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| Section | Objectives |
|---|---|
| Topic 1: Network Automation and Programmability | - SDN and automation
|
| Topic 2: Routing and Switching Technologies | - IP routing protocols
|
| Topic 3: WAN and VPN Technologies | - MPLS fundamentals
|
| Topic 4: Data Center and Virtualization Technologies | - VXLAN and overlay networks
|
| Topic 5: IPv6 and Advanced IP Technologies | - IPv6 deployment
|
| Topic 6: Enterprise Network Architecture | - Network design principles
|
| Topic 7: Network Security and QoS | - Security mechanisms
|
>> H12-891_V1.0 Certification Exam <<
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NEW QUESTION # 50
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
๐น 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.
๐น Jinja2 Syntax Basics:
โ
{% ... %} โ Used for control structures like loops and conditions.
โ
{{ ... }} โ Used for variable placeholders.
Example of a Jinja2 Template Using {% ... %} for a Loop:
{% for interface in interfaces %}
interface {{ interface.name }}
description {{ interface.description }}
{% endfor %}
๐น This template dynamically generates interface configurations based on a list of interfaces.
Why is the Answer TRUE?
โ
{% ... %} is used for control structures in Jinja2 templates (e.g., loops, if-else statements).
โ
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.
โ
Reference: Huawei HCIE-Datacom Guide - Jinja2 Templates in SSP Packages
NEW QUESTION # 51
Which of the following statements about configuring user access authentication is incorrect?
Answer: C
Explanation:
Huawei'suser access authentication configurationincludes the following components:
AAA scheme: Defines how users are authenticated (local, RADIUS, HWTACACS, etc.).
Domain: Groups users and associates them with an AAA scheme.
Access profile: Defines access control rules like 802.1X, MAC, Portal, or multi-mode authentication.
Correct workflow:
Bind theauthentication profile(which references the access profile) to theuser access interface.
Not the other way around.
Incorrect statement:
D).It incorrectly states youbind the access profile to the authentication profile, when in fact, theauthentication profile binds the access profileand is applied to the interface.
Correct answer: D
Reference:Huawei HCIE-Datacom V1.0 Study Guide -Chapter: NAC Configuration and Access ControlSection: Authentication Profiles and Interface Binding
NEW QUESTION # 52
Which of the following IEEE standards is specific to Gigabit Ethernet?
Answer: B,C
NEW QUESTION # 53
In the gRPC-based telemetry protocol, the data model layer consists of the RPC layer, telemetry layer, and service data layer. Drag the .proto file to the layer where the file should be located.
Answer:
Explanation:
NEW QUESTION # 54
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: A
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 # 55
......
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