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ASSIGNMENT 1 FRONT SHEET
Qualification BTEC Level 5 HND Diploma in Computing Unit number and title Unit 2: Networking Submission date Ngày nộp bài Date Received 1st submission Ngày nộp bài Re-submission Date Date Received 2nd submission Student Name Họ tên Student ID Mã SV Class SE07101 Assessor name Do Phi Hung Student declaration I certify that the assignment submission is entirely my own work and I fully understand the consequences of plagiarism. I understand that making a false declaration is a form of malpractice. Student’s signature Grading grid
P1 P2 P3 P4 M1 M2 D
Summative Feedback: Resubmission Feedback:
Grade: Assessor Signature: Date: Internal Verifier’s Comments: Signature & Date:
1. Introduction Introduce the project and explain what the project is all about Explain the problems that requires address and give solutions to the problems Talk about what the important parts of the assignment you will address
1 Discuss the benefits and constraints of different network types and standards (P1).
1.1 Define network: The operational management of human-computer systems is the focus of network and system administration, a discipline of engineering. It is unique among engineering disciplines in that it considers both computer system technology and its users on an equal footing. It entails assembling a network of computers (workstations, PCs, and supercomputers), getting them up and running, and then maintaining them up and running despite the activities of users who frequently cause the systems to fail. 1.2 Network type (MAN, WAN,LAN etc.) LAN:(Local Area Network), also known as a local area network, is used in a certain limited area with high transmission speed. Devices using LAN can share resources with each other, typically sharing files, printers...and some other
devices.
o Benefit of LAN:
- High transmission speed, supports quick connection of many devices. Although limited in connection range, it is cost effective, uses little wire, and is easy to manage.
o Constraint of LAN:
- The transmission line is short and can only operate in a certain area. WAN:(Wide Area Network), also known as wide area network, is a combination of urban networks including MAN networks and LAN networks through satellite equipment, fiber optic cables, and electric cables. Wide area networks are created to connect over a large area of national scale. The protocol used in the WAN network is TCP/IP, the transmission bandwidth varies depending on the installation location. o Benefit of WAN:
- Helps you cover a larger geographic area, so business offices located at greater distances can easily communicate with each other.
- WAN networks can accommodate a larger number of endpoints such as mobile phones, laptops, tablets, computers, game consoles, etc.
- WAN connections work using radio transmitters and receivers built into client devices.
- Share software and resources by connecting to different workstations. Share information/files over a larger area. o Constraint of WAN:
- Due to its much larger size and complexity, the initial setup cost of a WAN is many times greater than that of a LAN.
- It is difficult to maintain a WAN because it will require highly skilled technicians and network administrators.
- WAN requires a lot of time to solve problems because of the involvement of many wired and wireless technologies.
- WAN networks provide lower security compared to other types of networks
- The TCP/IP model is a combination of separate protocols. The task of each protocol is to help computers connect and transmit information back and forth to each other. TCP is a transmission control protocol and Internet Protoco (IP) is an internetworking protocol. TCP/IP consists of four layers: application layer, network layer, transport layer and physical layer.
- OSI: OSI model has the main functions as follows:
- 1 -Physical Secures requests to transmit/receive bit strings over physical media.
- 2 – Data Link
- 3 – Network
- choose the path and make sure the path is stable
- 4 – Transpost
- Transport information between servers (End to End). Error control and data flow
- 5 - Session
- Manage communications between entities by establishing, maintaining, synchronizing, and
- canceling communication sessions between applications
- 6 – Presentation
- Transform data syntax to meet communication requirements of applications
- 7 – Application o Similar: The OSI and TCP/IP models have some things in common as follows:
- OSI and TCP/IP both have a layered architecture.
- OSI and TCP/IP both have a Network layer and a Transport layer.
- OSI and TCP/IP both use Packet transfer technology.
- The standard TCP/IP model is divided into 4 layers (Layer) that overlap:
- Physical layer
- Network layer
- Transport layer
- Application layer
- Standards:?
- List some standard organizations and standards names:? 1.4 Network protocol definition ● List some protocols : HTTP, DNS (Ch 12)
- HTTP: is the abbreviation for Hyper Text Transfer Protocol (hypertext transfer protocol). This is the most frequently used application protocol in the TCP/IP protocol suite
- DNS: is an acronym for Domain Name System, the full meaning of which is a domain name analysis system. DNS was discovered in 1984 for the Internet, a system that allows compatibility between IP addresses and domain names. 2 Network topology & communication and Bandwidth requirements (P2) - Chapter 4, 5 2.1 Network topology definition.
- Topology: : The topology of a network is the arrangement and relationship of the network devices and the interconnections between them 2.2 Discuss the Impact of topology ● Definition of Physical Topology:? ● Definition of Logical Topology:? Examples of topology with diagrams: tham khảo Chapter 5 ● Mesh:?
information is bandwidth. Literally understood, this term is the maximum speed that can transfer documents in 1 second or can be more clearly defined as the capacity of the wired or wireless link network for maximum data transmission. back and forth between the site and the user in a unit time Bandwidth concept certainly has a lot of people can not grasp. In English, by network information is bandwidth. Literally understood, this term is the maximum speed that can transfer documents in 1 second or can be more clearly defined as the capacity of the wired or wireless link network for maximum data transmission. back and forth between the site and the user in a unit time Bandwidth concept certainly has a lot of people can not grasp. In English, by network information is bandwidth. Literally understood, this term is the maximum speed that can transfer documents in 1 second or can be more clearly defined as the capacity of the wired or wireless link network for maximum data transmission. back and forth between the site and the user in a unit time Bandwidth concept certainly has a lot of people can not grasp. In English, by network information is bandwidth. Literally understood, this term is the maximum speed that can transfer documents in 1 second or can be more clearly defined as the capacity of the wired or wireless link network for maximum data transmission. back and forth between the site and the user in a unit time 3 Discuss the operating principles of networking devices and server types (P3) 3.1 Discuss 1 or 2 operating principles of a selected network device
- Switch : Switching device
- Router : – IP network connection
3.2 List network devices
- Access point: chức năng dùng để làm gì
- Firewall: chức năng dùng để làm gì
- Load balancing: chức năng dùng để làm gì 3.3 List server types:
- Web server: chức năng dùng để làm gì
- Databases server: chức năng dùng để làm gì
- File storage server: chức năng dùng để làm gì 4 Discuss the inter-dependence of workstation hardware with relevant networking software (P4) 4.1 Explain what is meant by interdependencies: ? 4.2 Give examples of interdependency: ? 4.3 Define workstation hardware: ? 4.4 Define networking software: ?
