299 Network & Security courses in Bushey

Essential OTN training course description An In-depth introduction to the terminology and technology that will comprise tomorrow's Optical Transport Networks. What will you learn Describe the problems with old technologies. Identify the purpose of new technologies. Describe the functionality of the various transmission mediums available Identify OTN features and functionality. Define the issues involved in equipment and application rollout. Essential OTN training course details Who will benefit: Anyone wishing to learn OTN. Prerequisites: SDH foundation or Essential DWDM Duration 2 days Essential OTN training course contents Scope, References Terms and definitions, Abbreviations and Conventions Optical transport network interface structure Multiplexing/mapping principles and bit rates Optical transport module (OTM-n.m, OTM-nr.m, OTM-0.m and OTN 0.mvn) Physical specification of the ONNI Optical channel (OCh) Optical channel transport unit (OTU) Optical channel data unit (ODU) Optical channel payload unit (OPU) OTM overhead signal (OOS) Overhead description and maintenance signals Mapping of client signals and concatenation Mapping ODUk signals into the ODTUjk signal Forward error correction using 16-byte interleaved RS (255,239) codecs ODUk tandem connection monitoring (TCM) overhead OPUk Multiplex Overhead Amendment 2 including: OTN Multiplexing and Mapping, Basic signal structure, ODTU12, ODTU13, ODTU23, OPUk Multiplex Overhead, OPUk Multiplex Structure Identifier (MSI). OPU2 Multiplex Structure Identifier (MSI), OPU3 Multiplex Structure Identifier (MSI), OPUk Payload Structure Identifier Reserved overhead (RES), ODU1 into ODU2 multiplexing, ODU2 into ODU3 multiplexing, ODU1 into ODU3 multiplexing Amendment 3 including: 40 Gbit/s ODU3/OTU3 and 100 Gbit/s ODU4/OTU4, Support of gigabit Ethernet services via ODU0, ODU2e, ODU3 and ODU4, ODU0 and ODUFlex, Multi-lane OTU3 and OTU4 interfaces, Support for InfiniBand Amendment 4 including: OTSn OTN synchronization messaging channel (OSMC) overhead, FC-1600 Amendment 5 Including: ODUk.ts, OTU0LL (OTU0 low latency), OTSiA (optical tributary signal assembly). OTSiG (optical tributary signal group), OTSiG-O (optical tributary signal overhead), CMEP (connection monitoring end- point), CMOH (connection monitoring overhead), MOTU (Multi-OUT), MOTUm (Multi-OTU with management), OTUCn-M (Optical Transport Unit-Cn, with n OxUC overhead instances and 5G tributary slots). SOTU (Single-OUT). SOTUm (Single-OTU with management). Modified bit rates and capacity for OTU1/2/3/4 OTM.nr.m, OTM.n.m, OTM.0.3v4, OTM 0.4v4 Mapping of CBR2G5, CBR10G, CBR10G3 and CBR40G signals into OPUk 64B/66B and 513B block code format PCS lane alignment marker for 40GBASE-R and 100GBASE-R PT=20/PT=21 and AMP/GMP options OTL 4.10 to OTL 4.4 gearbox ODU switching and Line protection Schemes 10 x 10 MSA Overview of current and future coherent and noncoherent technologies 40Gbit and 100Gbit compliant ROADM's Implementers Guide including replacement terms. Differing vendor's equipment and their implementations Individual and group planning exercises: Upgrade a customer STM-64/10G network to a 40G/ OTN network. Upgrade a customer old 16 Wavelength WDM network to be OTN compliant. Implement a new customer 40 wavelength OTU3 OTN compliant MSPP (DWDM) network. Design a cost-effective solution where we can hand over circuits using 'Optical Transport Lanes'.

IS-IS training course description A hands on course on IS-IS link state routing protocol. The main focus of the course is the use of IS-IS in an IP only environment but can be tailored to concentrate on the use of IS-IS in CLNP networks. Hands on sessions use Cisco routers. What will you learn Configure and troubleshoot IS-IS. Explain how IS-IS works. Describe the use of Level 1 and Level 2. Design IS-IS networks. IS-IS training course details Who will benefit: Network administrators. Network operators. Prerequisites: TCP/IP Foundation for engineers Duration 2 days IS-IS training course contents Introduction The history of IS-IS, OSI background, terminology, addressing, how OSI networking works, ES-IS, ISIS, IS types, basic OSI configuration, other configuration parameters. Running IS-IS in an IP environment Integrated routing, Dual IS-IS, OSI only IS-IS, IP only IS-IS, packet formats and the use of CLNP, Basic configuration. How IS-IS works in detail Link state theory, tuneable parameters, IS-IS metrics, hellos, CSNP intervals, retransmissions, TLVs, Sub TLVs, Designated routers and pseudo nodes, authentication. Level 1 and level 2 in detail Router types, circuit types, Hot potato routing, route leaking, Area partitioning. Multiple addresses Redistribution and summarisation Tagging and filtering

IP addressing and subnetting course description A course focusing purely on IP addressing and subnetting. The course assumes that delegates already have some knowledge of IP addressing. In particular delegates will be able to calculate subnet numbers in seconds without using binary. What will you learn Download and install Wireshark. Calculate subnet numbers in seconds Design IP addressing schemes. Troubleshoot IP address problems. Calculate CIDR prefixes in seconds IP addressing and subnetting course details Who will benefit: Anyone working with TCP/IP. Prerequisites: TCP/IP Foundation for engineers Duration 2 days IP addressing and subnetting course contents IP addressing review What is an IP address? What is a subnet? Classless IP addressing. The rules of IP addressing. Ways IP addresses are used: On hosts, in packets, in routing tables. Hands on Byte boundary subnetting. Configuring IP addresses Interfaces, Static vs. dynamic configuration. DHCP: Scopes, leases, relays, using multiple DHCP servers. Multihoming. Subnetting Default subnet masks, subnet notations. How to subnet without binary. VLSMs. Hands on Bit boundary subnetting. Address ranges and routing Routing tables, IP address spoofing, host specific routing, subnets in routing tables, supernets in routing tables. CIDR. Impact of choice of routing protocol. Hands on IP addressing plans. Allocations and assignments IAB, IANA, RIRs, RIPE, LIRs and ISPs. PI vs. PA addressing. Hands on Querying the RIPE database. Private addressing and NAT NAT, NAPT, NAT terms, private addresses, NAT operation, NAT architecture, NAT and security, why use NAT? NAT-ALG, Types of NAT, RSIP. Special use addresses Unicasts, broadcasts, multicasts, anycasts. Directed broadcasts. Allowing broadcasts through routers.

Kubernetes for engineers training course description This course covers how Kubernetes addresses the challenges of distributed systems. Hands on sessions follow all the major theory chapters. What will you learn Explain what Kubernetes is and how it works. Create and run containers on Kubernetes using the Docker image format and container runtime. Kubernetes for engineers training course details Who will benefit: Anyone working with Docker or Kubernetes. Prerequisites: Definitive Docker for engineers. Duration 2 days Kubernetes for engineers training course contents Introduction Velocity, Scaling your service and your teams, Abstracting your infrastructure. Creating and running containers Container images, Building application images with Docker, Storing images in a remote registry, The Docker container runtime. Deploying a Kubernetes cluster Installing Kubernetes on a public cloud provider, Installing Kubernetes locally using minikube, Running Kubernetes on Raspberry Pi, The Kubernetes client, Cluster components. Common kubectl Commands Namespaces, Contexts, Viewing Kubernetes API objects, Creating, Updating, and Destroying Kubernetes objects, Labelling and annotating objects, Debugging commands. Pods Pods in Kubernetes, Thinking with pods, The pod manifest, Running pods, Accessing your pod, Health checks, Resource management, Persisting data with volumes, Putting It all together. Labels and Annotations Labels, Annotations. Service Discovery What Is Service discovery? The service object, Looking beyond the cluster, Cloud integration, Advanced details. ReplicaSets Reconciliation loops, Relating pods and ReplicaSets, Designing with ReplicaSets, ReplicaSet Spec, Creating a ReplicaSet, Inspecting a ReplicaSet, Scaling ReplicaSets, Deleting ReplicaSets. DaemonSets DaemonSet scheduler, Creating DaemonSets, Limiting DaemonSets to specific nodes, Updating a DaemonSet, Deleting a DaemonSet. Jobs The job object, Job patterns. ConfigMaps and secrets ConfigMaps, Secrets, Naming constraints, Managing ConfigMaps and secrets. Deployments Your first deployment, Creating deployments, Managing deployments, Updating deployments, Deployment strategies, Deleting a deployment. Integrating storage solutions and Kubernetes Importing external services, Running reliable singletons, Kubernetes-native storage with StatefulSets. Deploying real-world applications Parse, Ghost, Redis.

DevOps training course description This course is an introduction to DevOps. The course emphasizes communication, collaboration , integration, and automation to improve the workflow between developers and IT operations professionals. Improved workflows lead to more opportunities to design software and services in a more agile fashion. This course is a basis for discovering the most important DevOps concepts and to understand the principles and methods behind this. The course will leave you with the inspiration to be the advocate of change. What will you learn Explain DevOps principles. Describe the relationship between Agile , Lean and IT Service Management ( ITSM). Describe methods for automation and technology factors. Describe considerations when changing. Describe challenges, risks and critical success factors. DevOps training course details Who will benefit: IT development, IT operations and IT service management. Prerequisites: Introduction to data communications & networking. Duration 2 days DevOps training course contents Why DevOps? Introduction DevOps Goals DevOps Added value of DevOps Proven Results DevOps for businesses DevOps principles (The Three Ways) DevOps and other frameworks DevOps and Agile DevOps and Lean DevOps and IT Service Management DevOps culture Characteristics of a DevOps culture Organizational Considerations DevOps DevOps stakeholders DevOps roles DevOps teams DevOps organizational structures DevOps methods Continuous Integration Continuous delivery Continuous deployment Value stream mapping Kanban Theory of Constraints Improvement Kata Deming's quality circle ITSM processes DevOps and Automation Methods for DevOps automation Longevity and tools categories DevOps applications Transitioning to a DevOps culture. Implementation Challenges, risks and critical success factors Measuring DevOps successes

Supporting Microsoft SharePoint course description A concise hands on course enabling delegates to manage and administer a SharePoint site. What will you learn Perform initial farm configuration. Use stsadm commands. Manage content. Secure SharePoint. Customise SharePoint search. Monitor and performance tune SharePoint. Supporting Microsoft SharePoint server course details Who will benefit: Anyone working with Microsoft SQL server Prerequisites: SharePoint Administrators. Duration 2 days Supporting Microsoft SharePoint course contents SharePoint Introduction A SharePoint installation. Initial farm configuration. Creating a site collection. Administering SharePoint Stsadm commands, automation with PowerShell. Managing content Lists, libraries, items and documents Security SecureStore, Users and groups, roles and role assignments. Permission levels. SharePoint search Configure search, refine search. SharePoint performance Diagnostic logging, logging levels, Health anaylzer, performance bottlenecks.

Definitive Puppet training course description Puppet is a framework and toolset for configuration management. This course covers Puppet to enable delegates to manage configurations. Hands on sessions follow all the major sections. What will you learn Deploy Puppet. Manage configurations with Puppet. Build hosts with Puppet. Produce reports with Puppet. Definitive Puppet training course details Who will benefit: Anyone working with Puppet. Prerequisites: Linux fundamentals. Duration 2 days Definitive Puppet training course contents Getting started with Puppet What is Puppet, Selecting the right version of Puppet, Installing Puppet, Configuring Puppet. Developing and deploying Puppet The puppet apply command and modes of operation, Foreground Puppet master, Developing Puppet with Vagrant, Environments, Making changes to the development environment, Testing the new environments with the Puppet agent, Environment branching and merging, Dynamic Puppet environments with Git branches, Summary, Resources. Scaling Puppet Identifying the challenges, Running the Puppet master with Apache and Passenger, Testing the Puppet master in Apache, Load balancing multiple Puppet masters, Scaling further, Load balancing alternatives. Measuring performance, Splay time, Summary, Going further, Resources. Externalizing Puppet configuration External node classification, Storing node configuration in LDAP, Summary, Resources. Exporting and storing configuration Virtual resources, Getting started with exported and stored configurations, Using exported resources, Expiring state resources, Summary, Resources. Puppet consoles The foreman, Puppet enterprise console, Puppetboard, Summary, Resources. Tools and integration Puppet forge and the module tool, Searching and installing a module from the forge, Generating a module, Managing module dependencies, Testing the modules, Developing Puppet modules with Geppetto, Summary, Resources. Reporting with Puppet Getting started, Configuring reporting, Report processors, Custom reporting, Other Puppet reporters, Summary, Resources. Extending Facter and Puppet Writing and distributing custom facts, Developing custom types, providers and functions, Summary, Resources, Complex data structures, Additional backends, Hiera functions in depth, Module data bindings, Hiera examples. Jiera-2, Summary, Resources. Mcollective Installing and configuring Mcollective, testing, Mcollective plugins, accessing hosts with Metadata. Hiera Lists, initial Hiera configuration, Hiera command line utility, complex data structures, additional backends, Hiera functions in depth, module data bindings. Hiera-2.

Oracle SQL Advanced training course description The Oracle SQL Advanced course is designed to give delegates practical experience in using some of the more advanced features of Oracle SQL. Additional datatypes and the use of advanced SQL functions and expressions are covered together with enhanced table handling features. What will you learn Retrieve data using correlated subqueries, in-line views and multi-column subqueries. Use the WITH Clause. Inserting and Updating Rows Using Complex Subqueries Create Hierarchical Queries. Use ROLLUP, CUBE and GROUPING SETS group by enhancements. Implement the GROUPING and GROUPING_ID functions. Manage large data sets. Insert data conditionally and unconditionally. Merge Rows in a Table. Create TIMESTAMP and INTERVAL Datatypes. Use TIMESTAMP, TIMEZONE and INTERVAL functions and literals. Use regular expressions and implement related functions. Manage objects with the data dictionary. Manage schema objects. Perform flashback operations. Create and using external tables. Control user access to database objects. Oracle SQL Advanced training course details Who will benefit: Anyone who needs to use the more advanced features of SQL to improve their productivity in querying and updating an Oracle database. Prerequisites: Delegates should have attended the Oracle SQL course or have a similar level of experience. Duration 2 days Oracle SQL Advanced training course contents Retrieve data using subqueries ANY, ALL or SOME operators, Correlated subqueries, In-Line views, The Exists operator, The WITH clause, Multi-Column subqueries, Insert and update using a query, Correlated update and delete. Hierarchical queries Hierarchical data, The START WITH and CONNECT BY clauses, The LEVEL pseudo-column, Sequencing the output, Eliminating nodes and branches. Enhanced grouping features Review of basic grouping concepts, The ROLLUP and CUBE extensions, The GROUPING SETS extension, Using the GROUPING and GROUPING_ID functions. Manage large data sets Multi-table Inserts, Conditional and unconditional Inserts, Merging data into a table, Table and view based merge, A sub query based merge. Flashback technology Flashback query, The AS clause, Flashback table, Flashback drop. Date, time and time zone support Date, Timestamp and Interval datatypes, Handling dates and times, Handling intervals, Date, timestamp and interval functions and literals, Related NLS parameters. Regular expression support Regular expression notation, Character matching, Repetition operators, Sub expression grouping, Regular expression functions. Manage objects with the Data Dictionary The Data Dictionary, Useful Data Dictionary tables, Using the Data Dictionary. Manage schema objects Column operations, Constraint operations, Creating and dropping Indexes, B-Tree indexes, Function based indexes, Descending indexes, Creating and using external tables. Access control System privileges and roles, Create users, Alter user details, Grant and revoke object privileges.

Data comms training course description A hands on training course introducing the concepts of data communications, moving on to covering both LAN and WAN technology. Quizzes are used extensively to ensure material has sunk in and to maximise learning time. Hands on sessions ensure that by the end of the course delegates have made cables, built LANS and WANS, configured TCP/IP, switches and routers. What will you learn Use the seven layer model to classify networking buzzwords. Build and troubleshoot Ethernet, LAN/WAN and WiFi networks Explain the difference between switches and routers. Connect networks with routers. Data comms training course details Who will benefit: Anyone who requires a technical introduction to networks. Prerequisites: None. Duration 3 days Data comms training course contents What are networks? What is data communications? What are networks? Types of network, LANs, LAN choices, WANs, WAN choices, PANs, SANs, MANs, connecting networks. Internetworks, the internet, clouds. Networks and standards Standards bodies, ISO, ITU, IEEE, IETF, OSI 7 layer reference model, TCP/IP and OSI, ping and the 7 layer model, encapsulation, fragmentation. The physical layer Transmission media: Copper, Fibre, RF, UTP, Cat 5/5e/6/7..., RJ45, straight and cross over cables. Coax, Fibre cable & connectors, SFP, MMF, SMF, radio spectrum, frequencies, ranges, noise and electrical distortion, repeaters. Hands on Cabling, ping. Bandwidth Definition, Bits, bytes, speeds, simplex, half/full duplex, a/symmetrical, aggregation, latency. Calculating bandwidth requirements. The Data Link layer Frames, classifications, standards, LAN/WAN layer 2 technologies (Point to point, virtual circuits). Ethernet What is Ethernet? 802.3, evolution from CSMA/CD, choosing cables, topologies, NICs, MAC addresses. Ethernet frame format. Hands on Analysing Ethernet frames. Ethernet switches Connecting multiple devices, switches work at layer 2, Switches vs. hubs, simultaneous conversations, full duplex, MAC address database, how switches work, switch benefits, loops, STP. Console ports. Hands on Switches and WireShark, configuring switches, broadcast storms, STP. VLANS What are VLANs, why have VLANs. Hands on The effect of VLANs on network traffic. Wireless LANs Type of wireless network. WiFi, 802.11b/g/n/ac, WiFi6, antennae, interference, 802.11 frame format, CSMA/CA, half duplex, Wireless Access Points, security. Hands on Building a WiFi network. WANS WAN architecture, WAN types, service providers, access equipment, DTE, DCE, core equipment, WANs and the 7 layer model, choosing a WAN. WAN access Point to point, multi access, Internet, phone lines, leased lines, xDSL, broadband architecture. DOCSIS, FTTH, PON, SD-WAN. Older technologies (if required): Modems, ISDN, 64k, E1, TDM. Packet switched networks Packet switching, virtual circuits, Hub & spoke, partial & full mesh, MPLS, MPLS and routers, Why MPLS? MPLS -TE, MPLS VPN, Internet VPN. Older technologies (if required). Service provider technologies Transport plane, SDH, SONET, WDM, CWDM, DWDM, DWDM architectures, OTN. TCP/IP Definition, protocols, services, internetworking, the Internet, intranets, IAB, RFCs, IP header, IP addressing, subnet masks, IPv6, TCP, UDP. Hands on IP address and subnet mask configuration. Routers What are routers? Routers vs switches, when to route and when to switch, default gateways, routing tables, static routes, routing protocols. Firewalls, how firewalls work. Hands on Router configuration, tracert. Applications Clients, servers, web, HTTP, Email, resource sharing, IM, VoIP, Video over IP, terminal emulation, ftp, ssh. Hands on telnet

Linux fundamentals training course description An introduction to using the Linux operating system with a focus on the command line. Appropriate for all versions of Linux. The starting point for all Linux work, we concentrate on the technical aspects rather than issues such as using browsers. The course is heavily practical in nature. The course can be run on any Linux distribution you wish. What will you learn Describe Linux. Log in and use Linux commands to perform a variety of tasks from manipulating and printing files to looking at and killing processes. Create and edit files with vi. Recognise the role of the administrator. Write simple shell scripts. Customise the user environment. Linux fundamentals training course details Who will benefit: Anybody who needs to use a Linux system. Prerequisites: None. Duration 3 days Linux fundamentals training course contents What is Linux? Operating systems, Linux flavours, Linux distributions, open source software. Getting started Logging in, changing passwords, logging out. Linux basics Command structure. The Linux manuals, basic commands (who, date, tty, uname, echo, banner...) Filesystem commands Home directories, manipulating files and directories, Filesystem layout, Pathnames, hard and symbolic links. Viewing files. The Linux editors ed, vi, shell escapes, .exrc Extracting data from files grep, find, cut, sort and paste... Permissions Theory, chmod, chown, newgrp.. Processes ps, kill, background processes, at, exec, priorities. Managing Linux log files. The Shell Metacharacters, piping and redirection. Basic shell scripting What are shell scripts? Simple scripts, control structures. Variables. Arguments. Customising your environment Environmental variables, stty, .profile and other startup files More shell features Bash and other shells, the history facility, command line editing, aliases, job control, miscellaneous features. Introduction to administration The root user, su. Managing users and groups Archiving files Backups, tar, cpio, dd, gzip. Linux and hardware Main hardware components, Linux device drivers. Connecting to a network IP configuration, ifconfig, ping, netstat, traceroute, dig.