Expanding Social Horizons: Socioemotional Development in Middle Childhood
| Institution | Keiser University |
| Course | Pschology |
| Year | 4th Year |
| Semester | Unknown |
| Posted By | Faith Kagwi |
| File Type | |
| Pages | 34 Pages |
| File Size | 174.87 KB |
| Views | 6354 |
| Downloads | 0 |
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Description
CHAPTER OVERVIEW AND CONNECTIONS TO OTHER CHAPTERS
Socialization is a major goal of all people and involves teaching children the values, mores, norms, and
roles of their culture. This task falls initially to the parents, which is why it is so important to focus on the
impact of parents on children’s socialization. This chapter examines the many socializing forces in a
child’s life, including family. The emphasis is on children of elementary school age, and covers
development from the years of approximately seven to twelve. In addition to the impact of family on
children’s development, this chapter also examines the role of divorce, remarriage, peers, and television
as sources of socialization. The authors emphasize the potent effects of parenting style by showing its
consequences for a child’s emotional and cognitive development, as well as its impact on peer
relationships. Also important are individual characteristics of children, as these often determine the
quality of parenting and the nature of peer interactions. Additionally, this chapter examines children’s
understanding of others in terms of their descriptions of others and the development of perspective-taking
and prejudice. The authors examine how socialization, parenting, and sibling relationships differ by ethnic
groups.
This chapter is closely related to the two preceding chapters. From Chapter 5, you can draw connections
between the development of empathy and positive peer relationships, attachment and parenting style, and
the social roles of gender and violence on TV; from Chapter 6, you can examine the impact of cognitive
development on changes in the complexity of peer relationships and the social networks of older children,
as well as the features of educational settings that enhance socialization.
Below is the document preview.
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.
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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.
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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.
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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.
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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.
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13. AAA Principles and Configuration
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User management is one of the most basic security management requirements for
any network. Authentication, authorization, and accounting (AAA) is a management framework that provides a security mechanism for authorizing some users to access specified resources and recording the operations of these users. AAA is widely used because of its good scalability and easy implementation of centralized management of user information. AAA can be implemented through multiple protocols. In actual applications, the Remote Authentication Dial-In User Service (RADIUS) protocol is the most commonly used to implement AAA.
This course describes the basic concepts, implementation, basic configurations, and
typical application scenarios of AAA.
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14 Network Address Translation
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With the development of the Internet and the increase of network applications,
limited public IPv4 addresses have become the bottleneck of network
development. To solve this problem, Network Address Translation (NAT) was
introduced.
NAT enables hosts on an internal network to access an external network. It not
only helps alleviate IPv4 address shortage but also improves the security of the
internal network as NAT prevents devices on the external network from directly
communicating with hosts on the internal network that uses private addresses.
This course describes the motivation behind NAT, and implementations and
application scenarios of different types of NAT.
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15. Network Services and Applications
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The Internet has become an integral part of our lives, with a wide range of
applications such as file transfer, email sending, online video, web browsing, and
online gaming. Because of the layered network model, common users can use
various services provided by the application layer, without knowing technical
details such as communication technology implementations.
In previous courses, we have learned technologies related to the data link layer,
network layer, and transport layer. This chapter will describe common network
services and applications such as FTP, DHCP, and HTTP.
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UCU110.Communication and collaboration skills
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These notes are summarizes in a manner that make your studies more simple and efficient
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