribute is Huawei-specific.
It is valid only on the local device and is not transmitted to BGP peers.
(Enter the attribute name in lowercase as it appears in the command output about the BGP routing table.)
Answer:
Explanation:
preference
Explanation:
BGP routes have a variety ofpath attributesthat describe their characteristics and influence route selection.
These attributes include well-known mandatory attributes like AS-PATH and NEXT-HOP, as well as optional attributes like MED and LOCAL_PREF.
In Huawei devices, there is aHuawei-specific attributecalled"preference", which is a local parameter used to influence BGP route selection on the device.
Key Characteristics of "preference":
It is valid only locally on the router.
It is not shared with BGP peers.
It helps the router determine the best route when multiple routes exist for the same prefix.
It appears in the BGP routing table output in lowercase aspreference.Thus, the correct answer ispreference(entered in lowercase as required).
References:
Huawei HCIA-Datacom Study Guide, Chapter on "BGP Attributes".
NEW QUESTION # 356
A socket is composed of 5-tuples, so which of the following options does not belong to the range of 5- tuples?
Answer: A
NEW QUESTION # 357
As shown in the figure, the stateful inspection firewall forwards the packet because the packet matches the session status of the firewall.
Answer: A
Explanation:
A stateful inspection firewall tracks the state of active connections. If a packet matches an existing session in the firewall's state table, it is allowed to pass. The diagram indicates that the TCP packet matches the session state, so the firewall forwards it .
NEW QUESTION # 358
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