338 Computing & IT courses in Cardiff

Essential DHCP training course description Almost all businesses use DHCP. This course builds on delegates existing IP knowledge and focuses on IP Address management using DHCP. Also covered is the role of DHCP in plug and play environments. What will you learn Explain how DHCP works. Configure DHCP servers. Troubleshoot DHCP. Essential DHCP training course details Who will benefit: Anyone working with TCP/IP. Prerequisites: TCP/IP Foundation for engineers Duration 1 day Essential DHCP training course contents Introduction What is DHCP?, IP configuration: Address, mask, default gateway, DNS. History of DHCP: RARP, BOOTP. Hands on Client configuration, releasing and renewing. DHCP servers Installation. Base configuration: Scope. Lease period. DHCP options. Hands on Server setup, Impact of lease times. Server monitoring. How DHCP works Client states. Obtaining, renewing leases. DHCP messages: DISCOVER, OFFER, REQUEST, NAK, ACK, DECLINE, RELEASE, INFORM. Hands on Troubleshooting DHCP using Wireshark. DHCP architecture DHCP relay agents. Server platforms, resilience, DHCP fail over, split scopes. Dynamic DNS and DHCP. Hands on DDNS, routers, Troubleshooting.

NTP and PTP training course description This course looks at timing and synchronization as provided by NTP and PTP. Hands on sessions primarily involve using Wireshark to analyse the protocols. What will you learn Recognise the importance of timing and synchronisation. Explain how NTP works. Explain how PTP works. NTP and PTP training course details Who will benefit: Anyone using NTP or PTP but particularly relevant for those in the broadcast industry. Prerequisites: TCP/IP foundation for engineers Duration 1 day NTP and PTP training course contents Introduction Clock drift. Timing and synchronization. Importance in computing. Importance in broadcasting. NTP NTP versions, v0 to v4. Architecture. The intersection algorithm. Accuracy. Clock strata, Stratum 0, 1, 2 and 3. Protocol modes. Hands on NTP configuration More NTP NTP packet header. Timestamps. Variables in the header. Clock synchronization algorithm. SNTP. The Windows Time service. Hands on Wireshark and NTP analysis. PTP PTP v2, IEEE 1588. Architecture. Accuracy. Synchronization with PTP. Offset and delay. Hands on Analysing PTP packet flows. More PTP Ordinary clocks, boundary clocks, masters and grandmasters. PTP specific switch types. Hardware time stamping. SMPTE ST2059-2. PTP packet header. PTP domains. Best master clock algorithm. Hands on More Wireshark and PTP.

WiFi demystified training course description A concise overview aimed at less technical staff requiring an overview of WiFi networks. The course covers the technologies at a high level allowing delegates to discuss WiFi networks with others recognising the buzzwords used. The course will also allow the delegates to recognise the issues involved in planning and installing WiFi networks as well as securing them. What will you learn Recognise the different WiFi technologies available. Describe the architecture of WiFi networks including the role of Access Points. Recognise the distance limitations of WiFi networks. Describe the buzzwords used in WiFi. Recognise the security issues of WiFi networks. WiFi demystified training course details Who will benefit: Anyone working with WiFi networks. Prerequisites: None. Duration 1 day WiFi demystified training course contents Introduction When to use wireless, when to use wired, WiFi technologies: 802.11, 802.11a, 802.11b, 802.11g, 802.11n, WiFi speeds and distances, comparison to other wireless technologies, 802.15 (Bluetooth), 802.16 (WiMax). Simple WiFi networks Network cards, Antennae, Access Points, WiFi routers. Enterprise WiFi networks SSIDs, Multiple WiFi networks, Repeaters, Wireless bridges, Controller based access points, Wireless switches, Power Over Ethernet. RF site surveys Steps and techniques, tools, analysing the feasibility of WiFi, range, performance, roaming. Security How safe are WiFi networks? Encryption, Authentication, WEP WPA WPA2. 802.1x, EAP, RADIUS.

OpenView training course description A hands-on course focusing on network management using HP OpenView network node manager on Microsoft Windows or UNIX. What will you learn Recognise the benefits of ADSL. Describe the network management architecture. Use HP OpenView. Diagnose faults using HP OpenView. Recognise the MIB structure. OpenView training course details Who will benefit: Technical staff wanting to learn DNS. Prerequisites: TCP/IP Foundation Duration 2 days OpenView training course contents Network management What is network management?, Benefits, issues, demonstration. Getting started with HP OpenView Starting HP OpenView, IP discovery, IP monitoring, controlling IP discovery. Using HP OpenView Mapping devices, map layouts, maps and submaps, objects and symbols, object attributes, colour codings, polling. Agents Configuring Cisco devices for SNMP support, communities, traps, syslog. Parts of SNMP SNMP architecture, MIB's, The protocol. HP OpenView SNMP configuration HP OpenView alarm browser HP OpenView alarms, alarm categories, filtering alarms, alarm details window. MIB's MIB1, MIB2, The MIB2 groups, additional MIB's, MIB compilers, vendor MIB's. HP OpenView MIB loader and browser. Monitoring devices Polling, obtaining MIB information. Diagnostic tools Poll node, the ping window, protocol test, locate route HP OpenView fault management Alarms, polling, fault management, setting thresholds and configuring traps.

Carrier Ethernet training course description Ethernet is now the interface of choice for nearly all networking. This comprehensive course looks at the ways carriers can provide this Ethernet interface for their WANs and MANs. The course assumes delegates already have a solid foundation in Ethernet switching and so concentrates on just the Ethernet technologies for Carrier Ethernet. What will you learn Describe the main Carrier Ethernet services. Evaluate transports for Carrier Ethernet. Explain how Ethernet can work over MPLS and SDH. Explain the Ethernet technologies used to enable Carrier Ethernet. Carrier Ethernet training course details Who will benefit: Network engineers. Staff working for carriers. Prerequisites: Definitive Ethernet switching for engineers. Duration 2 days Carrier Ethernet training course contents Introduction What is Ethernet? LANs, MANs, WANs, Ethernet and switches in the LAN. Traditional LAN/WAN integration, routers. The Ethernet interface for the WAN. Standards: IEEE, MEF, OIF, Ethernet Alliance. Carrier Ethernet Services E-line: EPL, EVPL. E-LAN: EP-LAN, EVP-LAN. E-Tree: EP-Tree, EVP-Tree. Ethernet Services attributes. Applications: Carrier Ethernet for businesses, Mobile backhaul. Multicasting. Service attributes Bandwidth profiles, bandwidth parameters, Class of Service, QoS, MTU, Protection mechanisms: STP, RSTP, MSTP, Link aggregation, G.8031, G.8032. Transporting Carrier Ethernet The main options. 'Pure' Ethernet, Ethernet over SDH, Ethernet over WDM, Ethernet over MPLS. Ethernet switching, addresses and MAC address tables. Carrier Ethernet access technologies. EFM. Ethernet over MPLS What is MPLS, MPLS-TE, MPLS-VPN, L2 VPNs, VPLS, VPWS. MPLS Fast Reroute. CET 'Pure' Ethernet, Provider bridging 802.1d, Provider Backbone Bridges 802.1ah. Traffic engineering 802.1Qay. Carrier Ethernet technologies 802.1ad VLAN stacking, 802.1AX Link aggregation. 802.1Q QoS. OAM Standards, layers, interworking

3Com switches training course description A hands on course covering the product specifics of 3Com switches. Installation, configuration, maintenance and troubleshooting are all covered in a practical oriented way. What will you learn Install 3Com switches. Use the command line interface and the web based interface to manage 3Com switches. Configure and troubleshoot 3Com switches. Configure and troubleshoot 3Com switches. Perform software upgrades. 3Com switches training course details Who will benefit: Anyone working with 3Com switches. Particularly aimed at engineers and technicians supporting 3Com switches. Prerequisites: None. Duration 2 days 3Com switches training course content Introduction How Ethernet works with hubs, How Ethernet works with switches. Installing 3Com switches. Hands on Building a network with a hub, building a network with a 3Com switch. Basic troubleshooting The 3Com switch range, LEDs, cabling issues, system resets, default settings. Hands on Building a network with multiple 3Com switches. Configuration methods Managed vs. unmanaged switches, Console port access, telnet, web based access, SNMP, saving configurations, NVRAM, switch stacks. Hands on Accessing the switch using the console, IP address configuration, telnet. Console interface Default users, passwords, the menus, menu options, online help, CLI commands. Hands on Setting passwords, displaying the switch configuration. Web based interface Getting started, basic format. Hands on Configuring the switch using the web interface. Port configuration Common port configuration tasks, port aggregation, resilient links. Hands on Configuring ports. STP configuration What is STP? Configuring STP. Hands on Enabling and disabling STP, configuring STP. VLAN configuration What are VLANS? 802.1Q, tagged/untagged, creating VLANS, applying VLANS. Hands on Setting up VLANS, setting up 802.1Q, Inter VLAN traffic. Housekeeping TFTP, software upgrades Hands on Software upgrade. SNMP SNMP configuration, Transcend, other NMS's. Hands on Using SNMP to manage a 3Com switch, putting it all together: troubleshooting.

Peering at LINX training course description A one or two day induction course covering the technical procedures of LINX along with correct interaction with LINX and LINX members. This course focuses on the implementation of the technologies within the LINX network. For those already competent in BGP the one day version of this course is sufficient. What will you learn Explain the role of LINX in the Internet. Correctly connect to LINX. Recognise the correct procedures for peering at LINX. Use the current Best Current Practices. Peering at LINX training course details Who will benefit: Technical staff of new LINX members. Technical staff of companies preparing to join LINX. Non technical staff may also benefit from this course. Prerequisites: None. (For technical staff with BGP knowledge 1 day) Duration 1 to 2 days Peering at LINX training course contents Introduction and review Networks, The Internet, IP, routers, Autonomous systems, the structure of the Internet, the role of Internet Exchanges. BGP and peering. LINX, EuroIX, RIPE. What you get when you join LINX. LINX products: Connexions, Virtual PoPs, Colocation resales, LINX from anywhere. LINX infrastructure The original architecture, The growth of LINX, the current topology. LINX London locations. Dual LAN topology. LON1, LON2. Use of MPLS to connect London sites. Regional peering: LINX NoVa, LINX Manchester, LINX Wales, LINX Scotland, ManxIX, JEDIX. Connecting with LINX nnecting with LINX Locations. 1/10/100/400G. Interface specifications. Link aggregation. The racks and space provided, access to the racks, connecting WAN circuits into LINX. The connection form, How to link your ISP with LINX, switch assignments, limits on traffic, average measured traffic, getting statistics from LINX, Using looking glass. Allowed traffic. Port security Configuration hints LINX IP details, IPv4, IPv6, PTR records, Cisco base configuration, Juniper base configuration. Peering with other LINX members Preparing for peering, the peering template, setting up the peering, RFC 2142, the RIPE database, contacts, peeringdb.net, solving downed BGP sessions, escalation procedures. Peering configuration hints Cisco BGP configuration, Juniper BGP configuration. LINX additional services Private interconnect, LINX time service. NTP, Strata. The LINX route server Bi lateral peering, Multi lateral peering. How the LINX route server is configured. Use of communities on the route server, template for peering with the route server. Summary Getting further information, the LINX website, the LINX mailing lists.

Fibre splicing training course description A short, concise hands on fibre optic cable splicing course providing comprehensive coverage of fibre splicing. Over 50% of the course is practical based. What will you learn Prepare cable for splicing. Splice fibre optic cable. Fibre splicing training course details Who will benefit: Those wishing to be able to splice fibre. Prerequisites: None. Duration 1 day Fibre splicing training course contents Fibre optic essential review Fibre cable types. SMF, MMF. Safe working practices. Cable handling issues. Hands on: Handling fibre optic cable. Preparing fibre for splicing Cutting and stripping tools, cleaving methods, fibre cleaning materials. Hands on: Fibre preparation. Splicing Joining fibres, splicers, fusion splicing, mechanical splicing, splicing procedure. cleaving, splicing parameters. Splicing vs. connectors. Which splice? Hands on: Splicing fibre. Splice loss mechanisms End gap, concentricity, end angle, NA mismatch, finish and dirt, coaxiality, Axial run out, core mismatch, back reflection. Testing Testing successful fibre splicing. Hands on: Testing spliced fibre.

LAN training course description A concise overview course covering Local Area Networks with particular emphasis on the use of Ethernet and Wireless LANS. As well as explaining buzzwords we cover how the technology works at a simple level. After defining LANs the course moves onto Ethernet and switching also covering VLANs. WiFi is then covered, with coverage of 802.11 standards and frequencies along with integrating WiFi with Ethernet. The course then covers routers and their role in connecting networks and the course finishes with a comparison of Ethernet vs WiFi and when to use them. What will you learn Describe how Ethernet works (in simple terms) and when to use Ethernet. Explain the difference between a switch and a router. Describe how WiFi works (in simple terms). Describe the role of Access points. Evaluate wireless technologies and when to use them. List the speeds of various LAN technologies. LAN training course details Who will benefit: Sales staff, managers and other non technical staff. Prerequisites: None. Duration 1 day LAN training course contents LANS What is a LAN? LAN standards, LAN choices, choosing the media, copper, UTP, cat5e, fibre, RF, bandwidth speeds, link aggregation, Full/half duplex. Ethernet What is Ethernet? 802.3, parts of Ethernet, Ethernet evolution, MAC addresses, frames, broadcasts. Ethernet switches What are switches, switches versus hubs, how switches work, ways to configure switches, Loops, STP. VLANs What are VLANs? Why have VLANs, impact of VLANs, Tagging (aka trunking), 802.1Q Wireless LANS Type of wireless LAN, RF frequencies, 2.4GHz, 5GHz, others, interference, standards, 802.11 and variants, CSMA/CA. Wireless LANS NICs, Access points, integration with Ethernet, multiple access points, mesh networks, WiFi security. Interconnecting LANs Routers, connecting networks, interconnecting VLANs, IP addressing, Layer 3 switches. Summary WiFi vs Ethernet.

WANs training course description A concise overview course covering Wide Area Networks with particular emphasis on the WAN options available including the use of the Internet. What will you learn Choose and evaluate WAN technologies. Recognise the role of service providers. Describe the benefits of VPNs. Describe how the Internet can be used as a WAN. Describe the equipment needed to connect LANS to WANS. List the speeds of various WAN technologies. WANs training course details Who will benefit: Anyone, although the course is particularly aimed at non-technical personnel needing some knowledge of WANS. Prerequisites: Network fundamentals Duration 1 day WANs training course contents WANS WAN architecture, Common WAN terms, Core vs access, service providers, relationship with 7 layer model, WAN equipment, how to choose a WAN. Layer 1 Copper, phone lines, fibre, coaxial, satellite, wireless. Cabling to the building, CPE cabling, interfaces. Layer 2 Dial up vs. Dedicated vs. packet switched networks and when to use them. Packet switching vs. circuit switching. Point to point and point to multipoint. Dialup access technologies Modems, ISDN, BRI, PRI. Access with dedicated lines XDSL, leased lines. WAN services X.25, SMDS, Frame Relay, CIR, ATM, Internet, MANS, dark fibre and other services. Case study: Selecting WAN technologies. Service provider technologies MPLS, SDH, WDM, DWDM. Routers Network addressing, default gateways, routing tables, routing protocols. Internet architecture Service providers, ISPs, private peering, public peering, core WANs in the Internet. VPNs Private networks, public networks, What are VPNs?, benefits of VPNs, tunnelling, encryption, IPSec. Case study: Specifying WAN connectivity.