1247 Courses

Linux engineer certification training course description LPIC-2 is the second certification in LPI's multi level professional certification program. This course teaches the skills necessary to pass the LPI 201 exam; the first of two LPIC-2 exams. Specifically, the course covers the administration of Linux systems in small to medium sized mixed networks. What will you learn Perform advanced administration tasks. Perform advanced file system administration. Linux engineer certification training course details Who will benefit: Linux administrators. Prerequisites: Linux system administration (LPIC-1) Duration 5 days Linux engineer certification fundamentals training course contents Part I The LPI 201 Exam Starting a System The Linux Boot Process, Firmware Startup, BIOS Startup, UEFI Startup, Linux Bootloaders, GRUB Legacy, GRUB 2, Alternative Bootloaders, Secure Bootloaders, Process Initialization, SysV Method, systemd Method, Upstart Method, System Recovery, Kernel Failures, Root Drive Failure. Maintaining the System Fluid Messaging, Static Messaging, System backups, Backup Strategies, Performing Backups, Installing Programs from Source, Obtaining and unpacking Installation Files, Compiling Programs, Resource Usage: Managing, measuring, predicting and troubleshooting. Mastering the Kernel What Is the Kernel? Kernel Features, Parts of the Kernel, Kernel Versions, Obtaining Source Code, Creating the Configuration File, Compiling and Installing the Kernel, Compiling and Installing Modules, Creating an Initial RAM Disk, Booting the New Kernel, Creating a Kernel Package, Maintaining the Kernel, Working with Module Files, Module Commands, Working with Hardware, Automatically Detecting Hardware, Troubleshooting the Kernel. Managing the Filesystem The Linux Filesystem, Filesystem Structures, Filesystem Types, Making Filesystems, Attaching Filesystems, Memory-Based Linux Filesystems, the Btrfs Filesystem, Btrfs Subvolumes, Btrfs Snapshots, Optical Filesystems, Swap Filesystems, Network-Based Filesystems, Auto-Mounting, Encrypted Filesystems, Maintaining Linux Filesystems, Adjusting a Filesystem, Checking and Repairing a Filesystem, SMART. Administering Advanced Storage Devices Configuring RAID, Implementing RAID on Linux, Managing a RAID Array, Adjusting Storage Devices, Looking at Drive Interface Concepts, Testing and Tuning Drives, Implementing iSCSI, Managing Logical Volumes, LVM, Creating Logical Volumes, Supporting Logical Volumes, Understanding the Device Mapper. Navigating Network Services Networking Basics, The Physical Layer, The Network Layer, The Transport Layer, The Application Layer, Configuring Network Features, Network Configuration Files, Graphical Tools, Command-Line Tools, Basic Network Troubleshooting, Checking the Log Files, the ARP Cache, Sending Test Packets, Testing Network Routes, Testing Client/Server Connectivity, Finding Host Information, Network Security, Advanced Network Troubleshooting, Viewing Open Network Connections, Viewing Network Statistics, Scanning the Network, Capturing Network Traffic.

Duration 3 Days 18 CPD hours This course is intended for Security Engineers, Security Administrators, Security Operations Specialists, Security Analysts, Network Engineers, and Support Staff Overview The Palo Alto Networks Firewall 11.0: Troubleshooting course is three days of instructor-led training that will help you: Investigate networking issues using firewall tools including the CLI Follow proven troubleshooting methodologies specific to individual features Analyze advanced logs to resolve various real-life scenarios Solve advanced, scenario-based challenges Palo Alto Networks next-generation firewalls are architected to safely enable applications and prevent modern threats. Their approach identifies all network traffic based on applications, users, content and devices, and lets you express your business policies in the form of easy-to-understand security rules. Flexible deployment options and native integration with their next-generation security platform extend the policy enforcement and cyberthreat prevention to everywhere your users and data are located: in your network, on your endpoints and in the cloud. Course Outline Module 1 - Tools and Resources Module 2 - CLI Primer Module 3 - Flow Logic Module 4 - Packet Captures Module 5 - Packet-Diagnostics Logs Module 6 - Host-Inbound Traffic Module 7 - Transit Traffic Module 8 - System Services Module 9 - Certificate Management and SSL Decryption Module 10 - User-ID Module 11 - GlobalProtect Module 12 - Support Escalation and RMAs Module 13 - Next Steps

Duration 5 Days 30 CPD hours This course is intended for If you are getting ready for a career as an entry-level information technology (IT) professional or personal computer (PC) service technician, the CompTIA© A+© Certification course is the first step in your preparation. Overview In this course, you will install, configure, optimize, troubleshoot, repair, upgrade, and perform preventive maintenance on personal computers, digital devices, and operating systems. You will:Identify the hardware components of personal computers and mobile digital devices.Identify the basic components and functions of operating systems.Identify networking and security fundamentals.Identify the operational procedures that should be followed by professional PC technicians.Install, configure, and troubleshoot display devices.Install and configure peripheral components.Manage system components.Manage data storage.Install and configure Microsoft Windows.Optimize and maintain Microsoft Windows.Work with other operating systems.Identify the hardware and software requirements for client environment configurations.Identify network technologies.Install and configure networking capabilities.Support mobile digital devices.Support printers and multifunction devices.Identify security threats, vulnerabilities, and controls.Implement security controls.Troubleshoot system-wide issues. In this course, you will acquire the essential skills and information you will need to install, upgrade, repair, configure, troubleshoot, optimize, and perform preventative maintenance of basic personal computer hardware and operating systems. Hardware Fundamentals Topic A: Personal Computer Components Topic B: Storage Devices Topic C: Mobile Digital Devices Topic D: Connection Interfaces Operating System Fundamentals Topic A: PC and Mobile Operating Systems Topic B: PC Operating System Tools and Utilities Networking & Security Fundamentals Topic A: Network Types Topic B: Network Components Topic C: Common Network Services Topic D: Cloud Concepts Topic E: Security Fundamentals Safety & Operational Procedures Topic A: Basic Maintenance Tools and Techniques Topic B: Personal and Electrical Safety Topic C: Environmental Safety and Materials Handling Topic D: Professionalism and Communication Topic E: Organizational Policies and Procedures Topic F: Troubleshooting Theory Supporting Display Devices Topic A: Install Display Devices Topic B: Configure Display Devices Topic C: Troubleshoot Video and Display Devices Installing & Configuring Peripheral Components Topic A: Install and Configure Input Devices Topic B: Install and Configure Output Devices Topic C: Install and Configure Input/Output Devices Topic D: Install and Configure Expansion Cards Managing System Components Topic A: Identify Motherboard Components and Features Topic B: Install and Configure CPUs and Cooling Systems Topic C: Install Power Supplies Topic D: Troubleshoot System Components Managing Data Storage Topic A: Identify RAM Types and Features Topic B: Troubleshoot RAM Issues Topic C: Install and Configure Storage Devices Topic D: Configure the System Firmware Topic E: Troubleshoot Hard Drives and RAID Arrays Installing & Configuring Microsoft Windows Topic A: Implement Client-Side Virtualization Topic B: Install Microsoft Windows Topic C: Use Microsoft Windows Topic D: Configure Microsoft Windows Topic E: Upgrade Microsoft Windows Optimizing & Maintaining Microsoft Windows Topic A: Optimize Microsoft Windows Topic B: Back Up and Restore System Data Topic C: Perform Disk Maintenance Topic D: Update Software Working with Other Operating Systems Topic A: The OS X Operating System Topic B: The Linux Operating System Customized Client Enviroments Topic A: Types of Common Business Clients Topic B: Custom Client Environments Networking Technologies Topic A: TCP/IP Properties and Characteristics Topic B: TCP/IP Topic C: Internet Connections Topic D: Ports and Protocols Topic E: Networking Tools Installing & Configuring Networking Capabilities Topic A: Configure Basic Windows Networking Topic B: Configure Network Perimeters Topic C: Using Windows Networking Features Topic D: Install and Configure SOHO Networks Supporting Mobile Digital Devices Topic A: Install and Configure Exterior Laptop Components Topic B: Install and Configure Interior Laptop Components Topic C: Other Mobile Devices Topic D: Mobile Device Accessories and Ports Topic E: Mobile Device Connectivity Topic F: Mobile Device Synchronization Topic G: Troubleshoot Mobile Device Hardware Supporting Printers & Multifunction Devices Topic A: Printer and Multifunction Technologies Topic B: Install and Configure Printers Topic C: Maintain Printers Topic D: Troubleshoot Printers Security Threats, Vulnerabilities, and Controls Topic A: Common Security Threats and Vulnerabilities Topic B: General Security Controls Topic C: Mobile Security Controls Topic D: Data Destruction and Disposal Methods Implementing Security Controls Topic A: Secure Operating Systems Topic B: Secure Workstations Topic C: Secure SOHO Networks Topic D: Secure Mobile Devices Troubleshooting System-Wide Issues Topic A: Troubleshoot PC Operating Systems Topic B: Troubleshoot Mobile Device Operating Systems and Applications Topic C: Troubleshoot Wired and Wireless Networks Topic D: Troubleshoot Common Security Issues Additional course details: Nexus Humans Managing and Troubleshooting PCs - Part 2 training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward. This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts. Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success. While we feel this is the best course for the Managing and Troubleshooting PCs - Part 2 course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you. Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

Concise Cisco switches course description A hands on course covering the product specifics of Cisco switches. Installation, configuration, maintenance and troubleshooting are all covered in a practical oriented way. VLANs often take up a large part of the course. The course covers all interfaces but concentrates on using the command line interface. Delegates are, however, free to use the web based interface in all exercises. What will you learn Install Cisco switches. Use the command line interface and the web based interface to manage Cisco switches. Configure and troubleshoot Cisco switches. Perform software upgrades and maintain configurations using TFTP. Concise Cisco switches course details Who will benefit: Anyone working with Cisco switches. Particularly aimed at engineers and technicians supporting Cisco switches. Prerequisites: None. Duration 2 days Concise Cisco switches course content Ethernet review Single segment Ethernet, CSMA/CD, Broadcast domains, collision domains. Hubs, Extending the LAN. Hands on Hub based Ethernet. Cisco switches What are switches, frame forwarding and filtering, the forwarding database. Hands on Switched based Ethernet. Configuring Cisco switches Accessing the switch, installing the switch, The CLI, connecting PCs using the switch. Hands on Configuring Cisco switches. The command line interface User and privilege modes, online help, show, basic troubleshooting. The configuration editor, Global, major and sub commands, enable, secret and other passwords. Hands on Simple troubleshooting using the CLI. Port configuration Speed, duplex, security, trunking. Hands on Port trunking. Spanning Tree Protocol Spanning Tree, Loops, effect, root bridges, bridge port states, STP reconfiguration. RSTP and variants. Hands on STP. VLANS What are VLANs, configuring VLANs, access ports and trunks, 802.1Q, inter VLAN routing. Hands on Access ports, trunks, layer 3 switching. Housekeeping Configuration management, software management, password recovery. Hands on TFTP. Managing interconnection devices SNMP, RMON, RMON II. Troubleshooting LEDs, CDP, logging, Layer 1, layer 2, layer 3. Hands on Fixing things.

Samba training course description Samba enables UNIX/Linux machines to act as Microsoft File and Print servers. This two day hands on training course progresses from the basics of installing samba and simple configurations through to authentication issues and troubleshooting. What will you learn Install and configure Samba. Administrate file and printer sharing. Secure Samba servers. Troubleshoot Samba Samba training course details Who will benefit: Technical staff working with Samba. Prerequisites: Intro to UNIX Systems Administration TCP/IP Foundation. Duration 2 days Samba training course contents What is Samba? File and print servers, Samba server roles, Windows networking, NetBIOS, SMB. Hands on Microsoft File and Print shares, analysing the network traffic. Installing Samba Source, binaries, where to find samba, building and compiling Samba. Hands on Download and install Samba. Controlling Samba Samba daemons, starting and stopping Samba, smbcontrol, Samba net command, smb.conf. Viewing Samba status, smbclient. Hands on Starting and stopping Samba, testing the server. Samba configuration Simple shares, smb.conf variables, configuration from a web browser, swat, enabling access to swat. Hands on Configuring samba servers and clients. File sharing Basic shares, [homes], locking options, UNIX file permissions, controlling user access, Windows ACLs, virtual samba servers, browsing. Hands on File sharing and browsing. Print sharing Sharing printers, UNIX printing, CUPS, printer drivers, [printers], PRINT$. Hands on Samba print server. Authentication Workgroups, domains, users and passwords, Samba domain security, Samba password backends: smbpasswd, tdbsam, nisplus, mysql, Active Directory. Hands on Securing samba shares. Troubleshooting Logging options, controlling logs, Samba utilities, network protocols, .SMB/CIFS. Performance tuning. Hands on Troubleshooting Samba

Duration 5 Days 30 CPD hours This course is intended for Experienced system administrators and system integrators responsible for using the advanced features of vRealize Automation in enterprise deployments. Overview By the end of the course, you should be able to meet the following objectives Describe and configure the vRealize Automation in a clustered enterprise deployment using VMware vRealize Suite Lifecycle Manager™ Scale VMware Identity Manager™ to support High Availability. Configure security certificates in vRealize Automation from external Certificate Authorities. Describe the clustered deployment architecture, including Kubernetes pods and services. Create and configure advanced blueprints with complex YAML and cloudConfig. Use vRealize Automation advanced blueprints to deploy an actual 2-tier DB-Server using MySQL and phpMyAdmin. Practice troubleshooting techniques with advanced YAML blueprints in vRealize Automation. Use advanced VMware NSX-TTM Data Center networking features including NAT, routed networks, load balancers, security groups, and tags. Use VMware Code Stream™ to integrate vRealize Automation with Kubernetes. Create Code Stream pipelines. Create and use Ansible playbooks that integrate with vRealize Automation. Configure vRealize Automation to integrate with Puppet. Configure and use ABX actions to create day-2 actions and interface with PowerShell scripts. Use vracli commands, log files, and VMware vRealize Log Insight™ to troubleshoot vRealize Automation and vRealize Automation deployments. This five-day course is a follow-on to the VMware vRealize© Automation? Install, Configure, Manage course. In this course you go deeper into the advanced features of vRealize Automation to deploy user systems and interface vRealize Automation with other platforms and you learn how to deploy an enterprise-level cluster environment using LCM. This course relies heavily on hands-on labs. Course Introduction Introductions and course logistics Course objectives vRealize Automation Clustered Deployment Use LCM in a clustered deployment Configure External Certificates Configure NSX-T Data Center load balancer Install vRealize Automation using Clustered Deployment Scale VMware Identity Manager to support High Availability vRealize Automation Clustered Deployment Architecture List of Kubernetes Pods The vRealize Automation Kubernetes Architecture Relationship of Kubernetes Pods to Services Logs and their locations Blueprint deployment workflow with Kubernetes Service interaction Backup strategies and potential problems Advanced Blueprints Use advanced YAML and cloudConfig to deploy a functioning 2-tier application with a phpMyAdmin front-end server and a MySQL database server Use troubleshooting techniques to debug problems in advanced YAML blueprints List the log files that can aid in troubleshooting blueprint deployment Advanced Networking Use VMware NSX-T Data Center advanced features in blueprints Interfacing to IPAMs Use NSX-T Data Center NAT in blueprints Use NSX-T Data Center routed networks Use NSX-T Data Center load balancers Use NSX-T Data Center security groups Use tags with NSX-T Data Center network profiles Using vRealize Orchestrator Create Day-2 Actions with vRealize Orchestrator workflows Troubleshoot vRealize Orchestrator cluster issues Use vRealize Orchestrator to add computer objects to Active Directory when vRealize Automation deploys blueprints Use a tagging approach to vRealize Orchestrator workflows Use dynamic forms with vRealize Orchestrator Using ABX Actions Determine when to use ABX and when to use vRealize Orchestrator Use ABX to create day-2 Actions Call PowerShell from ABX Kubernetes Integration Create a Kubernetes namespace from vRealize Automation Connect to an existing Kubernetes cluster Automate the deployment of an application to a Kubernetes cluster with Code Stream Use Kubernetes in Extensibility Code Stream Create and use CI/CD pipelines Use the Code Stream user interface Add states and tasks to a Code Stream pipeline Integrate code from Code Stream with Git Using GitLab Integration Configure the GitLab Integration Use Gitlab with blueprints Configuration Management Describe the use case of Ansible and Ansible Tower Connect to Ansible Tower Use Ansible playbooks Use Puppet in configuration management Troubleshooting vracli commands and when to use them Check the status of Kubernetes pods and services Correct the state of pods and services Diagnose and solve vRealize Automation infrastructure problems Diagnose and solve vRealize Automation failures to deploy blueprints and services Use vRealize Log Insight for troubleshooting Additional course details:Notes Delivery by TDSynex, Exit Certified and New Horizons an VMware Authorised Training Centre (VATC) Nexus Humans VMware vRealize Automation: Advanced Features and Troubleshooting [v8.x] training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward. This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts. Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success. While we feel this is the best course for the VMware vRealize Automation: Advanced Features and Troubleshooting [v8.x] course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you. Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

Advanced HP switches training course description A hands on course covering advanced features of HP switches. The focus of the course is on Layer 3 switching advanced features. Delegates will benefit the most from this course if they can supply us with their own configurations before the course. These configurations can then be used by the trainer in the course. What will you learn Configure and troubleshoot HP layer 3 switching. Configure and troubleshoot OSPF Harden HP switches. Explain the majority of their own configurations (if configurations are supplied to us before the course). Advanced HP switches training course details Who will benefit: Technical staff working with HP switches. Prerequisites: HP switches for engineers. Duration 2 days Advanced HP switches training course content Introduction VLAN review. Tagged and untagged ports. MSTP, PVST, UDLD, BPDU guard. Hands on VLANs, diagnostic tools debug, LLDP, remote port mirroring. L3 switching What are L3 switches? L3 lite, IPv4 and IPv6, routing protocols, routing tables. IP address on VLAN, no ip address on VLAN, connected interfaces, RIP. Hands on Routing between VLANs. Configuring and troubleshooting RIP. VRRP Default gateways, dead router detection, resilience. Hands on Configuring and troubleshooting VRRP. Static routes Why use static routes? Configuring static routes, default routes. OSPF Link state protocols, operation. Router types, LSA types, area 0. Hands on Configuring and troubleshooting OSPF. QoS Layer 2 QoS, 802.1Q, priorities, dscp mapping, rate limiting. Access lists Filtering traffic through the switch, controlling access to the switch, enabling and disabling ACLs, standard ACLs, extended ACLs Security DHCP snooping, ARP protection, STP guards, switch hardening. Summary Walkthrough of delegate configurations.

Duration 3 Days 18 CPD hours This course is intended for This course is ideal for developers and engineers including: Network Engineer Systems Engineer Data Center Engineer Consulting Systems Engineer Technical Solutions Architect Cisco Integrators/Partners Field Engineer Server Administrator Network Manager Overview After taking this course, you should be able to: Describe the Cisco ACI built0in tools for operating and monitoring the fabric. Describe the complex challenges related to monitoring and Cisco tools that address them: Cisco Nexus Dashboard and Cisco Nexus Dashboard Insights. Describe fabric installation upgrade, backup, restore, and best practices for Cisco NX-OS-to-ACI migration and Cisco ACI management access. Describe the tools and best practices for monitoring ACI fabric. Describe best practices for Cisco ACI naming conventions, Day-0 configuration, VMM integration, and Cisco ACI migrations. The Cisco Application Centric Infrastructure Operations and Troubleshooting (DCACIO) v5.2 course shows you how to manage, monitor, and troubleshoot Cisco© Nexus© 9000 Series Switches in Application-Centric Infrastructure (ACI) mode. Through expert instruction and hands-on practice, you will learn about operational tools, best practices, caveats, and practice troubleshooting common issues on a live fabric. Based on lessons learned in wide range of production deployments, this course gives you the real-world knowledge and skills to boost operational efficiencies in your own deployment. Course Outline Describing Cisco ACI Day-0 to Day-2 Operations Describing Day-2 Operational Tools Describing Cisco ACI Configuration Management Describing Cisco ACI Monitoring Cisco ACI Best Practices Additional course details: Nexus Humans Cisco Application Centric Infrastructure Operations and Troubleshooting v5.2 (DCACIO) training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward. This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts. Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success. While we feel this is the best course for the Cisco Application Centric Infrastructure Operations and Troubleshooting v5.2 (DCACIO) course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you. Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

IP CCTV training course description This hands on course covers the technologies used in IP CCTV systems. The focus is not on operating or cabling but more advanced configuration and troubleshooting. Hands on sessions are used to reinforce the theory rather than teach specific manufacturer equipment. What will you learn Install IP CCTV. Configure IP CCTV. Explain how IP CCTV protocols work. Troubleshoot IP CCTV. IP CCTV training course details Who will benefit: Technical staff working with IP CCTV. Prerequisites: None. Duration 2 days IP CCTV training course contents Introduction What is IP CCTV? Camera types, Video, Audio, two way audio, IP CCTV software. Hands on Installing IP CCTV. CCTV architecture Components, servers, storage, LANs, WANs. Centralised versus decentralised. Hands on Using IP CCTV. Ethernet What is Ethernet? Ethernet cabling, Inside versus outside, hubs, switches, PoE, VLANs. Hands on Ethernet connectivity. Wireless WiFi, other wireless solutions, 802.11, variations, frequencies, Access Points, bridges, repeaters. WEP, WPA, WPA2, Hands on WiFi Configuration Ways to configure, IP addresses, subnet mask, default gateway, DHCP, NAT, access from the Internet. Hands on CCTV configuration. How IP CCTV works TCP, UDP, IP, RTP, RTSP, SIP, PTZ, NTP, Wireshark. Port numbers. Hands on Using Wireshark to troubleshoot IP CCTV. Network issues with IP CCTV Bandwidth, video resolution, compressions, codecs, frame rates, audio. QoS. One way versus two way traffic. Hands on Analysing CCTV traffic. Security VPNs, Firewalls. Hands on CCTV through a firewall. Troubleshooting ping, tracert, arp, ipconfig, pathping, tracert. Cable issues, switch issues, WiFi issues.CCTV issues. Hands on CCTV troubleshooting. Miscellaneous Design issues, multicasting, gateways. DVR technology. Calculating storage requirements.

DNS training course description This three-day hands on DNS training course studies both the UNIX BIND and the Microsoft (MS DNS) implementations. The course starts with the big picture of how DNS works, then client configuration. Primary and secondary servers are then configured, progressing to DDNS, subdomains and security issues. Hands on sessions follow all sections ensuring that troubleshooting techniques are used throughout the course. Students choose whether to use Windows or UNIX for the hands on sessions. What will you learn Describe the architecture of DNS. Explain how DNS works. Install, configure, maintain and troubleshoot DNS DNS training course details Who will benefit: Technical staff wanting to learn DNS including: Network personnel System administrators. Prerequisites: UNIX Fundamentals (or Windows knowledge). TCP/IP foundation for engineers. Duration 3 days DNS training course contents What is DNS? Hostnames, Name resolution, host files, host file problems, What is DNS? The DNS namespace, TLDs, gTLDs, registering domains, Nameservers, how DNS works. Hands on Testing DNS servers on the Internet. DNS clients Ways to use DNS, dynamic and static configuration, multiple nameservers, domain name, searchlist, resolution issues, testing the configuration. Hands on Client configuration. DNS server software Implementations, Microsoft, BIND, daemons and services, installation, starting and stopping servers. Hands on Setting up a DNS server. DNS zone files What is a zone, Zone file overview, Forward zones, Reverse zones, Resource records, A records, PTR, CNAME, Root hints, local zone file. BIND and Microsoft configuration. Hands on Server configuration files. NS and applications MX records, Mail server load balancing, SPF, SRV records, VoIP and SRV, Microsoft and SRV, NAPTR. Hands on Testing records with dig and nslookup. DNS slaves and other servers DNS server types, Server resilience, Slaves, Zone transfers, SOA records, Serial numbers, recommendations, polling based zone transfers, NOTIFY, AD integration, DNS caching, Negative caching, TTL, Caching only servers. Hands on Masters, slaves and zone transfers. The DNS protocol The DNS stack, DNS port numbers, DNS queries, The DNS header, header section format, question format, other section format. Hands on Troubleshooting DNS with Wireshark. Dynamic DNS DHCP, DDNS, IXFR, WINS integration. Hands on Dynamic DNS. Subdomains Root servers, root server selection, Authority, delegation, NS records, subdomain with and without delegation, reverse delegation. Hands on Delegation, setting up a subdomain server. DNS security Restricting queries, DNS and firewalls, Split DNS, forwarders, internal root servers, the use of proxy servers, DNSSEC, TSIG. Hands on Hardening a DNS server. DNS and IPv6 What is IPv6, IPv6 addressing, IPv6 DNS issues, AAAA, IPv6 reverse delegation. Troubleshooting DNS Problem solving, DNS troubleshooting, Zone file checking, Some common errors, Log files, tools, nslookup, dig, host, DNS design, performance, load balancing. Hands on Putting it all together. Summary Useful books, Internet sites, RFCs. Appendix: ENUM What is ENUM, How ENUM works, NAPTR.