468 Courses in Sheffield

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.

Objective-C programming training course description A hands on introduction that will allow you to master Objective-C and start using it to write powerful native applications for even the newest Macs and iOS devices! Using The step-by-step approach, will let you get comfortable with Objective-C's unique capabilities and Apple's Xcode 5 development environment. Make the most of Objective-C objects and messaging. Work effectively with design patterns, collections, blocks, foundation classes, threading, Git and a whole lot more. Every session builds on what you've already learned, giving a rock-solid foundation for real-world success! What will you learn Use Xcode 5. Declare classes, instance variables, properties, methods, and actions. Use arrays, dictionaries, and sets. Expand and extend classes with protocols, delegates, categories, and extensions. Use Apple's powerful classes and frameworks. Objective-C programming training course details Who will benefit: Developers wanting to learn Objective-C. Prerequisites: Software development fundamentals. Duration 5 days Objective-C programming training course contents PART 1: GETTING STARTED WITH OBJECTIVE-C The Developer Program: Objective-C, enrolling as an Apple Developer, setting up the development environment, Xcode. Your first project. OO programming with Objective-C: OO projects, Frameworks, classes and instances, encapsulation, accessors, Inheritance. OO features in Objective-C: Messages, methods, working with id, nesting messages, method signatures and parameters. allocating and initializing objects. Using Xcode: Xcode, source code control, git and Xcode, Using a Remote Repository. Compiler Directives: Projects, Compiler Directives, Prefix headers, main.m, .h files. PART 2: OBJECTIVE-C BASICS Messaging in a Testbed App: Setting Up the Testbed Apps, Adding a Text Field and Connecting It to Your Code, Sending a Message to the Text Field, Reviewing the Message Syntax. Declaring a Class in an Interface File: Context, Creating an Instance Variable with id, What Happens When Execution Stops, dynamic binding, Creating an Instance Variable for with the Class Name and with a Superclass Name, instance variable visibility. Properties in an Interface File: Interface Variables vs Properties, Declared Properties, Using Attributes. Implementing Properties. @synthesize, @dynamic. Methods in an Interface File: Methods in a Class, class and instance methods, Method declaration, returning complex data structures from Methods. Actions in an Interface File: Actions, Actions in OS X and iOS, disconnecting actions. Routing messages with selectors: Receiver and selector objects in messages, Objective-C Runtime, SEL and @selector (), performSelector, NSInvocation, testing whether an Instance can respond to a selector. Building on the Foundation: The Foundation Framework, Foundation Classes, Foundation Paradigms and Policies; Mutability, class clusters, notifications. Defining a Class in Implementation Files: Projects, dynamic typing, creating a new App, implementing a method, expanding Classses with init Methods. Organizing Data with Collections: Collecting Objects, Property Lists, Runtime, comparing the Collection Classes, Creating a Collection, Objective-C Literal Syntax, Enumerating collections, Testing Membership in a Collection, Accessing an Object in a Collection. Managing Memory and Runtime Objects: Managing objects in memory, managing reference counts manually and with ARC, variable qualifiers, variable autorelease. PART 3: EXPANDING AND EXTENDING CLASSES Protocols and Delegates: Subclassing, Protocols, Delegates, Looking Deeper Inside Protocols. Categories and Extensions: Comparing categories and protocols, categories vs subclasses, working with categories, class extensions, informal protocols. Associative References and Fast Enumeration: Objective-C 2.0 Time-Saving Features, Extending Classes by Adding Instance Variables (Sort of), Using Fast Enumeration. Blocks: Revisiting Blocks, Callbacks, Blocks, Exploring Blocks in Cocoa, Cocoa Blocks and Memory. PART 4: BEYOND THE BASICS Handling Exceptions and Errors: Exception and Error classes: NSException, NSError, Identifying exceptions, throwing exceptions, catching exceptions. Queues and Threading: Getting Started with Concurrency, Introducing Queues, Dispatch Sources, Using Dispatch Queues. Working with the Debugger: Logging Information, Console Logs, NSLog, Smart Breakpoints, enhancing breakpoints with messages. Using Xcode Debug Gauges for Analysis: Debug Gauges, Monitoing CPU and memory utilization, monitoring energy, Using Instruments. PART 5: OPTIONAL TOPICS C Syntax Summary: Data Types, Control Structures. Apps, Packages, and Bundles: Project Bundles, lproj Files, Asset Catalogs, plist Files, Precompiled Header Files (.pch). Archiving and Packaging Apps for Development and Testing: Archiving.

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.

WCNA training course description Wireshark is a free network protocol analyser. This hands-on course provides a comprehensive tour of using Wireshark to troubleshoot networks. The course concentrates on the information needed in order to pass the WCNA exam. Students will gain the most from this course only if they already have a sound knowledge of the TCP/IP protocols. What will you learn Analyse packets and protocols in detail. Troubleshoot networks using Wireshark. Find performance problems using Wireshark. Perform network forensics. WCNA training course details Who will benefit: Technical staff looking after networks. Prerequisites: TCP/IP Foundation for engineers Duration 5 days WCNA training course contents What is Wireshark? Network analysis, troubleshooting, network traffic flows. Hands on Download/install Wireshark. Wireshark introduction Capturing packets, libpcap, winpcap, airpcap. Dissectors and plugins. The menus. Right click. Hands on Using Wireshark. Capturing traffic Wireshark and switches and routers. Remote traffic capture. Hands on Capturing packets. Capture filters Applying, identifiers, qualifiers, protocols, addresses, byte values. File sets, ring buffers. Hands on Capture filters. Preferences Configuration folders. Global and personal configurations. Capture preferences, name resolution, protocol settings. Colouring traffic. Profiles. Hands on Customising Wireshark. Time Packet time, timestamps, packet arrival times, delays, traffic rates, packets sizes, overall bytes. Hands on Measuring high latency. Trace file statistics Protocols and applications, conversations, packet lengths, destinations, protocol usages, strams, flows. Hands on Wireshark statistics. Display filters Applying, clearing, expressions, right click, conversations, endpoints, protocols, combining filters, specific bytes, regex filters. Hands on Display traffic. Streams Traffic reassembly, UDP and TCP conversations, SSL. Hands on Recreating streams. Saving Filtered, marked and ranges. Hands on Export. TCP/IP Analysis The expert system. DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP. Hands on Analysing traffic. IO rates and trends Basic graphs, Advanced IO graphs. Round Trip Time, throughput rates. Hands on Graphs. Application analysis DHCP, HTTP, FTP, SMTP. Hands on Analysing application traffic. WiFi Signal strength and interference, monitor mode and promiscuous mode. Data, management and control frames. Hands on WLAN traffic. VoIP Call flows, Jitter, packet loss. RTP, SIP. Hands on Playing back calls. Performance problems Baselining. High latency, arrival times, delta times. Hands on Identifying poor performance. Network forensics Host vs network forensics, unusual traffic patterns, detecting scans and sweeps, suspect traffic. Hands on Signatures. Command line tools Tshark, capinfos, editcap, mergecap, text2pcap, dumpcap. Hands on Command tools.

Definitive 802.1X training course description A hands-on training course concentrating solely on 802.1X. Hands on sessions follow major chapters to reinforce the theory. What will you learn Describe 802.1X. Explain how 802.1X works Configure 802.1X Troubleshoot 802.1X. Definitive 802.1X training course details Who will benefit: Technical network staff. Technical security staff. Prerequisites: SIP for engineers Duration 2 days Definitive 802.1X training course contents Introduction What is 802.1X? Authentication access, 802.3, 802.11. IEEE, 802, 802.1X-2001, 802.1X-2010. Architecture Supplicant, Authenticator, Authentication server, EAP, EAPOL, RADIUS, Diameter. Port configuration 802.1X in a switch environment. Hands on Configuring 802.1X. How it works Controlled ports, uncontrolled ports. Authentication flow chart, Initialisation, initiation, negotiation, authentication. Hands on 802.1X packet analysis. 802.1X and 802.11 WiFi, WiFi security. Hands on 802.1X WiFi port access. EAP Extensible Authentication Protocol, RFC 3748, RFC 5247. EAP methods: Weak, MD5, LEAP, Strong: TTLS, TLS, FAST. Encapsulation: 802.1X, PEAP, RADIUS, Diameter, PPP. 802.1X accounting RADIUS, accounting messages, 802.1X accounting AV pairs. 8021.X and VLANS VLANs, Guest VLAN, restricted VLAN, voice VLAN. Hands on VLAN assignments with 802.1X.

Cloud deployment training course description This course covers the important topics every cloud professional needs, including, configuration and deployment, security, maintenance, management, and troubleshooting. It covers all aspects of cloud computing infrastructure and administration, with a practical focus on real-world skills. It will help you to master the fundamental concepts, terminology, and characteristics of cloud computing. Deploy and implement cloud solutions, manage the infrastructure, and monitor performance. You will also be able to install, configure, and manage virtual machines. What will you learn Cloud services, models, and characteristics. Virtualization components, installation, and configuration. Infrastructure configurations and optimization. Resource management and specific allocations. IT security concepts, tools, and best practices. Recovery, availability and continuity in the cloud. Cloud deployment training course details Who will benefit: IT professionals looking to deploy and implement cloud solutions, manage the infrastructure, and monitor performance, Install, configure, and manage virtual machines. Prerequisites: Introduction to virtualization. Duration 5 days Cloud deployment training course contents Preparing to Deploy Cloud Solutions Deploying a Pilot Project Testing Pilot Project Deployments Designing a Secure and Compliant Cloud Infrastructure Designing and Implementing a Secure Cloud Environment Planning Identity and Access Management for Cloud Deployments Determining CPU and Memory Sizing for Cloud Deployments Determining Storage Requirements for Cloud Deployments Analysing Workload Characteristics to Ensure Successful Migration Maintaining Cloud Systems Implementing Backup, Restore, Disaster Recovery, and Business Continuity Measures Analysing Cloud Systems for Performance Analysing Cloud Systems for Anomalies and Growth Forecasting Troubleshooting Deployment, Capacity, Automation, and Orchestration Issues Troubleshooting Connectivity Issues Troubleshooting Security Issues

This half day course is designed for those people working or volunteering in groups or working on projects who would like some practical tips on making their marketing and publicity more effective.

ISDN training course description A comprehensive look at ISDN, as used in voice and data environments. What will you learn Recognise the issues and impacts of using dial up networks. Describe ISDN. Describe ISDN signalling in voice and data environments. Configure a Cisco router to use ISDN. ISDN training course details Who will benefit: Anyone working with ISDN. Prerequisites: Intro to data communications & networking Duration 2 days ISDN training course contents Introduction Dialup connectivity vs. leased lines vs. packet switched networks. ISDN offerings, services, benefits vs. modems. ISDN architectures Use of ISDN by routers, Dial up, top up, backup. Internet access, PCs and ISDN. BRI and PRI ISDN switches, B channels, D channel, ISDN functions and reference points, NT1, NT2, TE1, TE2, Terminal adapters, R,S,T,U interfaces, ISDN standards. PPP Encapsulation, PPP services, PAP and CHAP, Multilink PPP, BACP. ISDN and the seven layer model B channel layers versus D channel layers, the I standards, Q.921, Q.931. Configuration issues for ISDN E.164 addressing and IP addresses, ensuring only the correct traffic brings up the ISDN line. ISDN services Bearer services, teleservices, supplementary services, MSN, sub addressing, CLI…

Mikrotik routers training course description A fast paced practical hands on introduction to Mikrotik routers concentrating on basic product knowledge needed for the real world. Starts with the basics of accessing the routers through configuring static routes, RIP and OSPF, ending with firewalls. Hands on sessions follow all the major chapters. What will you learn Use Winbox. Use the Mikrotik command line. Perform basic troubleshooting. Configure Interfaces, RIP and OSPF. Perform housekeeping tasks such as: - save and load configurations - upgrade the OS - recover lost passwords Mikrotik routers training course details Who will benefit: Anyone who will be working with Mikrotik routers. Prerequisites: TCP/IP foundation for engineers Duration 2 days Mikrotik routers training course content Mikrotik routers RouterOS, RouterBoard. System resources. Getting started Accessing the router, Winbox, Webfig, Quickset. telnet. The command line interface Contexts, online help, basic troubleshooting. Configuring Interfaces Basics, Enabling interfaces. Ethernet, loopback interfaces. Adding IP addresses. Static routes Why use static routes? Configuring static routes, default routes. Configuring RIP How RIP works, configuration, troubleshooting. OSPF Configuration and troubleshooting. Housekeeping Configuration management, offline editing and FTP usage. RouterOS upgrades. Packages. Bypassing passwords. Other functions DHCP server. Firewall Connections, chains, actions, filters.

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.