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Huawei H12-821_V1.0 Exam Syllabus Topics:

SectionObjectives
Topic 1: BGP- BGP Technologies
  • 1. BGP Path Selection
  • 2. BGP Route Advertisement
  • 3. IBGP and EBGP
Topic 2: Network Reliability- Reliability Technologies
  • 1. VRRP
  • 2. Redundancy Design
  • 3. BFD
Topic 3: Multicast- IP Multicast Technologies
  • 1. Multicast Forwarding
  • 2. IGMP
  • 3. PIM
Topic 4: Ethernet Switching Technology- Switching Fundamentals
  • 1. STP/RSTP/MSTP
  • 2. Link Aggregation
  • 3. VLAN
Topic 5: Network Solutions- Enterprise Network Solutions
  • 1. Campus Network
  • 2. Datacom Architecture
  • 3. WAN Solution
Topic 6: Network Service and Management- O&M Technologies
  • 1. Network Monitoring
  • 2. SNMP
  • 3. Telemetry
Topic 7: IS-IS- IS-IS Fundamentals
  • 1. LSP and SPF Mechanism
  • 2. Level-1 and Level-2 Routing
  • 3. IS-IS Neighbor Establishment
Topic 8: Routing and Traffic Control- Traffic Management
  • 1. Policy-based Routing
  • 2. Route Filtering
  • 3. Traffic Optimization
Topic 9: Network Security- Security Technologies
  • 1. ACL
  • 2. AAA
  • 3. Attack Prevention
Topic 10: WLAN- Wireless Networking
  • 1. Wireless Security
  • 2. WLAN Deployment
  • 3. WLAN Architecture
Topic 11: Routing Basics- IP Routing Fundamentals
  • 1. Route Selection
  • 2. Static Routing
  • 3. Routing Table Principles
Topic 12: IPv6- IPv6 Fundamentals
  • 1. IPv4 to IPv6 Transition
  • 2. IPv6 Routing
  • 3. IPv6 Addressing
Topic 13: OSPF- OSPF Fundamentals
  • 1. OSPF Neighbor Relationship
  • 2. LSA and SPF Calculation
  • 3. OSPF Area Design

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최신 HCIP-Datacom H12-821_V1.0 무료샘플문제 (Q179-Q184):

질문 # 179
On a campus network, ISIS runs on all devices. Detailed LSDB information displayed on one of the devices is as follows:

Which of the following statements are true based on the command output?

정답：B,C


질문 # 180
Which of the following descriptions of 802.1X authentication technology in VLAN networks is incorrect?

정답：D


질문 # 181
As shown in the figure, R1 imports the direct route 10.1.1.0/24 to OSPF. An engineer enables bidirectional route re-advertisement on R2 and R3, and configures the following commands on R3. After the network becomes stable, which of the following is thePrevalue of the route 10.1.1.0/24 in the routing table of R4?

[R3]acl 2000
[R3-acl-basic-2000] rule permit source 10.1.1.0 0
[R3-acl-basic-2000] quit
[R3]route-policy hcip permit node 10
[R3-route-policy-10] if-match acl 2000
[R3-route-policy-10] apply preference 14
[R3-route-policy-10] quit
[R3]ospf 1
[R3-ospf-1] preference ase route-policy hcip

정답：C

설명：
Let's analyze the process step-by-step:
R1redistributes thedirect route 10.1.1.0/24intoOSPF.
This OSPF route reachesR2andR3.
R2 and R3 are in an environment that usesIS-IStowardsR4.
BothR2 and R3 re-advertisethis OSPF route into IS-IS toward R4 (bidirectional route redistribution).
OnR3, aroute-policy named hcipis applied to controlASE (Autonomous System External) route preference.
The ACL matches the route10.1.1.0/24.
The route-policy sets thepreferenceof this ASE route to14.
InHuawei VRP, if a route-policy applied via preference ase route-policy matches a route, itmodifies the preferencevalue of the redistributed route when it is advertised.
By default:
OSPF ASE routeshave apreference of 150.
But in this case, due to the policy applied, the preference is explicitly changed to14on R3 before re- advertising to R4.
So,R4will install the route10.1.1.0/24from R3 withpreference 14, assuming R2 doesn't provide a better preference.
Reference from Huawei HCIP-Datacom-Core Technology Study Guide:
"You can control the preference of OSPF ASE routes by using a route-policy and applying it with the command preference ase route-policy. When the policy matches, the specified preference is used instead of the default (150)." (Chapter: OSPF Advanced Features - Section: Route Control and Inter-AS Route Redistribution)


질문 # 182
BGP uses which of the following messages to exchange routing information between peers?

정답：D


질문 # 183
Which of the following does not belong to the OSI network management model?

정답：B


질문 # 184
......

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