292 Courses in Sheffield

4G training course description This course is designed to give the delegate an understanding of the technologies used within a 3G UMTS mobile network. During the course we will investigate the UMTS air interface and the use of Wideband-Code Division Multiple Access (WCDMA) to facilitate high speed data access, together with HSPA to offer mobile broadband services. We will describe the use of soft handover rather than hard handover procedures and soft capacity sharing. The course includes a brief exploration of the UMTS protocol stack and the use of PDP Context and QoS support features. What will you learn Explain the 3G UMTS architecture. Describe the role of a Drifting & Serving RNC. Explain the use of ARQ & HARQ for mobile broadband. Describe how IMS integrates into the architecture. Describe the use of Media Gateway Controllers. Identify the temporary identities used within 3G UMTS. 4G training course details Who will benefit: Anyone working within the telecommunications area, especially within the mobile environment. Prerequisites: Mobile communications demystified Telecommunications Introduction Duration 2 days 4G training course contents LTE Introduction The path to LTE, 3GPP. LTE to LTE advanced. LTE Architecture The core, Access, roaming. Protocols: User plane, Control plane. Example information flows. Bearer management. Spectrum allocation. LTE technologies Transmission, reception, OFDMA, multiple antenna, MIMO. LTE Air interface Air interface protocol stack. Channels, Resource Grid, cell acquisition. Up and downlink controls. Layer 2 protocols. Cell acquisition Power on, selecting networks and cells. RRC connection. Attach procedure. Mobility management Roaming, RRC_IDLE, RRC_CONNECTED, cell reselection, handover, interoperation with UMTS and GSM networks. Voice and text IMS, QoS, policy and charging.

MPEG training course description This course studies the MPEG standards for video and audio compression. A major focus is on MPEG-4 and MPEG-TS. Hands on includes decoding and analysing MPEG streams. What will you learn Recognise the main MPEG standards. Describe the techniques used in MPEG video and audio compression. Compare MPEG2m MPEG4 and MPEG-H. Describe the MPEG-TS. Analyse MPEG streams. MPEG training course details Who will benefit: Anyone working with MPEG. Prerequisites: None. Duration 2 days MPEG training course contents Introduction What is MPEG? MPEG and VCEG, MPEG 1, MPEG 2, MPEG-3, MPEG-4, MPEG-H, others, codecs and containers, licensing and patents, parts and layers (System, Video, Audio, others). MPEG2 DVD, DVB, characteristics, MPEG2 Part2, audio MPEG2 Part 7 (AAC). MPEG tools Wireshark, vlc, analysers, decoders, ffmpeg, wowzer. MPEG2 Video compression Sampling, bit rates, resolution. Inter and Intra frame coding, I, B, P frames, GOP, slices, blocks, macroblocks. Motion estimation. Hands on Analysing MPEG frames. MPEG4 Profiles and levels, Enhancements, Parts 1,2,3, Part 10 and AVC, Part 14 and mp4. Performance versus MPEG2. MPEG audio Coding, frequencies, bit rates. MPEG-TS PES, Transport Streams, TS elements, packets, PID, Programs, PSI, PAT, PMT, synchronisation, PCR, PTS. MPEG-H Part 2 HEVC, benefits, improvements. Video codecs What is a CODEC, pictures and audio, digitisation, sampling, quantisation, encoding, compressing.

Data centre infrastructure course description This course provides a foundation in data centre infrastructure technologies. It begins with a tour of virtualisation and the impact of this on the network before moving on to the spine and leaf design, how it works and how to scale. Layer 2 technologies enabling this architecture are studied in terms of the impact on the data centre. The course then progresses onto how Layer 3 technologies such as BGP, EVPN and VXLAN are used in data centre networks. The course then studies interconnecting data centres finishing with a section on automation and orchestration of both underlay and overlay networks. What will you learn Explain the spine and leaf architecture Recognise the impact of virtualisation, containers and orchestration on the network Describe how the following technologies are used in data centres: Multi port aggregation Overlay networks MBGP, VRFs, EVPN VXLAN COOP Data centre infrastructure course details Who will benefit: Staff involved with Data centres. Prerequisites: Network fundamentals for engineers Duration 2 days Data centre infrastructure course contents What is Ethernet? Data centres versus enterprise networks. Servers, Blades, Racks, Clusters, Storage, Virtual Machines, Hosts, guests, containers, orchestration. Virtual switches. Distributed switches. Live migrations (e.g. vMotion). IP addressing and VM traffic. Data centre network architecture Spine leaf design. North south traffic, East West traffic, Scaling: Ports, bandwidth. N+1 redundancy, ratio East West optimisation, oversubscription. 2 tier versus 3 tier Leaf/Spine. Pods. Underlay, Overlay L2 technologies STP vs link aggregation vs multi link aggregation. LACP, LLDP, CDP. Scalability. VLANs and VLAN pruning. L2 design recommendations. Disabling STP on edge ports. L3 technologies Underlay, Overlay, VXLAN, VTEP, VXLAN overlay forwarding, EVPN, IS-IS, COOP, MP BGP, VRFs, EBGP, IBGP, AS numbers, route reflectors. Anycast gateways. MTU considerations-for data and control planes. BUM traffic. Data centre interconnects Pods, fabrics, multi pods, multi fabric, multi site. VXLAN with BGP/EVPN Data center interconnect. Cloud integration, Inter Site Networks. Automation Automation and orchestration, Zero touch provisioning, Devops, Netops, telemetry automated configuration for underlay and overlay, SDN.

Total GPRS training course description GPRS is a packet switched access mode for GSM systems, which will enable more efficient use of the radio resources leading to increased data speeds and capacity. It is an important migration step toward 3G networks. This course provides a detailed analysis of the workings and implications of GPRS. What will you learn Explain what GPRS is. Describe the GPRS protocol stack. Describe the GPRS architecture Total GPRS training course details Who will benefit: Anyone who needs to know more about GPRS. Prerequisites: Total GSM Duration 2 days Total GPRS training course contents GPRS network architecture Review of GSM architecture, the new network entities required for GPRS. How the existing GSM network entities needs to be upgraded. How GPRS roaming will work. How intra and inter PLMNs work together. How billing works in the GPRS network. IP over GPRS Brief review of IP, IP stack over GPRS, IP addressing in GPRS, DHCP, GPRS configuration for IP. IP packet flows. WAP and GPRS. GPRS interfaces Messaging scenarios used over the GPRS Gb, Gs and Gp Interfaces. How the handset performs a GPRS attach and detach. GPRS roaming and how it works. Links used between GPRS Roaming Exchanges (GRX). GPRS terminal attach message flow in the NSS, PDP context message flow in the NSS, GPRS paging message flow, GPRS terminal detach message flow. GPRS protocol stack The components of the protocol stack. How each component works. How encapsulated packets are sent. How each component links to the next component. GPRS air interface The new GPRS channels required. How the new channels work. How to map GPRS logical channels onto physical channels. How they enable session activation. The difference between master PDCHs and slave PDCHs. GPRS terminals The 3 classes of terminal available. How the handset performs a GPRS attach and detach.

Video coding training course description This course investigates the characteristics of video coding with an emphasis on compression and the standards used in IP networks. What will you learn Explain how video coding works. Describe the main video coding standards. Evaluate and compare the major video coding standards. Video coding training course details Who will benefit: Anyone working with MPEG. Prerequisites: None. Duration 2 days Video coding training course contents Introduction Video coding systems, encoding, transmission, decoding. Digital video formats: Old formats (CIF…), PC formats (VGA…), SD, HD, UHD. Video codecs What is a CODEC, pictures and audio, digitisation, sampling, quantisation, encoding, compressing. Codec types Lossy, lossless, uncompressed. Quality, bandwidth. Video Fps, bitstreams, pictures, frames, fields. Aspect ratios. Colour Colour perception, RGB, YUV, YCbCr sampling, 4:00, 4:2:0, 4:2:2, 4:4:4. Hybrid video coding scheme Picture partitioning, intra prediction, inter prediction, motion estimation, residual coding, in loop filtering, entropy coding. Containers Relationship with codecs, audio, video. Audio Video Interleave (.avi), .asf, QuickTime, AVCHD, Flash, .mp4, 3gp. MPEG-TS. MPEG Analysing MPEG frames. Video coding standards H.264/AVC: Profiles MPEG, bit rates, resolution. I, B, P frames, GOP. MPEG 2, MPEG 4, H.264, H.265, VP9, AV1. Hands onand levels, how it works. H.265/HEVC: Profiles and levels, Quadtrees, slices, how it works. Open video coding: VP8, VP9, AV1.

Junos Intermediate Routing training course description This course provides students with intermediate routing knowledge and configuration examples. The course includes an overview of protocol-independent routing features, load balancing and filter-based forwarding, OSPF, BGP, IP tunneling, and high availability (HA) features. Junos Intermediate Routing (JIR) is an intermediate-level course. What will you learn Describe typical uses, configure & monitor static, aggregate, and generated routes. Configure and share routes between routing instances. Explain the operations of OSPF. Describe BGP and its basic operations. Configure and monitor GRE and IP-IP tunnels. Junos Intermediate Routing training course details Who will benefit: Engineers responsible for configuring and monitoring devices running the Junos OS. Prerequisites: Intro to the Junos Operating System Duration 2 days Junos Intermediate Routing training course contents Protocol-Independent Routing Static Routes Aggregated Routes Generated Routes Martian Addresses Routing Instances Lab 1 Protocol-Independent Routing Load Balancing and Filter-Based Forwarding Overview of Load Balancing Configuring and Monitoring Load Balancing Overview of Filter-Based Forwarding Configuring and Monitoring Filter-Based Forwarding Lab 2 Load Balancing and Filter-Based Forwarding Open Shortest Path First Overview of OSPF Adjacency Formation and the Designated Router Election OSPF Scalability Configuring and Monitoring OSPF Basic OSPF Troubleshooting Lab 3 Open Shortest Path First Border Gateway Protocol Overview of BGP BGP Attributes IBGP Versus EBGP Configuring and Monitoring BGP Lab 4 Border Gateway Protocol IP Tunneling Overview of IP Tunneling GRE and IP-IP Tunnels Implementing GRE and IP-IP Tunnels Lab 5 IP Tunneling High Availability Overview of High Availability Networks Graceful Restart Graceful RE Switchover Nonstop Active Routing BFD VRRP Lab 6 High Availability Appendix A: IPv6 Introduction to IPv6 Routing Protocol Configuration Examples Tunneling IPv6 over IPv4 Lab 7 (Optional) IPv6 Appendix B: IS-IS Overview of IS-IS Overview of IS-IS PDUs Adjacency Formation and DIS Election Configuring and Monitoring IS-IS Basic IS-IS Troubleshooting Lab 8 (Optional) IS-IS Appendix C: Routing Information Protocol Introduction to RIP RIP Configuration Examples Monitoring and Troubleshooting RIP

STP alternatives training course description The Spanning Tree Protocol (STP) dates from 1985. This course explores the technologies that can be used as an alternative to STP, including FabricPath, SPB and TRILL. What will you learn Explain how STP and RSTP work. Explain how TRILL works. Explain how SPB works. Explain how FabricPath works. STP alternatives training course details Who will benefit: Technical network staff. Prerequisites: Definitive Ethernet switching for engineers Duration 1 day STP alternatives training course contents Introduction Layer 2 versus Layer 3, STP problems: One path, convergence, MAC explosion, STP alternatives. STP 802.1D, how STP works, root bridge, convergence times, single path. RSTP 802.1w, Improvements, convergence times. Link aggregation 802.3ad, Multi system Link aggregation. IS-IS Concepts, Discovery, topology exchange, flooding. Changes for TRILL, FabricPath and SPB. FabricPath Overview, architecture, control plane protocols, DRAP, STP interactions, packet forwarding, configuration. TRILL Concepts, RBridge, TRILL frames, control plane, data plane, learning MAC addresses. SPB 802.1aq, Node ID, Backbone Edge Bridges, Backbone MAC address, customer MACs, I-SID, forwarding database.

NNMi for engineers training course description A hands on course focusing on network management using Network Node Manager (NNMi) on Microsoft Windows or UNIX. What will you learn Describe the network management architecture. Use NNMi. Diagnose faults using NNMi. Recognise the MIB structure. NNMi for engineers training course details Who will benefit: Network administrators. Network operators. Those wishing to find out more about how their NNMi works. Prerequisites: TCP/IP foundation for engineers Duration 2 day NNMi for engineers training course content Network management What is network management? Benefits, issues, demonstration. Getting started with NNMi Starting NNMi, IP discovery, IP monitoring, controlling IP discovery. Using NNMi 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, MIBs, The protocol. NNMi SNMP configuration NNMi alarm browser NNMi alarms, alarm categories, filtering alarms, alarm details window. MIBs MIB1, MIB2, The MIB2 groups, additional MIBs, MIB compilers, vendor MIBs. NNMi MIB loader and browser. Monitoring devices Polling, obtaining MIB information. Diagnostic tools Poll node, the ping window, protocol test, locate route NNMi fault management Alarms, polling, fault management, setting thresholds and configuring traps.

Hardening Cisco devices training course description A hands on course focusing on how to lock down Cisco IOS routers and switches. What will you learn Harden Cisco devices. Hardening Cisco devices training course details Who will benefit: Technical network staff. Technical security staff. Prerequisites: TCP/IP foundation for engineers. Duration 5 days Hardening Cisco devices training course content Introduction Router security, Switch security, Cisco IOS, IOS versions, Cisco advisories, the management plane, control plane, data plane. Hands on Checking IOS versions and advisories. Access control Infrastructure ACLs, Transit ACLs. Hands on Restricting access to the device, Filtering data traffic. Management plane: Securing operations Passwords, privilege levels, AAA, TACACS+, RADIUS. Hands on Password management. Management plane: Other general hardening Logging best practices, secure protocols, encrypting management sessions, configuration management. Hands on Hardening the management plane. Control plane Disabling reception and transmission of certain messages, Limiting CPU impact of control plane traffic, securing routing protocols. Hands on Hardening the control plane. Data plane Transit ACLs, disabling unused services, disabling unnecessary protocols, anti spoofing, limiting CPU impact of data plane traffic, identifying and tracing traffic, Netflow, VLANs, port security. Hands on hardening the data plane.

GSM training course description GSM is in widespread use today. This seminar gives an comprehensive overview of GSM. What will you learn Explain what GSM is. Describe the architecture of the GSM network. Describe the GSM protocol stack. GSM training course details Who will benefit: Anyone who needs to know more about GSM. Prerequisites: Telecommunications Introduction Duration 2 days GSM training course contents Introduction History of GSM, analogue networks, digital networks, PCS1900. GSM services Telephony, digital encoding, data rates, Group 3 fax, SMS, Supplementary services. GSM architecture Mobile station Mobile Equipment (ME), Subscriber Identity Module (SIM). Base Station Subsystem Base Transceiver Station (BTS), Base Station Controller (BSC). Network Subsystem Mobile Services Switching Centre (MSC), Home Location Register (HLR), Visitor Location Register (VLR), Equipment Identity Register (EIR), Visitor Location register (VLR), Authentication Centre (AuC) Radio Link Aspects Bands, FDMA, TDMA, Traffic channels, Control channels, Speech coding, Channel coding and modulation, Multipath equalisation, Frequency hopping. GSM signalling SS7 overview, GSM SS7 nodes, Base Station Subsystem Application Part (BSSAP), Transaction Capabilities Application Part (TCAP), Mobile Application Part (MAP). Interfaces Um, Abis and A interfaces. Mobility and call processing in GSM Attach & location update process, mobile originate, mobile termination, handovers. GSM services Tele services, Bearer services, supplementary services, SMS, security. GSM futures GPRS, UMTS.