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Technology-Focused CCIE R&S (4.0) Lab Preparation Workbook (Volume 1) with Detailed Solution Guide
About Our Volume 1 CCIE R&S 4.0 Lab Preparation Workbook
IPexpert's industry-recognized Technology-Focused CCIE R&S (4.0) Lab Preparation Workbook (Volume 1) with Detailed Solution Guide is a proven set of workbooks (lab preparation scenarios and detailed solutions) that have been tested and enhanced. This workbook is part of the world's most up-to-date training solution available for Cisco's grueling CCIE R&S 4.0 lab exam.
Nearly a decade of leading the CCIE training industry, IPexpert has coined the term "Structured Learning Approach" to describe its methodology for maximizing student success. IPexpert has developed learning materials around proven techniques. Over one thousand successful CCIEs worldwide have enthusiastically recommend these study techniques to others.
Candidates entering the early round of their CCIE R&S Lab preparation must master various technologies and protocols before beginning to work on full-scale mock CCIE labs. Throughout the first phase of lab preparation, protocol and technology focused lab scenarios must be mastered to gain complete understanding of both fundamentals. The R&S Volume 1 workbook is the solution that allows students to master these technologies and protocols. This workbook combination contains 34 complex lab scenarios and extremely detailed solutions on all of the latest topics seen on the 4.0 R&S lab blueprint.
Developed by IPexpert's highly-decorated team of CCIE instructors, be certain that this workbook combination is the most up-to-date and refined product on the market. The experience gained through these hands-on scenarios will serve as an invaluable step toward CCIE R&S success.
Table of Contents
Below are the topics, technologies and protocols that are currently included in IPexpert's Technology-Focused CCIE R&S 4.0 Lab Preparation Workbook:
- Section 1: General Lab Setup
- Virtual Local Area Networks (VLANs)
- VLAN Trunking Protocol (VTP) Transparent Mode
- VTP Domains
- Layer 2 Access Switchports
- Layer 2 Trunk Switchports
- Internet Protocol (IP) Addressing
- Frame Relay Point to Point Sub-Interfaces
- Frame Relay Multipoint Sub-Interfaces
- Frame Relay Static Mappings
- Frame Relay Interface to Data Link Connection Identifiers (DLCI) Mappings
- Dynamic Trunking Protocol (DTP)
- Virtual TeletYpe (VTY) line passwords
- Domain Name System (DNS) lookups
- Command Aliases
- Console line passwords
- Enable mode passwords
- Interface descriptions
- Cisco Discovery Protocol (CDP)
- CDP Tuning
- Securing configuration files
- Message of the Day (MOTD) Banners
- Section 2: Quad Catalyst - Per VLAN Spanning Tree (PVST)
- VTP Server Mode
- VTP Client Mode
- VTP Version 2
- VTP Passwords
- VTP Pruning
- Etherchannel
- Uni-Directional Link Detection (UDLD)
- 802.1Q Trunks
- Native VLAN Tagging
- VLAN Filtering on Trunk Links
- 802.1X Security
- Authentication, Authorization and Accounting (AAA) Methods
- 802.1X Port Configuration
- Spanning Tree Protocol (STP) PortFast
- STP Root Bridge Election
- STP Cost Manipulation
- STP UplinkFast
- Media Access Control (MAC) Address Port Security
- MAC Port Security Sticky Learning
- MAC Port Security Interface Recovery
- Switched Port ANalyzer (SPAN)
- Remote Switched Port ANalyzer (RSPAN)
- Layer 3 Switched Virtual Interfaces (SVIs)
- Catalyst 3560 Routing
- Switch Database Management (SDM) templates
- Open Shortest Path First (OSPF)
- OSPF Maximum Transmission Unit (MTU) mismatches
- Timezone Configuration
- Network Time Protocol (NTP)
- NTP Server mode
- NTP Client mode
- MAC Address Table Aging
- Smart Port Macros
- STP BPDUGuard
- Simple Network Management Protocol (SNMP)
- SNMP Communities
- SNMP Traps
- SNMP MAC Address Notifications
- SNMP Tuning
- Protected Switchports
- Catalyst Buffer Management
- MAC Access Lists
- VLAN Maps
- VLAN Filters
- Private VLANs
- Section 3: Quad Catalyst - Multiple Spanning Tree (MST)
- Catalyst Hostnames
- VTP Transparent Mode
- VTP Server Mode
- VTP Pruning
- MST Root Bridge Selection
- MST Timers
- MST Cost
- Interface Bandwidth Tuning
- MST Port Priority
- MST Instances
- AAA Methods
- 802.1X Security
- 802.1X Guest VLANs
- 802.1X Authorization Failure VLANs
- Enhanced Interior Gateway Routing Protocol (EIGRP)
- Router on a Stick
- Catalyst Switched Virtual Interfaces (SVIs)
- Catalyst EIGRP
- RSPAN
- MAC Address Port Security
- Hot Standby Redundancy Protocol (HSRP)
- HSRP Tracking
- HSRP Preemption
- HSRP Version 2
- 802.1Q Native VLAN selection
- MAC Access lists
- VLAN Maps
- VLAN Filters
- Static Address Resolution Protocol (ARP) entries
- Link Layer Discovery Protocol (LLDP)
- Section 4: Quad Catalyst - Rapid Per-VLAN Spanning Tree (Rapid-PVST)
- VTP Transparent Mode
- Rapid-PVST Root Bridge Election
- Rapid-PVST Cost
- Rapid-PVST Port Priority
- Etherchannel
- MAC Access Lists
- VLAN Maps
- VLAN Filters
- ISL Trunking
- 802.1Q Trunking
- Storm Control
- Voice VLANs
- Smart Port Macros
- Private VLANs
- HSRP
- HSRP Tracking
- HSRP Preemption
- Section 5: Layer 2 Tunneling
- Layer 2 Protocol Tunneling
- CDP Tunneling
- STP Tunneling
- VTP Tunneling
- 802.1Q-in-Q Tunneling
- Link Aggregation Control Protocol Etherchannel Tunneling
- Port Aggregation Protocol (PAgP) Etherchannel Tunneling
- Etherchannel Load Balancing
- Section 6: Frame Relay
- Physical Frame Relay Interfaces
- Point to Point Frame Relay Subinterfaces
- Multipoint Frame Relay Subinterfaces
- Frame Relay Inverse ARP
- Frame Relay Static Mappings
- Frame Relay Interface to Data Link Connection Identifiers (DLCI) Mappings
- Frame Relay Internet Engineering Task Force (IETF) encapsulation
- Point to Point Protocol (PPP) over Frame Relay (PPPoFR)
- Challenge Handshake Authentication Protocol (CHAP)
- PPP Multilink over Frame Relay
- Back to Back Frame Relay
- Multilink Frame Relay (MFR)
- Local Management Interface Timers
- Frame Relay Discard Eligible (DE) Groups
- Frame Relay End to End Keepalives
- Frame Relay Broadcast Queue Tuning
- Section 7: Bridging and Frame Relay
- Bridging over Frame Relay
- Integrated Routing and Bridging (IRB)
- Bridged Virtual Interfaces (BVI)
- Bridging over GRE Tunnels
- Fallback Bridging
- Section 8: Routing Information Protocol (RIP) Version 2
- RIPv2 Network Statements
- RIPv2 Passive Interfaces
- RIPv2 Auto Summarization
- RIPv2 Manual Summarization
- RIPv2 Unicast Updates
- RIPv2 Broadcast Updates
- RIPv2 Multicast to Broadcast conversion with Network Address Translation (NAT)
- RIPv2 Send and Receive Versions
- Filtering RIP with ACLs
- Filtering RIP with VLAN Filters
- RIPv2 Authentication
- RIPv2 Offset Lists
- RIPv2 Triggered Updates
- RIPv2 Split Horizon
- RIPv2 Update Source Validation
- Secondary Interfaces
- RIPv2 Distribute Lists
- Tuning RIPv2 Timers
- RIPv2 Administrative Distance Manipulation
- Section 9: Enhanced Interior Gateway Routing Protocol (EIGRP)
- EIGRP Network Statements
- EIGRP Passive Interfaces
- EIGRP Auto Summarization
- EIGRP Manual Summarization
- EIGRP Redistribution
- EIGRP Leak Maps for Redistribution
- EIGRP External Routes
- EIGRP Variance
- EIGRP Unequal Cost Load Balancing
- EIGRP Metric Manipulation
- EIGRP Hello Interval
- EIGRP Hold Timers
- EIGRP Active Timers
- EIGRP Key Strings
- EIGRP Message Digest 5 (MD5) Authentication
- EIGRP Stub Routing
- EIGRP Offset Lists
- PPP LCP (Link Control Protocol) Delay
- EIGRP Bandwidth Percent Usage
- Interface Bandwidth Manipulation
- Filtering EIGRP with ACLs
- Filtering EIGRP with VLAN Filters
- EIGRP Default Routes
- Section 10: Open Shortest Path First (OSPF) Version 2
- Enable OSPF with the Network Statement
- Enable OSPF on an Interface
- OSPF over Non-Broadcast Media
- OSPF over Broadcast Media
- OSPF over Point-to-Point links
- OSPF Backbone Area
- OSPF Normal Areas
- OSPF Stub Areas
- OSPF Virtual Links
- OSPF Backbone connectivity with GRE tunnels
- OSPF on Catalyst Switches
- OSPF MTU Ignore
- Multiple OSPF Processes
- OSPF Redistribution
- OSPF LSA Maximum Metric
- OSPF Hello Interval
- OSPF Dead Interval
- OSPF Sub-second Hello Timers
- OSPF Flood Reduction
- OSPF Default Routes
- OSPF Conditional Default Routes
- OSPF Area Summarization
- OSPF Area Authentication
- OSPF Virtual Link Authentication
- OSPF External Route Summarization
- OSPF Database Protection
- Section 11: OSPF: Core Routing
- Basic OSPF Configuration
- OSPF Over Multiple Media Types
- Multiple OSPF Areas
- OSPF Authentication
- DR/BDR Election
- OSPF Timers
- OSPF Metric Manipulation
- Stub Areas (NSSA, Stub, Totally Stubby)
- Timers (LSA, hello, dead)
- Summarization
- Virtual Links
- Section 12: GRE and Routing Protocols
- RIP over GRE Tunnels
- Using GRE Tunnels to Connect OSPF Areas
- Section 12: Border Gateway Protocol (BGP) Version 4
- Internal BGP (iBGP) Neighbor Relationships
- External BGP (eBGP) Neighbor Relationships
- BGP Update Source
- BGP Confederations
- BGP Private Autonomous System numbers
- eBGP Peering over Multiple Hops
- BGP Network Statements
- Configuring BGP on Catalyst Switches
- BGP Regular Expressions
- BGP AS Path Prepending
- BGP Route Reflectors
- BGP Manual Summarization
- BGP Unsuppress Maps
- BGP Administrative Distance Manipulation
- BGP Next Hop Self
- BGP Peering when the Remote Peer AS is Unknown
- BGP Load Balancing
- BGP Path Determination
- BGP Attribute Modification with Route Maps
- BGP Distribute Lists
- BGP Local AS
- BGP New Community Format
- BGP Communities
- BGP Community Lists
- BGP Well-known Communities (No-export, No-advertise, Local-AS, Internet)
- BGP Filter Lists
- BGP Advertise Maps
- BGP Exist Maps
- BGP Non-Exist Maps
- BGP Conditional Default Routes
- Section 14: Multiprotocol BGP
- MBGP Syntax
- Address Families
- Neighbor Activation
- MBGP Route Reflectors
- MBGP Route Maps
- Graded Flap Dampening
- Route Authentication
- Prefix Lists
- Section 15: Routing Protocol Redistribution
- Route Filtering
- Route Maps
- Passive Interfaces
- Administrative Distance
- Default Metrics
- Metric Types
- Manipulating Cost/Metrics
- Route Tagging
- Section 16: ACLs and Filters for IPv4
- Standard ACLs
- Extended ACLs
- Named ACLs
- Time-Based ACLs
- Lock-and-Key Configuration
- Reflexive ACLs
- Using ACLs to Secure SNMP
- Using ACLs with Route Maps
- Section 17: Router Security: Enterprise
- TCP Intercept
- NAT
- Securing VTY Access
- IPSec Tunnels
- AAA
- Privilege Levels
- MQC with Unconditional Packet Discard
- RPF Checks
- IP Source-Track
- SSH
- Section 18: Router Security: Core
- ACL Based Security Techniques
- Prefix-list Based Security Techniques
- Securing BGP
- Securing OSPFv2
- Securing EIGRP
- Anti-Spoofing Techniques
- Logging & System Management Security
- Controlling Interactive Access
- Flood Management & DoS Attack Prevention
- Disabling Unnecessary Services & Features
- Section 19: Router Redundancy
- Hot Standby Redundancy Protocol (HSRP)
- HSRP Priorities
- HSRP Preemption
- HSRP Preemption Delay
- HSRP Timers
- HSRP Tracking of Routing Protocols
- HSRP MD5 Authentication
- HSRP Version 2
- HSRP Version 2 Timers
- HSRP with MAC Port Security
- HSRP Burned In Address (BIA) support
- Virtual Router Redundancy Protocol (VRRP)
- VRRP Priorities
- VRRP Tracking of Routes
- IP Service Level Agreement (SLA) Monitor
- VRRP Tracking of IP SLA Monitor
- VRRP MD5 Authentication
- Gateway Load Balancing Protocol (GLBP)
- GLBP Priorities
- GLBP Preemption
- GLBP Load Balancing Methods
- IP SLA
- IOS DHCP Server
- Section 20: Advanced Router Management
- Simple Network Management Protocol (SNMP) Version 2c
- SNMP Device Values
- SNMP Community
- SNMP Traps
- SNMP Communication Tuning
- Remote Monitoring (RMON) alarms
- RMON events
- RMON Logging
- SNMP Management Information Base (MIB) variables
- SNMP MIB Persistence
- Web Cache Communication Protocol (WCCP)
- Network Time Protocol (NTP)
- NTP Server Mode
- NTP Client Mode
- NTP Authentication
- Buffered Logging
- Console Logging
- Syslog Trap Logging
- Director Response Protocol (DRP)
- DRP Authentication
- Command Scheduler (KRON)
- Embedded Event Manager (EEM)
- Cisco's Networking Services (CNS)
- Core Dumps
- HyperText Transfer Protocol (HTTP) Management
- Secure HTTP (HTTPS) Management
- Dynamic Host Configuration Protocol (DHCP) Server
- DHCP Helper Forwarding
- DHCP Client
- Domain Name System (DNS) Server
- DNS Lookup
- Protocol Forwarding
- Configuration Archiving
- Proxy Address Resolutio
- Section 21: Quality of Service: Enterprise
- Frame-Relay Traffic-Shaping
- General Traffic-Shaping
- Legacy Queuing Methods
- Congestion Avoidance
- Policing & Shaping
- Catalyst QoS
- RSVP
- NBAR
- MQC
- CBWFQ
- Section 22: Legacy QoS to Modular QoS CLI Conversion
- Advanced Catalyst QoS
- Priority-Queuing to MQC Conversions
- Custom-Queuing to MQC Conversions
- NBAR URL Matching & Filtering
- Frame-Relay Traffic-Shaping
- Section 23: Quality of Service: Core
- Weighted Fair Queuing
- Class Based Weighted Fair Queuing
- Random Early Detection
- Generic Traffic Shaping
- Frame Relay Traffic Shaping
- Traffic Classification
- IP Precedence
- Policing
- Committed Access Rate
- Modular QOS CLI
- DSCP
- Section 24: Multicast: Enterprise
- PIM Auto Rendezvous Point (Auto-RP)
- Catalyst IGMP Filtering
- Multicast Scoping
- Bootstrap Router (BSR)
- Multicast Rate Limiting
- MSDP
- Section 25: Multicast: Core
- IP PIM Dense Mode
- IP PIM Sparse Mode
- IP PIM Sparse-dense Mode
- PIM Version 1 & 2
- IGMP Version 1 & 2
- Manual Rendezvous Point
- Automatic Rendezvous Point
- MSDP
- IGMP Join-group
- Section 26: Multi-Protocol Label Switching
- Tag Switching Interface Configuration
- Tag Switching IP / MPLS IP
- Label Distribution Protocol Configuration
- Frame Mode MPLS
- Tag Switching Neighbors
- Tag Ranges
- Virtual Routing and Forwarding
- Route Distinguishers
- EBGP for MPLS
- RIP Version 2 for MPLS
- OSPF for MPLS
- Section 27: Multiprotocol BGP: Core
- Multiprotocol BGP
- Multiprotocol BGP for IPv4 Multicast
- Multiprotocol BGP for VPNv4
- Section 28: MPLS VPN
- OSPF
- MPLS (LDP)
- MP-BGP for MPLS-VPN
- VRF Configuration
- eBGP connectivity under VRFs
- ASN Override
- Section 29: Inter-AS MPLS VPN
- OSPF
- IS-IS
- MPLS (LDP)
- MP-iBGP
- MP-eBGP
- VRF Configuration
- VRF IGPs (RIP, EIGRP)
- Exchange IPv4 Routes and MPLS Labels
- Section 30: Multicast VPN
- PIM Sparse Mode
- PIM Sparse-Dense Mode
- PIM SSM
- MDT
- RP for VPN
- IGMP Join Group
- Section 31: Layer 2 VPN
- FRoL2TPv3
- EoL2TPv3
- Q-in-Q
- Layer 2 Protocol Tunneling
- PPPoE
- Section 32: RIPng and EIGRPv6
- IPv6 Addressing
- EIGRP v6
- RIPng
- IPv6 Redistribution
- Section 33: OSPFv3 and MBGP
- IPv6 Addressing
- OSPFv3
- Multiprotocol BGP
- Section 34: Cisco IOS Firewalls
- Dynamic Access Lists
- Reflexive Access Lists
- Time-Based Access Lists
- Network Address Translation / Stateful NAT
- TCP Intercept
- Context Based Access Control (CBAC)
- Stateful IOS Firewall
- Layer 2 and Layer 3 Zone-Based Firewall
- IOS Firewall Performance Tuning
- Auth Proxy
- PAM
- Advanced IOS Firewall Features
- RFC Filtering and Spoofing Filtering
Topology / Hardware
About Our Online Hardware/ vRacks
Hardware Details
- Routers are 2811 and 3825 series ISR routers.
- All routers run 12.4T IOS.
- Each rack is equipped with four Catalyst 3550/3560 switches running 12.2(46)SE Advanced IP Services code.
- Each rack has Frame Relay, FastEthernet, Serial, and GigabitEthernet technologies.
- Each rack has three Backbone routers used to inject routes; these are reachable and can be accessed by our clients.
- All routers can be controlled via the web with our GUI remote control system.
- You will not waste time on our racks... when you begin your session, your routers WILL BE set to the default (blank) setting.
- Each device can be power cycled by our RPC (Remote Power Control) system with a click of a button.
- Single Page Login (no need to telnet to rack's terminal server).
- Login and begin using our online hardware instantly.
- Session Management (view scheduled time and reschedule without human intervention).
Standard Topology
Dynamips Support
Dynamips is a popular emulator for Cisco routers, that can load and run IOS images on virtual routers on your PC. Dynamips does have limitations, particularly with respect to switching support (it can only simulate switch modules within a virtual router) and the amount of memory and CPU resources that are available on your PC. At IPexpert we understand that there are a lot of costs associated with studying for your CCIE lab exam and to that end we provide Dynamips configuration files for each of our labs that are downloadable when you purchase our products. In addition to Dynamips, we strongly recommend that you do at some practice labs using real equipment prior to your lab exam so that you are comfortable with the 3550, 3560 and 3750 switching elements of your study. Through our partner, Proctorlabs.com, we are also able to provide you with real equipment on which to implement each of our labs, when you need it.
IPexpert's Client Support Techniques
Although this product is specifically designed to be utilized as a self-study learning tool, IPexpert clients are never left on their own. In fact, IPexpert's commitment to top-notch customer support is a cornerstone of our mission statement.
Many CCIE training entities promise support on their forums or within their communities. IPexpert is different. We go above and beyond our competition by being available to serve you in many different ways.
- 24x7 peer group and Instructor support through our active email list community (www.OnlineStudyList.com)
- Tech support available directly through support@ipexpert.com
- Friendly and knowledgeable support via phone, live chat or email by CCIE-focused Training Advisors, Support Engineers or Instructors, available Monday through Friday from 8am to 6pm Eastern.
- Hardware and delivery issues addressed by Support Engineers 24x7 via telephone, live chat or email.
- Our active blog provides insight, guidance and announcements pertaining to CCIE news, product updates or lab changes.
- Dedicated Fulfillment Coordinators ensure that your order (whether hard copy or digital) is processed and delivered in a timely and accurate manner.
- IPexpert also releases news and information to clients through its Facebook group and Twitter accounts, which can be subscribed to by clicking on those appropriate links.
In summary, you can be confident that IPexpert will stand by your side from the beginning of your CCIE preparation until you earn your numbers! The CCIE certification is a long journey. Having helped over a thousand CCIE hopefuls actually pass the real CCIE Lab exam, IPexpert knows what it takes to get you there and we are DEDICATED to your success!
I found the market at the moment is flooded with CCIE RS materials, but only a few have what it takes to really get into the technologies and teach you what is needed not only to pass the lab, but to use the knowledge thereafter. I found your materials had that perfect balance of doing just that.
As for the workbook with proctor notes, this was just simply amazing, the amount of detail fed to me was just right. I find some vendors just copy and paste direct from the DOC_CD just to pad the workbook - I do not want or need this, I can get that when I want from the Cisco site. IPexpert simply broke that down again to a perfect level where one could make use of the information, without an unwanted overdose.
I have decided to pursue CCIE Security in the new year, and as far as I am concerned there is only one vendor that will get my business and that is the leader and the original CCIE training company - IPexpert. Only IPexpert with it's OSL (www.OnlineStudyList.com) provides support like no other, no one wants to wait days for an answers, with OSL I get responses within a few hours - no other vendor can boast this level of service.
Thanks for making it happen for me!!!
“I am pleased to announce that I passed CCIE Routing and Switching exam on the first attempt. I used IPexpert workbooks extensively and I can recommend these materials wholeheartedly. The greatest value I had from them is learning how to think non-linear and tackle the labs from all sides. The labs make you think non-linear and are a great help in forming the mindset for the actual exam. Also, the troubleshooting sections were challenging and I enjoyed working on them in preparation for the actual TS section on the exam.
OnlineStudyList is a great resource tool. I am very thankful to Tyson Scott and Marko Milivojevic, IPexpert instructors, because their response times were always incredibly short. You will also find many other CCIEs there, as well as CCIE candidates, all willing to help and participate in the discussions. Last but not least, I am very satisfied with the help and support from the IPexpert sales department. It is not common to find such devotion to a client’s satisfaction in the industry.”
Investment Assurance Program
At IPexpert, we understand the importance of ensuring the value of your investment. When you embark on your certification path, you can rest assured that IPexpert will be your advocate along the way!
As a valued IPexpert client, you are entitled to the following benefits related to this product:
As you begin working through your IPexpert materials, we are confident you will be extremely pleased with the content. Our renowned team of instructors developed a methodology for teaching engineers complex technologies in a structured manner that maximizes understanding during each study session.
From the accuracy and thoroughness of the material to the flow from topic to topic, our years of product refinement are evident throughout. That said, because we are constantly striving to improve, our Instructors may revise the materials you purchase. Whether the wording of single question is changed or an entire section is replaced, you will receive online access to the revised material at no charge.
NOTICE: The above-stated details are governed by the following program policies:
- The lifetime of your Investment Assurance Program coverage correlates to the Cisco exam version in effect at the time of your purchase. When a new version of the certification exam you are pursuing becomes effective and enforced by Cisco, you will be offered a discounted upgrade path to purchase training solutions correlated to the new exam version.
- Coverage is valid for products and courses directly purchased from and delivered by IPexpert. Training products and courses purchased through or delivered by third parties and partners of IPexpert may be governed by separate policies set forth by the third party vendor.
- Coverage is valid for training purchased at full retail pricing. Coverage may not be applicable with sale prices, negotiated volume discounts, promotional giveaways, free samples or other non-standard pricing scenarios.
- Regarding errata and revisions provided for self-study products, online access may not be applicable to all products. In that case, you will have the option to purchase new media for a nominal fee to cover production, shipping and handling.
- If you purchase an IPexpert instructor-led course, but do not pass the exam afterwards, you are eligible to retake the class once again before your next lab exam attempt - at NO CHARGE.
*If the original class was sold at a discount, the difference between the list price and the price paid will have to be paid in full prior to sitting the retake seat at the boot camp.
To Be Determined Policy
Note: Students are required to complete the Cisco Course Evaluation for the first class to qualify for a retake. Our courses are consistently in high-demand and fill up fast. Retake seats are limited, of course, so email your request to sales@ipexpert.com as soon as possible to have a better selection of dates and locations.
Be sure to contact a Training Advisor if you have any questions or concerns prior to your purchase.
