I. Examination
1. Exam requirements:
(1) Familiar with the basics of computer systems;
(2) Familiar with the basics of network operating systems;
(3) Understand the design and development method of computer application system;
(4) Familiar with the basics of data communication;
(5) Familiar with the basics of system security and data security;
(6) Master the basic technology and the main security protocols and safety systems of network security;
(7) Master the basic principles of computer network architecture and network protocol;
(8) Master the standardized knowledge related to computer networks;
(9) Master the local area network network technology, understand the basic technology of urban area network and wide area network;
(10) Master computer network interconnection technology;
(11) Master the networking method and network application service 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 the performance testing and optimization technology of network systems, as well as reliability design technology;
(15) Understand the basic principles and techniques of network applications;
(16) Understand the new technology and its development trend;
(17) Learn about the laws and regulations of intellectual property and the Internet;
(18) Read and understand English information in the art.
2. Through the qualified personnel of this level, the network system's planning, design, and software and hardware installation and commissioning work of network system can be used according to the requirements of the application department, and the operation, maintenance and management of network systems can be used to efficiently, reliable and safely manage the network. Resources, as a network professional development
Technical support and guidance, the actual work ability and business level of engineers, can guide assistant engineers to engage in the construction and management of network systems.
3. The subjects of this level of exam include:
(1) Computer and network knowledge, test time is 150 minutes, written test;
(2) Network system design and management, the test time is 150 minutes, written test.
Second, the scope of examination
Exam subject 1: Computer and network knowledge
Computer system knowledge
1.1 Hardware knowledge
1.1.1 Computer Structure
· Computer composition (operator, controller, memory, I / O)
· Instruction system (instruction, addressing, CISC, RISC)
· Multi-processor (tight coupling system, loose coupling system, array processor, dual system, synchronization)
· Processor performance
1.1.2 memory
· Storage medium (semiconductor memory, magnetic memory, optical memory)
·Storage System
· Main memory and the aid
· Main memory type, main memory capacity and performance
· Main memory configuration (main memory parity, cross access, multi-level main memory, main memory protection system)
·cache
· Calculation of the performance and capacity of the auxiliary equipment
1.1.3 Input Output Structure and Equipment
· I / O interface (interrupt, DMA, channel, SCSI, parallel interface, universal interface bus, RS232, USB, IEEE1394, infrared interface, input and output control system, channel)
· Input output device type and feature
1.1.4 Embedded System Basic Knowledge
1.2 Operating System Knowledge
1.2.1 Basic Concept
· Operating system definition, feature, function and classification (batch, minute, real-time, network, distributed)
· Multiple Programs
· Core and interrupt control
· Process and thread
1.2.2 Processing Machine Management, Storage Management, Device Management, File Management, Job Management
· The status and conversion of the process
· Process scheduling algorithm (minute rotation, priority, preemption)
· Dead lock
· Storage management solution (segmentation and paging, false memory, page placement algorithm)
· Relevant technology for equipment management (spooling, buffering, DMA, bus, plug-and-play technology)
· File management
· Sharing and safety (sharing mode, reliability and security, recovery processing, environmental protection mechanism)
· The status and conversion of homework
· Work scheduling algorithm (first serve first, short homework, high response ratio)
1.3 system configuration method
1.3.1 System Configuration Technology
· System architecture (2 layers, 3 layers and multi-layered C / S and B / S systems)
· System configuration method (duplex, duplex, thermal backup, fault tolerance, tight coupling multi-processor, loosely coupled multi-processor)
· Treatment mode (centralized, distributed, batch, real-time system, web computing, mobile calculation)
1.3.2 System Performance
· Performance design (system adjustment, response characteristics)
· Performance indicators, performance assessment (test benchmark, system monitor)
1.3.3 System Reliability
· Reliability calculation (MTBF, MTTR, availability, failure rate)
· Reliability design (distribution and estimation of failure, soft failure, component reliability and system reliability)
· Reliability index and reliability assessment, RAS (reliability, availability, and maintenance)
2. System development and run basics
2.1 System development basics
2.1.1 Demand Analysis and Design
·demand analysis
· Structured analysis design
· Object-oriented design
· Module design, I / O design, artificial interface design
2.1.2 Development Environment
· Development Tools (Design Tools, Programming Tools, Test Tools, Case)
·Integrated Development Environment
2.1.3 Test Review Method
·testing method
· Review method
· Test design and management method (injection failure, system test)
2.1.4 Project Management Basic Knowledge
· Develop project plan
· Quality plan, management and evaluation
· Process management (PERT chart, Gantt chart, work decomposition structure, progress control, key path)
· Configuration Management
· Personnel planning and management
· Document management (documentation specification, change procedures)
· Development organization and role (development team member, project manager)
· Cost organization and risk management
2.1.5 System auditory
· Audit method, audit tracking
· Incorporate audititability in the system
2.2 System operation and maintenance knowledge
2.2.1 System Run
· The system can run management (computer system, network)
· System cost management
· System operation (job scheduling, data I / O management, operation manual)
· User management (ID registration and management)
· Equipment and facility management (power supply, air conditioning equipment, equipment management, facility safety management)
· System fault management (handling procedures, monitoring, recovery process, precautions)
· Safety management
· Performance management
· System Operation Tools (Automation Operation Tools, Monitoring Tools, Diagnostic Tools)
· System conversion (transfer to running phase, run test, version control)
· System run service standard
2.2.2 System Maintenance
· Maintenance type (perfect maintenance, error correction maintenance, adaptive maintenance, preventive maintenance)
· Maintenance implementation (daily inspection, regular maintenance, preventive maintenance, post-maintenance, remote maintenance)
· Hardware maintenance, software maintenance, maintenance contract
3. Network technology
3.1 Network architecture
·Network Topology
· OSI / RM
· Application layer protocol (FTP, Telnet, SNMP, DHCP, POP, SMTP, HTTP)
· Transportation Protocol (TCP, UDP)
· Network layer protocol IP (IP address, subnet mask) · Data Link Layer Protocol (ARP, RARP, PPP, SLIP)
· Physical address
3.2 Coding and Transmission
3.2.1 Modulation and Coding
· AM, FM, PM, QAM
· PCM, sampling
3.2.2 Transmission Technology
· Communication mode (single work / half duplex / full duplex, serial / parallel, 2-wire / 4 line)
· Error Control (CRC, Haiming Code, parity, bitmade error rate)
· Synchronous control (start stop synchronization, SYN synchronization, symbol synchronization, frame synchronization)
· Multi-purpose reuse (FDM, TDM, WDM)
· Compression and decompression method (JEPG, MPEG, MH, MR, MMR, run length)
3.2.3 Transmission Control
· Competitive system
· Polling / Select System
· Basic procedures, multi-link procedures, transmission control characters, line control
· HDLC
3.2.4 Exchange Technology (Circuit Exchange, Storage Forwarding, Packet Exchange, ATM Exchange, Frame Relay)
3.2.5 Public Networks and Rental Lines
3.3 Network
3.3.1 Network Classification
· Classified by region (LAN, MAN, WAN)
· Classified by service (Internet, enterprise internal network)
· Classified by transfer (telephone, data, video)
· Classified by telecommunications network (station, access, backbone)
3.3.2 LAN
· LAN topology (bus type, star, token bus)
· Access control system (CSMA / CD, token ring, token bus)
· LAN connection, LAN-WAN connection, peer connection, point-to-point connection
· High speed LAN technology (Gigabit Ethernet)
· Wireless LAN
3.3.3 MAN Common Structure
3.3.4 WAN and Remote Transport Service
· Rental line service, line exchange service, packet switching service
· ISDN, VPN, Frame Relay, ATM, IP connection service
· Satellite communication service, mobile communication service, international communication service
3.3.5 Internet
· Internet concept (Internet interconnect equipment, TCP / IP, IP routing, DNS, proxy server)
· Email (protocol, mailing list)
· Web (HTTP, browser, URL, HTML, XML)
· File Transmission (FTP)
· Search Engine (full-text search, directory search, smart search)
· QoS, CGI, VoIP
3.3.6 Access Network and Access Technology
3.3.7 Network nature
· Calculation of line performance (transmission speed, line utilization, line capacity, traffic, traffic design)
· Performance assessment
· The application of queuing
3.4 Network Communication Equipment
3.4.1 Transport medium and communication cable
· Wired / wireless medium (twisted pair, coaxial cable, fiber; wireless wave, light, infrared)
· Distribute a mount (IDF), main matching frame (MDF)
3.4.2 Various types of communication equipment
· Line terminal equipment, multiplexing equipment, switching equipment, transfer equipment
· Line connection equipment (modem, DSU, NCU, TA, CCU, PBX)
3.5 Network connection equipment
· Internet connection equipment (NIC, bridge, spanning tree bridge, source routing bridge, router, repeater, hub, switch)
3.6 Network Software System
3.6.1 Network Operating System
· The function, classification and characteristics of network operating systems
· Network equipment driver (ODI, NDIS)
· Network communication system function call (socket API)
· RPC
· TP Monitor
· Distributed file system
· Network equipment sharing
3.6.2 Network Management
· The functional domain of network management (security management, configuration management, fault management, performance management, billing management)
· Network Management Agreement (CMIS / CMIP, SNMP, RMON, MIB-II) · Network Management Tool (Ping, Traceroute, NetXray, Analyzer, Sniffer)
· Network management platform (OpenView, NetView, Sunnet, Manager)
· Distributed network management
3.6.3 Network Application & Services
· WWW
· FTP file transfer
Telnet
· Information retrieval
· Video on demand
·online meeting
·Distance Education
· E-commerce
·E-government
· CSCW and group
4. Network security
4.1 Safety Calculation
4.1.1 Confidentiality and Integrity
· Private Key and Public Key Encryption Standard (DES, IDES, RSA)
· Certification (digital signature, identity authentication)
• Integrity (SHA, MDS)
· Access control (access permission, password)
4.1.2 Protection of illegal intrusion and viruses
· Firewall
· Intrusion detection
· VPN, VLAN
· Security protocol (IPSec, SSL, ETS, PGP, S-HTTP, TLS)
· Hardware security
· Computer virus protection
4.1.3 availability
· Backup and recovery of files
4.1.4 Security Protection
· Personal information control
·anonymous
| · Unable traceability
4.1.5 LAN Safety
· Network equipment reliability
· Cope with natural disasters
· Environmental safety
·UPS
4.2 Risk Management
4.2.1 Risk Analysis and Evaluation
4.2.2 Cut risk countermeasures
· Risk prevention (risk transfer, venture capital, computer insurance)
· Accidental accident preventions (accidents for accidents, action plan payable for accidents)
4.2.3 Internal Control
· Safety rules and regulations
· Safety strategy and security management
5. Standardization knowledge
5.1 Standard development and acquisition
5.1.1 Standard development and acquisition process
5.1.2 Environment and safety assessment standardization
5.2 Information System Infrastructure Standardization
5.2.1 standard
· International Standard (ISO, IEC) and US Standard (ANSI)
· National Standard (GB)
· Industry standards and enterprise standards
5.2.2 Open System (X / Open, OSF, POSIX)
5.2.3 Data Exchange Standards (Edifact, SETP, XML)
5.2.4 Safety Standard
· Information system security measures
· Computer anti-virus standard
· Computer anti-illegal access standard
· CC standard
· BS7799 standard
5.3 Standardization
· International Standardization Organization (ISO, IEC, IETF, IEEE, IAB, W3C)
· American standardized organization
· European standardization organization
· China National Standardization Committee
6. Informatization Basics
· Information consciousness
· Global information trend, national information strategy, corporate information strategy and strategy
· Enterprise information resources management basics
· Internet related laws, regulations
· Personal Information Protection Rules
7. Computer Professional English
· Master the basic vocabulary of computer technology
· Correctly read and understand English information in computer fields
Exam subject 2: Network system design and management
Network system analysis and design
1.1 Analysis of the demand of network systems
1.1.1 Analysis of Application Demand
· Investigation of application requirements (application system performance, information industry and receiving point, data volume and frequency, data type and data flow)
· Analysis of network applications
1.1.2 Existing network system
· Existing network system structure research (the number and location of the server, the number and location of the client, the number of users, the number of users per day. Each time, the amount of data transmitted each time, the time period of the network congestion , Protocol, communication mode)
· Analysis of existing network architecture
1.1.3 Demand Analysis
· Functional requirements (function to be implemented)
· Communication demand (expected communication mode)
· Performance requirements (desired performance)
· Reliability requirement (desirable reliability)
· Safety requirements (safety standards)
· Maintenance and operational requirements (operation and maintenance cost)
· Management requirements (management strategy)
1.2 Design of Network System
1.2.1 Research and evaluation of technology and products
·collect information
· Comparative study of technology and products adopted
· Comparison of technologies and equipment adopted
1.2.2 Design of Network System
· Determine the agreement
· Determine the topology
· Determine the connection (link communication performance)
· Determine node (node processing ability)
· Determine the performance of the network (performance simulation)
· Determine reliability measures
· Determine security measures (investigation of safety measures, implementation of technical and equipment assessment of safety measures)
· The choice of network equipment, the development of the selection standard (cost, performance, capacity, processing, delay), performance indicators, the necessity of advanced testing, the confirmation of interconnectivity.
1.2.3 New Network Business Operation Plan
1.2.4 Design Review
1.3 Construction and testing of network systems
1.3.1 installation work
· Preparation in advance
· Process supervision
1.3.2 Test and Evaluation
· Connection test
· Safety test
·Performance Testing
1.3.3 Work plan for transitioning to new network
2. Network system operation, maintenance management, evaluation
2.1 Operation and maintenance of network systems
2.1.1 User Measures
· User management, user training, user consultation
2.1.2 Strategy and Plan for Developing Maintenance and Upgrading
· Determine the strategy
· Preparation of equipment
· Review time
· Upgrade time
2.1.3 Implementation of Maintenance and Upgrade
· Points of external contracts
· Internal implementation points
2.1.4 Backup and Data Recovery
· Data storage to disposal
· Backup
·Data Recovery
2.1.5 Configuration Management of Network System
· Equipment management
· Software management
· Network configuration map
2.2 Management of Network System
2.2.1 Monitoring of Network System
· Network Management Agreement (SNMP, MIB-2, RMON)
· Utilize tool monitoring network performance (LAN controller)
· Utilize tool monitoring network failure
· Utilize tool monitoring network security (intrusion detection system)
· Performance monitoring checkpoint
· Safety surveillance
2.2.2 Fault Recovery Analysis
· Fault Analysis Point (LAN Monitor)
· Exclude failure points
· Fault report writing points
2.2.3 System performance analysis
· System performance points
2.2.4 Countermeasures for Hazardous Safety
· Harm safety analysis (investigation and loss, collect safety information, find reasons)
· Intrusion detection points
· Key points to deal with computer viruses (killing virus measures)
2.3 Evaluation of Network System
2.3.1 System Evaluation
· Restrictions on system capabilities
· Potential problem analysis
· Systematic points
2.3.2 Recommendations for Improvement Systems
· System life cycle
· System economic benefits
· Systematic expansibility
· It is recommended to improve the main points of the system
3. Network system implementation technology
3.1 Network Agreement
· Commercial Network Agreement (SNA / Appn, IPX / SPX, AppleTalk, TCP / IP)
· Business Agreement (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
3.3 Network Facilities
3.3.1 xDSL modem
3.3.2 ISDN Router
·interface
· Function (non-communication control function, NAT function)
3.3.3 FRAD (Frad / Demolition), CLAD (Cell assembly / disassembly)
·interface
·Features
3.3.4 Remote Access Server
· Function and mechanism
3.3.5 Office Personal Handheld System (PHS)
· Functional characteristics of digital cordless phones
3.3.6 Trunk HUB
· Better hub (function and mechanism)
3.3.7 L2, L3, L4 and multilayer switches function and mechanism
3.3.8 IP router function and control
3.3.9 Virtual Network (Function and Mechanism)
3.3.10 Coexistence with other protocols (multi-protocol router, IP tunnel)
3.4 Network Application Services
3.41 address service
· Mechanism, DHCP, IPv6 (mechanism and transmission technology)
3.4.2 DNS (function, mechanism)
· Domain name, FQDN
3.4.3 Email (function, mechanism)
· SMPT, POP, MIME, IMAP4, LDAP
·Mailing Lists
· Web Mail
3.4.4 Electronic News (Functions and Mechanisms, NNTP)
3.4.5 Web Services (Functions and Mechanisms, HTTP)
3.4.6 Load Distribution (Web Switching)
3.4.7 Electronic authentication (function, mechanism, certification authorization, electronic certificate)
3.4.8 Service Mechanism
· Service supplier, supplier roaming service, dial-up IP connection, CATV connection, IPD phone, Internet broadcast, e-commerce, e-government, mobile communication, EZWEB, host service provider, EDI (rules, form, web EDI), B2B , B2C, ASP
,data center
4. New technology
4.1 Fibernet
· ATM-PDS, STM-PDS
· Passive optical network PON (Apon, EPON)
4.2 Wireless Network
· Mobile phone system (WLL, WCDMA, CMDA2000, TD-SCDMA)
· High speed fixed wireless access (FWA)
· 802.11a, 802.11b, 802.11g
· Microwave access (MMDS LMDS)
· Satellite access
· Bluetooth access
4.3 Main Network
· Ipoversonet / sdh
· IPoverOptical
· Ipoverdwdm
4.4 Communication Service
· All-weather IP connection service (leased line IP)
· Local IP network (NAPT)
· IPv6
4.5 Network Management
· Network management based on TMN
· CORBA-based network management
4.6 grid calculation
