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TELNET
POP3
Infrared
Correct Answer :
B. TELNET
Related Questions
Which of the following is also known as Offline storage ?
primary storage
secondary storage
tertiary storage
none of the above
Authorization command in SQL
Allow
Access
Grant
none of the above
What is the max data capacity of STP?
1 Gbps
56 Mbps
100 Mbps
256 Mbps
Transaction access data using two operations
read(), print()
read(), write()
scan(), write()
none of the above
The types of noiseless channels are
i) Selective Reject ARQ
ii) simplest protocol
iii) Go-Back-N ARQ
iv) Stop-and-Wait Protocol
i, ii only
ii and iv only
ii and iv only
i, iv only
In two-phase locking protocol the two phases are
growing phase and shrinking phase
execution phase and blocking phase.
running phase and sleeping phase.
none of the above
Which of the following works as a filter?
UPDATE
DROP
ALTER
SELECT
Which of the following is not an Aggregate function?
Min
Max
Select
Avg
In ………… paging we make copy of the current page table.
physical
logical
shadow
duplicate
Which one of the following statements is false?
The data dictionary is normally maintained by the database administrator.
Data elements in the database can be modified by changing the data dictionary.
The data dictionary contains the name and description of each data element.
The data dictionary is a tool used exclusively by the database administrator.
A …………… is a memory area where data are processed.
view
trigger
cursor
none of the above
Which of the following is a classical approach to database design?
Left Right approach
Right Left approach
Top Down approach
Bottom Up approach
Which of the following is the unit of signaling speed or modulation rate or the rate of symbol transmission?
Data rate
Bit rate
Signal to Noise Ratio
Baud rate
Symbol to represent weak entity set in ER Model
Dotted rectangle
Square
Doubly outlined rectangle
Diamond
The maximum number of children in a B-tree of order m is
m+1
m
m-1
m/2
Database locking concept is used to solve the problem of
Lost Update
Uncommitted Dependency
Inconsistent Data
All of the above
A transaction which completes successfully is called
Granted
Committed
Compensated
Accomplished
Unwanted energy from source other than the transmitter.
Attenuation
Distortion
Delay
Noise
Which of the following are the properties of entities?
Groups
Table
Attributes
Switchboards
Object based data models are used in describing the abstraction of the following levels?
Conceptual and view
Only physical
Physical and conceptual
Only conceptual
Query processing is
converting data to insert in a database
translation of query to lower form
range of activities involved in extracting data from a database
none of the above
Triggers are also called
active rules
passive rules
inferences
none of the above
Thermal noise is often referred to as ............... noise, because it affects uniformly the different frequencies.
Gray
White
Blue
Black
What does the number of attributes in a relation is called?
Cardinality
Degree
Tuple
Order
Which of the following is not proper state of transaction ?
Partially aborted
Partially committed
Aborted
Committed
The language used in application programs to request data from the DBMS is referred to as the
DML
DDL
VDL
SDL
The ability to modify the conceptual schema without causing any change to the application program is known as
Physical data independence
Logical data independence
External data independence
Static data
Secondary storage
magnetic disk
magnetic tape
juke box
cache
QBE
Query By Execution
Query By Example
Query By Extraction
None of the above.
which of the following is a binary operation?
project
select
rename
none of the above