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ZCubed Technologies

Mainframe Networks- An Introduction [MOPS]

OVERVIEW

This two-day course introduces mainframe personnel to networks in a Z Systems environment. The course describes mainframe networks at a conceptual and terminological level, giving attendees a sufficient depth of detail to enable them to discuss issues relating to their organization’s networks with confidence and understanding.


The course introduces the important aspects of SNA, VTAM, APPN and TCP/IP, and explains their relationships. Attendees are also taught about the use of Console commands and how to use TSO commands to interrogate a TCP/IP network. 

COURSE DURATION & PRICE

2 Days 

Hands-On

$1695

Email at Info@zcubedtech.com  to find out more

Dates & Enrollments

COURSE SYNOPSIS

  • Introduction to SNA
  • Network Addressable Units
  • SNA Sessions
  • Console Commands
  • TCP/IP Overview
  • An Overview of TCP/IP on z/OS
  • TCP/IP for z/OS - Command Overview

COURSE OBJECTIVES

  • Understand the concepts of SNA/VTAM/APPN
  • Understand and use the terminology of SSCP, CP, EN, NN. LEN, LU and PU
  • Describe addressing in SNA/VTAM/APPN and TCP/IP
  • Explain how TCP/IP fits into z/OS, especially for VTAM and TCP/IP applications.
  • Stop and start VTAM, TCP/IP and TN3270
  • Use the z/OS commands to interrogate a SNA/VTAM/APPN and TCP/IP network
  • Use the TSO commands to interrogate a TCP/IP network (e.g. NETSTAT, PING, etc.)

PREREQUISITES

Familiarity with the z/OS environment and the ability to use TSO/ISPF.

Email at Info@zcubedtech.com  to find out more

Dates & Enrollments

SNA TCP/IP Integration [CTSI]

OVERVIEW

This course introduces the issues, problems, and solutions to the challenges in integrating SNA and TCP/IP networks.  Emphasis is placed on open standard solutions (via RFCs,) although some innovative vendor-specific solutions are also included.  All variations of SNA are covered, including subarea SNA and APPN (including APPN/HPR). This course is primarily concerned with identifying the areas of difficulty and suggesting standard solutions to overcome these, the aim is to provide attendees with the background information necessary to make sensible choices for their own networks.  

COURSE DURATION & PRICE

3 Days 

Hands-On

Private-Only

Email at Info@zcubedtech.com  to find out more

Private-Only Inquire

COURSE SYNOPSIS

  • Introduction
  • Bridge and Router Solutions
  • Gateway solutions
  • Internet/Intranet connectivity solutions

COURSE OBJECTIVES

  • Describe the major characteristics of SNA and TCP/IP networks
  • Identify network integration objectives
  • Describe the addressing and naming schemes used in SNA and TCP/IP networks
  • Identify the differences between transparent bridges and source route bridges
  • Explain how SNA and TCP/IP can share a common bridged network via X.25, Frame Relay, and ATM
  • Explain how SNA/APPN and TCP/IP can be routed via multiprotocol routers
  • Describe how subarea SNA can be routed over TCP/IP using Data Link Switching
  • Describe how TCP/IP traffic can be routed over SNA using NCP as a router
  • Explain the operation of a gateway and describe the major gateway configurations
  • Describe how TCP/IP for MVS and VTAM act as a host gateway, and how Microsoft's SNA Server acts as a LAN gateway
  • Explain how a network gateway operates and state the two main varieties
  • Explain the principles and operation of the Multi-Protocol Transport Network
  • Describe how access to existing CICS and IMS applications can be provided from TCP/IP hosts via the CICS Client/Server and CICS Web Interface products
  • Explain the principles and facilities of an SNA web co-processor
  • Describe how existing SNA green-screen user interfaces can be easily upgraded 

PREREQUISITES

Existing knowledge of either (or both) SNA and TCP/IP are highly desirable, although a review of the operation of these networks is provided

Email at Info@zcubedtech.com  to find out more

Private-Only Inquire

TCP/IP Fundamentals [CTCP]

OVERVIEW

This is the essential course for anyone who needs a solid understanding of TCP/IP networks. The course describes and explains the concepts & features of TCP/IP, providing a complete introduction to the TCP/IP protocols, services & applications. Assuming no existing TCP/IP knowledge, it covers all aspects of TCP/IP, the Internet and Intranets, including security issues. Common user and system applications are explained (including FTP, Telnet, WWW, DNS, NFS, and SNMP), in addition to a detailed examination of the major protocols, message formats and addressing methods 

COURSE DURATION & PRICE

3 Days

Hands-On

$2,150

Email at Info@zcubedtech.com  to find out more

Dates & Enrollments

COURSE SYNOPSIS

  • Introduction
  • Architecture & Operation
  • User-Oriented Applications
  • System-Oriented Applications
  • Transport Level Protocols
  • Network Level Protocols
  • Configuring & Managing a TCP/IP Network
  • Network Security
  • IPv6 - The Next Generation

COURSE OBJECTIVES

  • Describe the main objectives of the TCP/IP protocols
  • Explain the structure and use of IP addresses
  • Distinguish between an application and a protocol
  • Identify TCP/IP message formats
  • Explain what port numbers are and why some are well known
  • Understand the importance of RFCs and state how they may be obtained
  • Explain how IP routing operates and how messages are delivered to the right node
  • Understand the function, purpose, and use of subnetting, and be able to specify suitable subnet masks for given implementations
  • Describe how the FTP application operates and how it can be used
  • Explain how the Telnet, TN3270, and TN5250 applications operate and how they can be used
  • Explain how email applications operate and how mail is transported to the correct node using the SMTP and POP3 protocols
  • Explain how the world wide web application operates
  • Explain how the domain name system operates and how name servers resolve domain names
  • Explain the purpose and operation of the network file system and how it can be used
  • Explain the purpose and use of the SNMP protocol and how it can be used for network management
  • Describe how TCP operates and how connections are established, used, and terminated
  • Explain retransmission, sliding windows, and out of band data
  • Describe how UDP operates
  • Describe the function of routing protocols and state why they are required
  • Explain fragmentation and reassembly, source routing, RIP, and OSPF
  • Explain the purpose of CIDR and describe how it operates
  • Describe the purpose and function of the ICMP protocols and give examples of their use
  • Describe the purpose and function of the ARP protocol and state why it is required
  • Describe the purpose and use of the RARP protocol and describe its relationship to the BootP and DHCP protocols
  • Explain how a TCP/IP network can be installed, configured, tested, and managed
  • Explain how public/private key encryption techniques work
  • Describe the contents and use of a Digital Certificate
  • State the purpose of the Secure Sockets Layer
  • Describe the principles of Firewalls
  • Explain the terms "packet filtering" and "bastion host"
  • Describe the use and output of the Netstat command
  • Describe the vulnerabilities of a computer system and network
  • Describe the defensive techniques to protect against threats
  • Use a packet sniffer tool to extract information from captured packets 

PREREQUISITES

An understanding of networking principles and terminology is required 

Email at Info@zcubedtech.com  to find out more

Dates & Enrollments

TCP/IP Security in a z/OS Environment [CTSZ]

OVERVIEW

Large system network security requirements have become much more stringent and complex over recent years, following the advent of TCP/IP and Internet interfaces. This essential course explains how to set up and administer vitally important security for the z/OS networking environment. The course gives attendees a sound understanding of how the Communications Server, along with other elements in z/OS including RACF, Policy Agent (PAGENT), z/OSMF and the Network Configuration Assistant, provide multiple IP security functions. These protect data privacy and integrity for z/OS, and protect system resources from unauthorized access.

COURSE DURATION & PRICE

5 Days

Hands-On

$3,200

Email at Info@zcubedtech.com  to find out more

DATES & ENROLLMENTS

COURSE SYNOPSIS

  • Understanding RACF Network Security
  • RACF Group Structure
  • Defining Users to RACF
  • Dataset Profiles
  • Defining General Resources
  • Protecting Network Resources
  • Cryptography, SSL, Ciphers & Digital Certificates
  • SSHD and SFTP using SSL
  • RACF & Digital Certificates
  • Secured TN3270 and FTPS
  • Introduction to Policy Agent
  • z/OSMF and Network Configuration Assistant
  • IP Security
  • Intrusion Detection Services & Defense Manager Daemon

COURSE OBJECTIVES

On completing this course attendees will be able to: 

  • Understand how RACF works
  • Explain how z/OS SAF, especially RACF, is used to protect your network and communications
  • Discuss the RACF Security profiles required to protect access to various network resources
  • Understand how crytography, Ciphers and SSL/TSL work in a z/OS environment
  • Explain how to implement the TLS and SSL protocol technology to protect data exchanges between client and server applications
  • Implement the SSH daemon and SFTP
  • Describe how digital certificates can be implemented and used within z/OS and how various clients and servers use the certificates
  • *mplement Native TN3270/TLS security and Native FTPS/TLS security
  • Explain how Digital Certificates are used in a policy-based z/OS environment
  • Explain the rules and policies used in the Policy Agent (PAGENT) to dictate how users, applications and organizations access and use their IT resources
  • Understand how the PAGENT can be configured as a Central Policy Server
  • Understand how to use z/OSMF and Network Configuration Assistant
  • Implement TN3270/Telnet security and FTPS using AT-TLS
  • Explain how other applications use AT/TLS with PAGENT
  • Implement IP Security
  • Implement TRMD and IKED
  • Permit or deny IP packets into and out of z/OS using IP Filtering
  • Describe at a high level how the IPSec tunnel traverses a NAT or NAPT device
  • Implement IDS
  • *mplement DMD
  • Describe the QoS concepts and how to implement QoS

PREREQUISITES

 A sound knowledge of TCP/IP concepts and protocols. This can be gained by attending the course TCP/IP Fundamentals [CTCP] or TCP/IP in a z/OS environment. This can be gained by attending TCP/IP for z/OS – Implementation [CTMZ]   A good knowledge of UNIX System Services is also needed, which can be gained by attending the course Using RACF under UNIX System Services [RAUX]. 

WHAT THE STUDENTS SAY ...

"Detailed & documentation aligned nicely with the labs and the instructor's presentation was awesome. Thank you for providing this wonderful training experience!"


"This class was just excellent."

Email at Info@zcubedtech.com  to find out more

DATES & ENROLLMENTS

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