Istvan Kalmar
  • Hungary
Member Since: 2009/06/29
Industry: Computer & IT
Tech Certifications:
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Genius
Freelancer
Consultant
Job Seeker

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Activity
Points this month2,247
Total points2,396,667
Questions: 24
Solutions: 1747
Articles: 2
Videos:
Courses:
Posts:
Group Discussions: 1
Professional Background
CTO
KAPSCH Businesscom AG
May 2017 – Present
Hungary
Senior Network Engineer
SCI-Network Inc.
December 2015 – Present
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Education
Óbuda University - OE-KGK
Master's degree, Economics - Business Development
2013 – 2015
Budapest polytechnic
electrical engineer
Telecommunication
1996 – 2002
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Full Biography

Specialties:Core networking
TCP/IP routing and switching.
Routing protocols:RIP,EIGRP,OSPF,BGP.
Unicast/multicast routing.

Network security
LAN security: securing LAN devices, Network Admission Control technoligies.
WAN/Internet security: Firewalls, VPNs, IPS.


Voice over IP
Cisco Unified Communication based IP telephony.
Voice Gateways both in enterprise and SP environment.
Protocolls: SIP/H323/MGCP/SCCP

CISCO, HP, Ruckus Wireless, Paloalto networks, Riverbed, Extreme network, Fortinet

Languages
English
Limited Working Proficiency

Level Progress

Current: Level 34
Istvan needs 53,333 points to level up.
LVL 35
  • Overall
    34
  • Routers
    25
  • Cisco
    17
  • Switches / Hubs
    15
  • VPN
    13
  • Hardware Firewalls
    12
  • Networking
    10
  • Networking Hardware-Other
    10
  • Network Architecture
    9
  • Wireless Networking
    9
  • Network Operations
    7
  • Wireless Hardware
    7
  • Voice Over IP
    7
  • Internet Protocol Security
    7
  • IP Telephony
    6
  • Network Management
    6
  • Software Firewalls
    5
  • Broadband
    5
  • Network Analysis
    4
  • Networking Protocols
    4
  • Network Security
    4
  • DHCP
    3
  • Security
    3
  • TCP/IP
    3
  • Telecommunications
    3
  • Windows Networking
    3
  • Anti-Virus Apps
    2
  • Windows Server 2003
    2
  • Exchange
    2
  • SSH / Telnet Software
    2
  • Hardware
    2
  • DNS
    2
  • Windows XP
    2
  • Server Hardware
    1
  • Windows 7
    1
  • SSL / HTTPS
    1
  • Microsoft Legacy OS
    1
  • IT Administration
    1
  • Microsoft Server OS
    1
  • Remote Access
    1
  • Web Browsers
    1
  • Dell
    1
  • OS Security
    1
  • Storage Software
    1
  • Software-Other
    1
  • Encryption
    1
  • Internet Protocols
    1
  • SBS
    1
  • Components
    1
  • Miscellaneous
    1
  • Web Development
    1
  • Paessler
    1
  • Productivity Apps
    1
  • Windows OS
    1
  • iPad
    1
  • Windows Server 2008
    1
  • Microsoft Forefront ISA Server
    1
  • Printers and Scanners
    1
  • Windows Vista
    1
  • File Sharing Software
    1
  • Active Directory
    1
  • Azure
    1
  • Smartphone Programming
    1
  • Virtualization
    1
  • Web Servers
    1
  • Microsoft Visio
    1
  • Microsoft IIS Web Server
    1
  • Outlook
    1
  • Mac OS X
    1
  • Disaster Recovery
    1
  • Email Servers
    1
  • Embedded Hardware
    1
  • Game Consoles
    1
  • Microsoft Enterprise
    1
  • Microsoft Server Apps
    1
  • Multimedia Programming
    1
  • Office 365
    1
  • Programming
    1
  • Storage
    1
  • Voice Recognition
    1
  • Vulnerabilities
    1

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