343 Computing & IT courses in Belfast

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.

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.

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).

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.

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.

Windows clustering training course description This course covers high availability and disaster recovery technologies such as live migration, storage migration and Hyper-V Replica, as well as providing indepth coverage of failover clustering including a detailed implementation of failover clustering of Hyper- V using SoFS. The course also covers System Center Virtual Machine Manager and implementing Network Load Balancing (NLB) and load balancing clusters. What will you learn Plan and implement a failover cluster. Describe managing server roles and clustering resources. Implement and manage virtual machines. Use System Center Virtual Machine Manager. Describe cloud-based storage and high availability solutions. Implement a Network Load Balancing (NLB) cluster. Windows clustering training course details Who will benefit: Technical staff working with Microsoft clusters. Prerequisites: Supporting Microsoft Windows server Duration 3 days Windows clustering training course contents High Availability in Windows Server Defining levels of availability, High Availability and disaster recovery solutions with Hyper-V Virtual Machines, High Availability with failover clustering in Windows Server. Hands on Configuring High Availability and Disaster Recovery. Implementing failover clustering Planning a failover cluster, creating a new failover cluster. Hands on Creating and Administering a Cluster. Server roles and clustering resources Configuring highly available applications and services on a failover cluster, managing and maintaining a failover cluster, troubleshooting a failover cluster, implementing site high availability with multisite failover clusters. Hands on Managing server roles and clustering resources. Failover clustering with Hyper-V Overview of integrating Hyper-V with failover clustering, implementing Hyper-V with failover clustering, managing and maintaining Hyper-V Virtual Machines on failover clusters. Hands on Implementing failover clustering by using Hyper-V Storage Infrastructure Management with Virtual Machine Manager Virtual Machine Manager, managing storage infrastructure with Virtual Machine Manager, provisioning failover clustering in Virtual Machine Manager. Hands on Managing storage infrastructure. Cloud-Based storage and High Availability Azure storage solutions and infrastructure, cloud integrated storage with StorSimple, disaster recovery with Azure Site Recovery. Hands on Managing cloud-based storage and high availability Network Load Balancing Clusters Overview of NLB, configuring an NLB cluster, planning NLB. Hands on Implementing a Network Load Balancing Cluster

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.

Total IP multicast training course description This training course provides an advanced three day hands on study of IP multicast technology focusing on architectures, applications and protocols. All aspects of IP multicasting are covered including PC, server and switch implementations. Design, configuration, support and troubleshooting are all covered in the course. Hands on sessions are used to reinforce the theory rather than teach specific implementations. What will you learn Design multicast networks. Explain how multicast networks work. Compare and contrast the different multicast routing protocols, such as DVMRP, PIM, MBGP and SSM. Configure PCs, servers, switches and routers for multicasting. Configure multicast routing protocols including: PIM Dense Mode. PIM Sparse Mode BGP SSM Troubleshoot multicast networks. Total IP multicast training course details Who will benefit: Technical staff working with IP multicasts. Prerequisites: TCP/IP Foundation for engineers Duration 3 days Total IP multicast training course contents Introduction What is multicasting? Why multicast? Why not multicast? Multicasting vs. multiple unicasts, Multicasting vs. broadcasts, multicasting applications, the use of unicast addressing for setting up multicast applications, multicast use within standard protocols such as OSPF. hands on Example multicast applications. Addressing Layer two multicast addresses, Class D addresses, mapping layer 3 addresses onto layer 2 multicast addresses. Multicast addresses on NBMAs, scoping multicast traffic, Multicast address blocks, GLOP, IPv6 and multicasting, anycasting. hands on Multicast addressing. Multicast architectures Where the different protocols are used, PC to router, router to router, how switches can get involved. hands on Analysing multicast packets. PC to router Configuring Class D addresses, IGMP, packet formats, queries, reports, maintaining groups, enhancements to IGMP (v2 and v3), Leaving a group, querier elections, hands on Analysing IGMP packets. Switches and multicasting Controlling multicast traffic with switches, VLANS, static bridge table entries, IGMP snooping, CGMP. hands on Configuring switches for multicast environments. Router to router MOSPF, DVMRP, PIM Sparse Mode, PIM Dense Mode, MBGP. hands on Simple router configuration for multicasting. Theory behind multicast routing protocols Distribution trees, source distribution trees, shared trees, core based trees. Reverse path forwarding, Multicast routing protocol types. PIM DM: Flooding, pruning, PIM designated routers, hands on configuring PIM DM. PIM Sparse mode Rendevous points, discovering RPs, hands on Configuring PIM SM, using different protocols for different groups. PIM SM with one RP, using multiple RPs, Auto RP. MBGP Multiprotocol routing, how does MBGP work? How MBGP carries multiple protocol information, MBGP and multicasts, MBGP and IPv6. hands on Configuring MBGP for multicasts. Internet multicasting The internet, ISPs, the MBone, tunnelling, Inter domain multicasting, the role of MBGP, Inter domain problem, MSDP, MSDP operation SSM, PIM-SM and shared trees, SSM, PIM-SSM operation, SSM benefits. hands on MSDP configuration. SSM configuration.

IPv6 training course description IPv6 is the next generation Internet Protocol. This hands-on course looks at the benefits and features of the new protocol along with an assessment of the likely impact of the protocol and migration strategies. Practical exercises using PCs and routers follow the major sessions in order to reinforce the theory. What will you learn Configure PCs and routers for IPv6. Troubleshoot IPv6 networks. Analyse IPv6 packets. Plan migration strategies for IPv6. Integrate IPv6 and IPv4 networks. IPv6 training course details Who will benefit: Anyone working in the field of networking. Prerequisites: TCP/IP Foundation for engineers Duration 3 days IPv6 training course contents Introduction Reasons for IPv6, IPv4 weaknesses, what is IPv6? IPv4 solutions for solving address wastage, the origins of IPv6. hands on IPv6 on a PC, IPv6 on a router. IPv6 addressing IPv6 address allocation, address format, Prefixes but no masks, address categories, scope zones, aggregatable global unicast, link local, Unicast, Multicast, Anycast. Prefix delegation. hands on Link local addresses, manual address configuration, name resolution. Plug and play Plug and play addressing, ICMP neighbour discovery, router solicitation, DHCPv6, stateful autoconfiguration and stateless autoconfiguration. hands on Plug and play addresses and default gateways. The IPv6 header The IPv4 header, IPv6 header format, QoS, flow control, priority field, extension headers, hop by hop, destinations header, fragmentation header, security, IPsec, AH, ESP, TCP and UDP, ICMPv6. hands on IPv6 packet analysis. Migrating to IPv6 Overview, migration, dual stack, IPv4 compatible addresses, DNS, IPv6 DNS issues, AAAA records, IPv6 reverse delegation, DNS transport, protocol translators, NAT-PT, NAPT-PT, NAT64, DNS64, tunnelling, tunnel establishment, tunnel brokers, Tunnel types. hands on Dual stack operation, tunnelling, IPv6 name resolution. IPv6 routing IPv6 routing, RIPng packet format, RIPng for IPv6, OSPF for IPv6, MBGP, multiprotocol routing, MBGP and multicasts, MBGP and IPv6. hands on Base router setup for IPv6, IPv6 static routes, RIPng, OSPFv3. MBGP

LINX 1 training course description An intensive hands on IP foundation leading to LINX Accredited Internet Technician stage 1. The course focuses on all parts of TCP/IP including layers 4 to 7 on end stations as well as layer 3 on routers. The TCP/IP protocols are also studied to enable delegates to be able to troubleshoot TCP/IP using Wireshark. Hands on sessions are used to reinforce the theory rather than teach specific manufacturer equipment. A multiple choice exam, leading to the LAIT I certification, is available after the course. The exam consists of 40 questions and lasts 1.5 hours. What will you learn Use ping, traceroute and other tools to diagnose faults on a network. Configure IP on PCs and routers. Plan IP addresses and subnets. Analyse IP and TCP packets using an analyser. Troubleshoot TCP/IP. LINX 1 training course details Who will benefit: Network engineers. Prerequisites: None. Duration 5 days LINX 1 training course contents What is TCP/IP? TCP and IP are protocols, 7 layer model, network layers, hardware/software layers, internetworking, protocols, What is IP? What is TCP? The internet, The IAB, RFCs. Ping and Wireshark Host configuration, IP addresses, subnet masks, default gateways, ping. Hands on Base configuration. Testing with ping. Analysing packets with Wireshark. Switches and Wireshark Switches versus hubs, layer 2 forwarding table, flooding, broadcasts. Hands on Building a switched based network. Configuring network devices Configuration options, console port, putty, telnet. Hands on Configuring switches, telnet. IP IP packet format, protocol field, TTL, DiffServ, fragments, ICMP. Hands on IP packet analysis. IP addressing 32 bits, dotted decimal, rules, networks, role of subnet masks, simple subnetting, prefix notation. Broadcasts, special use addresses. Hands on Planning and implementing addressing. IP and the lower layers ARP, media not supporting ARP. Hands on ARP. Routing What are routers? What routers do, default gateways, routing and addressing, routing tables, ways to update routing tables. Hands on Building a routed network, traceroute. Routing protocols IGPs and EGPs, RIP, RIPv2, Why not to use RIP, OSPF, OSPF metrics, convergence, distance vector protocols, link state protocols. Hands on OSPF, analysing routing tables, loopbacks. Network simulators Network simulators, EVE-NG, GNS3, CML. Hands on Using EVE-NG. Subnetting Subnetting to the bit level, ranges, how prefixes are used. Hands on Subnetting. VLANS and IP addressing What are VLANs, tagging, 802.1Q, Inter VLAN routing. Hands on Inter VLAN routing. TCP and UDP Layer 4, port numbers, client ports, broadcasts multicasts and layer 4, UDP header, TCP header, connections, ACK, sliding windows, options, connection states. Sockets. Hands on Analysing TCP packets. IPv4 address configuration Private addresses, NAT, NAPT, dynamic addressing, DHCP, link local addresses. Hands on DHCP, NAT. IPv6 What is IPv6, 128 bit addresses, address formats, IPv6 address allocation, header format, migration, dual stack, tunnelling, NAT64, DNS64. Hands on IPv6 setup troubleshooting. IPv6 address configuration Static addressing, EUI-64 addresses, IPv6 address order, SLAAC, DHCPv6. Hands on SLAAC. Applications Clients, servers, HTTP, Email, resource sharing, VoIP, video, terminal emulation, remote desktop. Network management and SNMP. Hands on Servers, TFTP, VoIP packet analysis. DNS Names and addresses, hosts file, how DNS works. FQDNs, DNS client configuration. Hands on Troubleshooting DNS. Security Firewalls, firewall architectures, DMZ, how firewalls work, proxy servers, filtering, ACLs, IDS, VPNs, authentication, encryption, tunnels, secure protocols. Hands on Firewalls, SSH Troubleshooting Methods, tools. Using the 7 layer model. Troubleshooting toolkits. Hands on Fixing the network.