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Internet Protocol version 4 (IPv4) is the first and dominant standard network layer protocol in use by computers and electronic devices to exchange data over the Internet. IPv4 uses 32-bit addresses (e.g. 144.214.32.4 in dot-decimal notation), which limits the number of unique addresses to 4.3 ...
The Computer Room in the Computing Services Centre (CSC) is the core location where most of the critical IT equipments are resided. The room, built and designed over 20 years ago together with the whole campus, its space was believed to be more than enough when it was first enacted. However, with ...
"eduroam" (Education Roaming) is a global wireless network using WPA ( IEEE802.1X) security technology to enable staff and students of a member institution to use the wireless network of another eduroam member with the use of the credentials (user name and password) provided by their home ...
As mentioned in the previous article on Campus Network Upgrade ( Ref: Network Computing Issue 54 - December 2007 ), the University’s campus network is currently undergoing a major upgrade, from CTNET III to CTNET IV. The network upgrade consists of 2 phases. Phase 1 of the network upgrade was ...
Staff members and students may or may not be aware that the University’s data network is currently undergoing a major upgrade process. The upgrade consists of two phases. The first phase was actually started early this year and it has almost come to completion. The second phase will take place near ...
With the deployment of the new Aruba Wireless LAN (WLAN) System and installation of new access points in the past two years, we have over 600 access points supporting IEEE802.11a, b and g standards scattered around the main campus, Festival Walk Office and the Student Residence. The main campus is ...
The term Wi-Fi is now commonly used to describe the underlying technology of wireless local area network (WLAN) based on the IEEE 802.11 specifications. Wi-Fi hotspots are venues (often public locations) that offer broadband Internet access using the WLAN technology. In Hong Kong, most hotspots for ...
Over the last 2 decades, the CityU's Email Infrastructure has undergone several major changes. Back in the 1980s, the email system was provided as an optional service which offered assistance to staff and students to carry out their academic and administrative works. Nowadays, email system is not ...
The CSC (the Computing Services Centre) will conduct the 3rd major upgrade to the campus network within the coming 3 years. A tendering exercise has been started for a total network upgrade solution which included a comprehensive network upgrade plan, plus the supply, installation, testing and ...
Virus, Worm or Trojan is no longer a technical jargon. They are so common and their impacts are so severe that they have appeared many times in the headlines of newspaper and media, such as CNN at http://www.cnn.com/2005/TECH/internet/08/16/computer.worm/index.html. Although anti-virus vendors are ...