Assignment 2 Networking (1619 Distinction)

Dựa trên cách tiếp cận từ trên xuống thành công, khóa học Mạng máy tính được triển khai với sự nhấn mạnh ban đầu vào các mô hình lớp ứng dụng và giao diện lập trình ứng dụng, khuyến khích trải nghiệm thực hành với các giao thức và khái niệm mạng.

ASSIGNMENT FRONT SHEET Qualification BTEC Level HND Diploma in Computing Unit number and title Unit 2: Networking Infrastructure Submission date Date Received 1st submission Re-submission Date Date Received 2nd submission Student Name Bui Quang Minh Student ID GCD210325 Class GCD1104 Assessor name Tran Trong Minh 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 P5 P6 P7 P8 M3 M4 D2 D3 Minh  Summative Feedback: Grade: Lecturer Signature: Assessor Signature:  Resubmission Feedback: Date: Table of Contents TASK 1: LOGICAL/PHYSICAL DESIGN OF NETWORED SYSTEM (P5) I DIFFERENCES II USER REQUIREMENTS III LOGICAL DESIGN IV PHYSICAL DESIGN Ground floor First floor 10 Second floor 10 V ADDRESS TABLE 11 TASK 2: DESIGN EVALUATION (P6) 16 I TEST PLAN 16 II EVALUATION 18 TASK 2.1: INSTALLATION AND CONFIGURATION (M3) 19 I OVERVIEW OF SERVER 19 Definition … 19 Why we need them 19 II CONFIGURATION OF DHCP_DNS SERVER 20 III CONFIGURATION OF WEB SERCER 23 IV CONFIGURATION OF MAIL SERCER 24 V CONFIGURATION OF FILE SERCER 26 TASK 2.1.1: MAINTENANCE SCHEDULA (D2) 28 I DESIGN NETWORK MAINTENANCE 28 II BENEFITS OF NETWORK MAINTENANCE 28 TASK 3: IMPLEMENT A NETWORK SYSTEM (P7) 30 I PROOFING OF NETWORK IMPLEMENTATION 30 Setting for computers 30 Setting for servers 31 Setting for printers 33 Setting for routers 35 Setting for switch 36 II DIAGRAM 38 TASK 4: DOCUMENT AND ANALYSE TEST RESULTS (P8) 35 I CONFIGURATION SHOWING 35 Multiple switch D1 …… 35 Swich 41 Routers R1 48 II TESTING 49 TASK 4.1: POTENTIAL ENHANCEMENTS (M4) 58 REFERENCE …………………………………………………………………………………………………………………………….…………… 59 TASK1: LOGICAL/PHYSICAL DESIGN OF NETWORKED SYSTEM (P5) I DIFFERENCE BETWEEN TWO DESIGNS A logical topology is how devices appear connected to the user A physical topology is how they are actually interconnected with wires and cables Logical design The objective of the logical design phase is to reach, starting from the conceptual scheme, a logical scheme that represents it faithfully, “efficiently” and independent of the particular DBMS (Data Base Management System) adopted To this end, this design phase can be divided into steps: Restructuring of the Entity-Relationship scheme: it is a phase independent of the logical model and is based on optimization criteria of the scheme; Translation towards the logical model: it refers to a specific logical model, in our case the relational model Physical design It translates the logical schema in terms of tables and relationships that will constitute the actual physical structure of the database This last phase will be taken into consideration in this thesis in a marginal way Figure Logical Design Compared with Physical Design II USER REQUIREMENTS FOR GENERAL NETWORK DESIGN User Request:  People: People: 200 students, 15 teachers, 12 marketing and administration staff, higher managers, including the head of academics and the program manager, computer network administrators  Resources: 50 student lab computers, 35 staff computers, printers  Building: floors, all computers and printers are on the ground floor apart from the IT labs – one lab located on the first floor and another located on the second floor Explain the USER Requirement: CEO Mr Nguyen’s institution Seconds Floor • Lab room 2: 25 computers (ITLab26 – ITLab50) First Floor • Lab room 1: 25 computers (ITLab01 – ITLab25) Ground Floor • Network administrators’ room: computers • Managers’ room: computers and printer • Staff room: 12 computers and printer • Teachers’ room: 15 computers and printer III LOGICAL DESIGN The logical network design is composed of segregated networks that are implemented physically using virtual local area networks (VLANs) defined by network switches Figure Logical topology IV PHYSICAL DESIGN The physical network design as the name implies, is the physical components used for installation Physical layout of a network is the hardware on which the network topology is built The elements of a physical network design consist of routers, cables, connecting cables, laptops, desktops, switches Figure Physical topology of ground floor Ground floor Figure Physical topology of ground floor Figure Physical topology of ground floor (2) First floor Figure Physical topology of 1st floor Second floor Figure Physical topology of 2nd floor