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Huawei H12-831-ENU Exam Syllabus Topics:

Section	Objectives
Network Services	- DHCP and NAT 1. NAT/PAT configuration principles 2. DHCP operation process
Network Security and Management	- Basic network security 1. ACL concepts and filtering 2. Device security hardening basics - Network management 1. SNMP and monitoring concepts 2. Basic troubleshooting methods
Routing Protocols	- OSPF 1. LSA types and area design 2. OSPF neighbor relationships - BGP 1. IBGP and EBGP configuration basics 2. BGP attributes and path selection
IP Network Fundamentals	- TCP/IP model and IP addressing 1. IPv4/IPv6 addressing principles 2. Subnetting and VLSM
Switching Technologies	- STP 1. Loop prevention mechanisms 2. STP/RSTP principles - VLAN and Trunking 1. 802.1Q tagging 2. VLAN configuration and isolation

Huawei HCIP-Datacom Sample Questions:

1. In the alarm management function of eSight, its alarm levels are divided into the following four types:

A) Urgent, Important, Minor, Reminder
B) Urgent, Important, Warning, Reminder
C) Urgent, Important, Main, Reminder
D) Urgent, Minor, General, Reminder

2. What check items can be set by IPSG? (Multiple choice)

A) VLANID
B) IP address
C) Outgoing interface
D) MAC address

3. OSPFV2 is an IGP running on an IPV4 network; OSPFv3 is an IGP running on an IPV6 network. The basic working mechanism of OSPFv3 is the same as that of OSPFv2, such as the election of DR and BDR.
As shown in the figure, an engineer uses three routers to test IPv6 services. He wants to realize the interconnection of IPv6 networks by running OSPFv3.

Which of the following statements about the election of the network DR is correct?

A) After the network converges, R1 is powered off and restarted, and when the network converges again, R3 is the DR
B) After the network converges, R1 is the DR
C) After the network converges, the engineer changes the priority of R1 to 100, the priority of R2 to 10, and the default value of R3. When the network converges again, R1 is the DR
D) After the network converges, a new device R4 is added to the broadcast link

4. Access control refers to restricting or blocking specific access traffic based on the needs of business management and control on the basis of reachable network routes.

A) True
B) False

5. As shown in the figure, OSPF is enabled on all interfaces of the router. The ip address marked in the figure is the IP address of the loopback0 interface. The Loopback0 of R1, R2, and R3 is advertised in area 1, and the Loopback0 of R4 is advertised in area 0, Loopback0 of R5 announces which of the following functional addresses in area 2 can ping each other?