1292 BA courses in Liverpool

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.

SNMP training course description A hands-on generic look at the technical operation of SNMP. The course starts with an overview of all the components, which make up SNMP. Hands on starts early with configuration of a managed network. The major versions of SNMP are then put into perspective followed by a look at the SNMP protocol. MIBs are then studied both from the perspective of reading MIBs and writing MIBs. The course finishes with a look at the security implications of SNMP. What will you learn Describe the SNMP architecture. Analyse SNMP packets. Recognise the MIB structure. Describe the SMI. Recognise the strengths and weaknesses of SNMPv2 and SNMPv3. SNMP training course details Who will benefit: Network administrators. Network operators. Programmers writing MIBs and agents. Prerequisites: TCP/IP Foundation for engineers Hands on experience of an SNMP management station would also be beneficial. Duration 3 days SNMP training course contents Network management What is network management? Benefits, issues. What is SNMP? SNMP architecture, SNMP MIBs, SMI, the SNMP protocol, polling security, alternatives to SNMP: CMIP, web based management. Configuring SNMP Auto discovery for management stations, NMS configuration, agent configuration, traps. Hands on Configuring agents and an NMS. SNMP background SNMP history, RFCs, standards, SNMP protocol versions, SNMPv1, SNMPv2, SNMPv3, SNMP SMI versions, which version should you use? Futures. SNMPv1 packets SNMP in the 7 layer model, port numbers, general packet format, BER, GET, GET-NEXT, tables, SET, TRAP, bandwidth issues, in band versus out of band management. Hands on Analysing SNMPv1 packets. SNMPv2 packets SNMPv2 improvements, error handling, GETBULK, v2traps, INFORM. Hands on Analysing SNMPv2 packets. SNMPv3 packets SNMPv3 packet format, use of SNMPv2 messages, REPORT PDU. MIB structure The internet MIB branch, standard mib-2, extra parts of mib-2, private enterprise MIBs, loading extra MIBs. Hands on MIB browsing. mib-2 The mib-2 groups, system group, interfaces group, IP group, ICMP group, TCP group, UDP group, transmission group, SNMP group, RMON. Hands on mib-2 browsing in detail. SMI The MIB layout, obtaining a private enterprise number, MIB definitions, IMPORT, Module identity, Textual conventions, object definitions, notifications, compliance statements, object groups, base SMI data types, application data types, scalars, instances, tables, table definition, writing agents, SMIng. SNMP security Community strings, SNMPv1 and SNMPv2c security practices, SNMPv3 security, SNMPv3 architecture, SNMP applications, the SNMP engine, the EngineID, security fields in SNMPv3 packets, USM, authentication, encryption, timeliness, VBAC, SNMPv3 configuration.

IP broadcast training course description A current hot topic in recent years has been the provision of multimedia services over IP networks aka triple or quadruple play. This course investigates the characteristics of video transmission and then studies the impact on IP networks. What will you learn Use Wireshark to analyse and troubleshoot TV streams. Describe techniques, which can be used in IP to provide low uniform delay. Evaluate IPTV technologies. Design data networks, which will support IPTV. IP broadcast training course details Who will benefit: Anyone working in broadcast. Prerequisites: TCP/IP foundation for engineers Duration 3 days IP broadcast training course contents What is IPTV? What is IP? What is TV? Pixels, frames, colour, digital modulation, digital video broadcasting. SDTV, HDTV, 4K. IPTV architectures, Contribution, distribution, delivery. IPTV standards. Hands on Base IP connectivity, VLC. IPTV protocol stacks IP, TCP, UDP, RTP. IPv6. HTTP. Bandwidth requirements. Hands on IPTV bandwidth calculations. Video codecs What is a CODEC, pictures and audio, digitisation, sampling, quantisation, encoding, compressing. MPEG, bit rates, resolution. I, B, P frames, GOP. MPEG 2, MPEG 4, H.264, H.265, VP9, AV1. Hands on Analysing MPEG frames. IP issues Quality vs. bandwidth. Bandwidth, delay, latency, jitter, signalling. Routers. Hands on Analysing jitter and other performance issues. IPTV performance and QoS IP DSCP field, queuing strategies; FIFO, WFQ, custom, priority, RED. Differentiated services, Diffserv. 802.1Q. Traffic shaping. QoE. Hands on best effort versus prioritisation. UDP versus TCP Reliable, unreliable, connection oriented, connectionless. Broadcasts, multicasts and unicasts. TCP flow control, TCP and performance. Hands on TCP window sizes. RTP RTP, ports, mixers, translators, RTCP, SMPTE, FEC. Hands on RTP analysis with Wireshark. Multicasting Multicasting compared to unicasting and broadcasting, when to use and when not to use multicasting. IGMP, PIM-SM, SSM. MLD. Hands on Analysing multicast streams. OTT TV HTTP, HTTPS, Chunked HTTP. Adaptive streaming. HTML5. DASH vs HLS. Hands on Analysing HTTP streams. Security Firewalls, TLS, DRM, watermarking. Encryption. Geolocation. VPNs. IPTV architecture and other protocols Content providers, Service providers, delivery networks, home networks. Caching, Service discovery. RTSP. SAP, SDP. DHCP, DNS, NTP

IPTV training course description A current hot topic in recent years has been the provision of multimedia services over IP networks aka triple or quadruple play. This course investigates the characteristics of video transmission and then studies the impact on IP networks. What will you learn Use Wireshark to analyse and troubleshoot TV streams. Describe techniques, which can be used in IP to provide low uniform delay. Evaluate IPTV technologies. Design data networks, which will support IPTV. IPTV training course details Who will benefit: Anyone working with IPTV. Prerequisites: TCP/IP Foundation for engineers Intro to data communications & networking. Duration 3 days IPTV training course contents What is IPTV? What is IP? What is TV? Pixels, frames, colour, digital modulation, digital video broadcasting. SDTV, HDTV, 4K. IPTV architectures, Contribution, distribution, delivery. IPTV standards. Hands on Base IP connectivity, VLC. IPTV protocol stacks IP, TCP, UDP, RTP. IPv6. HTTP. Bandwidth requirements. Hands on IPTV bandwidth calculations. Video codecs What is a CODEC, pictures and audio, digitisation, sampling, quantisation, encoding, compressing. MPEG, bit rates, resolution. I, B, P frames, GOP. MPEG 2, MPEG 4, H.264, H.265, VP9, AV1. Hands on Analysing MPEG frames. IP issues Quality vs. bandwidth. Bandwidth, delay, latency, jitter, signalling. Routers. Hands on Analysing jitter and other performance issues. IPTV performance and QoS IP DSCP field, queuing strategies; FIFO, WFQ, custom, priority, RED. Differentiated services, Diffserv. 802.1Q. Traffic shaping. QoE. Hands on best effort versus prioritisation. UDP versus TCP Reliable, unreliable, connection oriented, connectionless. Broadcasts, multicasts and unicasts. TCP flow control, TCP and performance. Hands on TCP window sizes. RTP RTP, ports, mixers, translators, RTCP, SMPTE, FEC. Hands on RTP analysis with Wireshark. Multicasting Multicasting compared to unicasting and broadcasting, when to use and when not to use multicasting. IGMP, PIM-SM, SSM. MLD. Hands on Analysing multicast streams. OTT TV HTTP, HTTPS, Chunked HTTP. Adaptive streaming. HTML5. DASH vs HLS. Hands on Analysing HTTP streams. Security Firewalls, TLS, DRM, watermarking. Encryption. Geolocation. VPNs. IPTV architecture and other protocols Content providers, Service providers, delivery networks, home networks. Caching, Service discovery. RTSP. SAP, SDP. DHCP, DNS, NTP Hands on Fixing the network.

Oracle SQL training course description The Oracle SQL course is designed to give delegates practical experience in writing SQL statements and scripts using Oracle SQL. The basic SELECT statement, the use of SQL functions and the basic table and view handling statements are introduced. What will you learn Create SQL statements to query database tables. Use standard aggregate functions and related SELECT statement clauses. Join Tables. Use basic subqueries and the set operators. Use numeric, character and date functions. Use conversion and other miscellaneous functions. Use SQL parameters. Use complex subqueries. Create and alter tables and views. Insert, update and delete rows in database tables. Manage sequences and synonyms. Oracle SQL training course details Who will benefit: Anyone who needs to use and understand Oracle SQL to query and update data in an Oracle database. Prerequisites: None. Duration 3 days Oracle SQL training course contents Retrieving data with the SELECT statement The SELECT statement, The SELECT and FROM clauses, Conditions and the WHERE clause, Other conditional operators, Logical operators, The ORDER BY clause, Column aliases, Arithmetic expressions, Precedence of operators. Aggregate functions Overview of built In aggregate functions, The GROUP BY clause, The HAVING clause. Joining tables Overview of table joins, Inner joins, Table aliases, Outer joins, Self joins, ANSI standard joins. Basic subqueries and set operators Overview of subqueries, Basic subqueries, Set operators, The union, intersect and ,minus operators. Numeric, character and data functions Function types, Using the table dual to try out functions, Numeric functions, Character functions, String concatenation, Date arithmetic and date functions. Conversion and miscellaneous functions Conversion functions, The NVL and NVL2 functions, The DECODE function, CASE expressions, The COALESCE and NULLIF functions. SQL parameters Command line substitution parameters, The accept command, The define and undefine commands. Complex subqueries Subqueries usage, In-line views, Top-N queries, Subqueries with joins, Multi column subqueries, Correlated subqueries, Subquery rules, Using the ANY, ALL and SOME operators. Managing data Inserting rows, Updating rows, Deleting rows, Verifying updates, Transaction control, Commit and rollback, Savepoints, Commits and constraints, Amending data in SQL developer. Managing tables Creating tables, Specifying constraints, Altering tables, columns and constraints, Dropping tables, columns and constraints, Recovering dropped tables, Copying tables. Managing indexes and views Creating indexes, Dropping indexes, Listing indexes, Creating and using views, Dropping views, Listing views. Managing sequences and synonyms Create a sequence, View sequence details, Create a synonym, List synonyms.

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.

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

Supporting Microsoft SQL server course description A concise hands on course enabling delegates to manage and administer a Microsoft SQL server database. What will you learn Install SQL server. Backup SQL server databases. Recover SQL server databases. Secure SQL server databases. Perform routine maintenance. Automate tasks. Supporting Microsoft SQL server course details Who will benefit: Anyone working with Microsoft SQL server Prerequisites: Supporting Windows server. Duration 3 days Supporting Microsoft SQL server course contents SQL server introduction Platform, Tools, services. Installation. Creating databases. Backups Back up types, transaction logging, restoring from a backup: Full database, individual files. Security Users, server roles, database roles. Permissions. Monitoring Routine database maintenance. Performance data. Jobs and alerts The SQL server agent, database mail, alerts, jobs.

Apache training course description A hands on training course covering installation, configuration and management of the Apache web server. What will you learn Install Apache. Configure Apache. Manage Apache. Build static and dynamic web sites with Apache. Secure Apache. Apache training course details Who will benefit: Technical staff working with Apache. Prerequisites: TCP/IP foundation for engineers. UNIX fundamentals Duration 3 days Apache training course contents Installing Apache What is Apache? Apache versions, history, downloading Apache, source distribution, compilation, binary distribution, installation, platform considerations. Hands on Downloading and installing Apache. Controlling the Apache server Running Apache, automatic Apache start, starting, stopping, restarting Apache. Checking Apache status. Hands on Server control. Configuration Serving webpages, setting the document root, applying configuration changes, Configuration files, httpd.conf, syntax, directives, modules, utilities, turning features on/off. Hands on basic Apache configuration. More configuration MIME, URL mapping, content negotiation, indexing, performance tuning. Logging log file content, configuration, log file locations, error logging, browser errors, error page configuration, forbidden index pages. Hands on Log files. Security File permissions, .htaccess, protecting files with passwords, password files, authentication, restricting access by IP address. Secure HTTP HTTPS, installing mod_ssl, certificates, configuring mod_ssl, http and https coexistence Virtual hosts Multiple sites on one server, separate configuration files, IP based, name based, port based, virtual host names, enabling, defining, configuring, aliases, testing, https virtual hosts. Hands on Virtual hosts. Dynamic sites Dynamic sites, CGI, PHP, PERL, CGI programs, example CGI scripts, Apache and CGI, CGI parameters, CGI issues, PHP, mod_php, Perl and Apache, mod_perl, installing mod_perl. Hands on CGI, PHP and Perl with Apache. Modules What are modules, standard modules, loading modules, mod_speling, mod_rewrite, other special purpose modules, URL rewriting, redirection, URL transformation, browser dependent pages. Hands on Working with modules.

Definitive VPNs training course description A hands on course covering VPNs from the basics of benefits and Internet vs. Intranet VPNs through to detailed analysis of the technologies involved in VPNs. All the major VPN protocols are covered including PPPoE, L2TP, SSL, IPsec and dynamic VPNs. MPLS L3 VPNs are also covered. What will you learn Describe what a VPN is and explain the difference between different VPN types. Recognise the design and implementation issues involved in implementing a VPN. Explain how the various technologies involved in a VPN work. Describe and implement: L2TP, IPsec, SSL, MPLS L3 VPNs. Evaluate VPN technologies. Definitive VPNs training course details Who will benefit: Network personnel. Prerequisites: IP Security foundation for engineers. Duration 3 days Definitive VPNs training course contents VPN overview What is a VPN? What is an IP VPN? VPNs vs. Private Data Networks, Internet VPNs, Intranet VPNs, Remote access VPNs, Site to site VPNs, VPN benefits and disadvantages. VPN Tunnelling VPN components, VPN tunnels, tunnel sources, tunnel end points, hardware based VPNs, Firewall based VPNs, software based VPNs, tunnelling topologies, tunnelling protocols, which tunnelling protocol should you use? requirements of tunnels. VPN security components Critical VPN security requirements, Encryption and authentication, Diffie Hellman, DES, 3DES, RSA, PKI, Ca server types, pre shared keys versus certificates, Enrolling with a CA, RADIUS in VPNs. PPP Encapsulation, operation, authentication. Hands on Setting up PPPoE and analysing PPP packets. PPTP Overview, Components, How it works, control and data connections, GRE. Hands on Building a PPTP VPN. L2TP Overview, components, how it works, security, packet authentication, L2TP/IPSec, L2TP/PPP, Layer 2 versus layer 3 tunnelling. Hands on Implementing a L2TP tunnel. IPSec AH, HMAC, ESP, transport and tunnel modes, Security Association, use of encryption and authentication algorithms, manual vs automated key exchange, NAT and other issues. Hands on Implementing an IPSec VPN. Intranet VPNs Headers, architecture, label switching, LDP, MPLS VPNs. VPN products and services PE and CPE, management, various VPN products. VPN issues and architectures VPN architectures: terminate VPN before/on/ after/in parallel with firewall, resilience issues, VRRP, performance issues, QoS and VPNs. documentation.