1. Exam objectives
Qualified personnel who pass this test can plan and design network systems, install and debug software and hardware of network equipment according to the requirements of application departments, operate, maintain and manage network systems, and manage network resources efficiently, reliably and safely , as a network professional to provide technical support and guidance for system development, with the actual work ability and business level of an engineer, and able to guide network administrators to engage in the construction and management of network systems.
2. Examination Requirements
(1) Familiar with the basic knowledge of computer systems;
(2) Familiar with the basic knowledge of network operating system;
(3) Understand the design and development methods of computer application systems;
(4) Familiar with the basic knowledge of data communication;
(5) Familiar with the basic knowledge of system security and data security;
(6) Master the basic technology and main security protocols of network security;
(7) Master the basic principles of computer network architecture and network protocols;
(8) Master the standardization knowledge related to computer network;
(9) Master the networking technology of LAN, understand the basic technology of MAN and WAN;
(10) Master computer network interconnection technology;
(11) Master the networking method and network application technology of TCP/IP protocol network;
(12) Understand access network and access technology;
(13) Master the basic principles and operation methods of network management;
(14) Familiar with network system performance testing and optimization technology, as well as reliability design technology;
(15) Understand the basic principles and technologies of network applications;
(16) Understand new network technologies and their development trends;
(17) Understand the laws and regulations on intellectual property rights and the Internet;
(18) Correctly read and understand English materials in this field.
3. Exam scope
Exam subject 1, computer and network knowledge
1. Computer system knowledge
1.1 Hardware knowledge
1.1.1 Computer Composition
·Computer components
· Command system
·Processor performance
1.1.2 Memory
·Storage media
Main memory (type, capacity and performance)
Main memory configuration (interleaved access, multi-level main memory)
Auxiliary storage (capacity, performance)
· Storage system (virtual memory, cache)
1.1.3 Input and output structure and equipment
Interrupt, DMA, channel, SCSI
·I/O connector
· Input and output device types and characteristics
1.2 Operating system knowledge
1.2.1 Basic concepts
· Function and classification of operating system
·Multiprogramming
· Kernel and interrupt control
· Processes and threads
1.2.2 Processor management, storage management, device management, file management
·Process state and transition
· Process scheduling algorithm
· deadlock
·Storage management scheme
·File management
· Job scheduling algorithm
1.3 System Management
1.3.1 System Configuration Technology
·System architecture mode (2-tier, 3-tier and multi-tier C/S and B/S systems)
· High availability configuration method
·RAID technology
1.3.2 System Performance
·Performance design
· Performance index, performance evaluation
1.3.3 System reliability
· Reliability measure
·Reliability design
· Reliability Index and Reliability Assessment, RAS
2. Basic knowledge of system development and operation
2.1 Basic knowledge of system development
2.1.1 Requirements analysis and design
·Requirements analysis and management
· Structural analysis and design
·Object-oriented analysis and design
·Module design, I/O design, man-machine interface design
2.1.2 Test review method
·Test Methods
· Evaluation method
· Test design and management methods (fault injection, system testing)
2.1.3 Basic knowledge of project management
·Develop a project plan
· Quality control planning, management and evaluation
·Process management (PERT chart, Gantt chart, work breakdown structure, schedule control, critical path)
·Configuration management
·Personnel planning and management
Document management (document specification, change management)
· Cost management and risk management
2.2 System maintenance
·The type of maintenance
·Maintenance process management
·Hardware maintenance, software maintenance
3. Network technology
3.1 Network Architecture
3.1.1 Network topology
3.1.2 Network Classification
·LAN, MAN, WAN
·Access network, backbone network
3.1.3 ISO OSI/RM
3.2TCP/IP protocol
·Application layer protocol
· Transport layer protocol (TCP, UDP)
·Network layer protocol IP
· Data link layer protocol
3.3 Basics of data communication
3.3.1 Channel characteristics
3.3.2 Modulation and coding
·ASK、FSK、PSK、QPSK
· Sampling theorem, PCM
·coding
3.3.3 Transmission technology
· Communication mode (simplex/half duplex/full duplex, serial/parallel)
·Error control
· Synchronous control
· Multiplexing
3.3.4 Transmission medium
·Wired media
·Wireless medium
3.3.5 Line connection equipment (modem, DSU, DCU)
3.3.6 Physical layer
3.4 LAN
·IEEE architecture
·Ethernet
·Internet connection equipment
·High-speed LAN technology
·VLAN
・Wireless LAN, CSMA/CA
3.5 Network interconnection
·Internet device
·Exchange technology
· Access technology
3.6 Internet
·Internet concept
·Internet service
·E-commerce
·E-government
3.7 Network Operating System
· Functions, classifications and characteristics of network operating systems
· Network device drivers (ODI, NDIS)
·Windows2003
·ISA 2004
·RedHat Linux
3.8 Network Management
· Functional Domains of Network Management
·Network Management Protocol
·Network management commands
·Network management tool
·Network management platform
·Distributed network management
4. Network security
4.1 Security Technology and Protocol
4.1.1 Confidentiality
·Private key encryption system
·Public key encryption system
4.1.2 Security mechanism
·Certification
·digital signature
·Integrity
·Access control
4.1.3 Security protocol
4.1.4 Virus prevention and intrusion detection
4.2 Access Control Technology
5. Standardized knowledge
5.1 Standardization of information system infrastructure
5.1.1 Standards
·International Standards (ISO, IEC) and American Standards (ANSI)
· Standard (GB)
·Industry standards and enterprise standards
5.1.2 Safety Standards
·Information system security measures
·CC standard
·BS7799 standard
5.2 Standardization organizations
·International Organization for Standardization
· American Standards Organization
·European Organization for Standardization
· China Standardization Committee
6. Basic knowledge of informatization
Global informatization trends, informatization strategies, enterprise informatization strategies and strategies
·Internet-related laws and regulations knowledge
·Personal Information Protection Rules
· Basic knowledge of distance education, e-commerce, e-government, etc.
·Basic knowledge of enterprise information resource management
7. Computer English
· Have the English reading level required by engineers
· Master the basic English vocabulary in this field
Exam subject 2: Network system design and management
1. Network system analysis and design
1.1 Requirements Analysis of Network System
1.1.1 Application Requirements Analysis
·Research on application requirements
·Analysis of network applications
1.1.2 Analysis of Existing Network System
· Existing network system structure research
·Analysis of existing network architecture
1.1.3 Demand Analysis
·Functional Requirements
·Communication needs
·Performance requirements
· Reliability requirements
·Safety requirements
·Maintenance and operation requirements
·Management requirements (management strategy)
1.2 Design of network system
1.2.1 Technology and product research and evaluation
·collect information
·Comparative study of adopted technologies and products
·Comparison points of technology and equipment adopted
1.2.2 Design of network system
· Determine the agreement
· Determining the topology
· Determining the connection (communication performance of the link)
・Determine the node (the processing power of the node)
· Determining the performance of the network
· Determining reliability measures
· Determining security measures
·Structured cabling system
·Selection of network equipment, formulation of selection criteria
·Design of communication subnet
· Resource subnet design
1.2.3 New network business operation plan
1.2.4 Design review
1.3 Construction and testing of network system
1.3.1 Installation work
1.3.2 Testing and Evaluation
1.3.3 Work plan for transition to new network
2. Network system operation, maintenance management, evaluation
2.1 Operation and maintenance of network system
2.1.1 User measures
·User management, user training, user negotiation
2.1.2 Develop strategies and plans for maintenance and upgrades
· Determine the strategy
·Equipment preparation
· Review time
·Upgrade time
2.1.3 Implementation of maintenance and upgrades
·External Contract Key Points
·Internal implementation points
2.1.4 Backup and data recovery
· Data storage and disposal
·Backup
·Data Recovery
2.1.5 Configuration management of network system
·Equipment management
·Software management
·Network Configuration Diagram
2.2 Network system management
2.2.1 Network system monitoring
· Network management protocols (SNMP, MIB-2, RMON)
· Utilize tools to monitor network performance
· Utilize tools to monitor network faults
Utilize tools to monitor network security (Intrusion Detection System)
· Checkpoints for performance monitoring
· Checkpoints for security monitoring
2.2.2 Fault recovery analysis
·Fault analysis points (LAN monitoring program)
·Troubleshooting points
·Fault report writing points
2.2.3 System performance analysis
·Key points of system performance
2.2.4 Countermeasures against safety hazards
· Hazard safety situation analysis
· Key points of intrusion detection
· The main points of dealing with computer viruses
2.3 Evaluation of network system
2.3.1 System Evaluation
· System capacity limitation
· Potential problem analysis
·Key points of system evaluation
2.3.2 Suggestions for improving the system
·System life cycle
·System economic benefits
· System scalability
3. Network System Realization Technology
3.1 Network protocol
·Commercial network protocols (SNA/APPN, IPX/SPX, AppleTalk, TCP/IP)
·Business protocol (XML, CORBA, COM/DCOM, EJB)
· Web services (WSDL, SOAP, UDDI)
3.2 Reliability design
·Hardware high reliability technology
·Software high reliability technology
·System maintenance high reliability technology
· Fault tolerance technology
· Communication quality
·RAID
3.3 Network facilities
3.3.1 xDSL modem
3.3.2 FRAD (frame assembly/disassembly), CLAD (cell assembly/disassembly)
·interface
·Function
3.3.3 Configuration of switches and routers
· Command line interface configuration
·Web access to switches and routers
·VLAN configuration
·VOIP configuration
· Routing protocol configuration
·Wide Area Networking
·DTP、STP、RSTP
3.3.4 Remote Access Server
· Function and mechanism
3.3.5 Multilayer Switch Functions and Mechanisms
3.3.6 IP router function and control
3.4 Network applications and services
3.4.1IP address
·IPv4、IPv6
· Dynamic allocation and static allocation
·The principle and configuration of DHCP server (Windows, Linux)
3.4.2 Network system management
·Network management commands
·Linux system
·Windows system
·Windows Active Directory
·Windows Terminal Services and Remote Management
3.4.3DNS
·URL
·DNS
·DNS server configuration (Windows, Linux)
3.4.4 Email server configuration (Windows, Linux)
3.4.5WWW
·Virtual host
·WWW server configuration (Windows, Linux)
·Security configuration of WWW server
3.4.6 Proxy server configuration (Windows, Linux)
3.4.7FTP server
· FTP server access
·FTP server configuration (Windows, Linux)
3.4.8 Network access and service
·HFC, ADSL, FTTx+LAN, WLAN, mobile communication
·service provider
·Internet broadcasting, e-commerce, e-government
·Hosting service provider, data center
3.5 Network Security
3.5.1 Access Control and Firewall
·ACL command
·Filter rules
·Firewall configuration
3.5.2 Digital certificate
3.5.3 VPN configuration
3.5.4 PGP
3.5.5 Virus Protection
4. new network technology
4.1 Optical fiber network
· Passive Optical Network PON (APON, EPON)
4.2 Wireless network
·Mobile phone system (WCDMA, CMDA2000, TD-SCDMA)
·Microwave access (MMDS LMDS)
· Satellite access
·Bluetooth access
4.3 Backbone network
·IP over
SONET/SDH
·IP over Optical
·IP over DWDM
4.4 Communication Services
· 24/7 IP connection service (leased line IP)
·IPv6
4.5 Network Management
·TMN-based network management
·CORBA-based network management
