Question 1

What is TELNET?

Accepted Answer

TELNET is a client-server application that allows a user to log on to a remote machine, giving the user access to the remote system TELNET is an abbreviation of terminal Network

Question 2

What is the way in which the Asynchronous Transfer Mode works?

Accepted Answer

The Asynchronous Transfer Mode or ATM is a connection technology that works by transmitting data into organized 53 bytes (small) packages through a physical environment with a high efficiency Packing data into small cells reduces transportation delay so the speeds reached by this technology are very high; it can reach even 10 Gb per second

Question 3

Compare Error Detection and Error Correction:

Accepted Answer

The correction of errors is more difficult than the detection In error detection, checks only any error has occurred In error correction, the exact number of bits that are corrupted and location in the message are known The number of the errors and the size of the message are important factors

Question 4

What do you meant by "triple X" in Networks?

Accepted Answer

The function of PAD (Packet Assembler Disassembler) is described in a document known as X3 The standard protocol has been defined between the terminal and the PAD, called X28; another standard protocol exists between hte PAD and the network, called X29

Question 5

Which of the following identifies broadband internet connections?

Accepted Answer

Internet Service Provider (ISP) is a company offering access to internet. They offer various services: 1. Internet Access 2. Domain name registration 3. Dial-up access 4. Leased line access There exist several ways to connect to the internet. Following are these connection types available: * Dial-up Connection * ISDN * DSL * Cable TV Internet connections * Satellite Internet connections * Wireless Internet Connections

Question 6

Which of the following topologies has the highest reliability?

Accepted Answer

In the mesh topology, each computer is connected to the other with a separate physical link in a network. It is most reliable topology as the network does not get down in case one of the nodes is failed.

Question 7

Give the sequence of execution of the various report triggers?

Accepted Answer

Before form , After form , Before report, Between page, After report

Question 8

What is the difference between BRD, SRS and Use Case documents?

Accepted Answer

BRD - Business Requirement document is consist of functional Business Requirements, Gap Analysis (between current and future scenarios), In scope and Out of scope of the project, Business rules, Assumptions, Risk etc SRS - Source Requirement Specification is consist of Use cases, Use Case Scenarios, Activity flow diagram, Non functional Business Requirements Use cases - are the pictorial representation of user centric view of the system

Question 9

Which of these phrases best describes the business cycle?

Accepted Answer

A recurring cycle of booms and busts, recoveries and recessions

Question 10

What is the differences between ABAP and OOABAP. In which situation we use OOABAP?

Accepted Answer

OOABAP is used to develop BSP/PCUI applications and also anthing involved object oriented like BADIs, SmartFormsetcwhere as ABAP is used to develop traditional programs in R/3

Question 11

What are the activities we will do in SAP MM module implementation?

Accepted Answer

Various activities in SAP MM are : Inventory, Warehouse, Purchasing, Vendor evolution, Invoice varification, etc

Question 12

Describe the foreign key columns in fact table and dimension table.

Accepted Answer

The primary keys of entity tables are the foreign keys of dimension tables The Primary keys of fact dimensional table are the foreign keys of fact tablels

Question 13

What is DataStage?

Accepted Answer

- A tool for designing Extraction, Transformation and Loading - An ideal tool for data integration projects system migrations - Importing, extracting and creating metadata are within these jobs - Data stage allows scheduling, monitoring and running the jobs - Allows to administer the development and execution in a single environment

Question 14

What are the components of DataStage?

Accepted Answer

Datastage has two components -Client Components – Designer, Director, Manager and Administrator -Server Components – Server, Repository and Plug-ins

Question 15

How do you generate Sequence number in Datastage?

Accepted Answer

Sequence numbers can be generated in Datastage using certain routines They are -KeyMgtGetNextVal -KeyMgtGetNextValConn

Question 16

How to perform incremental load in DataStage?

Accepted Answer

-Daily loading is known as incremental load -When data is selected from source, selected records are loaded between timestamp of last load and the current time -The parameter that are passed to perform are last loaded date and current date -The first parameter is the stored last run date is read through job parameters -The second parameter is the current date

Question 17

What is the difference between operational data stage (ODS) and data warehouse?

Accepted Answer

Data warehouse - It is a decision support database system for the purpose of organizational needs -It is non volatile, integrated and time variant collection of data Operational Data Stage - It is an integrated collection of information -It can contain 90 days of information at maximum -ODS supports dynamic data

Question 18

Which of the following is not a function of a Warehouse?

Accepted Answer

Ensuring Profit

Question 19

Difference between ActiveX Exe and Dll ?

Accepted Answer

ActiveX DLL: It is an in process server It runs within the application time ActiveX Exe: It is an out of process server MS-Excel is an activex exe when u call the excel from the vb application u can in the task manager an excel exe will run, whereas for dll u can't see like that

Question 20

With a heredoc syntax, do I get variable substitution inside the heredoc contents?

Accepted Answer

Yes

Technology Questions