vitamin D Protects us from injury and damage Sensation and communication via nerve endings and receptors in the skin Elimination of waste through excretion and secretion of sweat etc. (Harris‚ 2010‚ p. 757) 3. Name the three layers of the skin and give a brief description of each layer. Epidermis- the outermost layer which depending on the body location has several layers. The stratum coreum which is thinnest outermost layer consisting of dead keratinized cells protect underlying cells
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State security basically entails the tendency of a nation adhering to its own set of demands in regard to the issue of security policies (Baylis‚ J.2010‚ p.233).Traditional security also involves a host of other aspects that are defined by virtue of subordination. Describing the matter further reveals that state security is primarily the protection of available institutions‚ ethics or values within a nation‚ and above all human beings living inside its boundaries (Brauch‚ 2003‚ 204). State security
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BARRIERS TO EFFECTIVE COMMUNICATION No matter how good the communication system in an organisation is‚ unfortunately barriers can and do often occur. This may be caused by a number of factors which can usually be summarised as being due to physical barriers‚ system design faults or additional barriers. Physical barriers are often due to the nature of the environment. Thus‚ for example‚ the natural barrier which exists‚ if staff are located in different buildings or on different sites. Likewise
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• A server is a computer that is a meant to be a dedicated service provider‚ and a client is a computer that requests services. • Before selecting the hardware and software components of a server‚ you should identify the server roles and network services that the server will need to provide and how many people will be accessing the server at once to help determine the load the server needs to fulfill. • The primary subsystems that make up a server are processor‚ memory‚ storage‚ and network
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been widely addressed with the many problems that we are having in our environment today. A major problem is that of CFCs. CFC stands for Chlorofluorocarbons which are found in many of the aerosol spray cans. In December of 1973‚ Rowland and Molina discovered that CFCs can destroy The Ozone Layer Ozone layer depletion slows There is good news about the ozone layer above us. The good news about the ozone layer is not always frequent. On International Ozone Day‚ the report came in that
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of Windows Server 2008 Server Core and Virtual Servers Benefits Windows Server Core offers a number of benefits‚ regardless of its intended use reduced maintenance. By default‚ a Windows Server Core system has very few binaries installed. When a role is added‚ only the components that are necessary for the role are installed. The binaries are still present on the system‚ which allows for those components to be updated during normal patch cycles. No longer will your Windows Servers need updates
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upgrade from Windows Server 2003‚ Datacenter Edition to Windows Server 2008 Standard Edition‚ but the Setup program won’t allow the upgrade. Which of the following is the problem? a. Active Directory is set up on the network‚ but needs to be configured to identify this computer as running Windows Server 2008 Standard Edition.M b. The Datacenter Edition had only a three-year license‚ and it has expired. C. Windows Server 2003‚ Datacenter Edition cannot be upgraded to Windows Server 2008 Standard
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Data Security in Tableau There are 4 main components of data security in Tableau Server: 1. Authentication 2. Authorization and Permissions. 3. Data Security. 4. Network Security. 1. Authentication: This feature in tableau is enabled while doing the installation of tableau server. There will be two options of authentications available in Tableau server‚ they are: 1. Use Active Directory 2. Use Local authentication At corporate level‚ it is suggested and best practice to use Active Directory (as
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build client servers without any manual work using PXE boot. Server setup. For the cobbler server basic requirement is you need two NIC cards if you want to use it for DHCP as well. Why do i need two NIC cards because it allow client servers to initially boot up in the private network where Cobbler will handle the installation. Since Cobbler utilizes DHCP and TFTP‚ making these services listen on a Private network will ensure that they don’t interfere with any other DHCP or TFTP server on the
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facility used to house server systems and associated components‚ such as telecommunications and storage systems. It also includes redundant or backup power supplies‚ redundant data communications connections‚ environmental controls (e.g.‚ air conditioning‚ fire suppression) and security devices. 1. Structured cabling and server room build up Structured cabling design and installation is governed by a set of standards that specify wiring data centers for data or voice communications using various kinds
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