Explore topic-wise MCQs in Operating System.

This section includes 87 Mcqs, each offering curated multiple-choice questions to sharpen your Operating System knowledge and support exam preparation. Choose a topic below to get started.

51.

Reflector antenna operates on the Geometric optics principle?

A. True
B. False
Answer» B. False
52.

Which of the following refers to the pattern of reflector in the reflector antenna?

A. Primary pattern
B. Secondary pattern
C. Reflector pattern
D. Feed pattern
Answer» C. Reflector pattern
53.

With ________ MongoDB supports a complete backup solution and full deployment monitoring.

A. MMS
B. AMS
C. CMS
D. DMS
Answer» B. AMS
54.

Dynamic schema in MongoDB makes ____________ easier for applications.

A. inheritance
B. polymorphism
C. encapsulation
D. none of the mentioned
Answer» C. encapsulation
55.

MongoDB is a _________ database that provides high performance, high availability, and easy scalability.

A. graph
B. key value
C. document
D. all of the mentioned
Answer» D. all of the mentioned
56.

MongoDB has been adopted as ________ software by a number of major websites and services.

A. frontend
B. backend
C. proprietary
D. all of the mentioned
Answer» C. proprietary
57.

Initial release of MongoDB was in the year?

A. 2000
B. 2005
C. 2009
D. 2011
Answer» D. 2011
58.

Which of the following format is supported by MongoDB?

A. SQL
B. XML
C. BSON
D. All of the mentioned
Answer» D. All of the mentioned
59.

Which of the following language is MongoDB written in?

A. Javascript
B. C
C. C++
D. All of the mentioned
Answer» E.
60.

COMMAND_LINES_ENTERED_AT_THE_CONSOLE_ARE_LIMITED_TO_ABOUT__________BYTES.?$

A. 3000
B. 4095
C. 5000
D. None of the mentioned
Answer» C. 5000
61.

THE_OS_X_HAS_____________?$

A. monolithic kernel
B. hybrid kernel
C. microkernel
D. monolithic kernel with modules
Answer» C. microkernel
62.

DYNAMIC_SCHEMA_IN_MONGODB_MAKES______________EASIER_FOR_APPLICATIONS.?$

A. inheritance
B. polymorphism
C. encapsulation
D. none of the mentioned
Answer» C. encapsulation
63.

WHICH_OF_THE_FOLLOWING_IS_CHARACTERISTIC_OF_PROCESSED_DATA_??$

A. Data is not ready for analysis
B. All steps should be noted
C. Hard to use for data analysis
D. None of the mentioned
Answer» C. Hard to use for data analysis
64.

NETWORK_CONGESTION_OCCURS?$

A. in case of traffic overloading
B. when a system terminates
C. when connection between two nodes terminates
D. none of the mentioned
Answer» B. when a system terminates
65.

A_SET_OF_RULES_THAT_GOVERNS_DATA_COMMUNICATION?$

A. Protocols
B. Standards
C. RFCs
D. None of the mentioned
Answer» B. Standards
66.

With__________MongoDB_supports_a_complete_backup_solution_and_full_deployment_monitoring.$

A. MMS
B. AMS
C. CMS
D. DMS
Answer» B. AMS
67.

Raw_data_should_be_processed_only_one_time.$

A. True
B. False
Answer» C.
68.

Which_one_of_the_following_extends_a_private_network_across_public_networks?$

A. local area network
B. virtual private network
C. enterprise private network
D. storage area network
Answer» C. enterprise private network
69.

Three_or_more_devices_share_a_link_in__________connection$

A. Unipoint
B. Multipoint
C. Point to point
D. None of the mentioned
Answer» C. Point to point
70.

If a command is not complete at the end of a line, R will give a different prompt, by default it is ?

A. *
B. –
C. +
D. All of the mentioned
Answer» C. +
71.

MongoDB is a _________ database that provides high performance, high availability, and easy scalability?

A. graph
B. key value
C. document
D. all of the mentioned
Answer» D. all of the mentioned
72.

Which of the following is key characteristic of hacker ?

A. Afraid to say they don’t know the answer
B. Willing to find answers on their own
C. Not Willing to find answers on their own
D. All of the mentioned
Answer» C. Not Willing to find answers on their own
73.

A list of protocols used by a system, one protocol per layer, is calle?

A. protocol architecture
B. protocol stack
C. protocol suite
D. none of the mentioned
Answer» C. protocol suite
74.

Elementary commands in R consist of either _______ or assignments.

A. utilstats
B. language
C. expressions
D. none of the mentioned
Answer» D. none of the mentioned
75.

Which of the following is one of the key data science skill ?

A. Statistics
B. Machine Learning
C. Data Visualization
D. All of the Mentioned
Answer» E.
76.

A __________ is a device that forwards packets between networks by processing the routing information included in the packet.

A. bridge
B. firewall
C. router
D. all of the mentioned
Answer» D. all of the mentioned
77.

help(solve)

A. print(solve)
B. bind(solve)
C. matrix(solve)
Answer» D.
78.

Initial release of MongoDB was in the year :

A. 2000
B. 2005
C. 2009
D. 2011
Answer» D. 2011
79.

Which of the following approach should be used to ask Data Analysis question ?

A. Find only one solution for particular problem
B. Find out the question which is to be answered
C. Find out answer from dataset without asking question
D. None of the mentioned
Answer» C. Find out answer from dataset without asking question
80.

Communication channel is shared by all the machines on the network in

A. broadcast network
B. unicast network
C. multicast network
D. none of the mentioned
Answer» B. unicast network
81.

MongoDB Queries can return specific fields of documents which also include user-defined __________ functions.

A. Javascript
B. C
C. C++
D. All of the mentioned
Answer» B. C
82.

Which of the following is most important language for Data Science ?

A. Java
B. Ruby
C. R
D. None of the Mentioned
Answer» D. None of the Mentioned
83.

Which of the following will start the R program ?

A. $ R
B. > R
C. * R
D. All of the mentioned
Answer» B. > R
84.

Which of the following format is supported by MongoDB ?

A. SQL
B. XML
C. BSON
D. All of the mentioned
Answer» D. All of the mentioned
85.

Which of the following is performed by Data Scientist ?

A. Define the question
B. Create reproducible code
C. Challenge results
D. All of the Mentioned
Answer» E.
86.

Which one of the following computer network is built on the top of another network?

A. prior network
B. chief network
C. prime network
D. overlay network
Answer» E.
87.

Which of the following is default prompt for UNIX environment ?

A. >
B. >>
C. <
D. All of the mentioned
Answer» B. >>