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PHP 308: PRINCIPLES AND PRACTICE OF HEALTH PROMOTION 1
| Institution | TVET |
| Course | DIPLOMA IN COMMUNITY... |
| Year | 1st Year |
| Semester | Unknown |
| Posted By | stephen oyake rabilo |
| File Type | |
| Pages | 77 Pages |
| File Size | 2.22 MB |
| Views | 4365 |
| Downloads | 1 |
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Description
UNIT 1.0 CONCEPTS AND PRINCIPLES OF HEALTH PROMOTION
1.1 Introduction
In this section, we shall examine the concept and principles of health promotion to serve as a foundation to what follows in the course. Principally, we shall review the historical background of
health promotion, define terms related to health promotion and discuss the aims and core values of health promotion.
1.2 Objectives of the Unit
At the end of this topic, you should be able to:
a) Define terms related to health promotion
b) State the Aims and core values of Health promotion
c) Discuss the historical background of health promotion
1.3 Introduction to Health Promotion
The term health promotion (HP) refers to a broad social and political process that includes both actions intended to improve people's abilities and skills and actions intended to alter social,
environmental, and economic conditions in order to lessen their negative effects on both public and individual health. The purpose of HP practice is to create and sustain environments that enable individuals to make healthy decisions and promote social contexts that support healthy behaviors.
Below is the document preview.
03 Huawei VRP Basics
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The Versatile Routing Platform (VRP) is a universal operating system (OS) platform for Huawei datacom products. It is based on IP and adopts a component-based architecture. It provides rich features and functions, including application-based tailorable and extensible functions, greatly improving the running efficiency of the devices that use this OS. To efficiently manage such devices, you must be familiar with VRP and VRP-based configuration. This note describes the basic concepts, common commands, and command line interface (CLI) of VRP.
24 Pages
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04 Network Layer Protocols and IP Addressing
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Internet Protocol Version 4 (IPv4) is the core protocol suite in the TCP/IP protocol suite. It works at the network layer in the TCP/IP protocol stack and this layer corresponds to the network layer in the Open System Interconnection Reference Model (OSI RM).
The network layer provides connectionless data transmission services. A network
does not need to establish a connection before sending data packets. Each IP
data packet is sent separately.
This notes describes the basic concepts of IPv4 addresses, subnetting,
network IP address planning, and basic IP address configuration.
42 Pages
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1.34 MB
05 IP Routing Basics
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There are typically multiple IP subnets on a typical data communication network.
Layer 3 devices are required to exchange data between these IP subnets. These
devices have the routing capability and can forward data across subnets.
Routing is the basic element of data communication networks. It is the process of
selecting paths on a network along which packets are sent from a source to a
destination.
This note introduces the basic concepts of routing.
52 Pages
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1.93 MB
06 OSPF Basics
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Static routes are manually configured. If a network topology changes, static routes
have to be manually adjusted, which restricts the large-scale application of static
routes on the live network.
Dynamic routing protocols are widely used on live networks because of their high
flexibility, high reliability, and easy scalability. The Open Shortest Path First (OSPF)
protocol is a widely used dynamic routing protocol.
This course describes basic concepts,working mechanism, and basic configurations of OSPF.
49 Pages
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1.18 MB
07 Ethernet Switching Basics
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Data transmission on networks must comply with certain standards. Ethernet
protocols define how data frames are transmitted over an Ethernet network.
Understanding Ethernet protocols is the basis for fully understanding
communication at the data link layer. An Ethernet switch is the main device for
implementing data link layer communication. It is essential to understand how an
Ethernet switch works.
This note describes the concepts related to Ethernet protocols, MAC address
types, and working process and mechanism of Layer 2 switches.
41 Pages
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1.24 MB
08 VLAN Principles and Configuration
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Ethernet technology implements data communication over shared media based
on carrier sense multiple access with collision detection (CSMA/CD). If there are a
large number of PCs on the Ethernet, security risks and broadcast storms may
occur, deteriorating network performance and even causing network breakdowns.
The virtual local area network (VLAN) technology is therefore introduced to solve
the preceding problem.
This note describes basic VLAN principles, working principles of different Layer 2
interfaces, VLAN applications, data forwarding principles, and basic VLAN
configuration methods.
46 Pages
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09 STP Principles and Configuration
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On an Ethernet switching network, redundant links are used to implement link backup and enhance network reliability. However, the use of redundant links may produce loops, leading to broadcast storms and an unstable MAC address table. As a result, communication on the network may deteriorate or even be interrupted. To prevent loops, IEEE introduced the Spanning Tree Protocol (STP).
Devices running STP exchange STP Bridge Protocol Data Units (BPDUs) to discover loops on the network and block appropriate ports. This enables a ring topology to be trimmed into a loop-free tree topology, preventing infinite looping of packets and ensuring packet processing capabilities of devices.
IEEE introduced the Rapid Spanning Tree Protocol (RSTP) to improve the network
convergence speed.
60 Pages
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10 Inter-VLAN Communication
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By default, a Layer 2 switching network is a broadcast domain, which brings many
problems. Virtual local area network (VLAN) technology isolates such broadcast
domains, preventing users in different VLANs from communicating with each
other. However, such users sometimes need to communicate.
This course describes how to implement inter-VLAN communication.
30 Pages
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1.45 MB
11. Eth-Trunk, iStack, and CSS
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As services develop and the campus network scale expands, users have
increasingly demanding requirements on network bandwidth and reliability.
Traditional solutions improve network bandwidth by upgrading devices and
implement high reliability by deploying redundant links and using the Spanning
Tree Protocol (STP), leading to low flexibility, time-consuming troubleshooting, and
complex configuration.
This chapter describes how to use Eth-Trunk, intelligent stack (iStack), and cluster
switch system (CSS) technologies to improve network bandwidth and reliability.
48 Pages
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2.23 MB
12 ACL Principles and Configuration
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Rapid network development brings challenges to network security and quality of service(QoS). Access control lists (ACLs) are closely related to network security and QoS. By accurately identifying packet flows on a network and working with other technologies, ACLs can control network access behaviors, prevent network attacks, and improve network bandwidth utilization, thereby ensuring network environment security and QoS reliability. This course describes the basic principles and functions of ACLs, types and characteristics of ACLs, basic composition of ACLs, ACL rule ID matching order, usage of wildcards, and ACL configurations.
27 Pages
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