Download CompTIA Server Plus Study Guide by Brad Hryhoruk PDF

By Brad Hryhoruk

Server+ is among the latest certifications from CompTIA, the sponsor of such vendor-neutral IT certifications as A+ and Network+. Server+ is located along community+ as a follow-up to A+ certification. The Server+ examination makes a speciality of community whereas the community+ examination specializes in community software program. The Server+ examination certifies the data of mid- to upper-level technicians with 18-24 months of sturdy IT adventure utilizing performance, together with server set up, troubleshooting, help, and moment point help.

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Scalability Most computers serve only a single master, in that the user working locally on the machine is the only one giving orders. The user may run one application, or a number of them, but the amount of computer power a single user needs is relatively limited, especially as we enter the world of multi-gigahertz processing on the desktop. Because only one user is expected to be using the OS at a time, a normal OS is intended for use on machines with limited resources. Windows 98, for instance, cannot recognize or use more than one processor.

It is where any servers that need to be exposed to the Web should be housed. In this case, a web server is sitting in the DMZ, and a server running firewall software protects the intranet. Any requests sent to the web server—including malicious DoS (denial of service) attacks or Internet worms—will be able to reach that server unhindered. The same requests or attacks directed toward the internal network, though, will be intercepted by the firewall, which will be configured to allow only particular information through.

Being able to receive and send requests quickly can be facilitated by multiple network cards, or even by locating the directory server in a central part of the network. Also, encryption technologies can be heavily processor intensive, and so servers with enhanced authentication schemes may require additional processor power. Networking Roles Security work is the glamour job in the server world, and Active Directory and Kerberos (a network security system, developed at MIT, which verifies that a user is legitimate at login) seem to get all the attention in the trade rags.

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