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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Switching Technologies | 7% | - VLAN and STP fundamentals |
| Topic 2: Routing and Traffic Control | 10% | - Traffic engineering basics - Policy-based routing |
| Topic 3: IPv6 | 3% | - IPv6 addressing and routing |
| Topic 4: Network Solution | 2% | - Integrated network design scenarios |
| Topic 5: Network Service and Management | 2% | - Network management basics |
| Topic 6: Routing Fundamentals | 3% | - Network basics and routing principles |
| Topic 7: IS-IS | 8% | - IS-IS protocol fundamentals |
| Topic 8: BGP | 17% | - BGP path selection - BGP policy and attributes |
| Topic 9: Network Reliability | 8% | - Redundancy and failover mechanisms |
| Topic 10: OSPF | 16% | - OSPF areas and LSDB - OSPF core concepts |
| Topic 11: Large-scale WLAN Architecture | 6% | - Enterprise WLAN deployment basics |
| Topic 12: Multicast | 9% | - IGMP and PIM concepts |
| Topic 13: Network Security | 9% | - ACL and basic security mechanisms |
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NEW QUESTION # 49
Which of the following does not belong to the OSI network management model?
Answer: D
NEW QUESTION # 50
Which of the following understanding of DR/BDR is wrong? (Multiple choice)
Answer: B,D
NEW QUESTION # 51
The physical interface bound to the VRF instance cannot be divided into sub-interfaces.
Answer: B
NEW QUESTION # 52
On the OSPF network shown in the figure, an adjacency has been established between R1 and R2. An engineer configures the commands in the figure on R2. In this case, which of the following routing entries may exist in the routing table of R2?
Answer: A,B,D
Explanation:
Configuration Analysis:
* On R2, the following configuration has been applied:acl 200rule deny source 10.1.0.0 0.0.3.0rule permit#ospf 1filter-policy 2000 import On R2, the following configuration has been applied:acl 200rule deny source 10.1.0.0 0.0.3.0rule permit#ospf 1filter-policy 2000 import On R2, the following configuration has been applied:acl 200rule deny source 10.1.0.0 0.0.3.0rule permit#ospf 1filter-policy 2000 import On R2, the following configuration has been applied:acl 200rule deny source 10.1.0.0 0.0.3.0rule permit#ospf 1filter-policy 2000 import On R2, the following configuration has been applied:acl 200rule deny source 10.1.0.0 0.0.3.0rule permit#ospf 1filter-policy 2000 import On R2, the following configuration has been applied:acl 200rule deny source 10.1.0.0 0.0.3.0rule permit#ospf 1filter-policy 2000 import On R2, the following configuration has been applied:acl 200rule deny source 10.1.0.0 0.0.3.0rule permit#ospf 1filter-policy 2000 import On R2, the following configuration has been applied:acl 200rule deny source 10.1.0.0 0.0.3.0rule permit#ospf 1filter-policy 2000 import
* This configuration uses ACL 200 to filter routes during import into the OSPF routing table on R2.
* Rule deny source 10.1.0.0 0.0.3.0: Blocks routes in the range 10.1.0.0/24 to 10.1.3.0/24 (inclusive).
* Rule permit: Allows all other routes to be imported.
* Impact of ACL 200 on Route Import:
* 10.1.0.0/24 to 10.1.3.0/24: These subnets are explicitly denied by ACL 200 and will not appear in R2's routing table.
* 10.1.4.0/24 and beyond: These subnets are permitted by the rule permit statement and will be imported into R2's routing table.
* Routing Table Entries on R2:
* Option A (10.1.4.0/24): Exists in R2's routing table because it is permitted.
* Option B (10.1.3.0/24): Does not exist because it is denied by ACL 200.
* Option C (10.1.2.0/24): Does not exist because it is denied by ACL 200.
* Option D (10.1.1.0/24): Does not exist because it is denied by ACL 200.
* A (10.1.4.0/24)
Correct Options:References:
* HCIA-Datacom Study Guide, Chapter: OSPF Route Filtering
* Huawei ACL Configuration for Route Policies
NEW QUESTION # 53
In BGP, Keepalive messages are used to maintain BGP peer relationships. When a BGP router receives a Keepalive message from a peer, the BGP router sets the state of the peer to Established and periodically sends Keepalive messages to maintain the connection. By default, the device sends Keepalive messages every seconds.
Answer:
Explanation:
60
Explanation:
Keepalive messages are used to maintain the Established state of a BGP peer relationship. The Keepalive timer determines the frequency of these messages and defaults to 60 seconds, as per the BGP specification.
NEW QUESTION # 54
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