Interview Questions

- Online backup is one which is taken at the time the database is running in the ARCHIVELOG mode.

- Following files should be backed up during the Offline Backup: All data file, all control file and all online redo log file. But in the case of the online backup following files is backed up: All data files all archived redo log files and one control file via the alter database command.

- Offline database we cannot rely upon but in case of online database no issues.

- Offline backup no archived mode is required but in the online backup it is must.

Marshalling is the process of packaging and sending interface method parameters across thread, process or machine boundaries.

It is not necessary when the client and the server are on the same computer.

Scope resolution operator allows a program to reference an identifier in the global scope that is hidden by another identifier with the same name in the local scope.

An IP address (internet protocol address) is a numerical representation that uniquely identifies a specific interface on the network. Addresses in IPv4 are 32-bits long. This allows for a maximum of 4,294,967,296 (2^32) unique addresses. Addresses in IPv6 are 128-bits, which allows for 3.4 x 1038 (2^128) unique addresses.

IP addresses available to the internet are classified as Public.

Most modern banking systems are based on Fractional reserves.

Fractional-reserve banking is the practice whereby a bank accepts deposits, makes loans or investments, but is required to hold reserves equal to only a fraction of its deposit liabilities. Reserves are held as currency in the bank, or as balances in the bank's accounts at the central bank.

1. In a fractional reserve banking system banks can create money through the lending process.

2. A fractional reserve banking system is susceptible to bank panics.

3. Bank panics are a risk of fractional reserve banking, but are unlikely when banks are highly regulated and lend prudently.

Data binding is an automatic synchronization of data between model and view components. ng-model directive is used in Data binding.

Disinvestment is the action of an organization or government selling or liquidating an asset or subsidiary.

Public relations includes promotional activities that work to create a strong public image of the company. Public relations activities include helping the public to understand the company and its products. Public relations if done right can reach a large audience without the expensive cost of traditional advertising and marketing.