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Virtualization & VM Backup
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Everyone who attends the webinar has a chance of winning a VMware VCP course (VMware Install, Config, Manage) worth $4,500!
Climbing the career ladder in the IT industry is usually dependent on one…
Cisco CallManager-CCME
CallManager Express Setup for IP Phone Firmware U…
This article will show how to configure CallManager Express (CME) for the IP phone firmware upgrade process. Upgrading your Cisco IP phones is generally a good practice, especially when upgrading you…
Ethernet Protocol, CSMA/CD, Collisions
IEEE 802.3 Interframe Spacing
The IEEE 802.3 specification states that before a station can attempt to transmit on the wire, it must first wait until it has heard 9.6 microseconds of silence. Many popular myths have arisen surrou…
Ethernet Protocol, CSMA/CD, Collisions
Manchester Signal Encoding
The device driver software receives a frame of IP, IPX, NetBIOS, or other higher-layer protocol data. From this data, the device driver constructs a frame, with appropriate Ethernet header informatio…
Cisco Data Center (Nexus/UCS)
Join Australia’s First Official Cisco Data Center…
It’s a reality – Australia now has its own Official Cisco Data Center User Group (DCUG) and it’s growing fast! Originally inspired by Cisco Champions Chris Partsenidis and Derek Hennessy, the idea wa…
Routing
Link State Routing Protocols
Link State routing protocols do not view networks in terms of adjacent routers and hop counts, but they build a comprehensive view of the overall network which fully describes the all possible routes…
Windows Servers
Active Directory Tombstone Lifetime Modification
Tombstone is a container object that contains the deleted objects from Active Directory. Actually when an object is deleted from Active Directory, it is not physically removed from the Active Directo…
Spanning Tree Protocol (STP)
Spanning Tree Protocol – Part 3: Bridge ID, Prior…
In this article we will examine the Spanning Tree Bridge ID structure, explain why it has increments of 4096, how VLAN information is embedded (for Per-VLAN Spanning Tree & multiple STP instances…
Windows Servers
How to Enable & Configure Shadow Copy for Shared…
When you shadow copy a disk volume, you are actually generating a snapshot of the changes made to the folders and files within the disk volume at a certain point in time. Windows 2012 R2 shadow copy…
Windows Servers
Windows 2003 DHCP Server Advanced Configuration -…
Part 1 of our Windows 2003 DHCP Server Advanced Configuration article explained the creation and configuration of DHCP Scope options and how to configure various DHCP server settings. This article fo…
Routing
Enhanced Interior Gateway Routing Protocol - EIGRP
Enhanced Interior Gateway Routing Protocol (EIGRP), similar to IGRP, is a Cisco proprietary routing protocol that is used to exchange routing information between different routers within a network. E…
Windows Servers
Windows 2012 Server Foundation, Essential, Standa…
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Windows Server 2012 Editions
On the 1st of August, 2012 Microsoft releas…
Wi-Fi Key Generator
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Cisco Password Crack
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