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| Section | Objectives |
|---|---|
| Enterprise Network Architecture | - Network design principles
|
| Data Center and Virtualization Technologies | - VXLAN and overlay networks
|
| IPv6 and Advanced IP Technologies | - IPv6 deployment
|
| Network Security and QoS | - QoS mechanisms
|
| WAN and VPN Technologies | - MPLS fundamentals
|
| Routing and Switching Technologies | - IP routing protocols
|
| Network Automation and Programmability | - SDN and automation
|
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NEW QUESTION # 210
Which of the following options uses an alternate channel to enable communication between IPV6 addresses?
Answer: C,D
NEW QUESTION # 211
An SRLB is a set of user-specified local labels reserved for SR-MPLS. These labels are locally configured and have only local significance. Therefore, they are not advertised through the IGP.
Answer: B
Explanation:
Understanding SRLB (Segment Routing Local Block)
๐น What is SRLB?
SRLB (Segment Routing Local Block) is a range of local MPLS labels used by Segment Routing (SR-MPLS).
These labels are only relevant to the local router and are not advertised to other routers.
๐น Key SR-MPLS Label Blocks:
โ
SRGB (Segment Routing Global Block) - Globally significant labels shared among routers.
โ
SRLB (Segment Routing Local Block) - Locally significant labels, not shared.
Why is the Answer TRUE?
โ
SRLB labels are only locally defined and are NOT distributed via IGP (OSPF or IS-IS).
โ
They are used for local forwarding decisions within an SR-enabled router.
โ
Only SRGB labels are advertised to ensure consistent global label assignment.
Real-World Application:
Traffic Engineering (TE): Uses SRLB for custom local path optimizations.
Segment Routing Networks: Ensures scalable MPLS forwarding without requiring full LDP signaling.
โ
Reference: Huawei HCIE-Datacom Guide - Segment Routing Label Blocks (SRGB & SRLB)
NEW QUESTION # 212
In EPIM-SM, the following description of the PIM Join message is correct?
Answer: A
NEW QUESTION # 213
A network administrator runs the display telemetry subscription command on a device to check telemetry subscription information. The command output is as follows:
[~CE]display telemetry subscription
Sub-name : Sub1
Sensor group:
Sensor-name Sample-interval(ms) State
Sensor1 1000 RESOLVED
Destination group:
Dest-name Dest-IP Dest-port State Vpn-name Protocol
Dest1 192.168.56.1 20000 RESOLVED - GRPC
Sub-state : PASSIVE
Total subscription number is : 1
Which of the following statements is incorrect?
Answer: D
Explanation:
Comprehensive and Detailed Explanation:
# Correct Interpretations from the Output:# (A) The subscription name is "Sub1" (Confirmed from output).# (C) The subscription is static (PASSIVE state indicates this).# (D) The sample interval is
1000ms (1 second).
# (B) Incorrect:
* The IP address "192.168.56.1" belongs to the destination server, not the local device.
# Reference: Huawei HCIE Datacom - Telemetry Subscription and Monitoring
NEW QUESTION # 214
K company has two types of network services: UDP-based real-time video streaming services and TCP-based FTP download services. The company's network administrator often receives complaints that the FTP download speed is slow or unstable. What are the possible causes?
Answer: B,D
Explanation:
Comprehensive and Detailed
Key Factors Affecting FTP Performance:
Tail Drop and TCP Synchronization (A) โ
Tail Drop causes TCP global synchronization, reducing FTP speeds drastically when congestion occurs.
Since FTP is TCP-based, packet loss due to tail drop forces TCP retransmissions, further degrading performance.
Priority Preemption by Video Traffic (D) โ
UDP-based real-time video traffic is often prioritized over TCP-based traffic to avoid jitter and packet loss.
If video traffic has higher QoS priority, FTP bandwidth may be preempted, leading to slow speeds.
Incorrect Options:
โ Option B: PQ scheduling typically prioritizes latency-sensitive traffic (VoIP), but this scenario does not mention priority queuing for FTP.
โ Option C: No information about an explicit rate limit on FTP traffic.
๐ Reference: Huawei HCIE Datacom - QoS and Congestion Control
NEW QUESTION # 215
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