Interview Questions

ConstKeyword indicates that memory once initialized, should not be altered by a program.
Volatile keyword indicates that the value in the memory location can be altered even though nothing in the program.
Mutable keyword indicates that particular member of a structure or class can be altered even if a particular structure variable, class, or class member function is constant.

WDM is conceptually the same as FDM, except that the multiplexing and demultiplexing  involve light signals transmitted through fiber optics channel.

Financial statements can be prepared from the Adjusted trial balance. A trial balance is a report containing list of all the general ledger accounts i.e, debits and credits contained in the ledger of a business. The types of trial balance include : Unadjusted trial balance, Adjusted trial balance and the Post- closing trial balance.

At the time of updating the data warehouse, a lookup table is used. When placed on the fact table or warehouse based upon the primary key of the target, the update is takes place only by allowing new records or updated records depending upon the condition of lookup.

The materialized views are aggregate tables. It contains summarized data. For example, to generate sales reports on weekly or monthly or yearly basis instead of daily basis of an application, the date values are aggregated into week values, week values are aggregated into month values and month values into year values. To perform this process aggregate function is used.

netstat -n  (on Dos prompt)

a.Direct interaction with customers: The retailer acts as the final link between the organisation and its customer. The retailer knows his customer better than anyone. He even suggests the customer what to purchase and allows him credit facilities to encourage frequent buying behaviour in the customer.

b.Small purchases: The customer purchases goods in small lots from the retail stores. So there are frequent visits to the retail store by the customer.

c.Instrument of marketing communication: via which information about the product is disseminated to the needy customers

SIP is Systematic Investment Plan.