298 Courses in London

Database design training course description Although this course mentions Microsoft Access the same course can be run with a variety of different databases. The duration of the course is dependent on the experience of the delegates. What will you learn Name and give 3 types of database structure. Explain the difference between standard SQL and different flavours. Use SQL statements to query databases. Use SQL statements to query and define databases. Describe the principles of relational database design and 3 types of relational joins. Normalise a given flat file table into relational tables. Database design training course details Who will benefit: Anyone who needs to be able to design an efficient, watertight database following the best practice of the principles of Relational Database design. Prerequisites: None. Duration 3 days Database design training course contents Database structure and terminology. Principles of Relational Database Design. Types of relationship. Normal Forms. Practical examples of relational database design. Hands-on creation of a database. On paper design a relational database applicable to the delegates work.

MySQL Performance & Tuning training course description This MySQL Performance & Tuning course is designed for Database Administrators, Application Developers and Technical Consultants who need to monitor and tune the performance of MySQL servers and databases. The course provides practical experience in monitoring and tuning MySQL servers and databases. Note: This MySQL Performance & Tuning course does not cover clustering (other than at overview level), replication or non-standard storage engines such as Falcon and PBXT. What will you learn Develop a monitoring and tuning plan Use server configuration and status variables. Identify and improve problem queries. Make efficient use of indexes. Monitor and size memory caches and locks. Tune the MyISAM and InnoDB storage engine. Evaluate the use of partitioning for performance. MySQL Performance & Tuning training course details Who will benefit: Anyone who wishes to monitor and tune MySQL performance. Prerequisites: Delegates must have a working knowledge of MySQL Database Administration Duration 3 days MySQL Performance & Tuning training course contents Introduction to performance tuning Tuning overview, Resolving performance issues, Recommended approach to tuning, Items to evaluate, Where to look, Planning a monitoring routine, Building a new database for performance, Tuning an existing database, Setting suitable goals. MySQL performance tuning tools Administration tools, the information schema, performance-related SHOW commands, benchmarking tools, the MySQL performance schema, MonYog. Hands on Obtaining performance information. Schema design Normalisation, de-normalisation, naming conventions, load generation, stress testing and benchmarking tools, selecting data types, data types, character sets, choosing storage engines. Hands on effects of design on performance. Statement tuning Overview of statement tuning, identifying problem queries, the optimizer, explain, explain extended. Hands on identifying problem queries and using explain. Indexes Index overview, Types of index, Index tuning, Indexes and joins. Hands on Indexes and performance. Server configuration and monitoring Server configuration variables, server status variables, table cache, multi-threading, connection issues, query cache. Hands on setting and interpreting server variables and caching. Locking Types of locking, locking and storage engines, effects of locking on performance. Hands on locking and performance. The InnoDB engine Transactions, crash recovery, locking, monitoring InnoDB, caches and buffers, configuring data files, configuring the log files. Hands on InnoDB configuration and performance. Other storage engines MyISAM engine, merge engine, archive engine, memory engine, blackhole engine, CSV engine, the Spider engine, the ColumnStore engine, the MyRocks engine, mixing sorage engines. Hands on storage engine performance. Overview of clustering and performance Advantages of performance, advantages of clustering, performance issues and clustering, the NDBCluster engine, the Galera cluster, the Percona XtraDB cluster, MySQL InnoDB cluster, the federated engine, the federatedX engine, overview of other high availability techniques. NOSQL and Mencached overview. Dumping and loading data SQL statements versus delimited data, parameters affecting dump performance, parameters affecting load performance. Hands on dump and load performance. Partitioned tables Partitioned tables concepts, range partitioning, hash partitioning, key partitioning, list partitioning, composite partitioning or subpartitioning, partition pruning. Hands on partitioned table performance.

Administering Microsoft SQL Server course description This course provides students with the knowledge and skills to maintain a Microsoft SQL Server database. The course focuses on how to use SQL Server 2016 product features and tools related to maintaining a database. Note: This course is designed for customers who are interested in learning SQL Server 2014 or SQL Server 2016. It covers the new features in SQL Server 2016, but also the important capabilities across the SQL Server data platform. What will you learn Describe core database administration tasks and tools. Configure SQL Server databases and storage. Import and export data. Monitor SQL Server. Trace SQL Server activity. Manage SQL Server security. Audit data access and encrypt data. Administering Microsoft SQL Server course details Who will benefit: Individuals who work with SQL Server databases. Individuals who develop applications that deliver content from SQL Server databases. Prerequisites: Introduction to data communications & networking. Duration 3 days Administering Microsoft SQL Server course contents Introduction to SQL Server administration Database administration, SQL Server platform, database management tools and techniques. Hands on SQL Server Management Studio, sqlcmd Windows PowerShell with SQL Server. Working with databases and storage Data storage with SQL Server, managing storage for system databases, managing storage for user databases, moving database files, configuring the buffer pool extension. Hands on Configuring tempdb storage, creating databases, attaching a database. Importing and exporting data Transferring data, importing and exporting table data, copying or moving a database. Hands on import and export wizard, bcp utility, BULK INSERT statement, OPENROWSET function. Monitoring SQL Server 2014 Monitoring SQL Server, dynamic management views and functions, performance monitor. Hands on Baseline metrics, monitoring a workload. Tracing SQL Server activity Tracing workload activity, using traces. Hands on Capturing a trace in SQL Server profiler, generating tuning recommendations. Managing SQL Server security SQL Server security, server-level security, database-level principals, database permissions. Hands on SQL Server security. Testing access.

Asterisk training course description This 3 day hands on Asterisk training course covers all the ground for you to get an Asterisk PBX installed and configured. After installation the course progresses from a simple first configuration onto VoIP and PSTN integration along with the provision of PBX features such as ACD and IVR. Practical sessions follow each major section to reinforce the theory. What will you learn Install and configure Asterisk. Connect Asterisk to the Internet and PSTN. Integrate VoIP and the PSTN. Configure Asterisk for PBX features such as voicemail, ACD and IVR. Asterisk training course details Who will benefit: Technical staff working with or evaluating Asterisk. Prerequisites: None although hands on experience of UNIX systems would be beneficial, as would knowledge of VoIP. Duration 3 days Asterisk training course contents What is Asterisk? PBXs, what Asterisk does, Asterisk features, Asterisk VoIP support, Asterisk and the Internet, Asterisk and the PSTN, hosted VoIP systems. Asterisk installation Linux installation, Asterisk package compilation and installation. Timing sources. Hands on Installing Asterisk Managing Asterisk Starting/stopping Asterisk, command arguments, Asterisk commands, log files, logger.conf, remote management. Hands on Controlling Asterisk. First Asterisk configuration The role of SIP, IP phones, DHCP, IP addressing, sip.conf, extensions.conf. Hands on Simple SIP configuration Asterisk architecture Server hardware, interfaces, channels, Zaptel, Digium, Asterisk filesystem, connections. The configuration files, syntax, asterisk.conf. Hands on Adding hardware for Asterisk, exploring the configuration files. DAHDI configuration Digium hardware, DAHDI architecture, DAHDI installation, DAHDI configuration, system.conf, FXS, FXO, E1, chan_dahdi.conf, dahdi_cfg, DAHDI tools. Hands on Connecting Asterisk to the PSTN. Dial plans extensions.conf detail, contexts, priorities. Hands on Configuring dial plans. SIP configuration sip.conf in detail, defining SIP channels, incoming SIP channels, outgoing SIP channels, SIP variables, Asterisk as a SIP client and SIP server. Hands on SIP configuration. IAX configuration What is IAX, IAX server, IAX client, IAX channels, iax.conf, IAX syntax in extensions.conf, IAX trunking. Hands on Linking Asterisk systems. Implementing PBX functions Voicemail, voicemail trees, voicemail passwords, Music on hold, meetme conferencing, call parking. ACD, IVR, fax. Hands on Configuring PBX features.

MPLS training course description A hands-on introduction to MPLS covering the basics of what MPLS is and how to configure it, through to more advanced concepts such as MPLS VPNs and traffic engineering with MPLS. What will you learn Describe MPLS Explain how MPLS works Describe the interaction between OSPF/IS-IS/BGP and MPLS Describe MPLS traffic engineering MPLS training course details Who will benefit: Anyone working with MPLS. Prerequisites: IP Routing BGP Duration 3 days MPLS training course contents What is MPLS? What does MPLS stand for? What is MPLS? Core MPLS, MPLS and the 7 layer model, MPLS is a protocol, MPLS is a standard, MPLS runs on routers, MPLS history, Why MPLS? For service providers, For enterprises. MPLS Architecture Label Switch Routers, two types of LSR, PE and P router roles, FEC, swapping labels, MPLS packet format, Loops, TTL control. Hands on: Building the base network. Enabling MPLS. Simple testing and troubleshooting of MPLS. Label distribution Label review, label switch path, label distribution methods, piggybacking, Label distribution Protocols, LDP, LDP operation, LDP packets, discovery messages, session messages, advertisement messages, notification message, Label Information Base, routing tables, the LFIB, MPLS forwarding, penultimate hop popping, handling labels, LSP control modes, when to distribute labels, how long to keep labels, aggregation, label merging. Hands on: LDP traffic analysis. MPLS TE and QoS What is MPLS TE? Why TE? TE versus shorted path, how MPLS TE works, CR-LDP, OSPF-TE, IS-IS-TE, TE with BGP, RSVP-TE, MPLS Fast reroute, MPLS QoS. Hands on: Enabling MPLS-TE. BFD BFD, hello the BFD protocol. MPLS VPN What is a VPN? MPLS VPN types, MPLS VPN comparison, MPLS L3 VPN, VRFs, MBGP, MPLS VPN architecture, VRF RD, VRF RT, the label stack, L2 VPNs, VPWS, AToM, VPLS. Hands on: MPLS L3 VPN setup, troubleshooting.

SMTP training course description A hands on course focusing on the workings of email systems and the standard protocols that they use. The course is not specific to any particular implementation, but some vendor specifics are noted. Linux and Microsoft machines are used in hands on sessions to reinforce the theory of major sessions. The course concentrates on troubleshooting and interworking using network sniffing and protocol inspection rather than "which buttons to push". What will you learn Describe and explain SMTP MIME POP3 IMAP PGP, GPG, S/MIME SPF, DKIM, DMARC Configure mail routing Secure email systems SMTP training course details Who will benefit: Technical staff responsible for email systems. Prerequisites: TCP/IP foundation for engineers. Duration 3 days SMTP training course contents SMTP architecture What is SMTP, email before SMTP, SMTP history, the different protocols, clients, servers. Email composition, transmission, delivering emails, storing and reading emails. MUAs, MTAs, POP3, IMAP, SMTP, DNS, webmail. Hands on Setting up MTAs and MUAs and sending a simple email using telnet. The SMTP protocol SMTP protocol stack, SMTP headers, HELO, SMTP mail, MAIL FROM, RCPT TO, DATA, SMTPUTF8, 8BITMIME, TURN, EHLO, ETRN, 3 digit replies. Hands on Analysing SMTP packets on a network. DNS and SMTP SMTP forwarding, SMTP relays, interoperation, how SMTP uses DNS, MX records. Hands on Setting up mail relays. SMTP headers IMF data, From, to, cc, bcc, sender and recipient headers, message Ids, received trails, in-reply-to, received-SPF, mail list headers. Hands on Using clients to analyse details from mail headers, including true originators and path of emails. MIME Email attachments, MIME versions, content type headers, encoding, base 64, binary data, multi part headers, troubleshooting attachments. Hands on Analysing MIME headers and attachments. POP3 What is POP3, where to use POP3, authorisation, transactions, POP3 commands: USER, PASS, STAT, LIST, RETR, DELE. Hands on Setting up a POP3 server, analysing POP3 packets on a network. IMAP and IMAPS What is IMAP, where to use IMAP, authorisation, mailbox structure, IMAP commands: LOGIN, AUTHENTICATE, LIST, CREATE, Examine (message flags), SELECT, STORE. Hands on Setting up an IMAP server and analysing IMAP packets on a network. Interoperation Mail gateways, addressing, Exchange, sendmail. Email security Basics, Transport level: STARTTLS. Content: PGP/GPG, mail signing and encryption, S/MIME, digital certificates, secure email submission. Hands on Setting up and using a PGP key, configure MTAs to use TLS. Email authentication and spam prevention Mail relays, grey listing, block list & RBL, DNSBL (Real-time Black hole List), White list, SPF, Domain Keys Identified Mail (DKIM), Author Domain Signing Practices (ADSP), Abuse Report Format (ARF), Domain-based Message Authentication, Reporting and Conformance (DMARC). Hands on Relay spamming and the blocking spamming.

Video conferencing over IP course description A current hot topic in recent years has been the provision of multimedia services over IP networks - triple play. This course investigates the characteristics of video transmission and then studies the impact on IP networks. What will you learn Describe the issues of video and data convergence. Describe techniques, which can be used in IP to provide low uniform delay. Evaluate video technologies. Design data networks, which will support video.. Video conferencing over IP course details Who will benefit: Technical staff. Prerequisites: TCP/IP fundamentals Intro to data communications & networking Duration 3 days Video conferencing over IP course contents Review Traditional video, digital video, video formats, MPEG, brief review of IP, Uses of video: downloading, streaming, TV, CCTV, conferencing. Video over IP issues Delivery methods: FTTH, ADSL, VDSL, 3G and others. Bandwidth, delay, jitter, signalling. Digitising video, CODECS, packetising video, comparison of techniques. IP performance and QOS IP TOS field, queuing strategies; FIFO, WFQ, custom, priority, RED. Differentiated services, diffserv. Video over IP protocol stack RTP, RTCP, mixers and translators, RSVP. IPv6. Conferencing Traditional solutions, Video conferencing over IP, point to point, multipoint, architectures, bridges. IETF - Session Initiation Protocol Comparison with H.323, SIP proxy, proxy server, redirect server. SDP. Multicasting Multicasting compared to unicasting and broadcasting, when to use and when not to use multicasting. IGMP, DVMRP, PIM. Security Impact of firewalls and NAT, ISMA, DRM, DTCP.

VoIP training course description Convergence of voice and data is now a common place mainstream technology. Our Voice Over IP course investigates the characteristics of voice transmission and then studies the impact on IP networks. Practical sessions with soft phones, hard phones and gateways allow the students to see all aspects of VoIP. Network analysers are used to study packets on the wire. What will you learn Describe the issues of voice and data convergence. Describe techniques, which can be used in IP to provide low uniform delay. Evaluate VoIP technologies. Design data networks, which will support voice. VoIP training course details Who will benefit: Anyone working in the field of networking or telecommunications. Prerequisites: TCP/IP foundation for engineers Intro to data communications & networking Duration 3 days VoIP training course contents What is VoIP Voice over IP, brief review of IP, brief review of telephones and voice. Configuring IP softphones What are softphones? Downloading, installing. Hands on Building the base IP network, a simple VoIP call with softphones, Internet telephony. Addressing E164, FQDN, IP addresses, URIs, DNS, SIP addressing, H.323 addressing. VoIP issues Bandwidth, Delay, Jitter, digitising voice, digitisation steps, coding, quality issues, MOS, voice compression, silence suppression, packetising voice, prioritising voice, jitter buffers. Hands on Simple packet analysis. Architectures Desktop, backbone, gateway, hard phones, PoE, integrating phones and PCs, carriers, Softswitches. Hands on Integrating Softphones, hard phones and analog phones. IP performance and QoS ITU delay recommendations, IP DSCP field, DiffServ, IP precedence, queuing strategies; FIFO, WFQ, custom, priority, RED, LLQ. VoIP protocol stack RTP, RTCP, mixers and translators, RSVP. Bandwidth, Erlang models, link layer overhead. Hands on Calculating VoIP bandwidth, analysing RTP packets. ITU Recommendation H.323 Architecture, protocols, terminals, Call setup, Gatekeepers, gateway discovery, H.323 registration with a gatekeeper. Hands on PC to PC using H.323. IETF - Session Initiation Protocol What is SIP? SIP protocol stack, SDP, Sip architecture, SIP messages, Initial SIP phone startup, SIP servers, proxy server, redirect server. Hands on PC to PC using SIP. Carrier networks Signalling systems, SS7, media gateways, Media gateway controllers, signalling gateways, MGCP, Megaco, SIGTRAN. Hands on PSTN interworking. Video over IP Video components, digital video, pictures and audio, video codecs, issues and solutions, video conferencing, multipoint video conferencing, video protocol stack. Appendix 1: Multicasting. Appendix 2: Voice/data integration without IP.

DNS training course description This three-day hands on DNS training course studies both the UNIX BIND and the Microsoft (MS DNS) implementations. The course starts with the big picture of how DNS works, then client configuration. Primary and secondary servers are then configured, progressing to DDNS, subdomains and security issues. Hands on sessions follow all sections ensuring that troubleshooting techniques are used throughout the course. Students choose whether to use Windows or UNIX for the hands on sessions. What will you learn Describe the architecture of DNS. Explain how DNS works. Install, configure, maintain and troubleshoot DNS DNS training course details Who will benefit: Technical staff wanting to learn DNS including: Network personnel System administrators. Prerequisites: UNIX Fundamentals (or Windows knowledge). TCP/IP foundation for engineers. Duration 3 days DNS training course contents What is DNS? Hostnames, Name resolution, host files, host file problems, What is DNS? The DNS namespace, TLDs, gTLDs, registering domains, Nameservers, how DNS works. Hands on Testing DNS servers on the Internet. DNS clients Ways to use DNS, dynamic and static configuration, multiple nameservers, domain name, searchlist, resolution issues, testing the configuration. Hands on Client configuration. DNS server software Implementations, Microsoft, BIND, daemons and services, installation, starting and stopping servers. Hands on Setting up a DNS server. DNS zone files What is a zone, Zone file overview, Forward zones, Reverse zones, Resource records, A records, PTR, CNAME, Root hints, local zone file. BIND and Microsoft configuration. Hands on Server configuration files. NS and applications MX records, Mail server load balancing, SPF, SRV records, VoIP and SRV, Microsoft and SRV, NAPTR. Hands on Testing records with dig and nslookup. DNS slaves and other servers DNS server types, Server resilience, Slaves, Zone transfers, SOA records, Serial numbers, recommendations, polling based zone transfers, NOTIFY, AD integration, DNS caching, Negative caching, TTL, Caching only servers. Hands on Masters, slaves and zone transfers. The DNS protocol The DNS stack, DNS port numbers, DNS queries, The DNS header, header section format, question format, other section format. Hands on Troubleshooting DNS with Wireshark. Dynamic DNS DHCP, DDNS, IXFR, WINS integration. Hands on Dynamic DNS. Subdomains Root servers, root server selection, Authority, delegation, NS records, subdomain with and without delegation, reverse delegation. Hands on Delegation, setting up a subdomain server. DNS security Restricting queries, DNS and firewalls, Split DNS, forwarders, internal root servers, the use of proxy servers, DNSSEC, TSIG. Hands on Hardening a DNS server. DNS and IPv6 What is IPv6, IPv6 addressing, IPv6 DNS issues, AAAA, IPv6 reverse delegation. Troubleshooting DNS Problem solving, DNS troubleshooting, Zone file checking, Some common errors, Log files, tools, nslookup, dig, host, DNS design, performance, load balancing. Hands on Putting it all together. Summary Useful books, Internet sites, RFCs. Appendix: ENUM What is ENUM, How ENUM works, NAPTR.

OSPF training course description A detailed hands on examination of OSPF. Hands on sessions are used to reinforce the theory rather than teach specific manufacturer equipment. The course starts with a recap of reading routing tables and then jumps straight in with simple OSPF configuration. OSPF features are then studied and configured before moving onto how OSPF works within an area. Multi area OSPF is then studied before looking at OSPF operation in detail by analysing OSPF packets. Finally areas are covered again in more detail followed by troubleshooting. What will you learn Design OSPF networks. Design IP addressing schemes suitable for route summarisation. Troubleshoot OSPF networks. Describe the operation of OSPF. OSPF training course details Who will benefit: Technical staff working with OSPF. Prerequisites: TCP/IP Foundation for engineers Duration 3 days OSPF training course contents Basic routing and OSPF Reading routing tables, routing protocols, What is OSPF? Process IDs, passive interfaces. Hands on Simple OSPF configuration. OSPF History of OSPF, metrics, costs, convergence, Distance Vector vs. Link state routing protocols, IGPs, classless, OSPF features, load sharing, per packet/destination, OSPF authentication. Hands on Configuring OSPF features. OSPF within an area How OSPF works, LSDB, LSDB benefits and disadvantages, LSA types, Type 1 and 2, LSA propagation, router IDs, hellos, configuring hellos, the exchange protocol. Hands on Investigating OSPF structures. Areas Scalability, why areas? Area IDs, area 0, ABRs, ABR resilience, areas & LSDBs, areas & LSAs, Type 3 LSAs, virtual links. Hands on Multi area OSPF. Redistribution Multiple routing protocols, common scenarios, routing distance, External LSAs, E1 and E2. Type 4 LSAs. OSPF and default routes. Hands on Configuring static route redistribution. Route aggregation Route summarisation. How to aggregate, ABR summarisation, ASBR summarisation. Hands on OSPF address summarisation. OSPF packet formats OSPF packets, protocol stack, OSPF stages, packet flows, packet types, the OSPF header, multicasts, Hello, DDB, LS request, LS update, LS ACK, LSA header, LSA formats, neighbours, neighbour states, DRs, adjacencies, BDRs, DR election. Hands on Analysing OSPF packets, troubleshooting. OSPF network types BMA, NBMA, Point to point links. Hands on Configuring OSPF over Frame Relay. OSPF stub areas LSA types, area types, area architecture, stub areas, default routes, benefits and disadvantages of stub areas, TSSAs, NSSAs, Type 7 LSAs. Hands on Stub and TSSA configuration. The OSPF MIB SNMP overview, MIB 2, the OSPF MIB, OSPF MIB groups, useful objects, OSPF traps. Hands on the OSPF MIB. troubleshooting. Summary RFCs, OSPF design guidelines. OSPF variants (appendix) OSPF on demand, MOSPF, multicast overview, Type 6 LSAs, OSPF for IPv6 (OSPFv3).