Name of the Organisation : National Institute of Electronics & Information Technology – NIELIT
Examination : A Level Course Examination 2019
Document Type : Old Question Papers
Year : 2019
Subject Code : A10.1-R4 Elective / A10.2-R4/A9-R4/A8-R4/A7-R4/A6-R4
Website : http://nielit.gov.in/node/14675
NIELIT A Level Course Examination Old Question Papers
Question Paper of A Level Course Examination All subject Question Paper January 2019 is now available in the official website of Directorate Of Economics And Statistics
Instructions
** Carefully read the instructions given on Question Paper, OMR Sheet and Answer Sheet.
** Question Paper is in Hindi and English language. Candidate can choose to answer in any one of the language (i.e., either Hindi or English)
** There are TWO PARTS in this Module/Paper. PART ONE contains FOUR questions and PART TWO contains FIVE questions.
** PART ONE is Objective type and carries 40 Marks. PART TWO is subjective type and carries 60 Marks.
** PART ONE is to be answered in the OMR ANSWER SHEET only, supplied with the question paper, as per the instructions contained therein. PART ONE is NOT to be answered in the answer book for PART TWO.
** Maximum time allotted for PART ONE is ONE HOUR. Answer book for PART TWO will be supplied at the table when the answer sheet for PART ONE is returned. However, candidates who complete PART ONE earlier than one hour, can collect the answer book for PART TWO immediately after handing over the answer sheet for PART ONE.
** Candidate cannot leave the examination hall/room without signing on the attendance sheet or handing over his Answer sheet to the invigilator. Failing in doing so, will amount to disqualification of Candidate in this Module/Paper.
** After receiving the instruction to open the booklet and before answering the questions, the candidate should ensure that the Question booklet is complete in all respect.
Download Question Paper :
A9-R4 :
https://www.pdfquestion.in/uploads/pdf2019/34076-A9-R4.pdf
A8-R4 :
https://www.pdfquestion.in/uploads/pdf2019/34076-A8-R4.pdf
A7-R4 :
https://www.pdfquestion.in/uploads/pdf2019/34076-A7-R4.pdf
A6-R4 :
https://www.pdfquestion.in/uploads/pdf2019/34076-A6-R4.pdf
Data Communication & Network Technologies
1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1?10)
1.1 Which of the following layer deals with the mechanical and electrical specifications of the interface and transmission medium ?
(A) Transport
(B) Network
(C) Data Link
(D) Physical
1.2 Which of the following is a mechanism used by hosts and gateways to send notification of datagram problems back to the sender ?
(A) The Internet Group Management Protocol (IGMP)
(B) The Internet Control Message Protocol (ICMP)
(C) The Address Resolution Protocol (ARP)
(D) The Reverse Address Resolution Protocol (RARP)
1.3 A signal is carrying data in which one data element is encoded as one signal element (r = 1). If the bit rate is 100 kbps, what is the average value of the baud rate if c is between 0 and 1 ?
(A) 25
(B) 50
(C) 75
(D) 100
1.4 In which of the following, very highfrequency signals are transmitted in straight lines directly from antenna to antenna ?
(A) Ground Propagation
(B) Sky Propagation
(C) Line-of-sight propagation
(D) None of the above
1.5 Which of the following is an abstract concept that defines the range of sequence numbers that is the concern of the sender and receiver ?
(A) Error control
(B) Error detection
(C) The sliding window
(D) Acknowledgement
1.6 Which of the following is a three-way hand-shaking authentication protocol that provides greater security than PAP ?
(A) The Link Control Protocol (LCP)
(B) The Challenge Handshake Authentication Protocol (CHAP)
(C) The Point-to-Point Protocol (PPP)
(D) The High-level Data Link Control (HDLC)
1.7 Which of the following method after the station finds the line idle, it sends its frame immediately ?
(A) 1-persistent
(B) Non-persistent
(C) p-persistent
(D) None of the above
1.8 Which of the following uses one link between the station and the switch, the configuration uses two links: one to transmit and one to receive ?
(A) Full-Duplex Ethernet
(B) Switched Ethernet
(C) Bridged Ethernet
(D) None of the above
1.9 Which of the following device works at physical layer ?
(A) Router
(B) Switch
(C) Hub
(D) Repeater
1.10 Which of the following is not a part of data link layer in SONET ?
(A) Photonic layer
(B) Path layer
(C) Line layer
(D) Selection layer
Unix And Shell Programming
1.1 In operating system, each process has its own
(A) Address space and global variables
(B) Open files
(C) Pending alarms, signals and signal handlers
(D) All of the options
1.2 For most computers, the bootstrap is stored in _________.
(A) RAM
(B) ROM
(C) Cache
(D) Hard Disk
1.3 Which is not an X client?
(A) xargs
(B) xterm
(C) xclock
(D) xcalc
1.4 Which command removes job from printer spooling queue?
(A) Ipq
(B) Ipr
(C) Iprm
(D) Iprloc
1.5 The ‘pipe’ system call in UNIX is used to
(A) Create a named pipe
(B) Create an unnamed pipe
(C) Create a duplicate of a file
(D) None of the options
1.6 What content of the file test will be displayed if following code is excuted? # sed –n ‘2,5 p’ test
(A) All lines except 2 and 5
(B) All lines except 2 to 5
(C) Only line 2 and 5
(D) Lines 2 to 5
1.7 Which of the following is used to find for files using name and ignoring case?
(A) find -iname “practical.c”
(B) find -name “practical.c”
(C) find “practical.c”
(D) None of the options
1.8 Which is correct command to set read permission to user, group and other to permission.txt file?
(A) chmod 222 permission.txt
(B) chmod 111 permission.txt
(C) chmod 444 permission.txt
(D) chmod 121 permission .txt
1.9 Which of the following command is used to check and repair a file system?
(A) ping
(B) format
(C) du
(D) fsck
1.10 Which is a special shell variable?
(A) $1
(B) $!
(C) $@
(D) All of the options
Database Management Systems
1.1 When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n)
(A) transitive dependency
(B) insertion anomaly
(C) referential integrity constraint
(D) normal form
1.2 The ________ refers to the way data is organized in and accessible from DBMS.
(A) database hierarchy
(B) data organization
(C) data sharing
(D) data model
1.3 A table can have only one
(A) Secondary key
(B) Alternate key
(C) Unique key
(D) Primary key
1.4 In the relational models, cardinality is termed as:
(A) Number of tuples
(B) Number of attributes
(C) Number of tables
(D) Number of constraints
1.5 Architecture of the database can be viewed as
(A) two levels
(B) four levels
(C) three levels
(D) one level
1.6 A functional dependency is a relationship between or among
(A) tables
(B) rows
(C) relations
(D) attributes
1.7 Field is otherwise called as ______ of the record
(A) data item
(B) data type
(C) value
(D) variable
1.8 The way a particular application views the data from the database that the application uses is a
(A) module
(B) relational model
(C) schema
(D) sub schema