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| Section | Objectives |
|---|---|
| Topic 1: Network Security and QoS | - Security mechanisms
|
| Topic 2: Data Center and Virtualization Technologies | - VXLAN and overlay networks
|
| Topic 3: IPv6 and Advanced IP Technologies | - IPv6 deployment
|
| Topic 4: WAN and VPN Technologies | - MPLS fundamentals
|
| Topic 5: Routing and Switching Technologies | - Switching technologies
|
| Topic 6: Network Automation and Programmability | - SDN and automation
|
| Topic 7: Enterprise Network Architecture | - Network design principles
|
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NEW QUESTION # 93
On a broadcast network, if the DR priorities of two interfaces connecting two routers are set to 0, in which of the following states will the OSPF neighbor relationship stay?
Answer: D
Explanation:
In OSPF (Open Shortest Path First), routers connected over broadcast networks (like Ethernet) elect a Designated Router (DR) and Backup Designated Router (BDR). DR election is based on the interface priority. If the priority is set to 0, the router cannot become a DR or BDR.
When both routers have a priority of 0, no DR or BDR will be elected, and since the election fails, the neighbor relationship between the two routers will not advance beyond the 2-Way state. In this state, the routers acknowledge each other but do not exchange routing information in detail (as they only form full adjacency with the DR/BDR).
Therefore, the OSPF neighbor relationship remains in the 2-Way state.
NEW QUESTION # 94
The Option field in OSPEv3 appears in all LSAs
Answer: B
NEW QUESTION # 95
This figure shows anSRv6 (Segment Routing over IPv6)packet. If theDestination Addressfield in the IPv6 basic header isFC04::4, the value of theSL (Segment Left)field in the SRv6 header should be____.(Enter only digits.)
Answer:
Explanation:
1
Explanation:
Comprehensive and Detailed In-Depth Explanation:1. Understanding SRv6 (Segment Routing over IPv6):
SRv6 uses theIPv6 headeralong with an additionalSRH (Segment Routing Header)to implement segment routing within an IPv6 network. The SRH contains:Segment List (SL):A listof IPv6 addresses (segments) to traverse.SL (Segments Left):An integer that indicates thenumber of segmentsyet to be visited.Active Segment:
Thenext IPv6 addressin the segment list, stored in theDestination Addressfield of the IPv6 header.2.
Analyzing the Given Scenario:Thesegment list (SL)in the SRH header shows:FC04::400FC04::4FC03::3The segment list is processed inreverse order(from bottom to top).SL (Segments Left)indicates theindex of the active segmentin the list.TheDestination Addressin the IPv6 header is currentlyFC04::4, indicating that theactive segmentis thesecond elementin the list.3. Determining the Value of SL:Theindexingin the segment list starts from0.SinceFC04::4is thesecond segment (from the bottom), the value ofSLwill be1.This means that1 segment is leftto be processed after the current one (FC04::4).Once the packet reachesFC04::4, theSL value will decrement to 0, and the next segment (FC03::3) will be processed.4. Why the Answer is 1:TheSL value decreases as segments are processed.As the currentactive segmentis thesecond in the list (from the bottom), theSL value is 1.
NEW QUESTION # 96
In the firewall hot standby scenario, in which of the following conditions will the local device proactively send VGMP packets?
Answer: C
Explanation:
Comprehensive and Detailed
VGMP (Virtual Group Management Protocol) is used in Huawei firewalls for hot standby and high availability.
When is VGMP Activated?✔ When hot standby is enabled, firewalls must synchronize their states to maintain failover capability. ✅✔ VGMP sends packets periodically to check if the standby firewall is operational.
Why Other Options Are Incorrect?❌ Priority increase (B): Does not trigger VGMP packets directly.❌ Link detection timeout (C): Affects failover but does not initiate VGMP packets.❌ Hot standby being disabled (A): Disables VGMP, preventing packets from being sent.
Thus, the correct answer is D.
📖 Reference: Huawei HCIE Datacom - Firewall Hot Standby and VGMP
NEW QUESTION # 97
Router HW1 exists in the carrier HW's network as an MPLSLSR router. The router receives a packet carrying a label, but the label entry does not exist in its LFIB. So how does the router handle that message?
Answer: B
NEW QUESTION # 98
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