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Course Content
Detailed Content of Network Security
0/1
Network Security Syllabus for Diploma
00:00
Network Security
0/12
Introduction
00:00
Need For Securing a Network
00:00
Threats and Countermeasures
00:00
Principle of Security
00:00
Types of Network Attacks
00:00
Introduction To Cyber Crime
00:00
Cyber Law Indian Perspective (IT ACT 2000)
00:00
Need And Advantage of Cyber Law
00:00
Cyber Ethics
00:00
WHAT IS HACKING
00:00
Types of Hackers
00:00
Ethical Hacking
00:00
Securing data over internet
0/14
Introduction
00:00
Introduction To Cryptography
00:00
Public key Cryptography
00:00
Digital Signatures
00:00
Authentication In Public-Key Systems
00:00
Data Encryption Standards (DES)
00:00
RSA Encryption
00:00
PGP Encryption
00:00
Introduction To MD5
00:00
Overview Of SSL Encryption
00:00
Introduction To SSH
00:00
HTTPS
00:00
Digital Certificates
00:00
IPSEC
00:00
Viruses, Worms and Trojans
0/8
Introduction to Virus
00:00
Types of Viruses
00:00
Preventive Measures:
00:00
Access Control
00:00
CHECKSUM
00:00
Virus Scanner
00:00
HEURISTIC SCAN
00:00
Virus Protection
00:00
Firewalls
0/5
Introduction
00:00
How Firewall Work
00:00
Types Of Firewall
00:00
Firewall Configuration
00:00
Limitation of Firewall
00:00
Intrusion Detection Systems
0/7
Introduction
00:00
IDS Overview
00:00
Why We Need IDS
00:00
Types of IDS
00:00
TEARDROP ATTACK
00:00
DENIAL-OF-SERVICE ATTACK
00:00
Counter Measures
00:00
Handling Cyber Assets
0/6
Introduction
00:00
Importance Of Cyber Security
00:00
Unprotected Computer
00:00
Objectives Of a Cyber Security Programs
00:00
Configuration Policy As Per Standards
00:00
Disposable Policy
00:00
Virtual Private Network
0/11
Introduction
00:00
How VPN Work
00:00
Implementing VPN
00:00
Types Of VPN
00:00
Categories of VPN
00:00
Requirements for VPN’s
00:00
Advantages And Disadvantages of VPN
00:00
VPN Technologies
00:00
Configuration of VPN Networks
00:00
Internet Key Exchange
00:00
Security Policy
00:00
Disaster and Recovery
0/13
Introduction to Disaster
00:00
Categories of Disaster
00:00
Disaster Recovery
00:00
Network Disaster
00:00
Topology Failure:
00:00
Modem Failure and DSL Fault
00:00
Single Point Of Failure (SPOF)
00:00
UPS
00:00
RAID
00:00
CLUSTERING
00:00
BACKUPS
00:00
Types of Backups
00:00
Data Recovery
00:00
Network Security
About Lesson

RAID:

RAID, which stands for Redundant Array of Independent Disks, is a data storage technology that combines multiple physical disk drives into a single logical unit for the purposes of data redundancy, performance improvement, or both. RAID configurations are commonly used in servers, storage systems, and enterprise environments to enhance data reliability and availability. There are several RAID levels, each offering different levels of redundancy and performance:

Levels Of RAID:

RAID (Redundant Array of Independent Disks) offers various levels, each with its own configuration, advantages, and disadvantages. Here are some common RAID levels:

  1. RAID 0 (Striping): Provides improved performance by striping data across multiple disks without redundancy. It offers increased read/write speeds but no fault tolerance. If one drive fails, all data is lost.
  2. RAID 1 (Mirroring): Mirrors data across two or more disks to provide redundancy. While it offers excellent fault tolerance as data is duplicated, it does not improve performance and reduces usable storage capacity by half.
  3. RAID 5 (Striping with Distributed Parity): Distributes data and parity information across multiple disks. Provides a balance between performance and redundancy, with improved read performance and fault tolerance for a single drive failure.
  4. RAID 6 (Striping with Dual Parity): Similar to RAID 5 but with dual parity, allowing for the simultaneous failure of two drives without data loss. Offers higher fault tolerance than RAID 5 but requires more storage overhead.
  5. RAID 10 (Mirrored Striping): Combines mirroring and striping by creating mirrored sets of striped disks. Provides both high performance and fault tolerance, with data redundancy and improved read/write speeds.
  6. RAID 50 and RAID 60: These are combinations of RAID 5 and RAID 0 (for RAID 50) or RAID 6 and RAID 0 (for RAID 60). They offer improved performance and fault tolerance by striping data across multiple RAID 5 or RAID 6 arrays.
  7. RAID 1+0 (or RAID 10): Often confused with RAID 10, RAID 1+0 involves mirroring first and then striping the mirrored sets. It offers high performance and fault tolerance but requires more drives.
  8. RAID 0+1 (or RAID 01): Opposite of RAID 1+0, RAID 0+1 involves striping first and then mirroring the striped sets. Also provides high performance and fault tolerance but requires more drives.

Each RAID level has its own trade-offs in terms of performance, redundancy, and cost, so the choice depends on the specific requirements of the application or organization. Some RAID levels are better suited for performance-intensive environments, while others prioritize data protection and fault tolerance.

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