Diploma in Hardware & Networking (DHN)

কম্পিউটার হার্ডওয়্যার, নেটওয়ার্ক কনফিগারেশন ও CCNA প্রস্তুতি।
হার্ডওয়্যার ও নেটওয়ার্কিং – CCNA
Hardware & Networking – CCNA

Course Level: Beginner → Professional
Course Type: Professional + Practical Training
Focus: Hardware • Networking • Cisco • CCNA • Troubleshooting • Network Security

🎯 Course Objectives

এই কোর্স শেষে একজন শিক্ষার্থী—

Computer Hardware-এর বিভিন্ন অংশ শনাক্ত ও ইনস্টল করতে পারবে
PC Assemble ও Disassemble করতে পারবে
Windows ও প্রয়োজনীয় Drivers Install করতে পারবে
Hardware ও Software সমস্যা Troubleshoot করতে পারবে
Networking-এর মৌলিক ধারণা বুঝতে পারবে
LAN/WAN Network তৈরি ও Configure করতে পারবে
IP Address ও Subnetting করতে পারবে
Router ও Switch Configure করতে পারবে
VLAN ও Inter-VLAN Routing Configure করতে পারবে
Cisco IOS-এর মাধ্যমে Network Management করতে পারবে
Network Troubleshooting করতে পারবে
Basic Network Security সম্পর্কে ধারণা অর্জন করবে
Cisco CCNA-ভিত্তিক Professional Networking Skills তৈরি করতে পারবে
MODULE 01 — Computer Fundamentals
Lesson 01 — Introduction to Computer
Computer কী?
Computer-এর প্রকারভেদ
Hardware ও Software
Input / Output
Processing ও Storage
Lesson 02 — Computer Components
Motherboard
CPU
RAM
HDD
SSD
Power Supply
GPU
Cooling System
Lesson 03 — Motherboard
Motherboard-এর পরিচিতি
CPU Socket
RAM Slot
Expansion Slot
SATA
M.2
BIOS/UEFI
Lesson 04 — CPU & RAM
Processor কী?
CPU Core & Thread
Clock Speed
RAM-এর ধরন
DDR3 / DDR4 / DDR5
RAM Installation
Practical Lab
PC খুলে Hardware শনাক্ত করা
RAM Install/Remove
Storage Install
BIOS/UEFI Setup
MODULE 02 — PC Assembly & Installation
Lesson 05 — PC Assembly
PC Assembly-এর ধাপ
Motherboard Installation
CPU Installation
RAM Installation
Storage Installation
Power Connection
Lesson 06 — Power Supply
PSU কী?
Wattage
ATX Power Connector
CPU Power Connector
SATA Power
Power Troubleshooting
Lesson 07 — Storage Devices
HDD
SSD
SATA SSD
NVMe SSD
Partition
Disk Management
Lesson 08 — BIOS/UEFI
BIOS কী?
UEFI কী?
Boot Order
Secure Boot
Hardware Detection
BIOS Configuration
Practical Lab

একটি Desktop PC সম্পূর্ণ Assemble ও Boot করা।

MODULE 03 — Operating System & Drivers
Lesson 09 — Windows Installation
Windows Installation
Partition Selection
User Account
Basic Configuration
Lesson 10 — Drivers
Driver কী?
Chipset Driver
Display Driver
Network Driver
Audio Driver
Driver Troubleshooting
Lesson 11 — System Configuration
Device Manager
Task Manager
Disk Management
System Information
Windows Update
Lesson 12 — Backup & Recovery
System Restore
Recovery Options
Data Backup
Basic System Recovery
Practical Lab

Windows Install → Driver Install → System Configuration.

MODULE 04 — Hardware Troubleshooting
Lesson 13 — Troubleshooting Methodology
Problem Identification
Diagnosis
Testing
Solution
Verification
Lesson 14 — Common Hardware Problems
PC Not Turning On
No Display
Overheating
RAM Problem
HDD/SSD Problem
Power Supply Problem
Lesson 15 — Laptop Hardware Basics
Laptop Components
Battery
RAM
SSD
Keyboard
Display
Cooling Fan
Lesson 16 — Preventive Maintenance
Cleaning
Thermal Paste
Cable Management
Dust Management
Hardware Safety
Practical Lab

কমপক্ষে ১০টি Hardware Troubleshooting Scenario সমাধান।

MODULE 05 — Networking Fundamentals
Lesson 17 — Introduction to Networking
Network কী?
কেন Network প্রয়োজন?
Client & Server
Network Devices
Lesson 18 — Types of Network
PAN
LAN
MAN
WAN
WLAN
Lesson 19 — Network Topologies
Bus
Star
Ring
Mesh
Hybrid
Lesson 20 — Network Devices
Hub
Switch
Router
Access Point
Modem
Firewall
MODULE 06 — Network Media & Protocols
Lesson 21 — Transmission Media
UTP
STP
Fiber Optic
Wireless
Lesson 22 — Ethernet
Ethernet কী?
MAC Address
Ethernet Frame
Speed & Duplex
Lesson 23 — Network Protocols
TCP
UDP
HTTP/HTTPS
FTP
DNS
DHCP
ICMP
Lesson 24 — OSI Model
Layer 1 — Physical
Layer 2 — Data Link
Layer 3 — Network
Layer 4 — Transport
Layer 5 — Session
Layer 6 — Presentation
Layer 7 — Application
Practical Lab

OSI Model-এর প্রতিটি Layer-এর বাস্তব উদাহরণ শনাক্ত করা।

MODULE 07 — IP Addressing & Subnetting
Lesson 25 — IPv4 Address
IPv4 কী?
Binary & Decimal
Network Address
Host Address
Broadcast Address
Lesson 26 — IPv4 Classes
Class A
Class B
Class C
Class D
Class E
Lesson 27 — Subnet Mask
Default Subnet Mask
CIDR
Network Portion
Host Portion
Lesson 28 — Subnetting
Basic Subnetting
Number of Networks
Number of Hosts
Subnet Calculation
Lesson 29 — VLSM & CIDR
VLSM
CIDR
Address Allocation
Practical Lab

কমপক্ষে ২০টি Subnetting Problem Practice।

MODULE 08 — Network Cabling
Lesson 30 — Ethernet Cable
UTP Cable
RJ45 Connector
T568A
T568B
Lesson 31 — Straight-Through Cable
Pin Configuration
Cable Making
Lesson 32 — Crossover Cable
Pin Configuration
Cable Making
Lesson 33 — Cable Testing
Cable Tester
Continuity Test
Common Cable Problems
Practical Lab

নিজ হাতে RJ45 Cable তৈরি ও Test করা।

MODULE 09 — Cisco Networking Fundamentals
Lesson 34 — Cisco Devices
Cisco Router
Cisco Switch
Cisco Access Point
Cisco Network Architecture
Lesson 35 — Cisco IOS
Cisco IOS Introduction
CLI
User EXEC Mode
Privileged EXEC Mode
Global Configuration Mode
Lesson 36 — Basic Cisco Commands
enable
configure terminal
hostname
show
copy
ping
reload
Lesson 37 — Basic Device Configuration
Hostname
Password
Banner
Console Access
SSH Access
Save Configuration
Practical Lab

Cisco Router ও Switch-এর Basic Configuration।

MODULE 10 — Switching
Lesson 38 — Ethernet Switching
MAC Address Table
Frame Forwarding
Broadcast
Unicast
Multicast
Lesson 39 — VLAN
VLAN কী?
VLAN-এর প্রয়োজনীয়তা
VLAN Creation
Access Port
Lesson 40 — Trunking
Trunk Port
802.1Q
Access vs Trunk
Lesson 41 — Inter-VLAN Routing
Router-on-a-Stick
Layer 3 Switching-এর ধারণা
Practical Lab

একাধিক VLAN তৈরি ও Configure করা।

MODULE 11 — Routing
Lesson 42 — Routing Fundamentals
Routing কী?
Routing Table
Connected Route
Static Route
Lesson 43 — Static Routing
Static Route Configuration
Default Route
Floating Static Route-এর ধারণা
Lesson 44 — Dynamic Routing
Dynamic Routing-এর ধারণা
RIP-এর পরিচিতি
OSPF-এর পরিচিতি
Routing Protocol-এর প্রয়োজনীয়তা
Lesson 45 — OSPF Fundamentals
OSPF কী?
Single-Area OSPF
Router ID
Neighbor Relationship
Practical Lab

Cisco Packet Tracer-এ Static Routing ও Basic OSPF Configuration।

MODULE 12 — DHCP, NAT & Network Services
Lesson 46 — DHCP
DHCP কী?
DHCP Server
DHCP Client
DHCP Address Pool
DHCP Relay-এর ধারণা
Lesson 47 — DNS
DNS কী?
Domain Name
DNS Server
Name Resolution
Lesson 48 — NAT
NAT কী?
Static NAT
Dynamic NAT
PAT / NAT Overload
Practical Lab

Router ব্যবহার করে DHCP ও Basic NAT Configuration।

MODULE 13 — Wireless Networking
Lesson 49 — Wireless Fundamentals
Wi-Fi কী?
Wireless Standards-এর ধারণা
SSID
Channel
Frequency
Lesson 50 — Wireless Security
WPA2
WPA3
Strong Password
Guest Network
Lesson 51 — Access Point Configuration
SSID Configuration
Password
Basic Wireless Settings
Practical Lab

Wireless Network Setup ও Configuration।

MODULE 14 — Network Security
Lesson 52 — Network Security Fundamentals
Network Security কী?
Threat
Vulnerability
Attack
Security Policy
Lesson 53 — Common Network Threats
Malware
Phishing
DoS/DDoS-এর ধারণা
Password Attack
Unauthorized Access
Lesson 54 — Basic Security Configuration
Strong Password
SSH
Access Control
Device Hardening
Secure Management
Lesson 55 — Firewall Fundamentals
Firewall কী?
Hardware Firewall
Software Firewall
Basic Filtering
MODULE 15 — Network Troubleshooting
Lesson 56 — Troubleshooting Method

Identify → Analyze → Test → Fix → Verify

Lesson 57 — Connectivity Troubleshooting
No Internet
No IP Address
DNS Problem
Gateway Problem
Cable Problem
Lesson 58 — Network Commands

Windows:

ipconfig
ping
tracert
nslookup
netstat

Cisco:

show running-config
show ip interface brief
show ip route
show vlan
show mac address-table
Lesson 59 — Troubleshooting Scenarios
PC cannot access network
Wrong IP Address
Wrong Gateway
VLAN Problem
Routing Problem
DNS Problem
Practical Lab

বাস্তব Network Fault তৈরি করে শিক্ষার্থীদের দিয়ে Troubleshooting করানো।

MODULE 16 — Cisco Packet Tracer Practical
Lesson 60 — Packet Tracer Introduction
Interface
Devices
Connections
Simulation Mode
Lesson 61 — Basic LAN
PC
Switch
IP Configuration
Ping Test
Lesson 62 — Multiple LAN
Multiple Switch
Router
Different Networks
Lesson 63 — VLAN Network
Multiple VLAN
Trunk
Inter-VLAN Routing
Lesson 64 — Routing Network
Static Routing
Default Routing
OSPF
Lesson 65 — Complete Enterprise Network

একটি বাস্তব অফিস Network Design:

Internet → Router → Firewall → Core Switch → Access Switch → PCs / Servers / Wi-Fi

MODULE 17 — CCNA Practical Projects
Project 01 — Small Office Network

Design:

1 Router
2 Switch
10 PCs
1 Server
1 Wireless Access Point

Tasks:

IP Addressing
DHCP
VLAN
Routing
Internet Connectivity
Project 02 — Multi-Department Network

Departments:

Administration
Accounts
HR
IT

Tasks:

Separate VLAN
IP Address Planning
Inter-VLAN Routing
DHCP
Basic Security
Project 03 — Enterprise Network

Students will design and configure a complete network including:

Router
Switch
VLAN
Trunk
Inter-VLAN Routing
DHCP
DNS concept
NAT
OSPF
Wireless
Basic Security
Troubleshooting
🧪 Practical Lab Checklist

প্রশিক্ষণ শেষে শিক্ষার্থীকে হাতে-কলমে করতে হবে:

☑ PC Assemble/Disassemble
☑ RAM/SSD Installation
☑ BIOS/UEFI Configuration
☑ Windows Installation
☑ Driver Installation
☑ Hardware Troubleshooting
☑ RJ45 Cable Making
☑ Cable Testing
☑ IP Configuration
☑ Subnetting
☑ Router Configuration
☑ Switch Configuration
☑ VLAN Configuration
☑ Trunk Configuration
☑ Inter-VLAN Routing
☑ Static Routing
☑ OSPF
☑ DHCP
☑ NAT/PAT
☑ Wireless Configuration
☑ Network Troubleshooting
☑ Cisco Packet Tracer Projects

📝 Assessment System
Assessment Marks
Hardware Practical 15
Networking Practical 20
Cisco Configuration 20
Subnetting & IP Addressing 10
Troubleshooting 15
Project 10
Viva 10
Total 100
🏆 Course Completion Skills

কোর্স শেষে শিক্ষার্থী Junior Hardware Technician, Computer Support Technician, IT Support Assistant, Network Support Technician বা Junior Network Administrator ধরনের entry-level কাজের জন্য প্রয়োজনীয় ভিত্তি তৈরি করতে পারবে।