HCNE is mainly aimed at network designers and implementers of small and medium-sized enterprises. After passing the certification, you will have a comprehensive understanding of the data communication network, which proves that you have mastered the general network technology for small and medium-sized enterprises, and have the ability to design the network of small and medium-sized enterprises and use Huawei network equipment to implement your design.

Huawei Certified Network Engineer (HCNE) is suitable for small and medium-sized enterprises. Network design, implementation and maintenance personnel will soon switch to IT industry. Site photos of the first HCNE certified network engineer training.

People interested in network technology need to be certified. There is no training course "Building SME Network Version 6.0". Examination item GB0- 190 Huawei Certified Network Engineer can obtain the "Huawei Certified Network Engineer" certificate issued by Huawei. The certificate is valid for 3 years. Certificate Value You will be proved to have a comprehensive understanding of data communication network, and you will be proved to have mastered the general network technology for small and medium-sized enterprises, and have the ability to design small and medium-sized enterprise networks and use Huawei network equipment to implement your design. You can obtain constantly updated technical and product information identification and certificates from Huawei, and prove to your colleagues or customers that you are a certified expert of Huawei. You will be invited to attend meetings, technical training and other market activities organized by Huawei.

First, HCNE certification training

HCNE authentication mainly focuses on the planning, design, configuration and maintenance of small and medium-sized networks, including network foundation, common interfaces and cables, Ethernet switches, router principles, TCP/IP protocols, WAN protocols, routing protocols, DCC/ISDN, access control lists, backup centers and simple network troubleshooting. Passing the HCNE certification will prove that you have a comprehensive and in-depth understanding of data communication network, master the general network technology for small and medium-sized enterprises, have the ability to design small and medium-sized enterprise networks, and use Huawei 3Com network equipment to implement your design.

Second, HCNE certification examination

At present, the HCNE test item code is GB0- 190, and GB0- 190 corresponds to the HCNE training textbook "Building SME Network" V6.0 and above. Examination duration: 60 minutes, submission time 15 minutes, question quantity: 52 single/multiple choice questions, fill in the blanks. Passing score: 600 points

Iii. HCNE test requirements

The HCNE test has no special requirements for candidates, so they can take the test directly.

Fourth, HCNE exam content

Including but not limited to all the contents covered in the first and second volumes of HCNE training textbook "Building SME Network". Most of the questions come from textbooks, but individual questions may exceed the course content.

Exam-taking method of verb (verb's abbreviation) HCNE

You can choose the nearest Prometric Authorized Examination Center APTC to register for the GB0- 183 exam. Please visit Prometric official website or consult Prometric authorized test center for the nearest test center.

6. Distribution ratio of HCNE test questions

No, of course not. Course Chapter Name Question Proportion 1 HL-00 1+0 Network Foundation 6 2 HL-002 TCP/ IP Protocol and Subnet Planning 6 3 HL-003 Common Network Interfaces and Cables 2 4 HL-004 Ethernet Switch Foundation and Configuration 4 5 HL-005 Router Foundation and Configuration 3 6 HL-007 WAN Protocol Principle and Configuration 6 7 HL-008 Routing Protocol Principle.

Seven, HCNE training skills

Network foundation:

Network overview, LAN and WAN, network topology, network standardization organization. This part requires students to have a basic concept of network; Understand the main forms and development process of local area network and wide area network; Understand several basic network topologies; Know several major network standardization organizations at present, and what standards these organizations have formulated respectively. OSI seven-layer reference model: understand the functions of each layer in the seven-layer model; Protocols corresponding to each layer and their functions; Some important concepts such as MAC address and IP address (network layer address) need special attention; You should also understand some technologies that may be used in OSI layer, such as flow control and acknowledgement mechanism. Site photos of the first HCNE certified network engineer training.

TCP/IP protocol, IPv6 and subnet planning;

The relationship between TCP/IP and OSI: Understand the corresponding relationship between TCP/IP and OSI layers. Functions of each layer of TCP/IP: Understand the functions and common protocols of network layer, transport layer and application layer in TCP/IP. In the transport layer, we need to focus on the message formats of TCP and UDP and the process of establishing TCP connection; In the network layer, we should also know the message format of IP and several commonly used protocols, such as ARP, RARP, ICMP, etc. Basic knowledge of IPv6: Understand the address structure, main features and development history of IPv6. How to make subnet planning: understand the difference between IP address and MAC address; Understand the classification of IP addresses; Master the calculation method of IP subnet segmentation and general subnet planning method; Basic understanding of the concepts of variable length subnet mask (VLSM) and classless inter-domain routing (CIDR).

Common network interfaces and cables:

LAN interface and cable: Understand the main Ethernet interface types and common cables; Master the line sequence and use of five types of twisted pair (understand the application occasions of direct network cable and cross network cable). WAN interface and cable: mainly understand the main characteristics of V.24 and V.35 specifications. Optical fiber and optical cable: mainly understand the types and characteristics of single-mode and multimode optical fiber interfaces. Concept and application of logical interface: Understand the common types and applications of logical interfaces.

Ethernet switch foundation and configuration;

Basic knowledge of Ethernet: Understand the basic concept of Ethernet, the frame structure of 802.3, the cable standard and connection mode of 802.3. Switching technology: understand the concept of "collision domain" and the advantages of lan switches over hubs; Master the forwarding logic and interface type of lan switches; Understand the general modern LAN model. Quidditch switch configuration: this part focuses on VLAN and STP; Understand the principle and configuration of Quidway switch.

Router foundation and configuration:

Router basics: Learn some basic concepts about routers: the role of routers, simple working principles and processes, and related concepts of routing tables. How to configure the router: master several configuration methods of the router: console port, remote dialing, telnet, ftp, etc. , and pay attention to the console port. Command line overview: Have a certain understanding of the command line interface adopted by Huawei 3Com router; Understand common views. Handling of Forgotten Password: Master the handling method and process of forgetting password of Huawei 3Com router. Router upgrade method: master the upgrade method of Huawei 3Com router: upgrade through console port, upgrade through FTP and upgrade through TFTP. Basic operation commands: familiar with some basic operation commands such as display, ping, tracert and help.

The principle and configuration of WAN protocol;

Overview of WAN: Understand some basic concepts and common connection methods of WAN protocols. HDLC principle and configuration: Understand the frame structure and simple principle of HDLC; Master the basic configuration commands of HDLC. Principle and configuration of PPP protocol: understand the basic concept and protocol composition of PPP: LCP, NCPs, PAP, CHAP；; Understand the PPP negotiation process when establishing PPP connection; The verification process and comparison of PAP/CHAP; Configuration method of PAP/CHAP authentication for Huawei 3Com router: principle and configuration of MP. Principle and configuration of Frame Relay Protocol: Understand the difference between Frame Relay and X.25; Understand the main functions of Frame Relay; Understand the method of frame relay monitoring and controlling data traffic on virtual circuit and the relationship between three bandwidth control parameters Bc, Be and CIR; Understand the allocation and address mapping process of frame relay DLCI; Understand how Frame Relay automatically generates the mapping between peer-to-peer protocol address and DLCI by using reverse ARP protocol; Understand three network topologies of Frame Relay; Understand the conflict between split horizon and frame relay, and how to use subinterface to solve the problem; Master the relevant configuration of Frame Relay.

Principle and configuration of routing protocol;

Basic concepts of routing: understand the basic concepts of routing; Understand the contents of routing table entries; Understand the classification of routing. Static routing and configuration: understand the function and configuration of static routing; Understand the function and configuration of the default route. Dynamic routing protocol: for dynamic routing protocol, we must first understand the advantages of dynamic routing protocol compared with static routing; Classification methods of dynamic routing protocols: according to the range of routing protocols and according to routing algorithms; Master some important concepts in dynamic routing protocols, such as routing rights and routing priorities. Master the basic principle of distance vector routing protocol, discover and deliver routes; Understand the causes and solutions of loop generated by distance vector routing protocol; Understand the basic principle of link-state routing protocol. RIP protocol and configuration: Understand some basic concepts of RIP protocol; Understand the routing table initialization and update process of RIP protocol; Master the configuration and debugging method of RIP routing protocol.

Access control list and address translation:

Overview of access control list: understand the core technology of implementing access control list: IP packet filtering; Understand the application of access control list: it can be used in firewall, QoS, DCC, IPSEC, address translation and other different occasions; Understand the basic principle of access control list: use five elements of IP package to define rules, identify access control list and use wildcard mask. Basic and advanced access control lists: understand the difference between basic and advanced access control lists; Master the configuration methods of two access control lists; Understand the combination method when there are multiple rules in an access control list, and the treatment when two rules conflict; Learn how to make access control lists effective. Configuration and configuration example of firewall: master the configuration steps and methods of applying access control list to firewall; Understand the configuration of some extended applications: such as time period, log, etc. Principle and configuration of NAT: Understand the background and basic principle of address translation; Master two address conversion methods: EASY IP and address pool; Understand the principle and application of internal server; Master the configuration method of address translation.

Principle and configuration of DCC and ISDN;

Overview of DCC: Learn some basic concepts and related terms about DCC. Principle, configuration and maintenance of standard DCC: understand the relationship between logical dial port and physical interface of standard DCC; Understand the function of dialer list and how to use dialer list to trigger dialing; Master the different configurations of calling and receiving. Principle, configuration and maintenance of flexible DCC: understand the difference between flexible DCC and standard DCC and the main application occasions of flexible DCC; Understand the relationship between logical dial port and physical interface of flexible DCC; Master the configuration method of flexible DCC; Master the configuration of some commonly used DCC parameters; Learn how to configure MP based on DCC. ISDN technical principle and configuration: Understand the basic concepts of ISDN: BRI/PRI interface, ISDN protocol model, ISDN user-network interface specification, etc. Master the basic configuration method of ISDN.

Principle and configuration of backup center;

Overview of backup center: Understand the main functions of backup center: which interfaces can be used as primary interfaces and which interfaces can be used as backup interfaces. Configuration and configuration example of backup center: master the basic configuration of backup center, including some common parameters such as backup interface priority and switching conditions of active and standby interfaces.

Configuration debugging:

This part of the knowledge runs through the computer experiments in the previous chapters, mainly examining students' ability to analyze positioning problems by using router query and debugging commands in actual operation.