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Huawei H12-891_V1.0-ENU Exam Syllabus Topics:

Section	Objectives
IP Network Fundamentals	- TCP/IP and OSI model - Network architecture and protocols
Network Security	- Basic security mechanisms - Network attack prevention and isolation
Routing and Switching	- BGP fundamentals and policy control - OSPF / IS-IS routing principles
Network Automation and Programmability	- Network automation tools and APIs - SDN concepts
Advanced Networking Technologies	- IPv6 deployment and transition - MPLS and VPN technologies

Huawei HCIE-Datacom V1.0 Sample Questions:

1. Which nationality meets the following two conditions: 1] BGP Router A can choose whether the Ulpdate message is based on the nationality. ( )
If Router B receives a Updae message containing a cross-hatch, run-by B does not have an identified solidity, but will also contain a multifaceted] Ulpdate retracts the advertisement to Router C.
Router C may recognize and apply this attribute. (Multiple choice questions).

A) Community
B) Aggregator
C) Local_Pref
D) Multi_Exit_Disc

2. Which of the following messages does the BGP protocol support?

A) Update
B) Hello
C) Keepalive
D) Open

3. WRED is configured on the newly deployed router HW.
What is the correct description of the WRED features below? (Multiple choice questions).

A) Avoid global synchronization by selectively dropping multiple TCP streams
B) When the flow exceeds the minimum threshold, WRED begins to discard all inlet flow (tail drop)
C) WRED can set different drop thresholds and packet loss rates for packets of different priority
D) Low-bandwidth traffic is easier to drop than high-bandwidth traffic

4. Which of the following default routing delivery methods does OSPF support? (Multi-select)

A) It can be issued without force
B) Answer can be issued on ASBR
C) Can be issued on ABR
D) Issuance can only be enforced

5. All interfaces of the router have OSPF enabled, the Cost value of the link is identified in the figure, and the Loopback0 socket for R2 is advertised in area 1, then Rl reaches 10022/32 with a Cost value of?