437 Computing & IT courses in London

Complete Ruby programming training course description This course starts with a quick-start session and then explains the language in detail from the bottom up. Hands on sessions follow all the major sessions to reinforce the theory. What will you learn Read Ruby programs. Write Ruby programs. Debug Ruby programs. Complete Ruby programming training course details Who will benefit: Anyone wishing to program in Ruby. Prerequisites: Software development fundamentals Duration 3 days Complete Ruby programming training course contents Introduction A tour of Ruby, Try Ruby, A suduko solver in Ruby. The Structure and execution of Ruby Lexical structure, Syntactic structure, Files structure, Program encoding, Program execution. Datatypes and objects Numbers, text, Arrays, Hashes, Ranges, Symbols, True, false, and nil, Objects. Expressions and operators Literals and keyword literals, Variable references, Constant references, Method invocations, Assignments, Operators. Statements and control structures Conditionals, loops, Iterators and enumerable objects, Blocks, Altering flow control, Exceptions and exception handling, BEGIN and END, Threads, fibres and continuations. Methods, Procs, Lambdas and closures Defining simple methods, Method names, Methods and parentheses, Method arguments, Procs and lambdas, Closures, Method objects, Functional programming. Classes and modules Defining a simple class, Method visibility: public, protected, privates, Subclassing and inheritance, Object creation and initialization, Modules, Loading and requiring modules, Singleton methods and Eigenclass, Method lookup, Constant lookup. Reflection and metaprogramming Types, classes and modules, Evaluating strings and blocks, Variables and constants, Methods, Hooks, Tracing, ObjectSpace and GV, Custom control structures, Missing methods and missing constants, Dynamically creating methods, Alias chaining. The Ruby platform Strings, Regular expressions, Numbers and Math, Dates and times, Collections, Files and directories, Input/output, Networking, Threads and concurrency. The Ruby environment Invoking the Ruby interpreter, The Top-level environment, Practical extraction and reporting shortcuts, Calling the OS, Security.

Total PHP training course description PHP provides for the creation of dynamic web sites. This hands on training course looks at programming with PHP with an emphasis of building dynamic websites. Forms, state management and database integration are all covered with practicals used throughout the course to reinforce theory sessions. What will you learn Create dynamic web sites using PHP. Write PHP programs. Debug PHP programs. Examine existing code and determine its function. Total PHP training course details Who will benefit: Anyone creating dynamic web sites. Prerequisites: Software development fundamentals Duration 3 days Total PHP training course contents What is PHP? PHP history, dynamic web pages, how PHP works, alternatives to PHP. Downloading and installing PHP. Installing MySQL, installing Apache, platform issues. A first PHP web page A basic PHP script, PHP page structure. PHP comments. Integrating PHP and HTML. PHP forms HTML forms, taking values from forms. PHP and HTML Page inputs, environment inputs. phpinfo(), other form elements, sticky fields, generalised code, tables, forms, form elements, style sheets, JavaScript. Variables operators and expressions Expressions, data types, assignments, scope, constants, HTTP environment variables, getting data from forms using variables. Operators Arithmetic, logical, relational, Boolean, others. Control statements Conditional: if, else, elseif, switch. Loops: while, do while, for, break, continue, exit. Functions Built in functions, declaration, arguments, scope, loading functions from other files, defaulting parameters, call by value/ name. Arrays Indexes, array initialisation, array manipulation, multi dimensional arrays, array functions. String handling What is a string, string functions, matching, extraction, replacement. String operations, cleansing, sprintf, formatting web pages, strops and others, splitting strings, REs. PHP and databases Database structure, Database APIs, MySQL, Creating tables, Editing tables, simple SQL queries using PHP, building HTML tables using SQL queries, SQL injection, security issues, error handling. File I/O Opening, reading, writing files. Permissions, ownership, locking, directories. PHP, cookies and sessions State, Cookie properties, setting cookies, retrieving cookies, expiring/deleting cookies. Sessions, session variables, session IDs. PHP and email Emailing from servers, attachments. Objects OOP, PHP classes, constructors, instances.

Software development training course description This three-day MTA Training course helps you prepare for Microsoft Technology Associate Exam 98-361, and build an understanding of these topics: Core programming, Object-Oriented programming, general software development, web applications, desktop applications, and databases. This course leverages the same content as found in the Microsoft Official Academic Course (MOAC) for this exam. What will you learn Describe core programming. Explain Object Oriented programming. Describe general software development. Describe Web applications. Describe desktop applications. Explain how databases work. Software development training course details Who will benefit: Anyone looking to learn the fundamentals of software. Prerequisites: None. Duration 3 days Software development training course contents Core programming Computer storage and data types How a computer stores programs and the instructions in computer memory, memory stacks and heaps, memory size requirements for the various data storage types, numeric data and textual data. Computer decision structures Various decision structures used in all computer programming languages; If decision structures; multiple decision structures, such as If…Else and switch/Select Case; reading flowcharts; decision tables; evaluating expressions. Handling repetition For loops, While loops, Do...While loops and recursion. Understand error handling Structured exception handling. Object-oriented programming Classes Properties, methods, events and constructors; how to create a class; how to use classes in code. Inheritance Inheriting the functionality of a base class into a derived class. Polymorphism Extending the functionality in a class after inheriting from a base class, overriding methods in the derived class. Encapsulation Creating classes that hide their implementation details while still allowing access to the required functionality through the interface, access modifiers. General software development Application life cycle management Phases of application life cycle management, software testing. Interpret application specifications Application specifications, translating them into prototypes, code, select appropriate application type and components. Algorithms and data structures Arrays, stacks, queues, linked lists and sorting algorithms; performance implications of various data structures; choosing the right data structure. Web applications Web page development HTML, CSS, JavaScript. ASP.NET web application development Page life cycle, event model, state management, client-side versus server-side programming. Web hosting Creating virtual directories and websites, deploying web applications, understanding the role of Internet Information Services. Web services Web services that will be consumed by client applications, accessing web services from a client application, SOAP, WSDL. Desktop applications Windows apps UI design guideline categories, characteristics and capabilities of Store Apps, identify gestures. Console-based applications Characteristics and capabilities of console- based applications. Windows Services Characteristics and capabilities of Windows Services. Databases Relational database management systems Characteristics and capabilities of database products, database design, ERDs, normalisation concepts. Database query methods SQL, creating and accessing stored procedures, updating and selecting data. Database connection methods Connecting to various types of data stores, such as flat file; XML file; in-memory object; resource optimisation.

Wireshark 101 training course description Wireshark is a free network protocol analyser. This hands-on course focuses on troubleshooting networks using the Wireshark protocol analyser. The course concentrates on the product and students will gain from the most from this course only if they already have a sound knowledge of the TCP/IP protocols What will you learn Download and install Wireshark. Capture and analyse packets with Wireshark. Configure capture and display filters. Customise Wireshark. Troubleshoot networks using Wireshark. Wireshark 101 training course details Who will benefit: Technical staff looking after networks. Prerequisites: TCP/IP Foundation for engineers Duration 2 days Wireshark 101 training course contents What is Wireshark? Protocol analysers, Wireshark features, versions, troubleshooting techniques with Wireshark. Installing Wireshark Downloading Wireshark, UNIX issues, Microsoft issues, the role of winpcap, promiscuous mode, installing Wireshark. Wireshark documentation and help. Hands on Downloading and installing Wireshark. Capturing traffic Starting and stopping basic packet captures, the packet list pane, packet details pane, packet bytes pane, interfaces, using Wireshark in a switched architecture. Hands on Capturing packets with Wireshark. Troubleshooting networks with Wireshark Common packet flows. Hands on Analysing a variety of problems with Wireshark. Capture filters Capture filter expressions, capture filter examples (host, port, network, protocol), primitives, combining primitives, payload matching. Hands on Configuring capture filters. Working with captured packets Live packet capture, saving to a file, capture file formats, reading capture files from other analysers, merging capture files, finding packets, going to a specific packet, display filters, display filter expressions. Hands on Saving captured data, configuring display filters. Analysis and statistics with Wireshark Enabling/disabling protocols, user specified decodes, following TCP streams, protocol statistics, conversation lists, endpoint lists, I/O graphs, protocol specific statistics. Hands on Using the analysis and statistics menus. Command line tools Tshark, capinfos, editcap, mergecap, text2pcap, idl2eth. Hands on Using tshark. Advanced issues 802.11 issues, management frames, monitor mode, packet reassembling, name resolution, customising Wireshark. Hands on Customising name resolution.

Mobile comms training course description A complete overview of mobile communications covering all the major technologies in a 2-day format. What will you learn GSM GPRS UMTS LTE Alternative mobile strategies Mobile comms training course details Who will benefit: Anyone involved in mobile communications. Prerequisites: None. Duration 2 days Mobile comms training course contents Introduction Telephony, RF, mobile and wireless technologies, distances, mobile phone generations, base stations, cells, frequencies, cell types, MSC, handoffs, channels, internetworking, the Internet, wireless Internet access. UK operators, worldwide operators. GSM What is it? Timeline, digitising voice, channels, GSM architecture, Abis, A, Um, MS, BTS, BSC, MSC, HLR, VLR, EIR, AuC. Radio link aspects, GSM signalling overview, signalling protocols, roaming, GSM call flows, authentication. IMEI. SIM cards. GPRS What it is, 2G to 3G, GPRS user features, GPRS network features, GPRS elements, GPRS architecture, overlay, SGSN, GGSN, GPRS ATTACH, GPRS protocol stack, GPRS timeslots, EDGE, GPRS classes, GPRS routing, GPRS packet format. UMTS and 3G What is 3G? IMT-2000, 3G proposals, what is UMTS? Speed comparison, evolution to 3G, CDMA, CDMA 2000, W-CDMA, UMTS components, UMTS infrastructure, RNC, Node B, network architecture, packet switched attach, mobility in 3G, HSDPA. LTE and 4G LTE architecture and principles, Physical layer, Air interface, E-UTRAN, Evolved packet core, service provision. Other wireless solutions Integration of services, Bluetooth, Blackberry, VoIP, Mobile IP, 802.11, WiFi, 802.16, WiMax, What is 5G?

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.

SDH training course description Our SDH training course is designed for those with a basic knowledge of the principles of telecommunication digital transmission techniques. An overview of the existing transmission hierarchies and their limitations is provided with an introduction to the Synchronous Digital Hierarchy (SDH). The advantages of SDH are explained fully. What will you learn Identify the major limitations of the PDH network. Outline the advantages of using the SDH. Illustrate the various SDH equipment and network topologies. Describe the principles of the SDH multiplexing structure. SDH training course details Who will benefit: Anyone working with SDH. Prerequisites: It should be noted that this course will assume some basic telecommunication transmission knowledge from the delegates attending. This may be accomplished by attending the Introduction to Telecommunications course. Duration 2 days SDH training course contents Introduction to SDH Timing and synchronisation of digital signals, the plesiochronous digital hierarchy (PDH), the synchronous digital hierarchy (SDH), service protection with SDH SDH Multiplexing Techniques The multiplexing principles of SDH, mapping and aligning a 2Mbit/s tributary into a TU-12, aligning the VC-12 in a TU-12, multiplexing TU-12's into a TUG-2, multiplexing TUG-2's into a TUG-3, multiplexing TUG-3's into a VC-4, the VC-4 path overhead, the STM-1 frame, the AU-4 pointer, the STM-1 section overheads, multiplexer section protection, transmission at rates higher than STM-1, concatenation line transmission functions in SDH SONET Multiplexing Techniques Mapping a DS1 tributary into a virtual tributary, aligning the VT-SPE into a VT frame, mapping the VTGs into a STS-1 SPE, the STS-1 synchronous payload envelope, the STS-1 frame SONET network sections and lines transmissions at higher rates than STS-1 SDH Functions and Facilities SDH network topologies, structure of SDH equipment, synchronisation of SDH networks, protection switching in SDH networks, SDH alarm structure, SDH performance monitoring, testing of SDH, equipment and systems, network management and SDH, asynchronous transfer mode (ATM), future services and technologies OSI Telecommunications Network Management Definition of network management, managing telecom equipment, the managed object library, the management information base, the telecommunications management network (TMN), the Q3 protocol.

HP ProCurve training course description A hands on course covering the product specifics of HP 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 HP ProCurve switches. Use the command line interface and the web based interface to manage HP ProCurve switches. Configure and troubleshoot HP ProCurve switches. Perform software upgrades and maintain configurations using TFTP. HP ProCurve training course details Who will benefit: Anyone working with HP switches. Particularly aimed at engineers and technicians supporting HP switches. Prerequisites: None. Duration 2 days HP ProCurve training course content Introduction Traditional Ethernet, Hubs, Frames, MAC addresses. Hands on Building a network with a hub What is a switch? Switches versus hubs, the MAC address table, handling unknown addresses. Hands on Building a network with HP switches. Configuration methods How to configure a HP switch using: Console port access menus, CLI, telnet, web based access. Hands on Console access, show commands, using the menus, IP address configuration, telnet. Command Line Interface Operator mode, Manager mode, configuration mode, passwords, online help, CLI commands, basic troubleshooting. Hands on More show commands, basic troubleshooting, setting a password, displaying status and counters. Web based interface Web access, basic format, Getting started. SSL. Hands on Web based configuration. Port configuration Common port configuration tasks, port security, port aggregation. Hands on Configuring ports. Trunking and failover. STP configuration Broadcast storms. What is STP? RSTP. Configuring STP. Hands on Enabling and disabling STP, investigation failover. VLAN configuration What are VLANS? 802.1Q, tagged/untagged, creating VLANS, applying VLANS. Addressing and VLANs, Layer 3 switches and VLANs. Hands on Setting up VLANS, setting up tagged ports, Inter VLAN traffic. Housekeeping TFTP, software upgrades, downloading configurations. Hands on Software upgrade, downloading a configuration. SNMP SNMP configuration, HP OpenView. Hands on Using SNMP to manage a HP ProCurve switch. Basic troubleshooting Putting it all together. Layer 1 troubleshooting, Layer 2 troubleshooting. Miscellaneous exercises CDP. Logging

HP switches training course description A hands on course covering the product specifics of HP 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 HP switches. Use the command line interface and the web based interface to manage HP switches. Configure and troubleshoot HP switches. Perform software upgrades and maintain configurations using TFTP. HP switches training course details Who will benefit: Anyone working with HP switches. Particularly aimed at engineers and technicians supporting HP switches. Prerequisites: None. Duration 2 days HP switches training course content Introduction Traditional Ethernet, Hubs, Frames, MAC addresses. Hands on Building a network with a hub. What is a switch? Switches versus hubs, the MAC address table, handling unknown addresses. Hands on Building a network with HP switches. Configuration methods How to configure a HP switch using: Console port access menus, CLI, telnet, web based access. Hands on Console access, show commands, using the menus, IP address configuration, telnet. Command Line Interface Operator mode, Manager mode, configuration mode, passwords, online help, CLI commands, basic troubleshooting. Hands on More show commands, basic troubleshooting, setting a password, displaying status and counters. Web based interface Web access, basic format, Getting started. SSL. Hands on Web based configuration. Port configuration Common port configuration tasks, port security, port aggregation, Hands on Configuring ports. Trunking and failover. STP configuration Broadcast storms. What is STP? RSTP. Configuring STP. Hands on Enabling and disabling STP, investigation failover. VLANs What are VLANS? 802.1Q, tagged/untagged, creating VLANS, applying VLANS. Addressing and VLANs, Layer 3 switches and VLANs. Hands on Setting up VLANS, setting up tagged ports, Inter VLAN traffic. Housekeeping TFTP, software upgrades, downloading configurations. Hands on Software upgrade, downloading a configuration. SNMP SNMP configuration, HP OpenView NNM. Hands on Using SNMP to manage a HP switch. Basic troubleshooting Putting it all together. Layer 1 troubleshooting, Layer 2 troubleshooting. Miscellaneous exercises CDP. Logging

DWDM training course description A concise overview of Wave Division Multiplexing (WDM) with both Coarse Wave Division Multiplexing (CWDM) and Dense Wave Division Multiplexing (DWDM) being covered. The course starts with a review of the relevant elements of fibre transmission and multiplexing before then studying WDM components and architectures. Reliability, resilience and management are then followed by WDM services and futures. What will you learn Explain the benefits of WDM. Describe Dispersion and four way mixing. Describe the different WDM equipment components. Describe different WDM architectures. Explain How DWDM works. DWDM training course details Who will benefit: Anyone working with CWDM/DWDM. Prerequisites: Telecommunications Introduction Duration 2 days DWDM training course contents Fibre communications review 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. WDM overview Multiplexing, TDM, WDM benefits. WDM standards. CWDM vs. DWDM. Four Wave Mixing (FWM). Impact and countermeasures to FWM on WDM. CWDM ITU G.694.2, channels, channel spacing. DWDM ITU G.694.1, channels, channel spacing. WDM Equipment Components Equipment components and building blocks. Optical Terminal Multiplexers (OTM). Optical Add/Drop Multiplexers (OADM). Adding versus dropping. Optical Amplifiers. Erbium Doped Fibre Amplifiers (EDFA). Transponders and Combiners. WDM/DWDM Hubs. Optical and Electrical Cross Connects (OXCs/DXCs). Types of Cross Connects (Transparent/Opaque). Advantages and disadvantages of various Optical cross connects. WDM Architectures WDM network sections. Point-to-Point, Optical switches, mesh, ring and star topology. Example of combined WDM and other technology network. Wavelength converting transponders, 1R, 2R, 3R. Protection for WDM Sub 50ms failover. Equipment protection. Card protection. Y cable, Splitter protection. Far end laser control. Line protection. OMSP 1+1, OMSP 1:1, OMSP 1: N. Self healing optical ring. Sub Network Connection Protection (SNCP). Automatically Switched Optical Networks (ASON). WDM Management Options In band management. Out of band management. The Optical Supervisory Channel (OSC). OSC capabilities. WDM services WDM Access. Bit rates, Transparent Networks. Modulation, DQPSK. SDH over WDM. Migrating from SDH to DWDM. Ethernet over WDM, IP over WDM. Optical Transport Networks G.709, 'digital wrapper', Optical Channel Payload Unit (OPU), Optical Channel Transport Unit ( OTU), Optical Channel Data Unit (ODU). OTU1, OTU2, OTU3, OTU4. WDM Futures All optical amplification, Raman amplification, distributed, lumped. Bit rates. Solitons. Coherent technologies.