Blog

Ans : Various approaches are available for development of Information Systems. They are: • Model Driven: It emphasizes the drawing of pictorial system models to documentand validate both existing and/or proposed systems. Ultimately, the system modelbecomes the blueprint for designing Read More …

Ans : Systems may be classified as follows:a) Formal or Informalb) Physical or Abstractc) Open or Closedd) Manual or Automated. a) A Formal System is one that is planned in advance and is used according toschedule. In this system policies Read More …

Ans : When protocols are implemented for computer communication, we encounter somechallenges due to the infrastructure and machines used in computer network may not becompatible and aligned with one another. The concept of Internetworking though, highlydesirable, is not easily achievable. Read More …

Ans : Analog Digital Signals are records waveforms as they are.Signal occupies the same order of spectrum asthe analog data. Converts analog waveforms into set of numbersand records them. The numbers are convertedinto voltage stream for representation. In case ofbinary Read More …

Ans : The Dynamic Domain Name System (DDNS) is a protocol that defines extensions tothe DNS in order to enable the DNS servers to accept the requests to add, update anddelete entries in the DNS database dynamically. Because DDNS offers Read More …

Ans : The concept of mapping a domain name to an IP address and vice-versa is known asresolution process. The resolution process is basically a client server platform.Whenever a user needs to map an address to a domain or vice-versa, Read More …

Ans : The hierarchical system of domain names in Internet has been broadly classified intothree categories: Generic domain names Country based domain names Inverse domains The three-character top-level names are called the generic domains or theorganizational domains. The generic domain Read More …

Ans : The following is the step by step procedure to configure a Samba Server Server IP address is xxx.xxx.0.254 and machine name is Server1 Windows machine IP address is xxx.xxx.0.2 and machine name is client2 Firewall Should be disabled. Read More …

Ans : smb.conf is the main Samba configuration file. You find a full commented version at /usr/share/doc/packages/samba/examples/smb.conf.SUSE if the samba-doc package is installed. Date: 2008-05-28[global]workgroup = WORKGROUPprinting = cupsprintcap name = cupsprintcap cache time = 750cups options = rawmap to Read More …

Ans : Configuring an NFS server is straightforward: Use the chkconfig command to configure the required nfs and RPC rpcbind daemonsto start at boot and also activate NFS file locking to reduce the risk of corrupted data.The following is the Read More …