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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

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最新的 HCIP-Datacom H12-821_V1.0 免費考試真題 (Q333-Q338):

問題 #333
In BGP, the origin attribute of the routes imported using the import-route command is incomplete.

答案：A

解題說明：
When routes are imported into BGP using the import-route command, the origin attribute is set to incomplete by default. This indicates that the route's origin is not known or is from an external source, as opposed to being explicitly learned through an IGP (IGP) or EGP (EGP) protocol .


問題 #334
Multiple BGP processes cannot be configured on one router.

答案：A


問題 #335
Stateful inspection firewalls use session tables to track active TCP sessions and UDP sessions, and the firewall security policy determines which sessions are established, and packets will only be forwarded if they are associated with a session.

答案：A


問題 #336
Which statement about the VRRP protocol version is correct? (Multiple choice)

答案：A,C,D


問題 #337
Route attributes are specific descriptions of routes. BGP route attributes can be classified into four types.
Which of the following are well-known discretionary attributes?

答案：C,D

解題說明：
Comprehensive and Detailed Step-by-Step Explanation:
1. BGP Attributes Overview:
BGP uses attributes to describe the properties of routes. These attributes are classified into the following categories:
Well-Known Mandatory: Attributes that must be recognized and included in every BGP update. Examples:
AS_PATH, ORIGIN, NEXT_HOP.
Well-Known Discretionary: Attributes that must be recognized but are not required in every BGP update.
Examples: LOCAL_PREF, ATOMIC_AGGREGATE.
Optional Transitive: Attributes that may or may not be recognized, but must be passed along to other BGP peers. Examples: COMMUNITY.
Optional Non-Transitive: Attributes that may or may not be recognized, and are not passed along to other BGP peers. Examples: MED (Multi-Exit Discriminator).
2. Analysis of Each Option:
Option A: Atomic_Aggregate
Correct.
This is a well-known discretionary attribute. It indicates that the advertised route is an aggregate route that summarizes multiple specific routes.
Option B: Local-Preference
Correct.
This is a well-known discretionary attribute. It is used within an AS to prioritize routes, with higher values being preferred.
Option C: Community
Incorrect.
The COMMUNITY attribute is an optional transitive attribute. It is used to tag routes with specific labels to apply routing policies.
Option D: MED (Multi-Exit Discriminator)
Incorrect.
The MED attribute is an optional non-transitive attribute. It is used to influence the choice of the preferred path when there are multiple entry points into an AS.
3. Summary:
Well-Known Discretionary Attributes: Atomic_Aggregate and Local-Preference.
Huawei HCIA-Datacom Study Guide, Chapter "BGP Route Attributes."
RFC 4271: Border Gateway Protocol 4 (BGP-4).


問題 #338
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