| Post Name | IT Officer - Kerala State Co-operative Bank Ltd |
|---|---|
| Question Paper Code | 232/2023 |
| Category Code | 522/2022 |
| Date of Test | 24 November 2023 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Which of the following is a true statement?
Answer
A. PCI is a parallel interface whereas PCIe is a serial interface
2
Theoretical maximum speed for DDR5 memory :
Answer
D. 8800 MT/s
3
How many devices can be connected to a USB host?
Answer
B. 127
4
Name the technology that allows the CPU to access the entire GPU memory at once?
Answer
A. Resizable BAR
5
What kind of edge connector is used for M.2 SATA SSDs?
Answer
D. B+M key
6
The certification used to rate the energy efficiency of computer power supplies?
Answer
B. 80 plus
7
Which of the following is a system requirement for providing security against the firmware
attacks?
Answer
A. TPM
8
Which cache replacement policy keeps track of the page usage in the last clock interval?
Answer
B. NRU
9
What is the least dense, and fastest type of cell technology used in flash modules for SSDs?
Answer
A. SLC
10
What is Intelligent Platform Management Interface?
Answer
C. An interface that allows remote management and monitoring of servers
11
Which of the following sorting algorithms is stable?
P . Merge sort
Q . Quicksort
R . Heapsort
S . Insertion sort
Answer
D. P and S
12
A hash table implemented using an array contains 10 buckets and uses linear probing to
resolve collisions. The key values are integers, and the hash function used is key % 10. If the
values 100, 23, 45, 2, 13, 33 are inserted in the table, in what location would the key value
33 be inserted?
Answer
D. 6
13
For a Binary Search Tree, the result of postorder traversal is: 2, 1, 4, 3, 6, 8, 7, 5. The label of
the node which is farthest from the root is
Answer
A. 2
14
Which of the following statements about symbols table and two-pass assembler is true?
Answer
A. A symbol table is generated in the first pass
15
How many tokens will be generated by the lexical analyzer of a C compiler for the statement x = x * (a + b) − 5;?
Answer
C. 12
16
Which of the following C library functions will not invoke a system call when executed from a
process in a UNIX/Linux operating system?
P . exit
Q . malloc
R . strlen
Answer
B. R only
17
What does the term “Compaction” in Operating Systems refers to?
Answer
B. A technique for dealing with external fragmentation problem in memory
18
What is the maximum file size limit for the FAT32 file system?
Answer
B. 4 GB
19
What is the difference between a hard link and a symbolic link with respect to a file?
Answer
C. A hard link can only point to files on the same volume, while a symbolic link can
point to files on any volume
20
Which platform allows for the development of cross-platform mobile applications?
Answer
C. React Native
21
SQL query for finding the Cartesian product of relations R and S :
Answer
B. Select * from R, S
22
–––––––––– is the minimal super key.
Answer
B. Candidate key
23
Which one is not a DDL Command?
Answer
A. UPDATE
24
Which statement is true for the key of a relation?
Answer
C. Both
25
Which of the following is a concurrency problem?
Answer
D. Both
26
Dirty Read problem also known as
Answer
A. W-R Conflict
27
If a schedule S can be transformed into a schedule S ' by a series of swaps of non-conflicting
instructions, then S and S ' are
Answer
A. Conflict equivalent
28
Which one is not a recovery technique?
Answer
C. Two Phase commit
29
Check points Serve as
Answer
B. Bookmarks
30
Which feature is not belonging to NOSQL?
Answer
C. ACID transaction support
31
For the kind of glass used in optic fibers, which formula calculates the attenuation of light
through fiber in decibels?
received power transmitted power
Answer
C. 10 log10
32
A 1000- bit block of data is to be transmitted between two computers. Determine the ratio of
the propagation delay to the transmission delay, a, for 12 km of coaxial cable and the
transmission rate is 10 Mbps.
Answer
D. 6 × 10-1
33
What is ‘VSAT’ in Wireless satellite technology?
Answer
C. Very Small Aperture Terminal
34
Which generation of network is supposed to enable streaming multimedia, HDTV content,
Digital Video Broadcasting and ultra-broadband in Internet access?
Answer
B. 4G
35
Which frame is used in IEEE 802.11 standard to determine whether the station knows the
secret key of the authentication scheme being used?
Answer
A. Challenge frame
36
How many channels do Bluetooth radio layer consists of?
Answer
B. 79 channels
37
Which of the following statements is / are correct about Bluetooth technology?
(i) Bluetooth network configuration called a piconet, consists of a master device and up to
7 slave devices.
(ii) Only the master can start to transmit in even-numbered slots and slave can start to
transmit in an odd-numbered slots.
(iii) A slave device can be parked; All parked slaves have a 16-bit Parked Member Address
(PMA).
(iv) Bluetooth operates in an unlicensed radio band at 2.45 GHz in a Time Division
Multiplexing manner.
Answer
B. Only (i) and (iv)
38
The Global Positioning system (24 GPS) is an example for which orbit satellite?
Answer
C. Medium-Earth Orbit satellite
39
In multimode stepped index fiber, the dispersion can be reduced by using :
Answer
B. A core material that has a variable refractive index
40
To increase the capacity of 5G base stations, they need to consider the factors such as a large
number of base stations, more spectrum and an increased spectral efficiency per cell;
meaning it has the principle of massive MIMO. The MIMO stands for
Answer
D. Multiple Input Multiple Output
41
Poor performance of a machine learning model on both training and testing data indicates
which of the following?
Answer
C. Underfitting
42
Which of the following is not true about Gradient Descent technique in machine learning?
Answer
B. It is used to reach the maximum of the cost function
43
Which of the following is a statistical measure of the effectiveness of an attribute in
classifying the training data?
Answer
B. Information Gain
44
Which of the following are true about Principal Component Analysis (PCA)?
(i) PCA minimizes the sum of squares of projection errors
(ii) It is an unsupervised method
(iii) It is a feature extraction method
(iv) PCA works when the data lies in a linear subspace
Answer
D. (i), (ii), (iii) and (iv)
45
Find the odd one out :
Answer
C. Apriori
46
What is the activation function represented by f(x) = max(0, x)?
Answer
A. ReLu
47
What is the purpose of pooling layer in CNN?
Answer
D. Downsample the feature map
48
What is a residual in linear regression?
Answer
B. The difference between the actual y values and the predicted y values
49
What is Tensor in Tensor Flow?
Answer
C. Multi dimensional array
50
Who among the following created the large language model PaLM2?
Answer
A. Google
51
–––––––––––– is not a primary purpose of MIME in email communication.
Answer
C. Ensuring the confidentiality of email messages
52
The streaming protocol designed for real-time communication and commonly used for video
conferencing and VoIP applications :
Answer
A. SIP
53
–––––––––––– is the port number associated with SSH.
Answer
B. 22
54
The purpose of bind operation in LDAP is to :
Answer
D. To authenticate a client to the directory server
55
For an organization that has been allocated the IP address range 12.0.0.0/8 and intends to
establish 100 subnets, what subnet mask is required for this division?
Answer
C. 255.254.0.0
56
Which wireless communication protocol is commonly employed for short-distance
communication in IoT devices?
Answer
D. ZigBee
57
The primary purpose of supernetting in IP addressing is to :
Answer
B. Simplify routing by aggregating multiple smaller subnets into a larger one
58
The primary function of a network repeater is to :
Answer
A. Amplify and regenerate network signals
59
What does the term “CIDR” stand for
Answer
B. Classless Inter-Domain Routing
60
The WAN technology that is known for its use of a permanent, dedicated connection,
typically offering consistent bandwidth and low latency
Answer
C. Leased Line
62
What is the purpose of the