246 Architecture courses in London

TRANSMISSION DEMYSTIFIED TRAINING COURSE DESCRIPTION Transmission is the process of sending information along a medium of, copper, fibre or wireless. This course looks at transmission techniques for both telecommunications and data communications with a particular focus on Microwave, SDH, DWDM transmission. The course aims to demystify these technologies by explaining all the buzzwords used in transmission. WHAT WILL YOU LEARN * Describe various transmission technologies such as multiplexing and demultiplexing. * Explain how Microwave works. * Explain how SDH works. * Explain how DWDM works. TRANSMISSION DEMYSTIFIED TRAINING COURSE DETAILS * Who will benefit: Anyone working in telecommunications. * Prerequisites: None. * Duration 2 days TRANSMISSION DEMYSTIFIED TRAINING COURSE CONTENTS * Transmission basics Systems, media, signals. Signal degradation, noise, distortion, attenuation. Digital, analogue. Modulation, encoding. * RF Frequency, wavelength. Distance / range issues, interference, Antenna, power, dB, RF propagation, testing. * Microwave transmission What is microwave transmission, point to point communications, line of sight, parabolic antenna, relays, planning considerations, rain and other issues * Wired transmissions Copper, Fibre, optical transmission, fibre characteristics, fibre component parts. Multi Mode Fibre (MMF). Single Mode Fibre (SMF). Fibre connections. Lasers. Attenuations, dispersion, optical signal noise ratios (OSNR) and their effects. Channel Spacing and Signal Direction. Limiting factors to single wavelength. * Introduction to SDH Timing and synchronisation of digital signals, the plesiochronous digital hierarchy (PDH), the synchronous digital hierarchy (SDH), service protection with SDH. TDM. * SDH6 Standards, basic units, frames, STM1 frame, bit rates, STM0, STM1, STM4, STM16, STM64, STM256, SDH architecture, rings, Add drop multiplexors. SDH network topologies, structure of SDH equipment, SDH synchronisation, protection switching in SDH networks, SDH alarm structure, testing of SDH, equipment and systems, Ethernet over SDH. * WDM overview Multiplexing, TDM, WDM benefits. WDM standards. CWDM vs. DWDM. Four Wave Mixing (FWM). Impact and countermeasures to FWM on WDM.tructure of SDH equipment, SDH synchronisation, protection switching in SDH networks, SDH alarm structure, testing of SDH, equipment and systems, Ethernet over SDH. * DWDM ITU G.694.1, channel and spacing. Optical Terminal Multiplexers (OTM). Optical Add/Drop Multiplexers (OADM). Adding versus dropping. Optical Amplifiers. Erbium Doped Fibre Amplifiers (EDFA). Transponders and Combiners. Optical and Electrical Cross Connects (OXCs/DXCs). Cross Connect types (Transparent/Opaque). Advantages and disadvantages of various Optical cross connects. * IP transmission Telecommunications versus data communications, IP transmission, VoIP, MPLS.

LTE OPTIMIZATION TRAINING COURSE DESCRIPTION This course gives delegates an understanding of the Key Performance Indicators used within the 3G LTE (4G) network environment. We investigate the 3GPP standards for KPIs (including TR 32.814, TS 32.410 & TS 32.455) these cover GERAN, UMTS & LTE environments. The course details the optimisation procedures and the use of Self optimisation, Selforganising & Self-healing equipment now being deployed across all releases of mobile networks. WHAT WILL YOU LEARN * Explain the RF optimisation flowchart. * Describe the importance of Reference Signal Received Power (RSRP). * List many of the 3GPP recommended KPIs. * Describe the concept of APN AMBR and UE AMBR within LTE. * Describe the use of planning and optimisation computer tools. LTE OPTIMIZATION TRAINING COURSE DETAILS * Who will benefit: Anyone working with LTE. * Prerequisites: Essential LTE * Duration 2 days LTE OPTIMIZATION TRAINING COURSE CONTENTS * Introduction to the cellular environment The architecture, 2G (GSM), GPRS/EDGE, The NGMN (Next Generation Mobile Network), media gateway controller, 3GPP Rel99 the 3G introduction, HSPA deployments, 3G LTE (4G). * Cellular network procedures GSM/GPRS call setup, GPRS data call setup, 3G UMTS data call setup, Data call (Voice over LTE) in LTE (using IMS), Circuit Switched Fall Back (CSFB) in LTE, IP packet session in LTE. * Introduction to the standards The 3GPP specifications body, The numbering structure for KPIs, 2G KPIs, 3G/UMTS KPIs, 3G LTE KPIs, IMS KPIs. * Introduction to the KPI definitions KPI definitions, accessibility KPIs, retainability KPIs, mobility KPIs, utilisation KPIs. * In-depth overview of the air Interfaces GSM/GPRS FDMA & TDMA solution, 3G UMTS WCDMA solution, HSPA+ sharing spare power (Codes), The 3G LTE uplink & downlink interface explained, Initial attach procedures explained. * Problem analysis Reference Signal Received Power (RSRP), Signal to Interference Noise Ratio (SINR), handover success rates, power adjustments, classification of coverage problems, weak coverage & coverage holes, lack of dominant cells, cross coverage, improper tilt settings, uplink/downlink imbalance, signal quality, Azimuths & tilts to reduce interference, Handover failure due to interference, Service drop causes. * Mobile RF performance in 2G/3G Performance counters, KPIs, testing & measurement, Drive testing and survey, Data collection and post processing of data, LTE service optimization, bandwidth, poor coverage, Quality, optimization process, KPI optimization, Root Cause Analysis (RCA) applied to RF issues, optimization tools and software. * Advanced LTE network planning & optimization LTE UE measurements (RSRP/RSRQ), LTE capacity planning, RF configuration parameters, LTE cell selection/reselection planning, LTE radio network KPIs, LTE user-centric KPIs, LTE network performance KPIs, LTE system utilization KPIs, LTE RF channel performance predictions, LTE channel information processing, LTE channel multiplexing, Physical layer and structure, MIMO in LTE, LTE resource plan LTE and Self-Organizing Networks (SON). * Radio network optimization work flow Work flow, the existing network, Optimization team establishment and cluster division, Single site verification, Alarm check, Cell state check, Radio parameters check, Site verification, Statistics analysis, Coverage problem analysis. * Mobile internet and QoS issues Cellular QoS reference models. How QoS impact on KPIs and measurements, Introduction to mobile internet, The concept of shared access technologies, Support for QoS in the WCDMA environment, The PDP context model, Supporting end-to-end QoS, EPS bearer concepts, Default EPS bearer, Dedicated EPS bearer, APN-AMBR, UE-AMBR.

WIFI DEMYSTIFIED TRAINING COURSE DESCRIPTION A concise overview aimed at less technical staff requiring an overview of WiFi networks. The course covers the technologies at a high level allowing delegates to discuss WiFi networks with others recognising the buzzwords used. The course will also allow the delegates to recognise the issues involved in planning and installing WiFi networks as well as securing them. WHAT WILL YOU LEARN * Recognise the different WiFi technologies available. * Describe the architecture of WiFi networks including the role of Access Points. * Recognise the distance limitations of WiFi networks. * Describe the buzzwords used in WiFi. * Recognise the security issues of WiFi networks. WIFI DEMYSTIFIED TRAINING COURSE DETAILS * Who will benefit: Anyone working with WiFi networks. * Prerequisites: None. * Duration 1 day WIFI DEMYSTIFIED TRAINING COURSE CONTENTS * Introduction When to use wireless, when to use wired, WiFi technologies: 802.11, 802.11a, 802.11b, 802.11g, 802.11n, WiFi speeds and distances, comparison to other wireless technologies, 802.15 (Bluetooth), 802.16 (WiMax). * Simple WiFi networks Network cards, Antennae, Access Points, WiFi routers. * Enterprise WiFi networks SSIDs, Multiple WiFi networks, Repeaters, Wireless bridges, Controller based access points, Wireless switches, Power Over Ethernet. * RF site surveys Steps and techniques, tools, analysing the feasibility of WiFi, range, performance, roaming. * Security How safe are WiFi networks? Encryption, Authentication, WEP WPA WPA2. 802.1x, EAP, RADIUS.

UNIX SYSTEM ADMINISTRATION TRAINING COURSE DESCRIPTION This five day hands on course provides a comprehensive coverage of core UNIX administration tasks. The course covers generic UNIX and is available for any UNIX distribution required. WHAT WILL YOU LEARN * Administer & configure UNIX systems. * Maintain UNIX by handling disk space and taking regular backups. * Manage software packages. * Perform basic troubleshooting. * Maintain a secure UNIX system. * Describe the organisation and implementation of the filesystem. UNIX SYSTEM ADMINISTRATION TRAINING COURSE DETAILS * Who will benefit: System administrators Network administrators. * Prerequisites: UNIX fundamentals. * Duration 5 days UNIX SYSTEM ADMINISTRATION TRAINING COURSE CONTENTS * Part 1 * Exploring UNIX command-line tools Using a shell, shell configuration, environment variables, getting help, streams, redirection and pipes, processing text using filters, manipulating files, regular expressions, grep, sed. * Managing software Package concepts, comparison of package formats, RPM, rpm commands, yum, dpkg, apt-cache, apt-get, dselect, aptitude, converting between package formats, dependencies and conflicts, startup script problems, shared libraries, library management, managing processes, the kernel: the first process, process lists, foreground & background processes, process priorities, killing processes. * Configuring hardware Configuring firmware and hardware, RQs, I/O addresses, DMA addresses, Boot disks, coldplug and hotplug devices, configuring expansion cards and PCI cards, kernel modules, USB devices, UNIX USB crivers, configuring hard disks, partitioning systems, LVM, common layouts, creating partitions and filesystems, maintaining filesystem health, tuning, journals, checking filesystems, monitoring disk use, mounting and unmounting filesystems. * Managing files File management commands, file naming and wildcards, file archiving, links, directory commands, file ownership and group, file access control, permissions, chmod, defaults, file attributes, disk quotas, enabling and setting quotas, locating files, the FHS. * Booting UNIX and editing files Installing boot loaders, GRUB legacy, GRUB 2, alternative boot loaders, the boot process, boot messages, runlevels and the initialization process, runlevel functions, runlevel services, alternative boot systems, upstart, system. * Part 2 * Configuring the X window system Localization, configuring basic X features, X server options, methods of configuring X, X display information, X fonts, the X GUI login system, XDMCP server, using X for remote access, screen display settings, setting your time zone, your locale, configuring printing, conceptualizing the UNIX printing architecture, understanding PostScript and ghostscript, running a printing system, configuring CUPS, monitoring and controlling the print queue. * Administering the system Managing users and groups, tuning user and system environments, using system log files, understanding syslogd, setting logging options, manually logging data, rotating l;og files, reviewing log file contents, maintaining the system time, UNIX time concepts, manually setting the time, using NTP, running jobs in the future, understanding the role of cron, creating system cron jobs, creating user cron jobs, using anacron, using at. * Configuring basic networking TCP/IP, network hardware, network addresses, hostnames, network ports, configuring UNIX for a local network, configuring with DHCP, static IP address, configuring routing, using GUI configuration tools, ifup and ifdown, diagnosing network connections, testing connectivity, tracing a route, checking network status , examining network traffic, additional tools. * Writing scripts, configuring email, and using databases The shell environment, aliases, shell configuration files, writing scripts, commands, variables, conditional expressions, loops, functions, managing email, choosing email software, securing your email server, managing data with SQL, picking a SQL package, understanding SQL basics, using MySQL. * Securing your system Administering network security, super server restrictions, disabling unused servers, administering local security, securing passwords, limiting root access, setting login, process, SUID/SGID files, configuring SSH, using GPG, generating, importing and revoking keys, encrypting and decrypting data, signing messages and verifying signatures.

LPIC-1 TRAINING COURSE DESCRIPTION This five day hands on course provides a comprehensive coverage of core Linux administration tasks. The course covers generic Linux and is available for any Linux distribution required. It closely follows the LPIC curriculum allowing delegates to achieve the relevant certification if required. WHAT WILL YOU LEARN * Administer & configure Linux systems. * Maintain Linux by handling disk space and taking regular backups. * Manage software packages. * Perform basic troubleshooting. * Maintain a secure Linux system. * Describe the organisation and implementation of the filesystem. LPIC-1 TRAINING COURSE DETAILS * Who will benefit: System administrators. Network administrators. * Prerequisites: Linux fundamentals (LPI 010) * Duration 5 days LPIC-1 TRAINING COURSE CONTENTS * Part I Exam 101 * Exploring Linux Command-Line Tools Using a Shell, Shell Configuration, Environment Variables, Getting Help, Streams, Redirection and Pipes, Processing Text Using Filters, Manipulating files, Regular Expressions, grep,sed. * Managing Software Package Concepts, Comparison of package formats, RPM, rpm Commands, Yum, Debian Packages, dpkg, apt-cache, apt-get, dselect, aptitude, Converting Between Package Formats, Dependencies and Conflicts, Startup Script Problems, Shared Libraries, Library Management, Managing Processes, the Kernel: The First Process, Process Lists, Foreground & Background Processes, Process Priorities, Killing Processes. * Configuring Hardware Configuring Firmware and Hardware, IRQs, I/O Addresses, DMA Addresses, Boot Disks, Coldplug and Hotplug Devices, Configuring Expansion Cards and PCI Cards, Kernel Modules, USB Devices, Linux USB Drivers, Configuring Hard Disks, Partitioning Systems, LVM, Common Layouts, Creating Partitions and Filesystems, Maintaining Filesystem Health, Tuning, Journals, Checking Filesystems, Monitoring Disk Use, Mounting and Unmounting Filesystems. * Managing Files File Management Commands, File Naming and Wildcards, File Archiving, Links, Directory Commands, File Ownership and Group, File access control, Permissions, chmod, Defaults, File Attributes, Disk Quotas, Enabling and setting Quotas, Locating Files, The FHS. * Booting Linux and Editing Files Installing Boot Loaders, GRUB Legacy, GRUB 2, Alternative Boot Loaders, the Boot Process, Boot Messages, Runlevels and the Initialization Process, Runlevel Functions, Runlevel Services, Alternative Boot Systems , Upstart, system. * Part II Exam 102 265 * Securing the X Window System Localization, Configuring Basic X Features, X Server Options, Methods of Configuring X, X Display Information, X Fonts, The X GUI Login System, XDMCP Server, Using X for Remote Access, Screen Display Settings, Setting Your Time Zone, Your Locale, Configuring Printing, Conceptualizing the Linux Printing Architecture, Understanding PostScript and Ghostscript, Running a Printing System, Configuring CUPS, Monitoring and Controlling the Print Queue. * Administering the System Managing Users and Groups, Tuning User and System Environments, Using System Log Files, Understanding syslogd , Setting Logging Options, Manually Logging Data, Rotating Log Files, Reviewing Log File Contents, Maintaining the System Time, Linux Time Concepts, Manually Setting the Time, Using NTP, Running Jobs in the Future, Understanding the Role of cron, Creating System cron Jobs, Creating User cron Jobs, Using anacron, Using at. * Configuring Basic Networking TCP/IP, Network Hardware, Network Addresses, Hostnames, Network Ports, Configuring Linux for a Local Network, Configuring with DHCP, Static IP Address, Configuring Routing, Using GUI Configuration Tools, ifup and ifdown, Diagnosing Network Connections, Testing Connectivity, Tracing a Route, Checking Network Status , Examining Network Traffic, Additional Tools. * Writing Scripts, Configuring Email, and Using Databases The Shell Environment, Aliases, Shell Configuration Files, Writing Scripts, Commands, Variables, Conditional Expressions, Loops, Functions, Managing Email, Choosing Email Software, Securing Your Email Server, Managing Data with SQL, Picking a SQL Package, Understanding SQL Basics, Using MySQL * Securing Your System Administering Network Security, Super Server Restrictions, Disabling Unused Servers, Administering Local Security, Securing Passwords, Limiting root Access, Setting Login, Process, SUID/SGID Files, Configuring SSH, Using GPG, Generating, Importing and Revoking Keys, Encrypting and Decrypting Data, Signing Messages and Verifying Signatures.

INTEGRATING UNIX AND MICROSOFT COURSE DESCRIPTION This course is designed for the enterprise-level UNIX professional and represents the highest level of professional, distribution-neutral UNIX certification within the industry. It covers administering UNIX enterprise-wide with an emphasis on mixed environments. WHAT WILL YOU LEARN * Configure and troubleshoot OpenLDAP. * Use OpenLDAP as an authentication backend. * Manage software packages. * Use Samba - Share configuration - User and group management - Domain integration - Name services - with Linux and Windows clients INTEGRATING UNIX AND MICROSOFT COURSE DETAILS * Who will benefit: Enterprise-level UNIX professionals. * Prerequisites: UNIX network administration. * Duration 5 days INTEGRATING UNIX AND MICROSOFT COURSE CONTENTS * OPENLDAP CONFIGURATION * OpenLDAP replication Replication concepts, OpenLDAP replication, replication log files, replica hubs, LDAP referrals, LDAP sync replication. * Securing the Directory Securing the directory with SSL and TLS, Firewall considerations, Unauthenticated access methods, User/password authentication methods, Maintanence of SASL user DB, certificates. * OpenLDAP Server Performance Tuning Measure OpenLDAP performance, Tune software configuration to increase performance, indexes. * OPENLDAP AS AN AUTHENTICATION BACKEND LDAP * Integration with PAM and NSS Configure PAM to use LDAP for authentication, NSS to retrieve information from LDAP and PAM modules in UNIX. * Integrating LDAP with Active Directory and Kerberos Kerberos integration with LDAP, Cross platform authentication, Single sign-on concepts, Integration and compatibility limitations between OpenLDAP and Active Directory. * SAMBA BASICS * Samba Concepts and Architecture Samba daemons and components, key issues regarding heterogeneous network, Identify key TCP/UDP ports used with SMB/CIFS, Knowledge of Samba3 and Samba4 differences. * Configure Samba Samba server configuration file structure, variables and configuration parameters, Troubleshoot and debug configuration problems. * Regular Samba Maintenance Monitor and interact with running Samba daemons, Perform regular backups of Samba configuration and state data. * Troubleshooting Samba Samba logging, Backup TDB files, Restore TDB files, Identify TDB file corruption, Edit / list TDB file content. * Internationalization Internationalization character codes and code pages, differences in the name space between Windows and Linux/Unix with respect to share, names, user/group/computer naming in a non-English environment. * SAMBA SHARE CONFIGURATION * Linux File System and Share/Service Permissions File / directory permission control, Samba interaction with Linux file system permissions and ACLs, Use Samba VFS to store Windows ACLs. * Print Services Printer sharing, integration between Samba and CUPS, Manage Windows print drivers and configure downloading of print drivers, security concerns with printer sharing. * SAMBA USER AND GROUP MANAGEMENT * Managing User Accounts and Groups User and group accounts, mappings, user account management tools, smbpasswd, file/directory ownership of objects. * Authentication, Authorization and Winbind Local password database, password synchronization, passdb backends, Convert between passdb backends, Integrate Samba with LDAP, Winbind service, PAM and NSS. * SAMBA DOMAIN INTEGRATION * Samba as a PDC and BDC Domain membership and trust relationships, Create and maintain a PDC and BDC with Samba3/4, Add computers to an existing domain, logon scripts, roaming profiles, system policies. * Samba4 as an AD compatible Domain Samba 4 as an AD DC, smbclient, how Samba integrates with AD services: DNS, Kerberos, NTP, LDAP. * Configure Samba as a Domain Member Server Joining Samba to NT4 and AD domains, obtain a TGT from a KDC. * SAMBA NAME SERVICES * NetBIOS and WINS WINS concepts, NetBIOS concepts, local master browser, domain master browser, Samba as a WINS server, name resolution, WINS replication, NetBIOS browsing and browser elections, NETBIOS name types. * Active Directory Name Resolution DNS for Samba4 as an AD Domain Controller, DNS forwarding with the internal DNS server of Samba4. * WORKING WITH LINUX AND WINDOWS CLIENTS * CIFS Integration SMB/CIFS concepts, remote CIFS shares from a Linux client, securely storing CIFS credentials, features and benefits of CIFS, permissions and file ownership of remote CIFS shares. * Working with Windows Clients browse lists and SMB clients from Windows, Share file/print resources from Windows, the smbclient program, the Windows net utility.

INTEGRATING LINUX AND MICROSOFT COURSE DESCRIPTION This course is designed for the enterprise-level Linux professional and represents the highest level of professional, distribution-neutral Linux certification within the industry. LPIC-3 300 covers administering Linux enterprise-wide with an emphasis on mixed environments. WHAT WILL YOU LEARN * Configure and troubleshoot OpenLDAP. * Use OpenLDAP as an authentication backend. * Manage software packages. * Use Samba - Share configuration - User and group management - Domain integration - Name services - with Linux and Windows clients INTEGRATING LINUX AND MICROSOFT COURSE DETAILS * Who will benefit: Enterprise-level Linux professionals. * Prerequisites: Delegates must have an active LPIC-2 certification to receive LPIC-3 certification, but the LPIC-2 and LPIC-3 exams may be taken in any order. * Duration 5 days INTEGRATING UNIX AND MICROSOFT COURSE CONTENTS * OPENLDAP CONFIGURATION * OpenLDAP replication Replication concepts, OpenLDAP replication, replication log files, replica hubs, LDAP referrals, LDAP sync replication. * Securing the Directory Securing the directory with SSL and TLS, Firewall considerations, Unauthenticated access methods, User/password authentication methods, Maintanence of SASL user DB, certificates. * OpenLDAP Server Performance Tuning Measure OpenLDAP performance, Tune software configuration to increase performance, indexes. * OPENLDAP AS AN AUTHENTICATION BACKEND LDAP * Integration with PAM and NSS Configure PAM to use LDAP for authentication, NSS to retrieve information from LDAP and PAM modules in UNIX. * Integrating LDAP with Active Directory and Kerberos Kerberos integration with LDAP, Cross platform authentication, Single sign-on concepts, Integration and compatibility limitations between OpenLDAP and Active Directory. * SAMBA BASICS * Samba Concepts and Architecture Samba daemons and components, key issues regarding heterogeneous network, Identify key TCP/UDP ports used with SMB/CIFS, Knowledge of Samba3 and Samba4 differences. * Configure Samba Samba server configuration file structure, variables and configuration parameters, Troubleshoot and debug configuration problems. * Regular Samba Maintenance Monitor and interact with running Samba daemons, Perform regular backups of Samba configuration and state data. * Troubleshooting Samba Samba logging, Backup TDB files, Restore TDB files, Identify TDB file corruption, Edit / list TDB file content. * Internationalization Internationalization character codes and code pages, differences in the name space between Windows and Linux/Unix with respect to share, names, user/group/computer naming in a non-English environment. * SAMBA SHARE CONFIGURATION * Linux File System and Share/Service Permissions File / directory permission control, Samba interaction with Linux file system permissions and ACLs, Use Samba VFS to store Windows ACLs. * Print Services Printer sharing, integration between Samba and CUPS, Manage Windows print drivers and configure downloading of print drivers, security concerns with printer sharing. * SAMBA USER AND GROUP MANAGEMENT * Managing User Accounts and Groups User and group accounts, mappings, user account management tools, smbpasswd, file/directory ownership of objects. * Authentication, Authorization and Winbind Local password database, password synchronization, passdb backends, Convert between passdb backends, Integrate Samba with LDAP, Winbind service, PAM and NSS. * SAMBA DOMAIN INTEGRATION * Samba as a PDC and BDC Domain membership and trust relationships, Create and maintain a PDC and BDC with Samba3/4, Add computers to an existing domain, logon scripts, roaming profiles, system policies. * Samba4 as an AD compatible Domain Samba 4 as an AD DC, smbclient, how Samba integrates with AD services: DNS, Kerberos, NTP, LDAP. * Configure Samba as a Domain Member Server Joining Samba to NT4 and AD domains, obtain a TGT from a KDC. * SAMBA NAME SERVICES * NetBIOS and WINS WINS concepts, NetBIOS concepts, local master browser, domain master browser, Samba as a WINS server, name resolution, WINS replication, NetBIOS browsing and browser elections, NETBIOS name types. * Active Directory Name Resolution DNS for Samba4 as an AD Domain Controller, DNS forwarding with the internal DNS server of Samba4. * WORKING WITH LINUX AND WINDOWS CLIENTS * CIFS Integration SMB/CIFS concepts, remote CIFS shares from a Linux client, securely storing CIFS credentials, features and benefits of CIFS, permissions and file ownership of remote CIFS shares. * Working with Windows Clients browse lists and SMB clients from Windows, Share file/print resources from Windows, the smbclient program, the Windows net utility.

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.

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