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Master Certificate in Troubleshooting DNS with UTL\_INADDR.GET\_HOST\_NAME
-- viewing nowThe Professional Certificate in Troubleshooting DNS with UTL_INADDR.GET_HOST_NAME is a comprehensive master programme comprising 30 units designed to address critical industry demands for robust network infrastructure expertise.
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Course Details
- Introduction to DNS Architecture and Resolution
- Understanding Domain Name Hierarchy
- Root Servers and TLD Infrastructure
- Authoritative vs Recursive Resolvers
- DNS Record Types: A, AAAA, and CNAME
- Mail Exchange and TXT Records
- NS Records and Zone Delegation
- SOA Records and Zone Transfers
- DNS Query Lifecycle Analysis
- Iterative vs Recursive Query Mechanics
- DNS Caching Strategies and TTL
- Cache Poisoning and Security Risks
- DNSSEC Fundamentals and Validation
- Configuring BIND DNS Servers
- Windows DNS Server Management
- Diagnosing Connectivity with nslookup
- Advanced Diagnostics with dig and drill
- Using host and ping for Basic Checks
- Implementing UTL_INADDR.GET_HOST_NAME
- Oracle Network Configuration Files
- TNSNAMES.ORA Structure and Syntax
- HOSTNAME Resolution in Oracle Environments
- Resolving UTL_INADDR.GET_HOST_NAME Failures
- Firewall Rules and DNS Port 53
- Split-Horizon DNS Configurations
- Internal vs External DNS Zones
- DNS Load Balancing Techniques
- Geo-DNS and Traffic Management
- Debugging Complex Resolution Loops
- Performance Optimization for DNS Servers
Career Path
The Professional Certificate in Troubleshooting DNS with UTL_INADDR.GET_HOST_NAME provides specialized skills highly valued in the UK technology sector.
Graduates typically transition into roles requiring deep network diagnostics and system administration capabilities.
Network Infrastructure Engineer (35%) - Focuses on designing and maintaining robust network architectures with advanced DNS resolution capabilities.
Systems Administrator (25%) - Manages server environments, ensuring optimal performance and troubleshooting connectivity issues.
Cloud Operations Specialist (22%) - Specializes in cloud-based DNS services and hybrid cloud infrastructure management.
DevOps Engineer (18%) - Integrates DNS troubleshooting into CI/CD pipelines and automates network configuration management.
Entry Requirements
- Basic understanding of the subject matter
- Proficiency in English language
- Computer and internet access
- Basic computer skills
- Dedication to complete the course
No prior formal qualifications required. Course designed for accessibility.
Course Status
This course provides practical knowledge and skills for professional development. It is:
- Not accredited by a recognized body
- Not regulated by an authorized institution
- Complementary to formal qualifications
You'll receive a certificate of completion upon successfully finishing the course.
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