298 Network & Security courses in London

MRTG training course description A hands on course focusing on the installation, configuration and use of the MRTG network monitoring and graphing tools. What will you learn Install MRTG. Configure MRTG. Use MRTG to monitor networks. MRTG training course details Who will benefit: Anyone working with MRTG. Prerequisites: Total SNMP for engineers Duration 2 days MRTG training course contents What is MRTG? Network monitoring, review of SNMP. What MRTG does do, what MRTG doesn't do, MRTG architecture, MRTG components. Hands on configuring SNMP support on network devices, configuring extended SNMP support on Windows. Installing MRTG Configuring MRTG tasks, .cfg files, index.html files, running MRTG tasks, instances. Hands on Configuring and running MRTG tasks. MRTG tasks Configuring MRTG tasks, .cfg files, index.html files, running MRTG tasks, instances. Hands on Configuring and running MRTG tasks. MRTG graphs Daily, weekly, monthly, yearly, MRTG database support, RRDTOOL. Hands on MRTG graphs. Using MRTG MRTG examples, custom SNMP OIDs, using the MRTG configuration reference. Hands on MRTG examples. RRDTOOL Installing RRD database support, MRTG instances with the RRD database, RRD database structure, resizing and extending the database. Exporting database records into plain text and XML formats, on demand MRTG graphs using the database. Hands on Using MRTG with RRD database support. Alternatives to MRTG MRTG strengths and weaknesses, scalability, cricket, cacti, other SNMP tools.

XSLT 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 Transform and style XML documents using XSLT. XSLT training course details Who will benefit: Anyone working with XSLT. Prerequisites: XML primer Duration 2 days XSLT training course contents Introduction Extensible Stylesheet Language (XSL), transforming and formatting XML. XML refresher The basic rules for building an XML document. An introduction to XSLT The basic concepts of XSLT, xsl:output, xsl:template, xsl:value-of. XML documents as trees How the original XML is transformed into a set of nodes, the general terms for manipulating node trees. Paths (XPath) Use of path matching to select required nodes for transformation. Using templates xsl:apply-templates, xsl:template match, nested templates, xsl:copy , <comment> and <element> , default templates, parameters. Control xsl:if, xsl:choose, xsl:for-each, xsl:sort. Constructing the result tree xsl:output, xsl:attribute, xsl:attribute-set, xsl:comment, xsl:processing-instruction, xsl:text, xsl:value-of, xsl:variable. Combining templates xsl:include, xsl:import, xsl:apply-imports. Transforming to text

LTE Architecture and Protocols course description This course provides a comprehensive tour of the LTE architecture along with services provided and the protocols used. What will you learn Describe the overall architecture of LTE. Explain the information flows through LTE. Describe the LTE security. Describe LTE mobility management. Recognise the next steps for LTE. LTE Architecture and Protocols course details Who will benefit: Anyone working with LTE. Prerequisites: Mobile communications demystified Duration 3 days LTE Architecture and Protocols course contents Introduction History, LTE key features. The 4G ITU process. The LTE 3GPP specifications. Specifications. System Architecture LTE hardware architecture. UE architecture and capabilities. E-UTRAN and eNB. EPC, MME functions, SGW, PGW and PCRF. System interfaces and protocol stacks. Example information flows. Dedicated and default bearers. EMM, ECM, RRC state diagrams. Radio transmission and reception OFDMA, SC-FDMA, MIMO antennas. Air interface protocol stack. Logical, transport and physical channels. Frame and slot structure, the resource grid. Resource element mapping of the physical channels and signals. Cell acquisition, data transmission and random access. MAC, RLC, PDCP protocols. LTE spectrum allocation. Power-on procedures Network and cell selection. RRC connection establishment. Attach procedure, including IP address allocation and default bearer activation. LTE detach procedure. Security in LTE networks LTE security features, identity confidentiality, ciphering and integrity protection. Architecture of network access security in LTE. Secure key hierarchy. Authentication and key agreement procedure. Security mode command procedure. Network domain security architecture. Security associations using IKE and IPSec. Mobility management RRC_IDLE, RRC_CONNECTED. Cell reselection, tracking area updates. Measurement reporting. X2 and S1 based handovers. Interoperation with UMTS, GSM and non-3GPP technologies such as cdma2000. QoS, policy control and charging QoS in LTE, EPS bearers, service data flows and packet flows. The architecture and signalling procedures for policy and charging control. Data transport using GPRS, differentiated services and MPLS. Offline and online charging in LTE. Delivery of voice and text messages over LTE Difficulties and solutions for Voice over LTE. Architecture and call setup procedures for circuit switched fallback. Architecture, protocols and call setup procedures in IP multimedia subsystem. Enhancements in release 9 LTE location services. Multimedia broadcast / multicast service and MBSFN. Cell selection, commercial mobile alert service. LTE Advanced and release 10 Impact of carrier aggregation on LTE air interface. Enhanced MIMO processing on uplink and downlink. Relaying. Release 11 and beyond. OAM and self organising networks Operation, administration, maintenance and provisioning for LTE. Self-configuration of base station parameters. Fractional frequency re-use, inter-cell interference co-ordination. Self-optimisation of base station procedures. Self-healing to detect and recover from faults.

ASP.Net training course description Our hands on ASP.NET training course that will teach students how to create a simple ASP.NET application that delivers dynamic content to the web. The course is applicable for those using C# or VB.NET with ASP.NET. What will you learn Create a web form with server controls Separate page code from content with code-behind pages, page controls, and components. Display dynamic data from a data source by using ADO.NET and data binding. Debug ASP.NET pages by using trace. ASP.Net training course details Who will benefit: Programmers working with ASP.NET. Prerequisites: HTML5 development fundamentals VBNet_course.htm or C++ programming foundation Duration 3 days ASP.Net training course contents Working with ASP.NET Introducing ASP.NET. Creating web forms. Adding ASP.NET code to a page. Handling page events. Using Web Controls Web controls and HTML controls compared. Using intrinsic controls. Using input validation controls. Introduction to user controls. Using trace in ASP.NET pages Overview of tracing. Trace information. Page-level trace and application-level trace. Separating code from content Advantages of partitioning an ASP.NET page. Creating and using code-behind pages. Creating and using components and classes. Inheritance of classes. Interfaces. Using ADO .NET to access data Accessing text files. Overview of ADO .NET Connecting to a data source. Accessing data with DateSets. Using DataViews. Accessing data with DataReaders. Using XML data with a DataSet. Creating an ASP.NET Web Application Requirements of a web application. Sharing information between pages. Securing an ASP.NET application. Web services. Creating a simple web service using Visual Studio.NET Calling a web service using Visual Studio.NET

Total QoS training course description An advanced technical hands on course focusing on Quality of Service issues in IP networks. What will you learn Explain the difference between Integrated services and differentiated services. Explain how DiffServ works. Explain how RSVP works. Design networks supporting QoS. Total QoS training course details Who will benefit: Network administrators. Network operators. Prerequisites: TCP/IP Foundation for engineers Duration 3 days Total QoS training course contents What is QoS QoS and CoS, throwing bandwidth at the problem, Best effort services, Differentiated services, Integrated services, guarantees, the need for QoS, IETF working groups. Application issues Video, Voice, other applications, Jitter, delay, packet loss. Flows, per flow and per aggregate QoS, Stateful vs. stateless QoS, applications vs. network QoS. 'Traditional' IP QoS The TOS field and precedence, the obsolete OSPF use of the TOS field, TCP congestion avoidance. Queuing Where to use queuing, FIFO, Priority queuing, Custom queuing, Weighted Fair Queuing, CBWFQ, PQWFQ, LLQ, RED and WRED. DiffServ Architecture, DSCP, CU, packet classification and marking, meters and conditioners, Bandwidth brokers and COPS, Per Hop Behaviours, best effort PHB, Assured Forwarding PHB, Expedited forwarding PHB, Network Based Application Recognition (NBAR). Layer 2 issues Fragmentation and interleaving, compression (codecs, MPEG formats, header compression…), 802.1p, Subnet bandwidth management, Bandwidth allocators and requestor modules, the use of MPLS, traffic engineering, traffic shaping. RSVP What is RSVP? architectures, paths, path messages, reservations, traffic specifications, tear downs, guaranteed and controlled load, token buckets, Call Admission Control in voice networks, gatekeepers. Other issues Policy based routing, the Resource Allocation Protocol, QoS management tools, baselining networks, design issues, QoS in IPv6, QoS and multicasts.

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.

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.

IPsec training course description This hands on course focuses on IPsec VPNs. Rather than focusing on one implementation this course concentrates on the technologies and protocols of IPsec. Starting with an overview of the complete IPsec architecture the course then moves onto ESP packet analysis along with encryption and authentication provided. IKEv1 and IKEv2 are both covered in detail. Having covered IPsec with pre shared keys the course then moves onto IPsec with certificates followed by IPsec issues. The course is vendor neutral with hands on with both Cisco and Microsoft implementations. What will you learn Explain how IPsec works. Explain the role of AH, ESP and IKE. Configure IPsec. Troubleshoot IPsec. IPsec training course details Who will benefit: Technical staff working with IPsec. Prerequisites: Definitive IP VPNs for engineers. Duration 3 days IPsec training course contents What is IPsec? How to spell IPsec, IPsec is IP security, confidentiality, integrity, authenticity, replay protection, what is a VPN? Network layer security, IPsec and IPv4, IPsec and IPv6, the suite of protocols, the standard, IPsec RFCs, IPsec history. Hands on Analysis of 'normal' IP packets. IPsec architecture The IPsec protocols, AH vs ESP, Why two headers? transport mode, tunnel mode, Remote access VPNs, site to site VPNs, security associations, SA database, Security Parameters Index, implementations: Host tack, Bump in the Stack, Bump in the Wire. Hands on Configuring IPsec. AH What AH does, the stack, The AH header, What is authenticated? Device authentication. AH in transport mode, AH in tunnel mode. Hands on AH packet analysis. ESP What ESP does, the ESP header, ESP in transport mode, ESP in tunnel mode, ESP and SA, ESP and SPI. Hands on ESP packet analysis, policy configuration. IPsec encryption IPsec is a framework, standard algorithms, ESP keys, the role of IKE, key lifetimes, how IKE generates the keys, DES, 3DES, AES, cipher block chaining, counter mode, other encryption. Hands on Encryption configuration. IPsec authentication Authentication types, IPsec authentication, Authentication algorithms: MD5, keyed SHA-1, HMAC-MD5, HMAC-SHA-1, HMAC-RIPEMD, other authentication algorithms. Hands on Authentication configuration. IKE Internet Key Exchange, IKE and the SAD, the two phase negotiation, ISAKMP, ISAKMP header, pre shared keys, digital signatures, public key encryption, Diffie Hellman, proposals, counter proposals, nonces, identities, phase 1 negotiation: main mode, aggressive mode, base mode. Phase 2 negotiation: quick mode, new group mode. Hands on IKE packet analysis. More IKE PFS, IKE and dynamic addresses, XAUTH, hybrid authentication, CRACK, ULA, PIC. User level authentication. IKE renegotiation, heartbeats. Hands on Troubleshooting IPsec. IKEv2 The IKEv2 exchange, IKE_SA_INIT, IKE_AUTH, CREATE_CHILD_SA, IKEv2 packets, the informational exchange. Comparing IKev1 vs IKE v2. Hands on IKEv2 configuration and analysis. PKI What is PKI?, Digital certificates, Certificate authorities, CA servers, RA, VA, certificates, CA hierarchy, CRLs, certificate formats. Hands on installing and configuring certificate servers. IPsec issues NAT, IPsec overhead and fragmentation. Summary IPsec strengths and weaknesses. Where to get further information.

5G training course description This course is designed to give the delegate an understanding of the technologies and interworking requirements of the next generation of cellular communications. It is not a definitive set of descriptions but a possibility of the final deployment. During the course we will investigate the 10 pillars for 5G, which will include various Radio Access Technologies that are required to interwork smoothly. Hence we will look at the 4G Pro features and other RATs. What will you learn List the ten pillars of 5G deployment. Explain the 5G Internet and Software Distributed Networks (SDN). Explain carrier aggregation, the mobile cloud and RAT virtualisation. Explain an overall picture of 5G architecture. 5G training course details Who will benefit: Anyone who is looking to work with next generation networks. Prerequisites: Mobile communications demystified Duration 3 days 5G training course contents Drivers for 5G 5G Road Map, 10 Pillars of 5G, evolving RATs, small cell, o SON, MTCm, mm-wave, backhaul, EE, new spectrum, spectrum sharing, RAN virtualisation. 4G LTE advanced features *MIMO, Downlink & uplink MIMO R8, MIMO technology in LTE advanced, Downlink 8-layer SU-MIMO, Downlink MU-MIMO, Uplink MU-MIMO, Uplink transmit diversity, Coordinated multi-point operation (CoMP), Independent eNB & remote base station configurations, Downlink CoMP, * Uplink Multi-Cell Reception. ICIC & eICIC ICIC, Homogeneous to heterogeneous network, eICIC, Macro-pico scenario, Macro-femto scenario, Time orthogonal frequencies. Almost Blank Subframe (ABS). Carrier aggregation Component carriers (CC), * CC aggregation, Intra-band contiguous solutions, Intra-band non-contiguous solutions, Inter-band non-contiguous solutions, CA bandwidth classes, Aggregated transmission bandwidth configurations (ATBC), Possible carrier aggregation configurations (Rel 9, 10 & 12). Enhanced Interference Mitigation & Traffic Adaptation (eIMTA) TDD UL-DL reconfiguration for traffic adaptation, Reconfiguration mechanisms, Interference mitigation schemes, Dynamic & flexible resource allocation. 5G architectures 5G in Europe, horizon 2020 framework, 5G infrastructure PPP, METIS project, innovation centre, 5G in North America, research, company R & D, 5G specifications. The 5G internet Cloud services, IoT & context awareness, network reconfiguration & virtualization support, hypervisors, SDN, the controller, service-oriented API, OpenFlow switches, SDN operation, SDN control for traffic flow redirection, OpenFlow controllers, how SDN works, application, control and infrastructure layers, a programmable network, how SDN & NFV tie together, SDN's downside, SDN orchestration, Mobility, architectures for distributed mobility management, MEDIEVAL & MEDIVO projects, a clean slate approach, mobility first architecture, network virtualization (VNet), INM, NetInf, ForMux, MEEM, GP & AM, QoS support, network resource provisioning, IntServ, RSVP, DiffServ, CoS, aggregated resource provisioning, SICAP, MARA, Emerging approach for resource over-provisioning, example use case architecture for the 5G internet, integrating SDN/NFV for efficient resource control, control information repository, service admission control policies, network resource provisioning, control enforcement functions, network configurations, network operations. Small cells for 5G Average spectral efficiency evolution, What are small cells? WiFi & Femto cells as candidate small-cell technologies, Capacity limits & achievable gains with densifications, gains with multi-antenna techniques, gains with small cells, Mobile data demand, approach & methodology, subscriber density projections, traffic demand projections, global mobile data traffic increase modelling, country level backhaul traffic projections, 2020 average spectrum requirement, Small cell challenges, backhaul, spectrum, automation. Cooperation for next generation wireless networks Cooperative diversity & relaying strategies, Cooperative ARQ & MAC protocols, NCCARQ & PRCSMA packet exchange, Physical layer impact on MAC protocol, NCCARQ overview, PHY layer impact, Performance evaluation, simulation scenario and results. Mobile clouds; technology & services for future communications platforms Mobile cloud, software, hardware and networking resources, Mobile cloud enablers, mobile user domain, wireless technologies, WWAN WLAN and WPAN range, Bluetooth, IEEE.802.15.4, software stacks, infrared, near field communications (NFC), store & forward vs compute & forward, random/linear network coding. Security for 5G communications Potential 5G architectures, Security issues & challenges in 5G, user equipment, mobile malware attacks, 5G mobile botnets, attacks on 4G networks, C-RNTI & packet sequence numbers based UE location tracking, false buffer status reports attacks, message insertion attacks, HeNB attacks, physical attacks, attacks on mobile operator's network, user data & identity attacks, DDoS attacks, amplification, HSS saturation, external IP networks.

4G & 5G Roaming Scenarios & Procedures course description This course is designed to explain the roaming procedures of modern mobile networks, based on the GSMA roaming specification the course explains all scenarios where a mobile subscriber may find themselves whilst visiting a preferred mobile network partner. Interconnection between MNOs and the use of GRX & IPX as an interworking process. The course will work through the registration & authentication procedure, download of the user profile, the APN configuration & DIAMETER process to verify user authenticity. VoLTE roaming and IMS registration procedures for voice support & SMS delivery will be discussed and explained. What will you learn Architecture Models Technical requirements for interfaces - 4G Roaming Scenarios Technical requirements & recommendations for services Other Technical Requirements & Recommendations Technical Requirements for QoS support Technical Requirements & Recommendations for Interfaces - 5G Scenarios Technical Requirements & Recommendations for Interworking & Coexistence with E-UTRAN & EPC Technical Requirements & Recommendations for Services Other Technical Requirements & Recommendations 4G & 5G Roaming Scenarios & Procedures course details Who will benefit: Those working in mobile networks. Prerequisites: None. Duration 3 days 4G & 5G Roaming Scenarios & Procedures course contents Architecture Models 4G Evolved Packet System 5G Core Network SGs Interface for CSFB& SMS over SGs Technical Requirements for Interfaces - 4G Roaming Scenarios General requirements for inter-PLMN interfaces Stream Control Transmission Protocol (SCTP) IAMETER S8 Interface SGW selection PGW selection GTP Transport Layer engineering S9 interface Implementation requirements Guidelines for DIAMETER over S9 S6a & S6d interface Gy interface Guidelines for DIAMETER over Gy Legacy interworking scenarios VPLMN has not implemented LTE HPLMN has not implemented LTE Co-existence scenarios Possible scenarios 2G/3G roaming agreement only 2G/3G LTE roaming agreement LTE roaming registrations Consequences of different APN approaches when roaming Guidance regarding the APN approach when roaming Inter-RAT handover Handover & access restrictions to/from 2G/3G & LTE (Active mode) Access restriction for 2G/3G and/or LTE (Idle mode) Handover of PDN Connections between GERAN/UTRAN & LTE Handover to/from non-3GPP accesses & LTE Bandwidth considerations ARP considerations at handover from LTE to 2G/3G Tech requirements & recommendations for Services SMS SMS over SGs Voice CSFB Roaming retry for CSFB Roaming Forwarding for CSFB Coexistence of Roaming Forwarding & Roaming Retry Recommended procedures IMS Voice Roaming Architecture Other Technical Requirements & Recommendations Access Control Addressing APN for IMS based services IMS Well Known APN APN for Home Operator Services Gateway Selection Inter-PLMN roaming handover Data off related functionality Emergency Services Emergency PDN connectivity Emergency Call indicator Security GTP Security DIAMETER Security DIAMTER Roaming hubbing Default APN E-UTRA NR Dual Connectivity with EPC GW Selection for E-UTRA-NR Dual Connectivity TAC/LAC Restriction Guidelines Technical Requirements for QoS support QoS parameters definition QoS Management in the Home Routed architecture QoS control for IMS APN in the S8HR architecture Support of QoS in GRX/IPX QoS Control in Local Breakout architecture Technical Requirements & Recommendations for Interfaces - 5G Scenarios General requirements for inter-PLMN interfaces Transport protocol - TCP/IP Serialisation protocol - JSON Interface Definition language - OpenAPI Application Protocol - HTTP2 Inter-PLMN (N32) Interface N32c N32f ALS & IPX HTTP Proxy SMF & UPF in HPLMN & VPLMN Requirements related to Service Based Architecture Naming, addressing & routing for 5G SA roaming SEPP load distribution SEPP administration, naming convention & routing SEPP HTTP redirections Technical Requirements & Recommendations for Interworking & Coexistence with E-UTRAN & EPC Interworking scenarios Coexistence scenarios Inter-RAT Handover Handover & Access restriction between 5GC & EPC Technical Requirements & Recommendations for Services Network slicing Voice, Video & Messaging Location support UE Route Selection Policy Other Technical Requirements & Recommendations Access control IP Addressing DNN for IMS based services Emergency PDU Session Emergency Services Fallback Security Steering of Roaming in 5GS Technical Requirements for QoS support 5G QoS model 5G QoS profile QoS Control