389 Computing courses in Epping

Telecomms training course description A comprehensive tour of the telecommunications technologies and terminology currently in use, and under development. What will you learn List and describe components of the PSTN. Explain how calls are made over the PSTN Compare analog and digital transmission methods. Describe the technologies within the transport plane. Recognise the benefits of extra features available in today's telephone networks. Telecomms training course details Who will benefit: Anyone new to the Telecommunications industry. Prerequisites: None. Duration 2 days Telecomms training course contents Telephone network architecture Handsets, local loop, distribution points, Local exchanges, main telephone switches, PBXs. Making a call - some basics Telephone call components, how a telephone call works, accessing the local exchange, loop disconnect, DTMF, standards, E.164, PSTN routing, Intelligent Networks, Special Rate Services. Analogue vs Digital Voice characteristics, PSTN bandwidth, analogue signalling, Digital encoding, PCM and the 64k, ADPCM and other voice compression methods. PBXs PABX, Call processing, networking PBXs, PBX facilities, bandwidth, blocking probability and Erlangs, Erlang models, using Erlang tables. Transmission methods Two wire transmission, 64k circuits, Nx64, E1, 2 wire to 4 wire conversion, echo, echo suppression, echo cancellers, twisted pair, coax, fibre optic, power lines, satellite systems, microwave. Signalling Analogue signalling, loop start, earth calling, E&M, AC15. Digital signalling -CAS, robbed bits and E1 slot 16 signalling. Digital signalling CCS, Q.931, SS7, Q.SIG, DPNSS, DASS2. Transport planes PDH, PDH issues, SDH, SDH architecture, SDH standards, SDH bit rates, SDH mulitplexors, DWDM. Networks Circuit Switched Networks, TDM, Packet Switched Networks, Frame Relay, Message Switching, Circuit Switching, STDM, Cell Switching, ATM, ATM cells, ATM traffic parameters, ATM QoS, MPLS. Other network access Modems, modulation, speeds, ISDN, BRI, PRI, xDSL, SDSL, ADSL. Other Services Centrex, VPNs, FeatureNet, CTI, Call Processing Systems, Voice Mail, Automated Attendant Systems, Interactive Voice Response, Call Management Systems, Call Conferencing, Star Services. Mobile communications 3 types of wireless telephone, mobile generations, base stations, cells, GSM, GPRS, 3G, UMTS, WCDMA, 4G, LTE. VoIP overview What is VoIP, VoIP benefits, What is IP? The IP header, Packetising voice, VoIP addressing, H.323, SIP, RTP. Bandwidth requirements.

OpenSSL for engineers training course description A hands on course covering OpenSSL. The course focusses on the use of OpenSSL from the command line as opposed to using its extensive libraries. Certificate authorities are configured along with key generation, HTTPS and a SSL VPN. What will you learn Describe OpenSSL. Use OpenSSL. Describe and implement: Explain how the various technologies involved in an OpenSSL work. OpenSSL for engineers training course details Who will benefit: Network personnel. Prerequisites: IP security foundation for engineers Duration 2 days OpenSSL for engineers training course contents What is OpenSSL? What is SSL? SSL versions, TLS, TLS negotiation, TLS authentication, What is OpenSSL, Command line tool, SSL library. OpenSSH, OpenVPN. Hands on TLS packet analysis. Getting started with OpenSSL Downloading, source code, packages, installing, versions, configuration, openssl command. Cipher suite selection. Hands on Encrypting a file with openssl. Public and private keys Algorithms, creating keys, public keys, private keys, encrypting the private key. Hands on Encrypting a file with keys. Digital signatures Creating signatures, checking validity of signatures, Self signing SSL certificates. Viewing certificates. Certificate files. Converting between formats. Hands on Securing a web server with HTTPS. Simple PKI with OpenSSL Root CA, signing CA, configuration files, Certificate signing requests. Email certificates, TLS server certificates. Hands on Implementing a simple PKI with OpenSSL.

Kerberos for engineers training course description This hands on course covers the details of Kerberos, from installation and administration through to how it all works including the protocols. What will you learn Describe what Kerberos is. Explain how Kerberos works. Install Kerberos. Configure Kerberos. Troubleshoot Kerberos. Kerberos for engineers training course details Who will benefit: Engineers interested in security. Prerequisites: TCP/IP foundation for engineers Duration 2 days Kerberos for engineers training course contents What is Kerberos? Single Sign On, The protocol, the standard, history, v4, v5, RFCs, Linux, Windows. Kerberos concepts and technology AAA, Authentication, Authorization, Accounting. Kerberos vs LDAP and directories. Privacy, integrity. Kerberos realms, principles, instances. Keys, salts, passwords. Key Distribution Centre, Authentication server, ticket granting server. Tickets. Installation and administration of Kerberos Installing Kerberos, creating realms, testing. DNS and Kerberos, Kerberos clients. Hands on Windows and Linux Kerberos. Kerberos protocols The Needham-Schroeder protocol, Kerberos v4. Authentication server, ticket granting server, Kerberos v5, encryption options, ticket options, other protocol features and extensions. Related protocols: GSSAPI, SPNEGO. Hands on Using Wireshark to 'see' Kerberos. Troubleshooting Kerberos Approach, debugging tools, errors and solutions. Hands on Kerberos troubleshooting. Kerberos security concerns Kerberos attacks, protocol security issues. Dictionary attacks, brute force attacks, replay attacks, MITM attacks, security solutions, protecting the KDC, firewalls, NAT and Kerberos. Hands on Kerberos logging. Software which uses Kerberos Kerberos logins, Kerberos and web based applications, Directory services. Advanced Kerberos issues Cross realm authentication, Windows issues, Windows and UNIX interoperability, Hands on Using a Windows DC for UNIX clients.

Linux shell scripting training course description A practical introduction to writing scripts using the Bourne shell under any Linux operating system. Applicable for those using the Korn shell as well. What will you learn Read shell scripts. Write shell scripts. Use different types of quotes. Recognise the role of shell scripts within the Linux system. Linux shell scripting training course details Who will benefit: Programmers developing programs under UNIX. Administrators / support personnel who wish to find out more about the workings of Linux or write simple utility programs. Prerequisites: Linux Fundamentals Duration 2 days Linux shell scripting training course contents Review of Linux fundamentals Basic shell scripts What does the shell do? How are commands executed? Different shells. what is a shell script? Comments, creating shell scripts. Variables Setting variables, using variables, set, scope, export, sourcing, environmental variables, read. Positional parameters $0 to $9, $#, $* and others. shift parameter substitution. Control statements The test command The if statement while loops for loops The case statement. Special characters Redirection of errors, here documents, quoting. Arithmetic in shell scripts The expr command. System shell scripts Screen handling The terminfo database, The tput command. Advanced issues (optional session) Shell functions, getopts, xargs, debugging shell scripts, portability issues. Extras in the Korn shell. Optimising shell scripts The time command, performance tips.

UNIX shell programming training course description This course has been designed as a follow on course for the XML primer course. The course looks at the use of XSLT in the transforming and styling XML documents. What will you learn Read shell scripts. Write shell scripts. Use different types of quotes. Recognise the role of shell scripts within the UNIX system. UNIX shell programming training course details Who will benefit: Programmers developing programs under UNIX. Anyone working with XML. Administrators Support personnel who wish to find out more about the workings of UNIX or write simple utility programs. Prerequisites: UNIX fundamentals Some programming experience would be useful although not essential. Duration 2 days UNIX shell programming training course contents Review of UNIX fundamentals Basic shell scripts What does the shell do? How are commands executed? Different shells. What is a shell script? Comments, creating shell scripts. Variables Setting variables, using variables, set, scope, export, sourcing, environmental variables, read. Positional parameters 0 to $9, $#, $* and others. shift parameter substitution. Control statements The test command, The if statement, while loops, for loops, The case statement, Special characters, Redirection of errors, here documents, quoting. Arithmetic in shell scripts The expr command. System shell scripts Screen handling The terminfo database The tput comand Avanced issues (optional session) Shell functions, getopts, xargs, debugging shell scripts, portability issues. Extras in the Korn shell. Optimising shell scripts The time command, performance tips.

Definitive Salt training course description Salt is a remote execution framework and configuration management system. This course covers Salt from the basics. After a quick first taste the course moves onto execution modules, salt states, minion and master data, jinja, Salt extensions and then topology and configuration options. Hands on sessions are used to reinforce the theory rather than teach specific manufacturer equipment. What will you learn Install and use Salt. Describe the architecture of Salt. Manage configurations with Salt. Extend Salt. Definitive Salt training course details Who will benefit: Anyone working with Salt. Prerequisites: Linux fundamentals. Duration 2 days Definitive Salt training course contents Introduction What is Salt? High- level architecture, Some quick examples, system management, configuration management, A brief history, Topology options, Extending Salt. Quick start: First taste of Salt Single-master setup, from packages, bootstrap scripts, Starting up, Basic commands, salt: the main workhorse, salt-key: key management, salt-call: execution on the minion, salt-run: co-ordination of jobs on the master, summary of commands, Key management, viewing keys, accepting keys, rejecting keys, key files, Minion targeting, minion ID, list (-L), glob, regular expressions (-E), grains (-G), compound (-C), targeting summary, Additional remote execution details, Conclusion. Execution modules: The functional foundation sys: information and documentation about modules, sys.doc basic documentation, sys.list_modules, sys.list_functions: simple listings, cmd: execute via shell, cmd.run: run any command, pkg: manage packages, virtual modules, pkg.lists_pkgs: list all installed packages, pkg.available version: see what version will be installed, pkg.install: install packages, user: manage users, user.add: add users, user.list_users, user info: get user info, saltutil: access various Salt utilities, Summary. Configuration management: Salt states Salt files overview, SLS example: adding a user, working with the multi-layered state system, Highstate and the top file, the top file, State ordering, require: depend on another state, watch: run based on other changes, odds and ends, Summary. Minion data / master data Grains are minion data, performing basic grain operations, setting grains, targeting with grains in the top file, Pillars are data from the master, querying pillar data, querying other sources with external pillars, Renderers give data options. Extending Salt: part I Introduction to Jinja, Jinja basics, Templating with Jinja, filtering by grains, Custom execution module, Custom state modules, Custom grains, External pillars, Summary. More on the matter Runners, manage minions, manage jobs, The orchestrate runner, The event system, The reactor system, Summary. Extending Salt: part II Python client API, reading configuration data on a master and minion, using the master client (localclient) API, Using the caller client API, Custom runners, writing a custom runner, using the runnerclient API, Summary. Topology and configuration options Master configuration, directories and files, logging, access control, files server options, Topology variations, masterless minions, peer systems, syndication masters, multiple masters. Brief introduction to salt-cloud Overview, Setup AWS and salt-cloud, installing salt-cloud, cloud providers, cloud profiles, cloud maps, Introspection via salt cloud, Creating infrastructure, More information. Using vagrant to run Salt examples YAML.

ITIL® 4 Foundation: In-House Training ITIL® 4 is built on the established core of best practice in the ITIL® guidance. ITIL® 4 provides a practical and flexible approach to move to the new world of digital transformation and embrace an end-to-end operating model for the delivery and operation of products and services. ITIL® 4 also provides a holistic end-to-end picture that integrates frameworks such as Lean IT, Agile, and DevOps. The ITIL® 4 Foundation is based on the exam specifications specified by AXELOS for the ITIL® 4 Foundation certification. The fundamental objective of this course is to help the participants understand the key concepts of service management and the ITIL® 4 service management framework and prepare for the ITIL® 4 Foundation exam. In addition, this course offers a rich learning experience that helps the participants relate ITIL® to their own work environment. The course includes a case study (based on a fictitious organization, 'Axle Car Hire') that will help the participants understand and experience the ITIL® guiding principles, service value, practices through real-world challenges and opportunities. The rich learning experience is supported by additional learning tools such as pre-course reading materials, post-course reading material, and a set of quick reference cards. What You Will Learn At the end of this program, you will be able to: Understand the key concepts of ITIL® service management Understand how ITIL® guiding principles can help an organization to adopt and adapt ITIL® service management Understand the four dimensions of ITIL® service management Understand the purpose and components of the ITIL® service value system, and activities of the service value chain, and how they interconnect Understand the key concepts of continual improvement Learn the various ITIL® practices and how they contribute to value chain activities Course Introduction Let's Get to Know Each Other Course Overview Course Learning Objectives Course Structure Course Agenda Introduction to IT Service Management in the Modern World Introduction to ITIL® 4 Structure and Benefits of ITIL® 4 Case Study: Axle Car Hire Case Study: Meet the Key People at Axle Case Study: The CIOs Vision for Axle Exam Details ITIL® 4 Certification Scheme Service Management - Key Concepts Intent and Context Key Terms Covered in the Module Module Learning Objectives Value and Value Co-Creation Value: Service, Products, and Resources Service Relationships Value: Outcomes, Costs, and Risks Exercise: Multiple-Choice Questions The Guiding Principles Intent and Context Identifying Guiding Principles Key Terms Covered in the Module Module Learning Objectives The Seven Guiding Principles Applying the Guiding Principles Exercise: Multiple-Choice Questions The Four Dimensions of Service Management Intent and Context The Four Dimensions Key Terms Covered in the Module The Four Dimensions and Service Value System Module Learning Objectives Organizations and People Information and Technology Partners and Suppliers Value Streams and Processes External Factors and Pestle Model Exercise: Multiple-Choice Questions Service Value System Intent and Context Service Value System and Service Value Chain Module Learning Objectives Overview of Service Value System Overview of the Service Value Chain Exercise: Multiple-Choice Questions Continual Improvement Intent and Context Key Terms Covered in the Module Introduction to Continual Improvement Module Learning Objectives The Continual Improvement Model Relationship between Continual Improvement and Guiding Principles Exercise: Multiple-Choice Questions The ITIL® Practices Intent and Context ITIL® Management Practices Key Terms Covered in the Module Module Learning Objectives The Continual Improvement Practice The Change Control Practice The Incident Management Practice The Problem Management Practice The Service Request Management Practice The Service Desk Practice The Service Level Management Practice Purpose of ITIL® Practices Exercise: Crossword Puzzle

ITIL® 4 Foundation ITIL® 4 is built on the established core of best practice in the ITIL® guidance. ITIL® 4 provides a practical and flexible approach to move to the new world of digital transformation and embrace an end-to-end operating model for the delivery and operation of products and services. ITIL® 4 also provides a holistic end-to-end picture that integrates frameworks such as Lean IT, Agile, and DevOps. The ITIL® 4 Foundation is based on the exam specifications specified by AXELOS for the ITIL® 4 Foundation certification. The fundamental objective of this course is to help the participants understand the key concepts of service management and the ITIL® 4 service management framework and prepare for the ITIL® 4 Foundation exam. In addition, this course offers a rich learning experience that helps the participants relate ITIL® to their own work environment. The course includes a case study (based on a fictitious organization, 'Axle Car Hire') that will help the participants understand and experience the ITIL® guiding principles, service value, practices through real-world challenges and opportunities. The rich learning experience is supported by additional learning tools such as pre-course reading materials, post-course reading material, and a set of quick reference cards. What You Will Learn At the end of this program, you will be able to: Understand the key concepts of ITIL® service management Understand how ITIL® guiding principles can help an organization to adopt and adapt ITIL® service management Understand the four dimensions of ITIL® service management Understand the purpose and components of the ITIL® service value system, and activities of the service value chain, and how they interconnect Understand the key concepts of continual improvement Learn the various ITIL® practices and how they contribute to value chain activities Course Introduction Let's Get to Know Each Other Course Overview Course Learning Objectives Course Structure Course Agenda Introduction to IT Service Management in the Modern World Introduction to ITIL® 4 Structure and Benefits of ITIL® 4 Case Study: Axle Car Hire Case Study: Meet the Key People at Axle Case Study: The CIOs Vision for Axle Exam Details ITIL® 4 Certification Scheme Service Management - Key Concepts Intent and Context Key Terms Covered in the Module Module Learning Objectives Value and Value Co-Creation Value: Service, Products, and Resources Service Relationships Value: Outcomes, Costs, and Risks Exercise: Multiple-Choice Questions The Guiding Principles Intent and Context Identifying Guiding Principles Key Terms Covered in the Module Module Learning Objectives The Seven Guiding Principles Applying the Guiding Principles Exercise: Multiple-Choice Questions The Four Dimensions of Service Management Intent and Context The Four Dimensions Key Terms Covered in the Module The Four Dimensions and Service Value System Module Learning Objectives Organizations and People Information and Technology Partners and Suppliers Value Streams and Processes External Factors and Pestle Model Exercise: Multiple-Choice Questions Service Value System Intent and Context Service Value System and Service Value Chain Module Learning Objectives Overview of Service Value System Overview of the Service Value Chain Exercise: Multiple-Choice Questions Continual Improvement Intent and Context Key Terms Covered in the Module Introduction to Continual Improvement Module Learning Objectives The Continual Improvement Model Relationship between Continual Improvement and Guiding Principles Exercise: Multiple-Choice Questions The ITIL® Practices Intent and Context ITIL® Management Practices Key Terms Covered in the Module Module Learning Objectives The Continual Improvement Practice The Change Control Practice The Incident Management Practice The Problem Management Practice The Service Request Management Practice The Service Desk Practice The Service Level Management Practice Purpose of ITIL® Practices Exercise: Crossword Puzzle

SAFe® for Architects Enable continuous value flow by aligning technical strategy with business goals, communicating that strategy to development teams, and applying Agile architecture practices. Attendees can improve collaboration and alignment in a SAFe® Lean-Agile enterprise when they become a SAFe® 5 Architect. The SAFe® for Architects course prepares System, Solution, and Enterprise Architects to engage across the organization as effective leaders and change agents who collaboratively deliver architectural solutions. During this course, attendees will explore the roles, responsibilities, and mindset of Agile Architects, and appreciate how to align architecture with business value and drive continuous flow to large systems of systems while supporting SAFe® program execution. What you will Learn To perform the role of a SAFe® Architect, you should be able to: Architect using SAFe® principles Align architecture with business value Develop and communicate architecture vision and intent Plan architectural runway to enable delivery success Architect for continuous delivery and Release on Demand Lead and coach architects and team members during Program Increment (PI) Planning and execution Provide leadership during a Lean-Agile transformation Exemplifying Lean-Agile architecture Architecting for DevOps and Release on Demand Aligning architecture with business value Developing Solution Vision, Solution Intent, and Roadmaps Preparing architecture for Program Increment (PI) Planning Coordinating architecture throughout PI Planning Supporting Continuous Delivery during PI execution Supporting new Strategic Themes and Value Streams Leading as an architect during a Lean-Agile transformation

SAFe® for Architects: In-House Training Enable continuous value flow by aligning technical strategy with business goals, communicating that strategy to development teams, and applying Agile architecture practices. Attendees can improve collaboration and alignment in a SAFe® Lean-Agile enterprise when they become a SAFe® 5 Architect. The SAFe® for Architects course prepares System, Solution, and Enterprise Architects to engage across the organization as effective leaders and change agents who collaboratively deliver architectural solutions. During this course, attendees will explore the roles, responsibilities, and mindset of Agile Architects, and appreciate how to align architecture with business value and drive continuous flow to large systems of systems while supporting SAFe® program execution. What you will Learn To perform the role of a SAFe® Architect, you should be able to: Architect using SAFe® principles Align architecture with business value Develop and communicate architecture vision and intent Plan architectural runway to enable delivery success Architect for continuous delivery and Release on Demand Lead and coach architects and team members during Program Increment (PI) Planning and execution Provide leadership during a Lean-Agile transformation Exemplifying Lean-Agile architecture Architecting for DevOps and Release on Demand Aligning architecture with business value Developing Solution Vision, Solution Intent, and Roadmaps Preparing architecture for Program Increment (PI) Planning Coordinating architecture throughout PI Planning Supporting Continuous Delivery during PI execution Supporting new Strategic Themes and Value Streams Leading as an architect during a Lean-Agile transformation