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28 Cards in this Set
- Front
- Back
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What is the height of 1U?
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1.75 inches
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How many U are in a full rack?
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42
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Can racks be moved with servers mounted in them?
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No. Racks should be empty when moved.
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What are the three types of multi-tier servers?
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front-end
mid-tier back-end |
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What are the three types of servers?
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general purpose servers
appliance servers application servers |
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What is the role of a general purpose server?
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To provide a wide variety of services. Often used in small businesses.
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What is the role of an appliance server?
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To provide a single service. Field Replaceable Unit (FRU)
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What is the role of an application server?
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To run programs accessed by multiple users.
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What are the types of application server?
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dedicated application server
distributed application server peer-to-peer application server |
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What is the role of a dedicated application server?
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To serve the needs of the PCs within a network (i.e. print server).
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What is the role of a Distributed Application Server?
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To provide applications for specific end users (i.e. mail server).
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What is the role of a Peer-to-peer Application Server?
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To provide sharing of computer goods and services by directly exchanging information between users (i.e. Napster)
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What is the role of an Anonymous Proxy Server?
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To provide proxy services while hiding the IP information of the client PCs. (i.e. NAT)
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Define Reverse Proxy Cache
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When a proxy server acts as the original server from which the client requests data.
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Define Forward Proxy Cache
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When a proxy server forwards requests through the cache to the original server.
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Define Simple Network Management Protocol (SNMP)
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Internet standard protocol to manage IP network servers, workstations, routers, switches and hubs.
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What is a Bounce Attack?
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Misuse of the FTP PORT command to gain access to ports on other machines.
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Define Hammering
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The repeated attempt to connect with an unavailable FTP server without permitting a normal delay between attempts. Overloads the FTP server causing it to deny all requests.
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What is an SNA Server?
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Allows client access to mainframe (IBM) and mid-range data facilities. Succeeded by Host Integration Server (HIS) 2000.
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What is a NAS Server?
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Network Attached Storage. Better scalability than SAN.
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What is a SAN Server?
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Storage Area Network. A fiber network designed to consolidate all server storage into a single large array of disks.
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What is a RAS Server?
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Remote Access Server. Allowing a client to dial in.
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What is a WINS Server?
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Windows Internet Naming Space. Maps NETBIOS names to IP addresses.
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What is a DHCP Server?
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Dynamic Host Control Protocol. Temporarily assigns dynamic IP addresses to network devices.
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What is a Front-End Server?
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Hosts services on the leading edge of a network. Field replaceable. (Similar to appliance servers. Mail servers, proxy servers, firewalls, web servers)
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What is a Mid-Tier Server?
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Used to process and relay information between front-end and back and servers (similar to a general purpose servers)
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What is a Back-End Server?
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Large expensive units used to store vast volumes of data in archive and data farms.
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What is a Data Warehouse?
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A computer storage system containing a wide variety of data (aka data farm)
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