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Betty DuBois

Billions of number sets are impossible to remember, that's why DNS is critical to internal networks and the Internet. This course will teach you how DNS works from configuration to security. Packets will be analyzed with Wireshark at every step.

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Billions of number sets are impossible to remember, that's why DNS is critical to internal networks and the Internet. This course will teach you how DNS works from configuration to security. Packets will be analyzed with Wireshark at every step.

Almost every application depends on DNS name resolution. Users just don’t want to memorize or lookup an IP address. In this course, Protocol Deep Dive: DNS, you’ll learn to use DNS in a variety of scenarios. First, you’ll explore DNS terminology and use cases. Next, you’ll discover how to configure DNS on a client for privacy using DNS over TLS and DNS over HTTPS. Then, you’ll investigate the different types of DNS zones, record and server types, and see subdomains and redirects in action to better understand their effect on a company. Finally, you’ll learn how to troubleshoot and secure DNS. When you’re finished with this course, you’ll have the skills and knowledge needed to manage, troubleshoot, and secure DNS.

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What's inside

Syllabus

Course Overview
Exploring DNS Terminology and Use Cases
Configuring DNS for Clients
Modifying DNS Configuration for Servers
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Troubleshooting DNS
Securing DNS

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Suitable for individuals seeking a solid introduction to DNS
Emphasizes real-world application with Wireshark analysis
Betty DuBois's expertise in DNS provides valuable insights
Covers both client and server DNS configuration
Provides a comprehensive understanding of DNS terminology and use cases
Examines DNS security, a crucial aspect in today's digital landscape

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Protocol Deep Dive: DNS with these activities:
Read 'DNS and BIND' by Paul Albitz and Cricket Liu
Expand knowledge of DNS by reviewing a comprehensive book, gaining in-depth understanding of the subject.
Show steps
  • Acquire the book
  • Read selected chapters
  • Take notes or summarize key concepts
Complete DNS configuration exercises
Reinforce understanding of DNS configuration concepts by practicing hands-on exercises, improving practical skills.
Show steps
  • Set up a test environment
  • Configure DNS settings for a client
  • Configure DNS settings for a server
Practice DNS troubleshooting using Wireshark
Develop practical skills in DNS troubleshooting by analyzing packets with Wireshark, as covered in the course.
Browse courses on DNS Troubleshooting
Show steps
  • Install Wireshark
  • Learn Wireshark basics
  • Follow Wireshark tutorials for DNS
  • Analyze network traffic
Show all three activities

Career center

Learners who complete Protocol Deep Dive: DNS will develop knowledge and skills that may be useful to these careers:
Network Administrator
A Network Administrator is responsible for the day-to-day operations of a company’s computer network. They install, maintain, and troubleshoot network systems, including servers, routers, and firewalls. The course, 'Protocol Deep Dive: DNS' would be a suitable choice for a prospective Network Administrator, because so much of network administration is based on understanding how DNS works.
Computer and Information Systems Manager
Computer and Information Systems Managers are responsible for planning and directing the implementation of computer and information systems within an organization. They also oversee the operation of these systems and ensure that they are running smoothly and efficiently. The course, 'Protocol Deep Dive: DNS' would be a suitable choice for a prospective Computer and Information Systems Manager, because it would help them to understand the fundamentals of DNS, which is a critical component of any computer network.
Information Security Analyst
Information Security Analysts plan and implement security measures to protect an organization's computer networks and systems. They also monitor and analyze security logs and data to identify and mitigate threats. The course, 'Protocol Deep Dive: DNS' would be a suitable choice for a prospective Information Security Analyst, because it would give them a strong understanding of how DNS works, which is a common target for cyberattacks.
Computer Network Architect
Computer Network Architects design and implement computer networks for organizations. They also manage and maintain these networks, ensuring that they are running smoothly and efficiently. The course, 'Protocol Deep Dive: DNS' would be a suitable choice for a prospective Computer Network Architect, because it would give them a strong understanding of how DNS works, which is a critical component of any computer network.
Cloud Engineer
Cloud Engineers design, build, and maintain cloud-based systems. They also manage and optimize these systems, ensuring that they are running smoothly and efficiently. The course, 'Protocol Deep Dive: DNS' would be a suitable choice for a prospective Cloud Engineer, because it would give them a strong understanding of how DNS works, which is a critical component of any cloud-based system.
Network Engineer
Network Engineers design, build, and maintain computer networks. They also manage and troubleshoot these networks, ensuring that they are running smoothly and efficiently. The course, 'Protocol Deep Dive: DNS' would be a suitable choice for a prospective Network Engineer, because it would give them a strong understanding of how DNS works, which is a critical component of any computer network.
Systems Administrator
Systems Administrators are responsible for the day-to-day operations of an organization's computer systems. They install, maintain, and troubleshoot these systems, ensuring that they are running smoothly and efficiently. The course, 'Protocol Deep Dive: DNS' would be a suitable choice for a prospective Systems Administrator, because it would give them a strong understanding of how DNS works, which is a critical component of any computer system.
Database Administrator
Database Administrators are responsible for the day-to-day operations of an organization's database systems. They install, maintain, and troubleshoot these systems, ensuring that they are running smoothly and efficiently. The course, 'Protocol Deep Dive: DNS' may be useful for a prospective Database Administrator, because it would give them a basic understanding of how DNS works, which is a critical component of any database system.
Software Engineer
Software Engineers design, develop, and test computer software. They also maintain and update existing software. The course, 'Protocol Deep Dive: DNS' may be useful for a prospective Software Engineer, because it would give them a basic understanding of how DNS works, which is a critical component of any software application.
Web Developer
Web Developers design, develop, and maintain websites. They also work on the back-end of websites, ensuring that they are running smoothly and efficiently. The course, 'Protocol Deep Dive: DNS' may be useful for a prospective Web Developer, because it would give them a basic understanding of how DNS works, which is a critical component of any website.
IT Support Specialist
IT Support Specialists provide technical support to users of computer systems. They troubleshoot and resolve problems, and provide training on new software and hardware. The course, 'Protocol Deep Dive: DNS' may be useful for a prospective IT Support Specialist, because it would give them a basic understanding of how DNS works, which is a common source of problems for computer users.
Cybersecurity Analyst
Cybersecurity Analysts protect an organization's computer systems and networks from cyberattacks. They also investigate and respond to security breaches. The course, 'Protocol Deep Dive: DNS' may be useful for a prospective Cybersecurity Analyst, because it would give them a basic understanding of how DNS works, which is a common target for cyberattacks.
IT Auditor
IT Auditors evaluate the security of an organization's computer systems and networks. They also make recommendations for improvements to security. The course, 'Protocol Deep Dive: DNS' may be useful for a prospective IT Auditor, because it would give them a basic understanding of how DNS works, which is a common target for cyberattacks.
Information Technology Manager
Information Technology Managers plan and direct the implementation of computer and information systems within an organization. They also oversee the operation of these systems and ensure that they are running smoothly and efficiently. The course, 'Protocol Deep Dive: DNS' may be useful for a prospective Information Technology Manager, because it would give them a basic understanding of how DNS works, which is a critical component of any computer network.
Computer Programmer
Computer Programmers write and maintain computer programs. They also work on the back-end of websites, ensuring that they are running smoothly and efficiently. The course, 'Protocol Deep Dive: DNS' may be useful for a prospective Computer Programmer, because it would give them a basic understanding of how DNS works, which is a critical component of any software application.

Reading list

We've selected six books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Protocol Deep Dive: DNS.

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