Summary of small knowledge points in project management

Project management, there are many knowledge points need to summarize and accumulate daily, starting from here:

1, Project communication channel number calculation formula: [N (N-1)]/2 molecule is known as the order of magnitude: N squared.

2, the number of Crystal head calculation: n*4*1.15

3, information 6 major elements:

Information resources (CORE), information networks (infrastructure), information Professionals (success is the key)

Information Technology application (is the leader, is the main position), the information Industry (Material Foundation, Construction Foundation)

Information policy, Law and standard specification (guarantee)

4. E-Government type: G2G g2c g2b g2e

5, the characteristics of ERP: integration, real-time, unity.

6, CRM: Trigger Center, mining Center.

7, SCM: Information flow, logistics, capital flow, business flow.

8, EAI: Information-oriented, process, service integration. http://hovertree.com/menu/hovertreescj/

9. Bi Database: Theme-oriented, integration, non-ease, variability

10, OLAP online analysis and processing DM data mining

11, data mining is divided into descriptive type: Data summarization, clustering, correlation analysis.

Predictive type: Classification, filing, time.

12, the project supervision basis: laws and regulations, technical standards, contracts.

13, supervision responsibility: Four control three pipe a coordination.

Four-control: investment (cost) control, schedule control, quality control, change control.

Three tubes: Information management, security management, contract management

A coordination: communication and coordination.

14, the supervision is divided into: a B-C system integration qualification is divided into: one or two, three or four.

15, 4 kinds of Data Environment: Data file, application database, subject database, information retrieval system.

16. Development model: Waterfall, evolution, increment, helix, fountain, component Assembly, v model, RUP, iteration.

17, software engineering, software requirements, software quality

Software requirements include: business requirements, functional requirements, non-functional requirements.

18, cohesion: (low to High = even, logos, time, pass, pass, Shun, function) high.

Coupling: (low to High = Non, number, standard, control, outside, public, internal) low good

19. Software Maintenance: Error correction, adaptability, perfection (50%-60%)

20, Software Process Improvement: initial level = = repeatable LEVEL = = defined level = = managed Level = = = Optimized level.

21, Object-oriented: encapsulation, inheritance, polymorphism.

22. UML View:

Structure diagrams: Classes, composite structures, artifacts, deployment diagrams, object graphs, and package diagrams.

Behavior diagrams: Activities, use cases, state diagrams.

23, Software Architecture: 2 Layer C/S

3 Layer C/s

b/S

24. The Web service is divided into soap service providers, WDSL service requesters, and UDDI service registrants.

25. Software Components: Omg====corba

Sun=====ejb

Microsoft =====dcom

26. Middleware: Remote Procedure Call

Message-oriented mom, such as IBM BEA

Object Request Agent

Transaction processor

27, J2ee/net Technology.

28, the computer seven layer:

Physical layer, Data link layer, network layer, transport layer, Session layer, presentation layer, application layer.

29. Workflow Technology

30, TCP/IP four layer: network interface layer, network layer, Transport layer, application layer.

31. Common Network protocols:

CDMA/CD IP ICMP arp=rarp tcp/udp POP3 FTP TELNET

FTP TELNET HTTP SMTP DHCP SNMP TFTP DNS NFS SAMBA

32, Network Planning principles: practical, open, advanced

Principles of design and implementation: reliability, safety, efficiency, scalability.

33, Network classification:

LAN, metropolitan area network, WAN.

Bus type, star shape, ring type.

34.802 family

802.3 Ethernet

802.4 Token Bus

802.5 Token Ring

802.6 Metropolitan Area Network

802.7 Broadband Technology

802.8 Optical Fiber Technology

802.11 Wireless LAN Technology

802.13 Cable TV

802.14 Interactive TV Network

802.15 Wireless personal Area Network

802.16 Wireless Max Network.

34, fiber-related standards:

The 1000BASE has four transmission media standards:

>>1000BASE-LX, 1000BASE-SX, 1000BASE-CX, 1000base-t

The 1000BASE-LX corresponds to the 802.3z standard and can be used with either single mode fiber or multimode fiber.
The main fibers used in 1000BASE-LX are: 62.5μm multimode fiber, 50μm multimode fiber and 9μm single mode fiber, wherein the maximum transmission distance using multimode fiber is 550m, the maximum transmission distance using single mode fiber is 3-kilometer. The 1000BASE-LX uses 8B/10B encoding method.

The 1000BASE-SX is a single fiber 1000Mbps baseband transmission system. The 1000BASE-SX also corresponds to the 802.3z standard and can only be used with multimode fiber
The optical fibers used in 1000BASE-SX are: 62.5μm multimode fiber, 50μm multimode fiber. The maximum transmission distance of 62.5μm multimode fiber is 275m, and the maximum transmission distance with 50μm multimode fiber is 550 meters. The 1000BASE-SX uses 8B/10B encoding method.

The 1000base-cx corresponds to the 802.3z standard, using the 150ω balanced shielded twisted pair (STP). Maximum transmission distance 25 m, connection cable with 9-pole D-Connector
The 1000BASE-CX is suitable for connections between switches, especially for short-distance connections between the backbone switch and the primary server. Its transmission speed is 1.25Gbps.

1000BASE-T (UTP unshielded twisted pair) 100 m

35, Wireless 802.11a/b/g/n

802.11a/b/g/n, in fact, refers to the wireless network protocol, subdivided into 802.11a, 802.11b, 802.11g, 802.11n and so on.

802.11A operates in the 5.4G band, the highest rate of 54 trillion, mainly used in long-distance wireless connection,

802.11B operating in the 2.4G band, the highest rate of 11 trillion, gradually eliminated,

The 802.11g operates in the 2.4G band, with a maximum rate of 54 trillion,

802.11N latest wireless standard, currently immature, the highest rate can reach 300 trillion.

36. Network access

Internet access includes: Wired and wireless

Wired includes: ADSL DDN, Fiber optic

Wireless includes: WiFi Bluetooth, infrared money

37. Virtual LAN Technology (VLAN)

38. Integrated Cabling

Six subsystems: Workspace subsystem, inter-management subsystem, inter-device subsystem, HORIZONTAL trunk subsystem

Vertical trunk subsystem, complex subsystem.

39, Computer room Engineering Standard Specification Study:

40. IP Address Learning

Three zones as private addresses

10.0.0.0/8:10.0.0.0-10.255.255.255
172.16.0.0/12:172.16.0.0-172.31.255.255
192.168.0.0/16:192.168.0.0-192.168.255.255

Class A address range: 1.0.0.0---126.255.255.255

①10.x.x.x is a private address (the so-called private address is not used on the Internet, but is used in the local area network address).

Range (10.0.0.0---10.255.255.255)

②127.X.X.X is a reserved address for use as a cyclic test.

Class B address

Class B address range: 128.0.0.0---191.255.255.255.

①172.16.0.0---172.31.255.255 is a private address

②169.254.X.X is a reserved address. If your IP address is automatically getting an IP address, and you do not find an available DHCP server on the network. You will get one of the IPs.

Class C Address

Class C address range: 192.0.0.0---223.255.255.255.

192.168.x.x is a private address. (192.168.0.0---192.168.255.255)

Class D address

Class D address range: 224.0.0.0---239.255.255.255

Class E Address

Class E address range: 240.0.0.0---255.255.255.255

41. Information Security

"Encryption includes: symmetric des asymmetric RSA DSA irreversible encryption: MD5 and Sha

"Digital signature

"Digital Envelope

"Pki/ca

"Access control includes DAC ACL MAC RBAC

42, the characteristics of the project: temporary, unique, progressive details

43, project manager, project stakeholders.

44.9 Major areas of knowledge

Stakeholder needs and expectations ============== scope, schedule, cost, quality (core 4)

============= Overall Management =========================

= = = = Human resources management, communication management, risk management, purchasing management = = = =

============== tools and Technology ========== achieve project stakeholder needs = Project success.

45, the Project organization way: The function type, the project type, the matrix type.

46. Project Life cycle

Start, plan, execute, end.

47. Individual project Management process

PDCA (planning, execution, inspection, closure)

48, 5 large process Group

Start ============== Project Charter, project manager

Planning (Planning) ====== project objectives and scope

Implementation of =============== action

Monitor ================ changes

Closure of ================ contracts and projects.

49. Project Establishment: Demand analysis, proposal, feasibility study, bidding, signing contract.

50, Project proposal: Necessity, Market Forecast, product plan, Service Market Forecast, construction necessary condition.

51, feasibility Study content: Technology, economy, society.

Investment ====== Technology ======= Accounting ======== Organization

Economic ====== Social ======= risk factors countermeasures.

52. Cost-Benefit analysis

Interest rate investment payback period

NET present value: Net present value rate.

53. Project management of Construction Investment Party

Proposal preparation, preliminary feasibility, detailed feasibility, feasibility report, project demonstration and evaluation, tender.

54. Project demonstration and evaluation

55, the contractor project management

===== Project Identification

===== Project Demonstration

===== bids.

56. Bidding process

Tendering, bidding, bid opening, bid evaluation, bid.

57. Contract Signing Content

Project name, content, scope requirements, plan, progress, location, confidentiality agreement, risk liability, attribution of technical achievements, acceptance criteria, price and payment method, liquidated damages, claims.

58, tender: including open tenders, inviting tenders

59, the tendering agency.

60. Tender Announcement

61, Tender Documents: Modified before 15th, the shortest 20th.

62, Tender: at least 3 people

Non-subject, non-critical work, subcontracting.

63. Bid opening: Open at the same time.

The tenderer is presiding.

64. Evaluation of BIDS: the Evaluation Committee

More than 5 people, technical economy not less than 2/3

65. Winning the bid: The winning bidder shall bear legal liability according to law.

Contract signed within 30th of winning bid

Tender report within 15th (written)

Acceptance of subcontracting is jointly and severally liable.

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Summary of small knowledge points in project management