IT Specialist

LAURIE E. SAVAGE

**** ******** ******* **.

Alexandria, VA 22309

703-***-**** **********@***.***

MAINTAINS: ACTIVE TS/SCI CLEARANCE LEVEL OF SECURITY

SUMMARY OF QUALIFICATIONS AND SKILLS: . Skilled IT Specialist/IT Security

Tester with over 25 years of Mainframe, LAN/WAN, Server and Workstation

hardware/software experience.

. Proven experiences of working well under stressful conditions

. Demonstrated track record of achieving goals in a team or independent

environment.

. Highly motivated and dependable with excellent interpersonal

communication, customer relationship management, organization, time

management and problem resolution skills.

. Strong ability to communicate, schedule, train, motivate and coordinate

tasks in an Independent, Team and/or Technical Lead position.

Languages: DOS, Basic, Fortran, Cobol, HTML and .ASP

Software: Windows Workstation 3.1/95/98/NT4.0/2000/2003/XP/Vista/Windows7,

VMware, Microsoft FrontPage 98, OS/2, Windows NT Server 4.0, Windows Server

2000/2003/2008, Linux, UNIX, Microsoft Active Directory, Excel, Access,

PowerPoint, Outlook, Terminal Services, Word, Visio, WordPerfect, Peregrine

Service Center, HPOV, RSA/ACE Secure Token software, Cisco Works ACE 2000,

Tripwire 4.0, Texas Digital Quick Send/Receive software, Java 2, UnDelete,

OrgPlus SharePoint and Adobe Professional.

Enterprise Management Tools: McAfee ePolicy Orchestrator (ePO) 2.5.1, Dell

IT Assistant, NetOp Remote Control, McAfee Virus Scan (desktop), NetShield

4.51 (server), Microsoft SUS, NetIQ Security Manager, Cisco Works ACE 2000,

Antigen, Dell Open Manage, Tripwire and VMWare.

Network Topologies: 10-Net Star-LAN, Token Ring and Ethernet.

Network Vulnerability Scanning Tools: Nessus, Nipper, Nmap, MSBA, SARA and

ISS Internet Scanner, Retina WAASP v6.2.2 (Windows Scan Tool), SECSCN

(Unix/Linux Scan Tool) and Gold Disk v2.0, HP Fortify and HP CodeProfiler.

Protocols: DHCP, DNS, TCP/IP, IPX/SPX, Microsoft 32-bit DLC (for SNA

traffic), FTP, HTTP, HTTPS: IPSec, NTP, POP, OSPF, SMTP, SNTP, Telnet,TLS,

SSH, SSL, IRC, NetBIOS and NetBEUI.

Encryption Devices: KG-74, KG-84, KG-94, KG-175, STE and STU III

Years of experience:

13+ years in C&A Testing (vulnerability scans), documentation (creation and

review), generating POAM's during and after testing, reporting

false/positive findings, and the testing tools used are listed above.

24+ years in Network (LAN/WAN)/Server/Desktop hardware and software

support.

5+ years in Web Development (installation configuration and maintenance).

6+ years working with Linux and Unix platforms

20+ years in Windows System Administration including, but not limited to

Windows Active Directory, DNS, File and Microsoft Exchange Servers.

5+ years in auditing and ensuring that Microsoft Exchange Servers perform

at maximum capacity and at an error free level of performance.

6+ years implementing and utilizing the Texas Digital Alert/Alarm Systems.

PROFESSIONAL EXPERIENCE:

KSJ & Associates, Falls Church, VA: May/2013 to Sept/2013

Information System Security Engineer

. Perform duties as an Information Assurance Engineer and Information

Systems Security Engineer (ISSE) Military Health System (MHS) centrally

managed systems in support of MHS Resources, Logistics, Clinical, and

Executive Information and Decision Support systems managed by the Defense

Health Services Systems (DHSS) Program Office.

. Work as part of an integrated team of systems and operations engineers

and Information Assurance (IA) analyst's in support of multiple DHSS

systems. The specific duties include: Interaction with software

development and sustainment vendors to ensure they applications and

software operate securely; to test, identify and detect software

vulnerabilities using established DHSS software scanning tools (e.g. Web

Inspect, Retina, Fortify); to develop technical risk assessments,

mitigations, and security controls for any findings; to use an established

security vulnerability checklist to guide security and penetration testing;

work with the Tier III development contractor to identify and mitigate

known vulnerabilities; and to develop Plans of Action and Milestones

(POA&Ms) to resolve any security vulnerabilities and findings, including

timelines.

. Provide Security engineering oversight consulting throughout the product

lifecycle, assist where needed in the development of system and security

designs, providing security engineering support as a member of the

engineering support team, provide oversight of software design and

development activities with an emphasis on application and system security.

.

AC4S, Springfield, VA: Oct/2012 to Nov/2012

Security Control Assessor

. Attended the ICD 503 Training

. Completed all Mandatory Training in order to obtain the required

accounts/accesses

. Self trained on any and all new Technologies that the Customer/Client is

implementing into the Network.

General Dynamics Information Technologies (GDIT), Arlington, VA: Mar/2012

to July/2012

Cyber Security Assessor

. Responsible for testing network applications and baseline software using

Windows/Linux VMware.

. Created the necessary supporting Excel, MS Word, Notepad, WordPad and MS

Office Outlook Email documentation that support the findings for the Body

of Evidence (BOE) that is provided to the Customer/Client.

. Create the Plan of Action & Milestones (POA&M's) so that the

Integration/Program Manager can patch/fix the system and/or documentation.

. Kept Management abreast of all issues/problems that were encountered so

that they could keep the Customer/Client informed.

. Self trained on any and all new Technologies that the Customer/Client is

implementing into the Network.

. Attended all of the Mandatory Training that is required by General

Dynamics,the Contract and DoD 8570 Requirements.

BAE Systems, Herndon, VA: Jun/2010 to 1/14/2011

Lead Test Engineer, BAE/Customer:

. Responsible for testing network devices and software using Windows/Linux

VMware.

. Created the necessary supporting Excel, MS Word, Notepad, WordPad and MS

Office Outlook Email documentation to support the findings to provide to

the Customer/Client.

. Performed the loading of Cisco IOS's to systems independently and also

coordinated any other troubleshooting that was required to accomplish the

task.

. Kept Management abreast of all issues/problems that were encountered so

that they could keep the Customer/Client informed.

. Updated the Confluence Trouble/Problem tracking database so that everyone

(Team Members and Management) were aprised of any findings/solutions on the

ticket.

. Performed the predetermined tests that were assigned and updated the

Confluence Web Page with the results/findings.

. Worked Independently and as a Team member to accomplish the tasks that

were assigned.

American Cyber System, Inc. (ACS), Tucker, GA: Dec/2009 to 2/12/2010

Information Security Tester, ACS/Northrop Grumman Corporation/Defense

Intelligence Agency (DIA):

. Responsible for verifying C&A documentation to ensure that the system

meets the DCID/3 requirements.

. Created an on-going Excel spreadsheet to document the vulnerabilities and

documentation problems that needed to be addressed by the System

Administrators and Documentation Team that were assigned to the Pilot

Project C&A Team. This allowed them ample time to address any/all issues

and concerns of the system proactively.

. Assisted the Senior System Administrator in addressing the local crypto

needs that the DIA contact was concerned about regarding access and the two-

way communications of the System. Suggested that they use IPSec or SSL

2.0/SSL3.0/TLS 1.0 in the IE Browser "Advanced" settings.

. Assisted the Team with creating, testing, validating and ensuring that

the documented Information System (IS) was as stated in the deliverables.

. Tools that were used to conduct the testing includes, but is not limited

to the following: Nessus 4.0, Nipper, Nmap, MSBA, Retina and Gold Disk.

. Systems tested: SPSS, Portal, MicroStrategy, DSI, Analyst Notebook (Plug-

in), Web Services, Oracle database and Solaris Unix.

. Ran the security scans on the base DodIIS image builds and then again (re-

scanned) after the applications/services/forms/portal/Oracle database were

installed.

. Assisted with the Security Risk Tractability Matrix requirements.

. Performed the Security Test Procedures to ensure that the results were as

to be "expected".

. Documented all of the results and assisted the System Administrators with

resolutions to the findings.

Missing Link Security, Inc. (MLS), Springfield, VA: Sept/2008 to Feb/2009

Information Security Tester/Northrop Grumman Corporation/Department of

Homeland Security:

. Completed the Certification and Accreditation Network Security

Vulnerability Scanning tests on the United States Department of Homeland

Security Network (DHSN) which ultimately lead them to obtain a successful

and unquestioned Authority to Operate (ATO) by their deadline date of

December 10, 2008.

. Prepared all of the necessary documents (not once, but twice) that again

- successfully lead to the re-accreditation of the Dell and Solaris DHSN

network. Tests were based on the National Institute of Standards and

Technology process. Again, this was another huge contributing factor in

DHS's ability to receive the desperately needed ATO.

. Due to my proactive development of an on-going Excel spreadsheet, we was

able to complete not only the one "agreed on" network scan, but two full

network scans with results.

. From the above Excel spreadsheet, we were able to provided DHS with the

specific Risk Level, Vulnerability, Observation, Impact, Ease, and

Recommendation on the DHSN network. DHS and Northern Grumman were able to

resolve just about all of the vulnerabilities before the unidentified

Independent Contractor came in to execute the final scans.

. Provided security engineering design support as necessary, and conducted

an extensive comprehensive risk assessment of the Dell, Solaris and Cisco

environments. This also aided in the DHS and Northern Grumman's ability to

obtain the ATO that was necessary to keep that network up and operational

until the final testing date.

. Assisted the client in the preparation of security plans as appropriate

for each designated security level of concern and developing mitigation

procedures to reduce threats from residual risks.

. Conducted testing as required on the Dell Server and desktop, Cisco

Router/Switch, Solaris environment to determine the vulnerabilities

associated with the system being evaluated.

. Proactively provided the client with technical security recommendations

throughout the testing so that they could enhance their infrastructure

security posture for when the independent unidentified re-testers came

later in December for the final C&A testing.

. Tools used to conduct the testing includes, but is not limited to the

following: Nessus, Nipper, Nmap, MSBA, and SARA.

Information Security Tester/United States Patent & Trademark Office

(USPTO):

. Performed Certification and Accreditation support to the United States

Patent and Trade Office (USPTO).

. Major duties included preparing all of the necessary C&A documentation

deliverables to the USPTO that was ultimately used to successfully re-

accredit the USPTO system (Dell Server and PC, Cisco Router/Switch and

Solaris environment) based on the National Institute of Standards and

Technology process.

. Provided security engineering design support that was also used as

evidence in the re-certification effort. .

. Conducted a comprehensive risk assessment of all of their system devices

(Dell Server and PC, Cisco Router/Switch and Solaris environment)..

. Produced Security requirements documentation and the Security Test and

Evaluation plans on the Dell Server and PC, Cisco Router/Switch and Solaris

environment that was also used to successfully validate the USPTO system.

. Assisted clients in the preparation of security plans as appropriate for

each designated security level of concern on the Dell Server and PC, Cisco

Router/Switch and Solaris environment. This, also, was extremely crucial

for the USPTO so that they could mitigate a lot of issues that may have

come up during the final C&A approval.

. Assisted clients in developing mitigation procedures to reduce threats

from residual risks.

. Provided clients with technical security recommendations to enhance their

infrastructure security posture on the Dell Server and PC, Cisco

Router/Switch and Solaris environment.

. Conducted system testing as required to determine the vulnerabilities

associated with the system being evaluated on the Dell Server and PC, Cisco

Router/Switch and Solaris environment.

. Tools used to conduct the testing includes, but is not limited to the

following: Nessus, Nipper, Nmap, MSBA, SARA and ISS Internet Scanner.

Federal Bureau of Investigation, Washington, DC: May/1988 to Aug/2008

2005 - 2008 - INTRANET/INTERNET/SERVICE SUPPORT CENTER/Information

Technology Specialist, GS-13:

. Successfully and flawlessly updated FBI Intranet Web Pages utilizing

FrontPage 2003 and other Web software tools (i.e. Adobe PhotoShop and Adobe

.PDF Converter software, etc to meet the Section 508 code (Disability

Act). Received awards and letters of recommendation as a result of the

superior work.

. Responsible for ensuring that the Monthly Web Server Back-ups were

performed successfully on the Dell Servers located in the Data Center.

(Note: I created the new back-up procedures and documentation).

. Created a new Back-up Policy that eliminated about a days worth of work

of moving and deleting old files stored on the Dell Servers. This new

policy also eliminated the Dell server hard-drive space issues that had

been re-occurring for months before I was tasked as the "Server" expert for

the FBIHOME website..

. Set-up a Test LAN environment for the Microsoft SharePoint 2007 Team.

This included loading Beta Vista on a few new Dell workstations, adding

additional cabling, routers, etc... I personally performed and coordinated

all of the fore-mentioned work. As a direct result of my efforts, the FBI

was able to have a SharePoint 2007 Test/Beta environment installed on a new

Server. The Peregrine ServiceCenter Team was also able to "test" their

software in this environment as well.

. Personally trained all of the customers that I was responsible for on

"How To" setup the FBI Web Page Standards" and "Section 508 Standards".

2003 - 2005 - FBI ENTERPRISE OPERATIONS CENTER/Telecommunications

Specialist

. Network + and Network 201 (Taclane) training. I am knowledgeable in the

FBI's Crypto environment and have loaded the KG-84, KG-94 and KG-175

(TACLANE) with the Data Transfer Device (DTD)

. Troubleshot WAN connectivity issues that involved Ethernet TLS and EPL

connectivity issues to the FBI Field Offices via Telnet by utilizing the

appropriate Cisco commands and Authentication to verify the IOS

(Internetwork Operating System) configuration.

. Troubleshot Wan DC3 and OC circuit problems with the Clarksburg, WV Data

Center. Usually the problem was with the circuit carrier, but the

appropriate troubleshooting was conducted in-house before contacting the

circuit carrier.

. Ensured that connectivity between Pocatello, Idaho, FT. Monmouth, NJ, and

Clarksburg, WV, were okay to ensure no Mainframe connectivity issues for

the West Coast clients.

. Occasionally assisted the Field Offices with reloading the Cisco IOS that

was sent via the Tier 3 level of Support from FBIHQ.

. Reset Windows 2000 Active Directory passwords

. Reset CA TSS Mainframe passwords.

. Troubleshot problem(s)/error(s) to determine if it is Application,

Network, Server, Workstation or Printer related issue.

. Performed Tier 2 support as a Security Administrator that was responsible

for updating the Enterprises Email/Server/Workstation Antivirus software

and monitoring Network Intrusions/Violations.

. Created elevated user accounts for the Enterprise Operations Center

personnel. This allowed them access to the FBI's EMS tools (i.e. Cisco

Works ACE, Cisco Works 2000 and HPOV).

. Worked in conjunction with the Enterprise Security Operations Center

(ESOC) in finding, locating and reporting any suspicious activity on the

four enclaves (Black, Red, Orange, UNET).

. Assisted the ESOC in identifying Network "Computer Incident Reports". We

worked together in gathering and documenting the necessary information.

. Monitored the daily McAfee ePolicy Orchestrator (ePO) logs to ensure that

all of the workstations were getting the current .dat file updates. If the

files were not, I had to remote in to the workstation to resolve/fix the

problem.

. Created "How to" documentation for the System Administrators to be able

to assist with the EMS tool audit.

. Coordinated and performed the procurement, installation, configuration,

training and maintenance of the EOC's Texas Digital Alert/Alarm FlexView

display board, QUICKCOM and Quick Send/Receive software.

. Coordinated the effort of replacing all of the EOC personnel One-Way

pagers with Two-Way pagers.

. Received formal classroom training in the following: Network Tools/ CCNA,

Network +, A + and have self-taught in the following areas: installing and

configuring Wi-Fi LAN's, DHCP, DNS, Terminal Services and Windows XP

Firewall (i.e. opening/restricting certain TCP and UTP ports).

. Performed Tier 1 support assisting the FBI's 29,000 plus customer base

with the following support: Mainframe Application and Print problems (i.e.

ACS, ATC, TSP region print problems, etc Windows Desktop support on

various models of Dell PC's (i.e. "how to" create short cuts for users and

then elevated support for the Field IT's such as making necessary Windows

Registry Setting changes, Editing .INI files, etc

. Performed a complete audit on all of the FBI's 19 EMS tools. The audit

was performed on over 400 Servers in a three month time frame. An Excel

Report was compiled and the findings were forwarded to Management and the

Enterprise Architectural Team for review and resolution to the findings.

. Worked with McAfee ePo server to ensure that all of the Intranet

workstations were receiving the latest .dat file updates.

. During the EMS Server audit, made the necessary configuration changes to

the Microsoft

1999-2003 - Certification & Accreditation/Telecommunications Specialist

. Documented the System SSA and/or SSAA technical documentation (e.g.

Contingency Plan, Appendix O, etc

. Coordinated efforts with the Security Division to ensure all standalone

and network systems met C2 and DCID/DOJ/CERT security requirements. As a

direct result of my FBI network infrastructure knowledge and contacts, we

were able to get one of the networks (TOU) up to par so that it would pass

the C&A process flawlessly.

. Performed system vulnerability scans and recommended patches/fixes to

resolve non-compliance issues. Specifically, the customer was provided with

the Risk level, Vulnerabilities, Observation, Impact, Ease and

Recommendation.

. Coordinated with the System Administrators in implementing the necessary

patches and/or updates in order to meet C2, FISMA, DCID 6/3 and NIST 800

requirements.

. Reported findings to Executive Management for corrective action(s).

. False positive findings were identified and addressed in the C&A

documentation process.

. Performed manual and automated vulnerability scans on Oracle databases,

Windows Servers/Workstations, Linux, Unix Operating Systems and IIS ver. 5

& 6 Server website configurations.

. Generated additional documentation to assist the System Administrators

and Database Programmers with resolution to the findings.

1995-1999 - FBI Help Desk/Telecommunications Specialist

. Motivated, tasked and assisted the 20 Help Desk Unit (HDU) new hires with

special projects such as configuring the Network card, TCP/IP and SNA 3270

emulator software configurations (Attachmate).

. Trained the 20 HDU personnel on the IBM Token Ring naming convention and

also the Token Ring topology infrastructure. Training was also provided on

the Mainframe Application and Print Facilities.

. Responsible for the Help Desk Unit's hardware and software inventory.

. Planned and coordinated the relocation of the 24x7x365 Help Desk from

multiple offices to a centralized location while maintaining full

operational capability. End result was that all HDU personnel were

centrally located and in an office environment that was sufficiently ample

with all of the appropriate equipment in order for the HDU to successfully

perform all of their job functions.

. Coordinated all of the required tasks with the Facilities Management Unit

(FMU), Telephone Services Unit, and various contractors for the

installation of electrical services, Uninterruptible Power Supplies, fiber

optic cable, and the Automatic Call Distribution system as well as facility

painting and carpet installation. As a direct result, the HDU was able to

centrally locate all HDU employee's into a central location.

. Documented current help desk equipment and designed a physical blueprint

layout for the new Help Desk facility including placement of PC hardware,

telephones, and data/telecommunication lines for all of the help desk pod

stations.

. Trained the new and existing help desk employees. Training included but

was not limited to the following: FBI internal naming conventions,

mainframe applications support, and print facilities support. As a direct

result of this training, the call resolution stats greatly went up for

"first call" resolution.

1992 - 1995 - FBI LAN Support

. Assisted in managing the FBI LAN/WAN environment by using network tools

such as Timeplex View 2000, LAN Guard, VAX (Kermit), and Netview.

. Wrote maintenance and procedures manual for maintaining legacy MUX

equipment, which became standard reference material for the network and

help desk personnel.

. Performed remote maintenance of legacy Multiplexer (MUX) equipment.

. Maintained and troubleshot the Headquarters LAN (HQLAN) Bridge and KDC

equipment.

. Attended formal FBI Training in the following Secure Data classes: Secure

Data Systems/Basic (1990), Secure Data Systems (1993 KG-94), Data

Communications/ISA (1992 - KG-84), HQ/Regional Center ADP Planning (1993)

and Management Support Supervisors Management (1994).

1989 - 1992 - FBI LAN DESKTOP Support

. Performed PC Desktop and Printer support for the Technical Services

Division (TSD) - that consisted of approximately 400 PC's and 200 Printers.

. Installed printers, formated drives, relocated PC's and printers.

. Upgradied the Baseline Software as the software updates were available.

. Replaced defective hardware such as: floppy drives, motherboards, hard

drives, memory modules and CMOS batteries.

. Performed PC backup/restore to the systems.

. Troubleshot third party software programs (i.e. RBase, Excel, Dbase,

Freelance, etc

. Successfully implemented the TSD network hardware/software environment

from 10Net Star-LAN to a Token Ring environment.

. Successfully completed the TSD 4 MBPS Token Ring LAN to 16 MBPS upgrade.

Changed the Token Ring Cards daughter card jumper setting from the 4 to 16

MBS setting. This involved opening all of the CPU's, removing the Network

Interface Card (NIC) and moving the jumper. Also, verified that the

software settings were changed from 4 MBS to16 MBS in the NIC's software

configuration.

. Troubleshot Ring, MAU and PORT problems with the ET's (Electronic

Technician's).

. Documented and maintained a software backup inventory for every

workstation that was converted. All additional software that was installed

on a workstation was manually restored from the IRWIN Tape drive backup

that I completed and verified before and after the conversion.

1988 - 1989 - FBI MAINFRAME (DATA CENTER) Support

. Ensured that all Mainframe Online JOBS ran successfully in the TS Test

and Production and SCI Production environments.

. Ran Output JOBS on the high speed Xerox and Impact Printers.

. Performed Supply Duties for the Technical Services Division Data Center.

Ensured that there was ample paper available by performing a monthly

inventory (i.e. three-hole punch, plain, color and special paper in-stock).

. Placed Purchase Order Forms to replenish depleted stock.

. Self taught on various Mainframe commands to start/stop/cancel/purge On-

line Mainframe JOBS as well as other Mainframe commands.

FBI Achievements:

. Received first ever Exceptional End-of-Year evaluation from Anthony

Giannico, Director FBI LAN Support services.

. 10/03/97 - Awarded a Time-Off Award for 16 hours

. 12/05/97 - Special ACT/ACH Award $350.00

. 07/16/98 - Awarded a Time-Off Award for 32 hours

. 09/28/98 - Awarded a Time-Off Award for 8 hours

. 03/09/99 - Awarded a Time-Off Award for 8 hours

. 03/08/00 - Awarded a Time-Off Award for 16 hours

. 03/25/03 - Awarded an One-The-Spot Award $250.00

. 09/15/04 - Awarded a Individual Time Award for 8 hours

. 1996 - Awarded with a Personalized Mug from the Information Resources

Division

. 10/31/2005 - received a CIRG Special Flight Operations Unit coin for

outstanding work

. 03/03/2008 - Awarded a Time - Off Award for 8 hours

. 03/17/2008 - Awarded a Time - Off Award for 8 hours

GENERAL DYNAMICS INFORMATION TECHNOLY ACHIEVEMENTS:

. Security+ Certification received on July 17, 2012

. CISSP (in progress 2013)

BAE ACHIEVEMENTS:

. 2010 - Awarded with a Mission Solutions 2010 Performance "Team Work"

certificate

EDUCATION:

Associate Degree/ California University of Pennsylvania, California, PA/

1988 in

Business Administration/Computer Based Systems Management

FBI TRAINING:

In-Service Training:

Data Communication/ISA, 1992

Secure Data Systems, 1993

HQ/Regional ADP Planning, 1993

Management-Support Supervisors, 1994

Training/GETA Training:

Microcomputer Auditing, Security and Viruses, 8 hrs, 1991

CrossCom Bridge Training, 16 hrs, 1992

G3758 Token Ring Network Tech Introduction, unknown hours, 1992

Intro to Freelance, 40 hrs, 1993

Managing and Fine-Tuning the Existing Help Desk, 40 hours, 1994

Netware 4 Administration, unknown hours, 1995

Netware 4 Advanced Administration, unknown hours, 1995

Contracting Officer Technical Representative Course, 40 hrs, 1995

Novell 4.x Administration, unknown hours, 1995

Novell 4.x Advanced Administration, unknown hrs, 1995

Novell Install/Configuration, unknown hrs, 1995

Network Technologies, unknown hrs, 1996

Netware Design/Implementation, unknown hrs, 1996

TCP/IP, 40 hrs, 1996

Netware Service/Support, unknown hrs, 1996

Cisco Certified Network Administrator, 2003

A + Certification, 2003

DMS-100, 40 hrs, date unknown (Raleigh, N.C.)

CCMS (Central Call Management System), 40 hrs, date unknown (Raleigh, N.C.)

Quantico In-Service:

Secure Data Systems/Basic, unknown hrs, 1990

Time View 2000 Network Management, unknown hrs, 1992

Time View 2000 Administrator, unknown hrs, 1992

Link/2 T1 Theory, unknown hrs, 1993

Network Tools, 2004

Network + (CCNA), 2005

Network 201, 2005

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