355 Security courses near Hertfordshire

Microsoft Access training course description A hands on course providing a solid grounding in Microsoft Access. What will you learn Use and customise the Microsoft Access environment. Select, use and customise queries. Define tables. Design forms and reports. Recognise the use of macros. Microsoft Access training course details Who will benefit: Anyone wishing to work with Microsoft Access. Prerequisites: Database fundamentals Duration 3 days Microsoft Access training course contents Introducing databases Flat file databases, Relational databases, the objects defined in an Access database, planning a simple relational database. Open Access and create a database The database wizards, tables, creating and amending tables, using field properties to improve the quality of data entry and system performance, the primary key. Working in datasheet view View, add, modify and delete records, find records. Advantages and disadvantages of entering data directly into a table. Queries Sort and select records form a single table, advantages and disadvantages of entering data via a query, define simple calculated expressions, use 'Totals' queries. Forms Use the form wizards, basic editing of objects created using the form wizards, Data-entry in form view. Reports Use the report wizard, basic editing of objects created using the report wizard, print reports. The multi table environment Plan and create a related table, define a one-to-many relationship, write multi-table queries and use the 'AutoLookup' feature, use the form wizard to create a subform and carry out data-entry in a main/subform, print and amend reports, use the report wizard to create reports based on multi-table. Relationships Working with one-to-one and one-to-many relationships, recognising and handling many-to-many relationships, referential integrity. Select queries Select queries based on related tables, parameter queries, Crosstab, find unmatched queries and Find Duplicate, the implications of the Join properties in a relational query, conditional expressions, and working with the expression builder. Action queries Make table queries, append queries, update queries, delete queries. Customising forms. Using the Toolbox, calculated controls, Combo and List boxes, query by form, working with form and control properties, domain aggregate functions. Reports Report and control properties, customising sorting and grouping, calculated controls on reports, Sub-reports, editing and altering a report's source. Macros Introduction to macros.

UNIX fundamentals training course description An introduction to using the UNIX operating system focussing on the command line. Appropriate for all versions of UNIX. The starting point for all UNIX work, we concentrate on the technical aspects rather than issues such as using browsers. The course is heavily practical in nature. What will you learn Describe UNIX. Log in and use UNIX commands to perform a variety of tasks from manipulating and printing files to looking at and killing processes. Create and edit files with vi. Recognise the role of the administrator. Write simple shell scripts. Customise the user environment. UNIX fundamentals training course details Who will benefit: Anybody who needs to use a UNIX system. Prerequisites: None. Duration 3 days UNIX fundamentals training course contents What is UNIX? Operating systems, UNIX flavours, UNIX features. Getting started Logging in, changing passwords, logging out. UNIX basics Command structure. The UNIX manuals, basic commands (who, date, tty, uname, echo, banner...) Filesystem commands Home directories, manipulating files and directories, Filesystem layout, Pathnames, hard and symbolic links. The UNIX Editors ed, vi, shell escapes, .exrc Extracting data from files grep, find, cut, sort and paste Permissions Theory, chmod, chown, newgrp.. Processes ps, kill, background processes, at, exec, priorities. The Shell Metacharacters, piping and redirection. Basic shell scripting What are shell scripts? Simple scripts, control structures. Variables. Arguments. Customising your environment Environmental variables, stty, .profile and other startup files More shell features Bash and other shells, the history facility, command line editing, aliases, job control, miscellaneous features. Introduction to administration The root user, su and tar Archiving files Backups, tar, cpio, dd, gzip. Unix and hardware Main hardware components, Unix device drivers. Connecting to a network IP configuration, ifconfig, ping, netstat, traceroute, dig.

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?

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.

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.

Intro to SQL training course description A hands on course focusing on the use of SQL. In particular this course does not concentrate on any particular version of SQL but rather enables delegates to recognise the differences found in SQL on different platforms. What will you learn Explain the difference between standard SQL and different flavours. Use SQL statements to query databases. Use SQL statements to define databases. Intro to SQL training course details Who will benefit: Anyone working with databases. Prerequisites: None. Duration 2 days Intro to SQL training course contents What is SQL? What is SQL? History, standards, What is SQL used for? Dialects, ANSI SQL, PL/SQL, Transact SQL, front ends. Database basics RDBMS, Tables. Hands on Investigating a database. Basic SQL commands SQL Overview: SQL DML, SQL DDL, SQL queries. SELECT, WHERE and ORDER BY clauses. Combining conditions. IN, LIKE and BETWEEN. Hands on Querying a database from existing tables. SQL data retrieval Scalar functions. Hands on Selecting data from an existing database. More SQL data retrieval Scalar functions, variations. Aggregate functions, GROUP BY. HAVING. Hands on Selecting data from an existing database. Table joins Multiple tables, joins, keys, inner joins, left joins, right joins. Hands on Selecting data from an existing database. SQL basic data manipulation INSERT, UPDATE, MERGE, DELETE. Transaction controls: COMMIT, ROLLBACK. Hands on Modifying data in tables. SQL Data Definition USE, CREATE, DROP, TRUNCATE, ALTER. Hands on Managing new tables and columns. Data control GRANT, REVOKE. Hands on Defining permissions.

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.

Advanced Kibana training course description This training course is aimed at users who already have some experience with Kibana, who are looking to further their knowledge. What will you learn Lens Timelion Maps Custom Visualisations with Vega Canvas Filters and Controls Drilldown and Dashboards KQSL and ElasticQueries Scripted and RunTime Fields Alerts and Alarms Advanced Kibana training course details Who will benefit: Users who already have some experience with Kibana, who are looking to further their knowledge. Prerequisites: None Duration 1 day Advanced Kibana training course contents Topics Lens Visualisation types (tables,bars,charts) Category breakdown Adding multiple metrics Using formulas in metrics Labels Adding reference layer Limitations Visualise Library Timeseries, Metrics Different types of aggregations Maps GeoMapping Heat Maps Using ES index as data source Visualisation, tool tips Custom Visualisations with Vega Introduction to vega scripting Canvas Widgets and Texts Elasticsearch SQL Canvas Expressions Filters and Controls Dropdown filters Ad-hoc filters Searchbar filters Drilldown Dashboards Linking one dashboard to another KQSL and ElasticQueries Bool Query AND/OR Phrase Part match vs keyword search Wildcard search Scripted and RunTime Fields Creating ad-hoc calculated fields using scripts Performance issues Alerts and Alarms Query Based Formatting output Connector types(email,index,teams etc)

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.