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| Section | Weight | Objectives |
|---|---|---|
| IP Technology Basics | 25% | - NAT (Network Address Translation) - IPv4 addressing and subnetting - IPv6 basics and address types - Static routing and default routing - OSPF fundamentals (single-area) - DHCP principles and configuration - ICMP protocol - ACL (Access Control List) |
| Ethernet Technology Basics | 20% | - Link aggregation (LACP) - STP / RSTP / MSTP spanning tree protocols - VLAN principles and configuration - VLAN intercommunication (sub-interface, VLANIF) - MAC address table and forwarding - Ethernet overview and frame structure |
| Data Communication Network Basics | 10% | - TCP/UDP principles - Basic principles and operations of VRP (Versatile Routing Platform) - OSI and TCP/IP protocol models and functions of each layer - ARP principles - Data forwarding process - Basic concepts and life cycle of campus network - Basic network concepts, IP network architecture, and standardization organizations |
| Network O&M and Troubleshooting | 10% | - Network documentation and baselining - Troubleshooting methodology and process - Common network fault diagnosis - Network maintenance tools (ping, tracert, display commands) |
| Typical Campus Networking Solution | 5% | - Network reliability and redundancy design - Campus network architecture design - Hierarchical network model (core, aggregation, access) - Typical campus network deployment scenarios |
| Network Security and Services | 15% | - Firewall basics and security zones - Network security overview - AAA (Authentication, Authorization, Accounting) - IPsec VPN fundamentals - FTP / TFTP and file management - Network management protocols (SNMP, NTP) |
| WLAN Technology Basics | 10% | - WLAN networking architecture (AC + AP) - WLAN RF fundamentals (channels, bands) - WLAN overview and 802.11 standards - WLAN basic configuration and troubleshooting |
| Data Center Network Basics | 5% | - Cloud computing and virtualization basics - Data center fabric concepts (VXLAN, SDN) - Data center network architecture overview |
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NEW QUESTION # 52
Huawei launched the leader AP networking solution for small and micro enterprises. APs can operate independently or manage a small number of APs. Which of the following statements are true about the leader AP networking architecture? (Choose all that apply.)
Answer: A,B
Explanation:
Leader AP networking supports basic WLAN service functions such as user access and roaming within a small-scale network, enabling seamless mobility for STAs. In this architecture, the leader AP can also provide DHCP service to assign IP addresses to wireless clients, simplifying deployment in small and micro enterprise scenarios.
The leader AP does not use CAPWAP to manage Fit APs, as this solution is designed to be lightweight and typically does not rely on a WAC-based CAPWAP control architecture.
Additionally, the leader AP does not operate in Fit mode; it functions in a hybrid/leader role combining control and service capabilities.
NEW QUESTION # 53
Huawei network devices support multiple types of storage devices. After the administrator enters the save command in the user view of a switch, the current configuration file is saved to the SDRAM. After the switch restarts, the configuration file still takes effect.
Answer: B
Explanation:
On Huawei switches, the active configuration is stored in SDRAM during operation, but SDRAM is volatile memory. The save command writes the configuration to non-volatile storage (such as NVRAM/flash), not to SDRAM. This is what allows the configuration to persist after a restart.
NEW QUESTION # 54
Which of the following IP addresses cannot be configured for a host by default?
Answer: D
Explanation:
The address 224.0.0.1/24 cannot be configured as a normal host IP address by default because it belongs to the Class D multicast address range. IPv4 multicast addresses range from 224.0.0.0 to 239.255.255.255 and are reserved for multicast group communication rather than assignment to host interfaces as ordinary unicast addresses. Therefore, option D is correct.
NEW QUESTION # 55
On the OSPF network shown in the figure, all IP addresses can communicate with each other.
Then the following configurations are added on R1:
[R1] acl 3000
[R1-acl4-advance-3000] rule deny ip source 10.0.1.1 0.0.0.0
[R1-acl4-advance-3000] rule deny ip source 10.1.1.1 0.0.0.0
[R1-acl4-advance-3000] rule permit ip source 10.3.1.1 0.0.0.0
[R1-acl4-advance-3000] rule permit ip
[R1-acl4-advance-3000] quit
[R1] traffic classifier test
[R1-classifier-test] if-match acl 3000
[R1-classifier-test] quit
[R1] traffic behavior test
[R1-behavior-test] permit
[R1-behavior-test] quit
[R1] traffic policy test
[R1-trafficpolicy-test] classifier test behavior test
[R1-trafficpolicy-test] quit
[R1] interface GE 0/0/1
[R1-GE0/0/1] traffic-policy test outbound
[R1-GE0/0/1] quit
Which IP addresses of S1 can successfully ping 10.0.23.3? (Select all that apply)
Answer: A,B,C,D
Explanation:
All four addresses can successfully ping 10.0.23.3, so the correct answer is A, B, C, D.
The key point is that the traffic policy is applied outbound on GE0/0/1 of R1, which is the interface facing S1. When S1 pings 10.0.23.3, the echo request travels from S1 to R1 and then to S2. The return echo reply from 10.0.23.3 comes back to R1 and is then sent outbound on GE0/0/1 toward S1. Therefore, the traffic policy examines the reply packets, not the original ping request packets.
In those reply packets, the source IP address is 10.0.23.3, and the destination is one of S1's loopback addresses. The ACL rules denying 10.0.1.1 and 10.1.1.1 as source addresses do not match these reply packets, because those addresses appear as destination addresses, not source addresses. In addition, the ACL contains rule permit ip, which permits all remaining IP traffic. As a result, replies to all four S1 addresses are forwarded successfully, so every listed address can ping 10.0.23.3.
NEW QUESTION # 56
R1 has the following configurations:
[R1] radius-server template 1
[R1-radius-1] radius-server authentication 10.1.6.6 1812
[R1-radius-1] radius-server accounting 10.1.6.6 1813
[R1-radius-1] radius-server shared-key cipher YsHsjx_202206139
[R1-radius-1] quit
[R1] aaa
[R1-aaa] authentication-scheme auth1
[R1-aaa-authen-auth1] authentication-mode radius
[R1-aaa-authen-auth1] quit
[R1-aaa] accounting-scheme acc1
[R1-aaa-accounting-acc1] accounting-mode radius
[R1-aaa-accounting-acc1] quit
[R1-aaa] domain huawei.com
[R1-aaa-domain-huawei.com] authentication-scheme auth1
[R1-aaa-domain-huawei.com] accounting-scheme acc1
[R1-aaa-domain-huawei.com] radius-server 1
[R1-aaa-domain-huawei.com] quit
[R1-aaa] quit
Which of the following statements is true?
Answer: D
Explanation:
Option D is correct. The AAA configuration binds the domain huawei.com to the authentication scheme auth1 , which uses RADIUS as the authentication mode, and to the accounting scheme acc1 , which also uses RADIUS. Therefore, when a user logs in with a user name in the format hcia-datacom@huawei.com , the device parses the suffix @huawei.com, matches the domain, and applies the configured RADIUS authentication method.
Option A is false because RADIUS does support accounting , and UDP port 1813 is commonly used for that purpose. Option B is false because a separate authorization server IP is not strictly required in this context; RADIUS can carry authorization attributes together with authentication/accounting processing depending on server behavior and device configuration. Option C is false because standard RADIUS communication uses UDP , not TCP, with authentication typically on port 1812 and accounting on 1813 . HCIA-Datacom teaches domain-based AAA processing as a key concept, where the user name suffix determines which authentication, authorization, and accounting policies are applied on the NAS device.
NEW QUESTION # 57
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