This course provides essential skills in network security, troubleshooting, and preparation for certification exams. You will gain a deep understanding of core networking services, security practices, common network attacks, and effective defense strategies. By the end, you'll be well-prepared to handle network issues and ensure secure operations in diverse network environments.
Network Security, Troubleshooting, & Certification Prep
Network Security, Troubleshooting, & Certification Prep
This course is part of CompTIA Network+ (N10-009) Crash Course Specialization
Instructor: Packt - Course Instructors
Included with 
Gain insight into a topic and learn the fundamentals.
Intermediate level
Recommended experience
6 hours to complete
3 weeks at 2 hours a week
Flexible schedule
Learn at your own pace
Earn a Certificate
With paid plans
What you'll learn
Gain proficiency in troubleshooting network issues with a structured methodology.
Master network security fundamentals, including encryption and access management.
Identify and mitigate common network attacks like DoS, ARP poisoning, and DNS spoofing.
Learn effective strategies for exam preparation and practical applications in network security.
Skills you'll gain
- Firewall
- Hardening
- Local Area Networks
- Network Protocols
- Network Administration
- Encryption
- Authentications
- Network Security
- Intrusion Detection and Prevention
- Network Infrastructure
- Information Systems Security
- Networking Hardware
- Network Troubleshooting
- Network Monitoring
- Identity and Access Management
- Cybersecurity
- Threat Modeling
- General Networking
- Virtual Local Area Network (VLAN)
- Distributed Denial-Of-Service (DDoS) Attacks
Details to know
Shareable certificate
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Recently updated!
May 2025
Assessments
7 assignments
Taught in English
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This course is part of the CompTIA Network+ (N10-009) Crash Course Specialization
When you enroll in this course, you'll also be enrolled in this Specialization.
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There are 7 modules in this course
In this module, we will cover essential network services like DNS, NTP, and PTP, and explore how time synchronization and hostname resolution contribute to network stability and security.
What's included
5 videos2 readings1 assignment
In this module, we will introduce the fundamentals of network security, from encryption and authentication to physical security and IAM systems, ensuring a well-rounded understanding of securing your network.
What's included
8 videos1 assignment
In this module, we will dive into common network attacks, explaining their methods and showing you how to prevent or mitigate these threats to safeguard your network infrastructure.
What's included
6 videos1 assignment
In this module, we will cover essential network defense strategies, including hardening devices, managing encryption keys, and using honeypots to protect your network from potential threats.
What's included
5 videos1 assignment
In this module, we will walk you through troubleshooting methodologies and tools, helping you effectively diagnose and resolve network issues, from hardware to wireless problems.
What's included
12 videos1 assignment
In this module, we will provide practical study tips and guidance for preparing for the Network+ exam, along with advice on how to approach the exam day with a calm and focused mindset.
What's included
2 videos1 assignment
In this module, we will congratulate you on completing the course and provide direction for your next steps as you continue to build your skills and progress in your networking career.
What's included
1 video1 reading1 assignment
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Frequently asked questions
Yes, you can preview the first video and view the syllabus before you enroll. You must purchase the course to access content not included in the preview.
If you decide to enroll in the course before the session start date, you will have access to all of the lecture videos and readings for the course. You’ll be able to submit assignments once the session starts.
Once you enroll and your session begins, you will have access to all videos and other resources, including reading items and the course discussion forum. You’ll be able to view and submit practice assessments, and complete required graded assignments to earn a grade and a Course Certificate.
More questions
Financial aid available,