Legal Metrology • Paper-III
The number of layers in Internet protocol stack
A)
5
B)
7
C)
6
D)
None of these
A protocol stack is the ordered set of protocols, one for each networking layer.
Legal Metrology • Paper-III
The Hamming distance between equal code words is __________.
A)
0
B)
1
C)
n
D)
2n
Correct option: A — 0. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Which of the following is used to insert a tuple from another relation.
A)
INSERT INTO course (courseid, title, deptname, credits) VALUES (’CS-437’, ’DATABASESystems’, ’CompSci.’, 4);
B)
INSERT INTO instructor SELECT ID, name, deptname, 18000 FROM student WHERE deptname = ’Music’ AND totcred > 144;
C)
INSERT INTO course VALUES (’CS-437’, ’DATABASESystems’, ’CompSci.’, 4);
D)
None of these
Correct option: B — INSERT INTO instructor SELECT ID, name, deptname, 18000 FROM student WHERE deptname = ’Music’ AND totcred > 144;. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
An attribute A of datatype varchar(20) has the value “Avi”. The attribute B of datatype char(20) has value “Reed” .Here attribute A has __________ spaces and attribute B has __________ spaces.
A)
3, 20
B)
20, 4
C)
20 , 20
D)
3, 4
VARCHAR stores only the actual characters; CHAR is fixed-width and pads to the declared length.
Legal Metrology • Paper-III
FTP uses __________ parallel TCP connections to transfer a file
A)
1
B)
2
C)
3
D)
4
FTP uses one control connection plus one data connection during ordinary transfer, i.e. two TCP connections.
Legal Metrology • Paper-III
A attribute in a relation is a foreign key if the __________ key from one relation is used as an attribute in that relation.
A)
Candidate
B)
Primary
C)
Super
D)
Sub
A foreign key references a primary key (or candidate key) in another relation.
Legal Metrology • Paper-III
Communication channel is shared by all the machines on the network in
A)
broadcast network
B)
unicast network
C)
multicast network
D)
none of these
Correct option: A — broadcast network. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
A list of protocols used by a system, one protocol per layer, is called
A)
protocol architecture
B)
protocol stack
C)
protocol suit
D)
none of these
Correct option: B — protocol stack. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
A set of rules that governs data communication
A)
Protocols
B)
Standards
C)
RFCs
D)
None of these
The information to be communicated is called the message.
Legal Metrology • Paper-III
The attribute AGE is calculated from DATE_OF_BIRTH . The attribute AGE is
A)
Single valued
B)
Multi valued
C)
Composite
D)
Derived
Correct option: D — Derived. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
The physical layer concerns with
A)
bit-by-bit delivery
B)
process to process delivery
C)
application to application delivery
D)
none of these
Correct option: A — bit-by-bit delivery. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Architectural Design Metrics are __________ in nature.
A)
Black Box
B)
White Box
C)
Gray Box
D)
Green Box
Correct option: A — Black Box. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Which one of the following is not a software process quality?
A)
Productivity
B)
Portability
C)
Timeliness
D)
Visibility
Correct option: B — Portability. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
The amount of time that the software is available for use is known as
A)
Reliability
B)
Usability
C)
Efficiency
D)
Functionality
Correct option: A — Reliability. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
In OSI network architecture, the routing is performed by
A)
session layer
B)
application layer
C)
Network layer
D)
Transport layer
A router forwards packets between networks using routing information.
Legal Metrology • Paper-III
Which of the following is not a characteristic common to all design methods?
A)
configuration management
B)
functional component
C)
notation quality assessment
D)
guidelines refinement heuristics
Correct option: B — functional component. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
The model in which the requirements are implemented by its category is __________ .
A)
Evolutionary Development Model
B)
Waterfall Model
C)
Prototyping
D)
Iterative Enhancement Model
Correct option: A — Evolutionary Development Model. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Identify the disadvantage of Spiral Model.
A)
Doesn’t work well for smaller projects
B)
High amount of risk analysis
C)
Strong approval and documentation control
D)
Additional Functionality can be added at a later date
Correct option: A — Doesn’t work well for smaller projects. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Suppose relation R(A,B,C,D,E) has the following functional dependencies: A B, B C, BC AA, A D, E AA, D E. Which of the following is not a key?
A)
A
B)
E
C)
B,C
D)
D
Correct option: C — B,C. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-II
To access the services of operating system, the interface is provided by the :
A)
System calls
B)
API
C)
Library
D)
Assembly instructions
Based on established principles in Basic Computer Knowledge, the correct and most appropriate choice is 'Library' (Option C).
Legal Metrology • Paper-II
Which of the following statements regarding inline functions is correct?
A)
Speed up execution
B)
Slow down Execution
C)
Decrease the code size
D)
increase context switch
Based on established principles in Computer Science & Engineering, the correct and most appropriate choice is 'Speed up execution' (Option A).
Legal Metrology • Paper-II
___________ as the most commonly used boundary presentation for a 3-D graphics object
A)
Data polygon
B)
Surface polygon
C)
System polygon
D)
None of these
Based on established principles in Computer Science & Engineering, the correct and most appropriate choice is 'Surface polygon' (Option B).
Legal Metrology • Paper-II
In a polygon, if a line joining any of its two interior points lies completely within it are called :
A)
convex polygon
B)
concave Polygon
C)
Regular Polygon
D)
Uniform Polygon
Based on established principles in Computer Science & Engineering, the correct and most appropriate choice is 'concave Polygon' (Option B).
Legal Metrology • Paper-II
By operating system, the resource management can be done via :
A)
time division multiplexing
B)
space division multiplexing
C)
both time and space division multiplexing
D)
none of these
Based on established principles in Basic Computer Knowledge, the correct and most appropriate choice is 'both time and space division multiplexing' (Option C).
Legal Metrology • Paper-II
If the slope magnitude is 1, then circles, ellipse and other curves will appear :
A)
Thick
B)
Thinnest
C)
Big
D)
Rough
Correct option: B — Thinnest. This matches the standard definition/result for the stated question.
