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What Does Server Cage Mean? Techopedia Explains Server Cage The primary use of server cages is for security. With larger data centers or other server operations, businesses can put server cage security in place for several reasons. For an in-house server system, business leaders may want extra security for high traffic areas. Another popular use of server cages is when a single data center handles server operations for multiple clients. Here, it can be very useful to put each client’s separate server hardware in a different cage to prevent unauthorized crossover....

What Does SQL Injection Scanner Mean? A SQL injection scanner is an automated tool used to verify the vulnerability of websites and web apps for potential SQL injection attacks. During a SQL injection attack, the hacker attempts to illegally retrieve stored database information like usernames, passwords, etc. SQL injection scanners test the websites and web apps to check whether they are prone to SQL injection attacks. Techopedia Explains SQL Injection Scanner SQL injection is probably the most prevalent web app hacking technique that attempts to pass SQL commands via a web application to cause undesired results....

What Does Autonomous Vehicle Mean? An autonomous vehicle is a vehicle that can drive itself without input from a human driver. There are several types of self-driving vehicles, depending on their level of automation. These levels have been defined by the Society of Automotive Engineers (SAE) which has set 6 of them adopted by the U.S. Department of Transportation ranging from Level 0 (fully manual) to Level 5 (fully autonomous)....

What Does In-Service Software Upgrade (ISSU) Mean? An in-service software upgrade (ISSU) is a process through which networking devices and firmware can be patched or upgraded without interrupting the underlying device/equipment’s operations. ISSU is a method for updating a networking device without the need to stop its ongoing processes and restart, which degrades overall network services. Techopedia Explains In-Service Software Upgrade (ISSU) ISSU is primarily used to ensure maximum network availability with minimal downtime as a result of device maintenance or upgrade processes....

What Does Apple TV Mean? An Apple TV is a digital media adapter (DMA) developed and marketed by Apple. It is a network device that connects to a high-definition television (HDTV) or enhanced-definition television (EDTV) that is capable of 720 pixels 60/50 Hz. The Apple TV supports the streaming of various media derived from Netflix, YouTube, iTunes Store, Flickr, MobileMe, NBA League Pass and MLB.tv. It also streams iTunes data from computers using Windows or Mac OS X to their TV....

What Does Big Data Management Mean? Techopedia Explains Big Data Management Monitoring and ensuring the availability of all big data resources through a centralized interface/dashboard. Performing database maintenance for better results. Implementing and monitoring big data analytics, big data reporting and other similar solutions. Ensuring the efficient design and implementation of data life-cycle processes that deliver the hisghest quality results. Ensuring the security of big data repositories and control access. Using techniques such as data virtualization to reduce the volume of data and improve big data operations with faster access and less complexity....

What Does Data Encryption Standard (DES) Mean? The data encryption standard (DES) is a common standard for data encryption and a form of secret key cryptography (SKC), which uses only one key for encryption and decryption. Public key cryptography (PKC) uses two keys, i.e., one for encryption and one for decryption. Techopedia Explains Data Encryption Standard (DES) In 1972, the National Bureau of Standards (NBS) approached the Institute for Computer Sciences and Technology (ICST) to devise an encryption algorithm to secure stored and transmitted data....

What Does Enterprise Network Monitoring Mean? Enterprise network monitoring is the process of monitoring business networks. Techopedia Explains Enterprise Network Monitoring Enterprise network monitoring tools are made for the kinds of networks that businesses rely on to control valuable data sets related to operations. These tools look at various network metrics and present them in transparent ways for the purposes of network administration. They may also look at system availability and the correct configuration of firewalls and other security equipment....

Most programming languages and environments include comments, which may serve any of the following functions: A method of describing and simplifying a complex part of a project Offering more details about why code is written in a particular way, allowing developers to understand each other Allowing unconfirmed code to be temporarily omitted without deletion The last listed function is quite useful when unconfirmed code is verified and later turned into an essential part of the project....

What Does Inbound Filters Mean? Inbound filters are a type of software based traffic filter allowing only designated traffic to flow towards a network. Inbound filters are employed by routers to limit traffic towards a remote server. They specify rules and policies which govern a specific port, service, server or network. Inbound filters are implemented in network hardening, security planning to manage the traffic flow and allow only secure and trusted networks, hosts or autonomous systems to access the internal network....

What Does JavaScript Object Notation (JSON) Mean? JavaScript Object Notation (JSON) is an open standard data exchange format based on a JavaScript syntax subset. JSON is text-based, lightweight, and generally considered easily readable/writeable. Techopedia Explains JavaScript Object Notation (JSON) JSON is preferred by some over XML as a data exchange format because it is less verbose, works quickly, reduces data size and simplifies document processing. It is used extensively in web development, especially because it seamlessly transfers information between potentially incompatible technologies....

What Does JavaStation Mean? JavaStation is the name of a model line of network computers (NCs) built by Sun Microsystems between 1996 and 2000. The JavaStation NC was designed to run only on Java applications, and its hardware design was based on the Sun SPARCstation series, a Unix workstation. The JavaStation runs on the Java OS but can support Linux and NetBSD operating systems as well. Between 1996 and 1998, network computers were hailed as the next big thing in computing....

What Does Job Scheduling Mean? Job scheduling is the process of allocating system resources to many different tasks by an operating system (OS). The system handles prioritized job queues that are awaiting CPU time and it should determine which job to be taken from which queue and the amount of time to be allocated for the job. This type of scheduling makes sure that all jobs are carried out fairly and on time....

What Does Null Mean? Null, in a database context, is the total absence of a value in a certain field and means that the field value is unknown. Null is not the same as a zero value for a numerical field, text field or space value. Null implies that a database field value has not been stored. Techopedia Explains Null A null cannot be compared to a value. For example, if a query is directed to a Customer_Addresses table to retrieve all customers without email addresses, then the Structured Query Language (SQL) query cannot be written as follows: SELECT * FROM Customer_ Addresses WHERE Email_Address=null....

What Does Power Line Communications (PLC) Mean? Techopedia Explains Power Line Communications (PLC) One of the technologies must be used to keep the electric power distribution system transformers from preventing the modular signal from going beyond them. Additionally, power lines have limited ability to carry high frequencies. One technology is called E-Line. It allows the conductor to function as a waveguide, allowing radio frequency signals and full duplex communications at transmission rates of many Gbps....

What Does Star Topology Mean? Star topology is a network topology in which each network component is physically connected to a central node such as a router, hub or switch. Techopedia Explains Star Topology Star networks require a point-to-point connection between the central node and connecting devices. To improve communication between the devices on the network, the central node can provide signal reconditioning and amplification services.

What Does Android Ice Cream Sandwich (ICS) Mean? Ice Cream Sandwich (ICS) is a code name for the 4.0 version of the Android open source mobile operating system. The system debuted in November 2011 on the Samsung Galaxy Nexus smartphone. Ice Cream Sandwich follows a number of dessert-themed updates for Android, including Cupcake (v1.5), Donut (v1.6), Eclair (v2.0), FroYo (v2.2), Gingerbread (v2.3) and Honeycomb (v3.0). Ice Cream Sandwich is designed to unify the functionalities of Android’s previous mobile operating system (Gingerbread) with Honeycom, its tablet OS....

No matter if you play Guilty Gear Strive or not you must have heard of the popular Jack-O pose. You might not know the character but there is a good chance you must have seen some posts of people or characters from other games in a peculiar pose with the jack-o challenge in the caption. And if you wonder where it originates from that is where this guide comes in. So here is everything you should know about what the Jack-O Pose is from Guilty Gear Strive (GGST)....

What Does Turbo C Mean? Turbo C was an integrated development environment (IDE) for programming in the C language. It was developed by Borland and first introduced in 1987. At the time, Turbo C was known for its compact size, comprehensive manual, fast compile speed and low price. It had many similarities to an earlier Borland product, Turbo Pascal, such as an IDE, a low price and a fast compiler, but was not as successful because of competition in the C compiler market....

What Does Virtual Network Computing (VNC) Mean? A virtual network computing (VNC) is a graphical desktop-sharing application that uses remote frame buffer protocol to remotely control another computer. This form of desktop sharing transmits keyboard and mouse events from one system to another over the network based on screen updates. Techopedia Explains Virtual Network Computing (VNC) Virtual network computing is a platform-independent remote desktop sharing application where the desktop display of one computer is remotely viewed and controlled over a network connection....