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| Section | Weight | Objectives |
|---|---|---|
| Network Security and Services | 15% | - ACL, NAT principles and configuration - DHCP, DNS, FTP, Telnet services - AAA and basic security technologies |
| Network O&M and Troubleshooting | 10% | - Fault diagnosis and troubleshooting methods - Network monitoring and management tools |
| Data Center Network Basics | 5% | - Basic data center networking technologies - Data center architecture overview |
| Ethernet Technology Basics | 20% | - Ethernet standards and switch principles - VLAN, STP, RSTP principles and configuration - Link aggregation and stacking technologies |
| WLAN Technology Basics | 10% | - WLAN architecture and working principles - 802.11 standards and WLAN components - Basic WLAN configuration |
| Typical Campus Networking Solution | 5% | - End-to-end networking scenarios - Campus network design and integration |
| IP Technology Basics | 25% | - IP routing basics and forwarding - IPv6 basics - Static routing, OSPF fundamentals - IPv4 addressing, subnetting |
| Data Communication Network Basics | 10% | - Basic network concepts and architecture - Campus network basics - ARP, TCP/UDP principles - Data forwarding process - OSI and TCP/IP protocol models - VRP system basics and operations |
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NEW QUESTION # 11
On the campus network shown in the figure below, the core switch Core1 functions as a Layer 3 gateway and as a DHCP server to dynamically assign IP addresses to AP1, PC1, PC2, and PC3.
The network below Core1 is a Layer 2 network. WAC1 and R1 are connected to Core1 at Layer
3. AP1 goes online through VLAN 100. The wireless service VLAN is VLAN 101, and the wired service VLANs for PC2 and PC3 are VLAN 102 and VLAN 103, respectively. Additionally, the direct forwarding mode is used for wireless traffic forwarding. If no additional VLANs are allowed on device interfaces, which of the following VLANs must be allowed on GE1/0/1 of ACC1? (Select all that apply)
Answer: A,C,D
Explanation:
According to the original topology and service-planning question, the required VLANs are VLAN
100, VLAN 101, and VLAN 102, so options A, B, and C are correct. In HCIA-Datacom campus design questions, VLAN planning is usually based on service separation, such as user services, voice services, wireless services, management services, or specific departmental segmentation.
Each service type is assigned an appropriate VLAN so that broadcast domains are separated and policies can be applied more effectively.
NEW QUESTION # 12
In the WLAN networking, multiple APs can broadcast the same SSID and belong to the same BSSID, allowing STAs to stay connected to the same wireless network wherever they move.
Answer: A
Explanation:
In WLAN networks, multiple APs can broadcast the same SSID to provide seamless roaming for STAs, but they do not share the same BSSID. Each AP has a unique BSSID (typically the MAC address of its radio interface). Roaming works based on SSID consistency while maintaining different BSSIDs per AP, so the statement is incorrect.
NEW QUESTION # 13
Which of the following is the default value of the Router Dead Interval field in OSPF Hello packets on a broadcast network?
Answer: D
Explanation:
The default Router Dead Interval in OSPF is 40 seconds for broadcast and point-to-point networks. This interval defines the time period a router waits to receive hello packets before declaring a neighbor as down.
NEW QUESTION # 14
Compared with Wi-Fi 6, Wi-Fi 7 uses which of the following technologies to improve performance?
Answer: A,B,C,D
Explanation:
Huawei ' s Wi-Fi 7 documentation describes several technologies introduced or enhanced relative to Wi-Fi 6 to increase throughput, spectrum efficiency, and reduce latency. 4096-QAM raises modulation density from the 1024-QAM maximum associated with Wi-Fi 6, allowing more bits to be carried per modulation symbol under suitable radio conditions. Multi-RU allows one user to be assigned multiple resource units, improving spectrum scheduling flexibility compared with the Wi-Fi 6 restriction of a user operating within its assigned RU. Multi-link operation allows a station to establish and use links across multiple bands or radios as a coordinated connection. Wi-Fi 7 also enhances MU-MIMO capabilities, increasing the ability to serve multiple users and exploit additional spatial resources. Huawei product documentation commonly lists 4096- QAM, multi-RU, MLO/multi-link, and enhanced MU-MIMO among Wi-Fi 7 improvements built on Wi-Fi 6.
Therefore, each technology listed in the question contributes to Wi-Fi 7 performance improvement, and the verified selection is A, B, C, and D.
NEW QUESTION # 15
Unlike distance-vector routing protocols, link-state routing protocols advertise link states instead of route information. Typical link-state routing protocols include RIP, OSPF, and IS-IS.
Answer: A
Explanation:
The statement is incorrect because RIP is a distance-vector routing protocol, whereas OSPF and IS-IS are link- state routing protocols.
According to the HCIA-Datacom routing protocol material, distance-vector protocols exchange routing information with neighboring routers. RIP uses hop count as its routing metric to determine the distance to destination networks.
Link-state protocols operate differently. Routers establish neighbor relationships and exchange Link State Advertisements (LSAs), which describe their interfaces, connected networks, and topology information.
Each router uses the collected link-state information to build a link-state database and calculate the best paths using a shortest-path algorithm.
OSPF and IS-IS use this link-state approach, but RIP does not.
Therefore, although the first part of the statement correctly describes link-state routing behavior, including RIP among link-state protocols makes the complete statement FALSE.
NEW QUESTION # 16
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