| Post Name | Workshop Instructor/ Instructor Grade II/ Demonstrator/ Draftsman Grade II (Computer Hardware and Maintenance) - Technical Education Department |
|---|---|
| Question Paper Code | 028/2024 |
| Category Code | 180/2023 |
| Date of Test | 26 February 2024 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Which of the following statement is/are correct?
(i) Random Access Memory serves as a temporary storage for data and instructions
(ii) SSD is a type of volatile memory
(iii) Virtual Memory is used to store BIOS
(iv) ROM stores firmware
Answer
C. Only (i) and (iv)
2
Which of the following statement is/are correct?
(i) DRAM stores each bit in an electrical capacitor
(ii) DRAM is commonly used for main memory in Personal Computers
(iii) Periodical refresh needed for DRAM
(iv) SRAM and SDRAM are same
Answer
B. only (i), (ii) and (iii)
3
Which of the following statement is correct?
Answer
B. Address bus is Unidirectional and Data bus is Bidirectional
4
Which of the following statement is wrong related to instruction pipeline?
Answer
C. Execute stage interprets the instruction and determines the required operations
5
Which of the following statement is wrong related to addressing modes?
Answer
D. Direct addressing mode arithmetic instruction, the operand value is specified
directly within the instruction itself
A 3
6
Match the following :
Answer
C. Output (iii) Hold data in temporary storage for execution
by another device or program
7
Pseudo-ops in Assembly language programs are :
Answer
B. Assembler Directives
8
Signal generated by external hardware to gain attention of processor is :
Answer
A. Interrupt
9
Match the following service numbers with their functions in INT 21H of 8086 processor :
Answer
D. AH = 4CH (iv) Read an ASCII Character from
keyboard
10
Type of USB connector commonly used for connecting printers and scanners is :
Answer
B. USB Type-B
11
‘TRIM’ command is related to :
Answer
B. Solid-State Drives
12
Which one of the following is related to ‘BSOD’?
Answer
A. System Error
13
Which of the following is not a reason for unstable or incorrect system clock on computers?
Answer
D. Soft Errors in RAM
14
Match the following color-code with their output voltage of SMPS?
Answer
C. BLUE (iii) + 12 V
15
‘Ping’ command is used for :
Answer
A. Sending a test signal to check reachability of a network device
16
Which of the following is not a way in windows to identify physical address of the network
adapter connected in the computer?
Answer
D. nslookup command
17
Which of the following is not a functionality of Linux command uname?
Answer
A. display user name
18
Which one of the following is not a method to enable or disable USB ports in computers?
Answer
D. Task Manager
A 5 028/2024
19
Which of the following computer component is most related to UEFI?
Answer
A. BIOS
20
Circuit-Level Gateways are :
Answer
B. Firewall
21
Which of the following statement is wrong related to AVR ATMega32 Microcontroller?
Answer
A. 32 KB of internal static RAM
22
What will be PORTA value after execution of AVR C Statements?
PORTA =1 ;
PORTA |= 1 <
Answer
D. 3
23
Match the following related to ATMega32 :
Answer
A. Timer (i) Successive
Approximation
24
Which of the following statement is wrong related to AVR ATMega32 Microcontroller?
Answer
C. Instruction LDI R1,50 will load R1 register immediately with 50
25
Which one of the following instruction does not skip next statement in AVR ATMega32?
Answer
B. SBCI
26
Choose the function corresponding to the instruction 0x0E while working on the LCD?
Answer
D. Display on Cursor on
27
Which one of the following is not a valid register in the AVR microcontroller associated with
USART?
Answer
C. USART Address Register
28
Which command in Linux is used to rename a file image1.png to image2.png?
Answer
C. mv image1.png image2.png
29
Which of the following statement is / are correct about Storage Area Networks?
(i) The main I/O protocol of SAN is NFS or CIFS.
(ii) SAN uses block level data access.
(iii) In SAN, each server can have direct access to the storage.
Answer
A. Only (ii) and (iii)
30
Which of the following statement is / are correct about VM Clone and VM template?
(i) The VM that is powered on can be cloned.
(ii) A powered on VM cannot be used to create a template.
Answer
B. Both (i) and (ii)
31
What signature algorithm is required while installing a server certificate for deploying SMB
over QUIC?
Answer
A. SHA256RSA or greater
32
What file permission is represented in Linux by the octal expression 4644?
Answer
D. None of the above
33
Which one of the following is highly effective in environments where low latency is required
such as RDBMS and high frequency trading platform?
Answer
B. NVMe
34
Which of the following statement is / are correct about paging scheme?
(i) If valid / invalid bit is set to 1, it indicates that the page is not present in the main
memory resulting in a page fault.
(ii) The occurrence of page fault calls the page fault interrupt which executes the page fault
handling routine.
Answer
D. Only (ii)
35
Which of the following statement is / are correct about RAID?
(i) In RAID 0 and RAID 1, data is split evenly across two or more disks and there is no
redundancy.
(ii) RAID 2 uses bit level striping.
(iii) RAID 3 uses byte level striping with dedicated parity.
Answer
A. Only (ii) and (iii)
36
If the time to service a page fault is 10 milliseconds and a memory access takes
1 microsecond. Then, a 99.99% hit ratio results in average memory access time of :
Answer
D. 2 microseconds
37
Which of the following is equivalent to RAID z?
Answer
C. RAID 5
38
Which of the following statement is / are correct about multithreading?
(i) Intel claims up to 30% improvement with its Hyper-Threading Technology.
(ii) Hand-tuned assembly language programs using MMX or AltiVec extensions do not
benefit from hardware multithreading
(iii) Multithreading may lead to degraded performance due to contention for shared
resources
Answer
C. All of the above (i), (ii) and (iii)
39
Which of the following statement is / are correct about virtualisation?
(i) When storage is virtualised, it is not paired to any particular server.
(ii) Server visualisation means hardware is adjusted on demand. As workloads shrink,
servers can be discontinued and as workload increases, the same servers can be turned
back on.
Answer
B. Both (i) and (ii)
40
Which of the following statement is / are correct about interrupt driven I/O?
(i) The CPU stays in the loop to know if the device is ready for transfer and has to
continuously monitor the peripheral device.
(ii) It cannot do any work until the transfer is complete.
Answer
C. None of the above (i) and (ii)
41
Which of the following vendors offer Hyper Converged Infrastructure software?
Answer
D. All of the above
42
Which of the following statement is/are correct about REST and SOAP?
(i) REST APIs uses multiple standards like HTTP, JSON, URL and XML for data
communication and transfer.
(ii) REST has SSL due to which, in the cases like Bank Account Password, Card Number
REST is preferred over SOAP.
(iii) SOAP is a protocol and REST is an architectural pattern.
Answer
D. Only (i) and (iii)
A 9 028/2024
43
Which of the following statement is/are correct about backup?
(i) In differential back up strategy successive copies of data contains only the changed part
since the preceding backup copy was made.
(ii) In incremental back up strategy only the difference in the data from last full backup is
saved.
Answer
C. None of the above (i) and (ii)
44
Which of the following statement is/are correct about exec( ) system call?
(i) The new program is loaded into an entire different process space.
(ii) The process ID of the new process is changed
(iii) If the currently running process has multiple threads, then all of them will be
terminated and new process image will be loaded and executed.
Answer
D. Only (iii)
45
Which of the following statement is / are correct about Serial Attached SCSI?
(i) SAS can manage as many as 128 direct point-on-point connections
(ii) It is a half-duplex interface, so it cannot execute read and write functions
simultaneously.
(iii) It is compatible with SATA devices
Answer
D. Only (i) and (iii)
46
The poor performance of a virtual memory system when the same pages are being loaded
repeatedly due to a lack of main memory to keep them in memory is called as :
Answer
B. Thrashing
47
Which of the following statement is / are correct about encryption?
(i) Secure Sockets Layer (SSL) protocol encrypt and decrypt the data exchanged between
web browsers and web servers.
(ii) Pretty Good Privacy (PGP) software encrypt and decrypt the email messages and files.
(iii) Virtual Private Network (VPN) technology encrypts and decrypts the data sent over a
public network
Answer
C. All of the above (i), (ii) and (iii)
48
Manufacturers of Ethernet NICs request a block of Ethernet addresses from ––––––––––– to
ensure that no two NICs have the same address.
Answer
C. IEEE
49
The maximum number of IP Addresses that can be assigned to the nodes with a subnet mask
of 255.255.255.224 is :
Answer
D. 30
50
Feedback about problems in the communication environment is provided with –––––––––––
protocol.
Answer
B. ICMP
51
The value of MTU size in the default VLAN configuration is
Answer
A. 1500
52
The most recent standard in the IEEE 802.11 series published in the year 2021 is:
Answer
B. 802.11ax
53
In the case of Intrusion Detection System (IDS) and Intrusion Prevention System (IPS),
identify the WRONG statement from the below options:
Answer
C. Inline usage of firewalls with IPS is not needed to improve the network security
54
In the case of Access Control Lists
Answer
D. If no match is present, the default is to allow the packet
A 11 028/2024
55
The first message sent by the client to get an IP address from the DHCP server is:
Answer
B. DHCP discover message
56
Which of the following is NOT a feature of the Virtual Private Network?
Answer
C. It supports SSL and doesn’t support TLS
57
If a host in a network is given the IPv4 address as 10.44.17.210/27, find the correct statement
from the following:
Answer
A. Usable Hosts – 30 Network Address -10.44.17.192 Mask 255.255.255.224
58
Among the following statements, which is an INCORRECT statement regarding Network
Attached Storage (NAS)?
Answer
B. A NAS system doesn’t require a CPU as its component
59
Among the following statements, which is INCORRECT regarding the RAID configurations?
Answer
D. All the above statements are correct
60
Select the service NOT offered by the NAS system from the given options:
Answer
C. Active Directory Services
61
Which of the following RAID architecture is known as double-parity RAID?
Answer
B. RAID-6
62
Among the following statements, which is FALSE in NAS-Shares:
Answer
A. In the NAS share name field, letters, numbers, hyphens (-). underscore (_) and
dollar ($) can be used in any combination
63
The default port number used by NAS Network for encrypted backup is:
Answer
D. 22
64
The NAS file system protocol supported only in Microsoft Windows Platform:
Answer
Question Cancelled
65
Which of the following is a famous brand in producing NAS devices?
Answer
C. Synology
66
Among the following statements, which is INCORRECT in the NAS environment :
Answer
C. Encryption can be used for optimizing backed up data space
67
Select the WRONG statement from the following:
Answer
D. All the statements are correct
A 13 028/2024
68
Which among the following statements is INCORRECT regarding Composable functions in
the android environment?
Answer
A. A modifier is not used to augment or decorate composable
69
Which among the following is NOT a function in the cursor class for database operations in
the android environment?
Answer
C. executeQuery()
70
Which among the following statements is FALSE regarding an android activity?
Answer
A. onStart() – The Android activity lifecycle starts with this and is called when the
activity is first created
71
Which among the following event functions is NOT directly available in the Android
Environment?
Answer
B. onDoubleClick()
72
Which of the following is an invalid user input control in Android Environment?
Answer
C. ListBox
73
Which among the following methods is NOT used in Palette.Builder class in the android
environment?
Answer
D. None of the above
74
Which of the following is NOT supported in Android Recycler view layout manager?
Answer
B. Circular Layout Manager
75
Which of the following is/are the main component(s) of an android application?
Answer
D. All of the Above
76
Which ACPI state involves the system writing the contents of RAM to the hard drive and
then completely powering off?
Answer
D. S4
77
What is the maximum data transfer speed of USB 3.1 Gen 2?
Answer
C. 10 Gbps
78
How does link Aggregation benefit network connections?
Answer
B. It allows for increased bandwidth and higher data transfer rates
79
What distinguishes delta updates from traditional firmware updates?
Answer
B. Delta updates only update the portions of firmware that have changed, reducing
the size of the update file
80
What happens internally when the TRIM command is executed on an SSD?
Answer
B. It marks unused blocks of data as available for new data, improving write
performance
81
In Wi-Fi settings on a laptop, what does the term SSID refer to?
Answer
C. Service Set Identifier
82
How does HDMI ARC differ from standard HDMI connections?
Answer
C. HDMI ARC permits bi-directional audio transmission between compatible devices
83
Which backup strategy involves backing up data at regular intervals, preserving changes
since the last backup, and requires the least storage space?
Answer
C. Incremental backup
84
Which command-line tool in Linux can be utilized to conduct memory errors on a laptop?
Answer
Question Cancelled
85
In the context of battery capacity, what does the term ‘
Answer
Question Cancelled
86
Why is the utilization of edge computing significant in IoT before transmitting data to the
cloud?
Answer
D. To reduce data latency
87
How can you sort a list in descending order using the sorted( ) function?
Answer
C. sorted(my_list, reverse=True)
88
What is the purpose of the count( ) method in Python tuples?
Answer
B. Counts the occurrences of a specific element in the tuple
89
What is the output of the following Python program?
def greet(name):
return f “Hello, {name}!”
user_name = input(“Enter your name:”)
message = greet(user_name)
print(message)
Answer
B. Displays a greeting message with the user’s name
90
What will be the output of the following code?
while True:
print(“This is an infinite loop”)
break
Answer
A. It will print “This is an infinite loop” once
91
Which Python library is frequently utilized for managing HTTP requests in Internet of
Things (IoT) applications?
Answer
D. requests
92
Which of the following short-range wireless communication technology is commonly used in
home automation to enable a mobile application to communicate with IoT sensors?
Answer
Question Cancelled
93
What is a key benefit of utilizing Raspberry Pi Zero W in IoT projects?
Answer
C. Integrated Wi-Fi and Bluetooth capabilities
94
In the context of a PING command, what does ‘DF’ represent?
Answer
D. Don’t Fragment
95
Which configuration file does GRUB Customizer edit to implement changes to the GRUB
bootloader settings?
Answer
A. /etc/default/grub
96
What is the crontab syntax to represent “Every weekday at 3:00 AM”?
Answer
B. 0 3 * * 1-5
97
What entry in the sudoers file specifies the time duration during which a user can execute
sudo commands without the need for re-authentication?
Answer
B. timestamp_timeout
98
In TELNET communication, what role does the “NAWS” option play?
Answer
A. Negotiate Automatic Window Size
99
During the Samba server installation, which configuration file is commonly edited to define
shared directories and permissions :
Answer
Question Cancelled
100
What is the primary focus of the “deflate” algorithm in GZIP compression?
Answer
A. Lossless compression
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