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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Campus Network Planning and Deployment | 23% | - Overlay Network (VXLAN)
|
| Topic 2: Advanced Routing and Switching Technology | 37% | - IS-IS
|
| Topic 3: Bearer WAN Planning and Deployment | 15% | - Traffic Engineering
|
| Topic 4: Network Automation | 17% | - NCE (Network Cloud Engine)
|
| Topic 5: WAN Interconnection Network Planning and Deployment | 8% | - MPLS VPN
|
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NEW QUESTION # 248
In SSP packages, Jinja2 templates are used to implement mapping. In the Jinja2 syntax, {% ... %} contains control structures, for example, a 'for' loop.
Answer: A
Explanation:
Understanding Jinja2 Templates in Huawei SSP Packages
# What is Jinja2?
* Jinja2 is a templating engine used in Huawei SSP (Smart Script Package) automation.
* It allows dynamic configuration generation based on variables and logic.
# Jinja2 Syntax Basics:# {% ... %} # Used for control structures like loops and conditions.# {{ ... }} # Used for variable placeholders.
Example of a Jinja2 Template Using {% ... %} for a Loop:
jinja2
CopyEdit
{% for interface in interfaces %}
interface {{ interface.name }}
description {{ interface.description }}
{% endfor %}
# This template dynamically generates interface configurations based on a list of interfaces.
Why is the Answer TRUE?
# {% ... %} is used for control structures in Jinja2 templates (e.g., loops, if-else statements).# Jinja2 templates are widely used in SSP for Huawei network automation.
Real-World Application:
* Automated Network Configuration: Uses Jinja2 in Huawei SSP automation scripts.
* Data Center & SDN Automation: Dynamically generates VXLAN, BGP, and OSPF configurations.
# Reference: Huawei HCIE-Datacom Guide - Jinja2 Templates in SSP Packages
NEW QUESTION # 249
When Huawei iMaster NCE-IP is used to configureSR-MPLS TE tunnels, which of the following protocols is used by the controller to collect device running status information?
Answer: B
Explanation:
Comprehensive and Detailed In-Depth Explanation:
TheiMaster NCE-IP controllerusesTelemetryto collect real-timedevice running statusinformation efficiently and with low latency.
Telemetry (A):Enables continuousdata streamingto the controller, including network performance and link state information.
Telnet (B):Used for manual device management and not suitable for automated data collection.
BGP-LS (C):Used fordistributing link-state information, but not for real-time performance data collection.
IS-IS (D):AnIGP protocol, not used for collecting device status.
NEW QUESTION # 250
A client sends an HTTP request to a server, and the server sends back an HTTP response. Which of the following parameters isnotcarried in the HTTP response?
Answer: A
Explanation:
Comprehensive and Detailed In-Depth Explanation:
AnHTTP responsefrom the server to the client typically includes the following components:
Protocol version (C):Specifies the HTTP version used (e.g., HTTP/1.1).
Status code (B):Indicates the response result (e.g., 200 for OK, 404 for Not Found).
Reason phrase (A):A textual description associated with the status code (e.g., " OK " , " Not Found " ).
Headers and Body:Contain additional information and the actual response content.
URI (D):TheUniform Resource Identifieris part of theHTTP requestand not theHTTP response. Therefore,Dis the correct answer.
Reference:
Huawei HCIE Datacom Official Certification Guide
RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
NEW QUESTION # 251
OSPF is deployed on a campus network to implement network interconnection. The LSDB of R2 is shown in the figure.
What can be determined from the LSDB?
Answer: A,B
Explanation:
To analyze this question, let's break down the key concepts and the given LSDB (Link State Database) information from the figure:
Understanding the LSDB Output:
The output shows the OSPF LSDB on R2 with Router ID 10.1.123.2.
Area 0.0.0.0 (Area 0) is displayed along with several Link State Advertisements (LSAs) including Router LSAs, Network LSAs, and Summary LSAs.
Area 0.0.0.1 (Area 1) also displays Router LSAs and a Type 7 LSA (NSSA LSA) with Link-State ID 0.0.0.0.
An External LSA (Type 5) with Link-State ID 0.0.0.0 and AdvRouter 10.1.123.2 is also present.
Analysis of Each Option:
Option A: Area 1 is an NSSA.
Correct.
The presence of a Type 7 LSA (NSSA LSA) in the database indicates that Area 1 is configured as an NSSA (Not-So-Stubby Area).
NSSA allows the injection of Type 7 LSAs for external routes while blocking Type 5 LSAs from entering the area.
Option B: R2 translates Type 7 default route into Type 5 default route.
Correct.
In an NSSA, if an ABR (like R2) has the NSSA ASBR capability, it will convert Type 7 LSAs to Type 5 LSAs before injecting them into the backbone area (Area 0).
In the LSDB, we see both a Type 7 LSA (NSSA) and a corresponding Type 5 External LSA, confirming that R2 performs this translation.
Option C: R2 advertises the default route in the OSPF process.
Incorrect.
There is no indication that R2 itself is originating the default route.
The Type 7 LSA in Area 1 and the Type 5 LSA in Area 0 only indicate translation from another source, not R2 advertising it directly.
Option D: Area 1 does not have Type 3 LSAs. The possible cause is that R2 filters Type 3 LSAs in the outbound direction of Area 1.
Incorrect.
In an NSSA area, Type 3 LSAs (Inter-Area Prefix LSAs) are typically not generated for external routes.
The absence of Type 3 LSAs in Area 1 is due to the nature of NSSA itself rather than any filtering configured on R2.
NEW QUESTION # 252
OSPF is deployed on a campus network to implement network interconnection. An engineer configures R2 as shown in the figure. Which of the following statements is incorrect about LSAs on the OSPF network?
Answer: B
Explanation:
# Analyze the Configuration:
[R2] acl 2000
[R2-acl-basic-2000] rule deny
[R2] ospf
[R2-ospf-1] area 1
[R2-ospf-1-area-0.0.0.1] filter 2000 import
[R2-ospf-1-area-0.0.0.1] quit
[R2-ospf-1] default-route-advertise always
# Understanding Key Concepts:
Type 3 LSAs (Inter-Area Routes):
Generated by ABRs to advertisesummary routesbetween areas.
Filtering Type 3 LSAsis possible using import filters (like in Area 1).
Type 5 LSAs (External Routes):
Flooded only within the same ASbutdo not enter stub or NSSA areas.
#Breakdown of the Options:
A). Type 5 LSAs are flooded in Area 1##Incorrect
If Area 1 is astub or NSSA, thenType 5 LSAs are not allowed.
Although the diagram does not explicitly say Area 1 is a stub/NSSA,real deployments often use stub areas at the edge (like Area 1).
More importantly,the filter is applied to Area 1, and there isno redistributionof external routes into Area 1 in the config.
Therefore, Type 5 LSAs wouldnot be floodedthere.
B). Type 3 LSAs are not flooded in Area 1##Correct
The command filter 2000 import with ACL rule deny meansType 3 LSAs are filtered from Area 0 into Area 1.
C). Type 3 LSAs are not flooded in Area 2##Correct
There isno filter applied to Area 2, so thiscould be false,butsince the question asks for the incorrect statement, this is not the answer.
D). Type 5 LSAs are flooded in Area 2##Correct
Area 2 is not shown to be stub or NSSA, and there's no filter or restriction configured.
Hence,Type 5 LSAs are allowedandflooded in Area 2.
#Correct answer: A. Type 5 LSAs are flooded in Area 1.
Reference:Huawei HCIE-Datacom V1.0 Study GuideChapter:OSPF Advanced ConfigurationSection:LSA Types and Filtering (Type 3 and Type 5)
NEW QUESTION # 253
......
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