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Last Updated: Aug 23, 2026
No. of Questions: 732 Questions & Answers with Testing Engine
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| Section | Weight | Objectives |
|---|---|---|
| Network Security and Access Control | 10% | - Basic security policies - AAA authentication basics - Port security - ACL principles and configuration |
| Data Communication and Network Basics | 8% | - ARP, TCP, UDP principles - OSI and TCP/IP protocol models - Network devices and transmission media - Basic concepts of data communication and networks - VRP operating system basics |
| Ethernet Switching Networks | 23% | - Link aggregation and stacking - VLAN principles and configuration - Layer 2 switching operation - STP/RSTP protocols - Trunk, Hybrid, Access interfaces |
| IPv6 Basics | 5% | - IPv6 address structure and types - IPv6 header format - IPv6 transition technologies - ICMPv6, Neighbor Discovery |
| WAN Basics | 3% | - MPLS overview - Common WAN technologies - HDLC and PPP protocols |
| Network Services and Applications | 7% | - Telnet, SSH remote management - DHCP principle and configuration - DNS, FTP, HTTP services - NAT technology |
| Network Management and Operation | 4% | - Device management and maintenance - SNMP and Syslog - Basic network troubleshooting |
| SDN and Network Automation Basics | 3% | - SDN architecture and concepts - Network automation overview - Huawei automation tools |
| WLAN Fundamentals | 10% | - WLAN security mechanisms - WLAN architecture and standards - Basic WLAN configuration - WLAN basic concepts |
| IP Network Interconnection and Interworking | 27% | - IP routing principles - Static routing and RIP - OSPF basics - Packet forwarding process - IPv4 addressing and subnetting |
1. Which of the following descriptions about firewalls is wrong? ()
A) Firewall can realize access control between different networks
B) The firewall cannot network address translation
C) Firewall can isolate networks of different security levels
D) Firewall can realize user identity authentication
2. What are the functions of OSPF protocol DR and BDR?
A) Reduce the types of OSPF protocol packets
B) Reduce the number of exchanges of link state information
C) Reduce the number of adjacencies
D) Reduce the time to establish adjacency
3. At what percentage does the DHCP client send the lease renewal message for the first time? ()
A) 0.5
B) 1
C) 0.875
D) 0.25
4. Static NAT can only achieve one-to-one mapping between private addresses and public addresses ()
A) False
B) True
5. If the value of the ypeLength field of an Ethernet data frame is 0x0800, the length of the upper layer message header carried by this data frame is in the range of 20-60B. ()
A) False
B) True
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: B,C | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: B |
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