Legal Metrology • Paper-III
Which of the following risk is the failure of a purchased component to perform as expected?
A)
Product risk
B)
Project risk
C)
Business risk
D)
Programming risk
Correct option: A — Product risk. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
In __________ TDM, slots are dynamically allocated to improve bandwidth efficiency.
A)
synchronous
B)
statistical
C)
isochronous
D)
asynchronous
A 7-bit PCM stream at 10 kHz has 70 kb/s bit rate; the corresponding baseband bandwidth is about 35 kHz for ideal Nyquist signaling.
Legal Metrology • Paper-III
Which one of the following is a requirement that fits in a developer’s module ?
A)
Availability
B)
Testability
C)
Usability
D)
Flexibility
Correct option: B — Testability. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
How many bits are there in the Ethernet address?
A)
64 bits
B)
32 bits
C)
16 bits
D)
8 bits
A standard Ethernet MAC address contains 48 bits.
Legal Metrology • Paper-III
When collection of various computers seems a single coherent system to its client, then it is called
A)
computer network
B)
distributed system
C)
networking system
D)
none of these
Correct option: B — distributed system. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Two devices are in network if
A)
a process in one device is able to exchange information with a process in another device
B)
a process is running on both devices
C)
PIDs of the processes running of different devices are same
D)
none of these
Correct option: A — a process in one device is able to exchange information with a process in another device. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
A top to bottom relationship among the items in a database is established by a:
A)
Hierarchical Schema
B)
Relational Schema
C)
Network Schema
D)
Distributed Schema
Correct option: A — Hierarchical Schema. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Application layer is implemented in
A)
End system
B)
NIC
C)
Ethernet
D)
None of these
The application layer exists at end systems, not inside the physical network.
Legal Metrology • Paper-III
Which chart is a tool that depicts project as network diagram that is capable of graphically representing main events of project in both parallel and consecutive way?
A)
PERT chart
B)
Gantt chart
C)
Pie Chart
D)
Bar Chart
Correct option: A — PERT chart. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Which of the following is not defined in a good Software Requirement Specification (SRS) document?
A)
Functional Requirement
B)
Nonfunctional Requirement
C)
Goals of implementation
D)
Algorithm for software implementation
Correct option: D — Algorithm for software implementation. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Which error detection method consists of just one redundant bit per data unit?
A)
CRC
B)
Checksum
C)
Simple parity check
D)
Two-dimensional parity check
Correct option: C — Simple parity check. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
What are attributes of good software?
A)
Software maintainability
B)
Software functionality
C)
Software development
D)
Software maintainability & functionality
Correct option: D — Software maintainability & functionality. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
The physical layer translates logical communication requests from the __________ into hardware specific operations.
A)
data link layer
B)
network layer
C)
trasnport layer
D)
application layer
Correct option: A — data link layer. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Checking quality of software in both simulated and live environments is known as
A)
Validity
B)
Usability
C)
Checking
D)
Validation
Correct option: D — Validation. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
If transaction T gets an explicit lock on the file F in exclusive mode, then it has an __________ on all the records belonging to that file.
A)
Explicit lock in exclusive mode
B)
Implicit lock in shared mode
C)
Explicit lock in shared mode
D)
Implicit lock in exclusive mode
Correct option: D — Implicit lock in exclusive mode. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
DBMS periodically suspends all processing and synchronizes its files and journals through the use of
A)
Checkpoint facility
B)
Backup facility
C)
Recovery manager
D)
Database change log
Correct option: A — Checkpoint facility. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Typically the TCP port used by SMTP is
A)
25
B)
35
C)
50
D)
15
SMTP traditionally uses TCP port 25.
Legal Metrology • Paper-III
Which is the most important feature of spiral model?
A)
Quality management
B)
Risk management
C)
Performance management
D)
Efficiency management
Correct option: B — Risk management. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
A __________ integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.
A)
Referential
B)
Referencing
C)
Specific
D)
Primary
Correct option: A — Referential. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Which of the following deletes all tuples in the instructor relation for those instructors associated with a department located in the MilleniumCenter building which is in department relation.
A)
DELETE FROM instructor WHERE dept_name IN ‘ MilleniumCenter ‘;
B)
DELETE FROM department WHERE building=’ MilleniumCenter ‘;
C)
DELETE FROM instructor WHERE dept_name IN (SELECT dept name FROM department WHERE building = ’ MilleniumCenter’);
D)
None of these
The delete uses a subquery to identify departments located in the specified building, then removes matching instructors.
Legal Metrology • Paper-III
If every requirement can be checked by a cost-effective process, then the SRS is __________ .
A)
Verifiable
B)
Traceable
C)
Modifiable
D)
Complete
Correct option: A — Verifiable. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Which operating mode of telnet is full duplex?
A)
default mode
B)
server mode
C)
line mode
D)
client mode
Correct option: A — default mode. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Which one of the following is used to define the structure of the relation ,deleting relations and relating schemas?
A)
DML(Data Manipulation Langauge)
B)
DDL(Data Definition Langauge)
C)
Query
D)
Relational Schema
Schema is the database's logical structure; an instance is the data snapshot at a particular time.
Legal Metrology • Paper-III
In Design phase, which is the primary area of concern?
A)
Architecture
B)
Data
C)
Interface
D)
All of these
Correct option: D — All of these. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Selection of a model is based on
A)
Requirements
B)
Development team & Users
C)
Project type and associated risk
D)
All of these
Correct option: D — All of these. This matches the standard definition/result for the stated question.
