Combined Bank Senior Officer September 2021 – Preliminary (AUST) question & solution

MCQ (92)

1. A job which is scheduled to run periodically at fixed times or intervals is known as-
   1. a) Batch Job
   2. b) Cron job
   3. c) Shell Script
   4. d) None of the above
2. Between a client and a web server, which of the following is used for inspecting the data that is sent from the client to the web server…
   1. a) Cluster configuration
   2. b) Load balancing function
   3. c) SSL-VPN function
   4. d) WAF
3. On a class B network, how many hosts are available at each site with subnet mask of 248?
   1. a) 16,382
   2. b) 8,190
   3. c) 4,094
   4. d) 2,046
4. Which one of the following is false with respect to 4G and 5G cellular networks?
   1. a) 5G supports faster bandwidth compared to 4G.
   2. b) Latency in 4G networks is much higher than 5G network.
   3. c) 4G uses a narrow slice of the available spectrum from 600 MHz to 2.5 GHz
   4. d) There will be data session handoff feature in 5G network which is not available in 4G network
5. What is the propagation time for a 2.5-kbyte message (an e-mail) if the bandwidth of the network is 1 Gbps? Assume that the distance…
   1. a) 50 ms
   2. b) 0.020 ms
   3. c) 100 ms
   4. d) 0.040 ms
6. User passwords in Linux are stored as-
   1. a) Direct text data
   2. b) Encrypted using some sort of hashing function
   3. c) Encrypted using mono-alphabetic cipher
   4. d) Encrypted using homophonic substitution cipher
7. In Oracle DBMS, LGWR process is a-
   1. a) Foreground Process
   2. b) Background Process
   3. c) High Priority Process
   4. d) Batch Process
8. The _____ is an HFC network device installed inside the distribution hub that receives data from the internet and passes them to the…
   1. a) CM
   2. b) CMTS
   3. c) DOCSIS
   4. d) MCNS
9. Finding useful patterns from the data in a database is known as-
   1. a) Data Visualization
   2. b) Data Mining
   3. c) Data Analytics
   4. d) All of the above
10. __________ helps prevent power surges.
    1. a) Surge suppressor
    2. b) Surge protector
    3. c) UPS system
    4. d) High-grade multi-meter
11. What is the API level of Android version 11?
    1. a) 24
    2. b) 25
    3. c) 31
    4. d) None of the above
12. .NET can be used in the following-
    1. a) Development of Desktop Applications
    2. b) Development of Microservices and containers
    3. c) Development of Cloud Applications
    4. d) All of the above statements are true
13. What is the Internal Codename of Android version 8.0?
    1. a) Red Velvet Cake
    2. b) Oatmeal Cookie
    3. c) Snow Cone
    4. d) Jelly Bean
14. A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6V and 9V, what is…
    1. a) 3 V
    2. b) 16 V
    3. c) 7.5 V
    4. d) 8 V
15. What is the typical speed of USB version 3.0?
    1. a) 4.8G bits per second
    2. b) 610 Mbps
    3. c) 6Gbps
    4. d) Both a and b
16. The Java Virtual Machine-
    1. a) Acts as a full-fledged hypervisor
    2. b) Converts bytecodes to Operating System dependent code
    3. c) Is known as the Compiler of Java programming language
    4. d) Manages system memory and provides a portable execution environment for Java-based applications
17. In which type of circuit switching is delivery of data delayed because data must be stored in and retrieved from RAM?
    1. a) Space-division
    2. b) Time-division
    3. c) Virtual
    4. d) Packet
18. Which one of the following statements with respect to REST API is false?
    1. a) A REST API would use a GET request to retrieve a record
    2. b) A REST API would use a DELETE request to delete a record
    3. c) The operations in a REST API can be called from any HTTP client
    4. d) None of the above statements is false
19. What is the maximum data rate of a channel with a bandwidth of 200 kHz if we use four levels of digital signaling?
    1. a) 400 Kbps
    2. b) 800 Kbps
    3. c) 1000 Kbps
    4. d) 1200 Kbps
20. SSDs are more durable than HDDs in extreme and harsh environments because
    1. a) They don't have actuator arms
    2. b) They use fast electronics Memory
    3. c) They do not use 0/1 as data storage unit which is prone to crash
    4. d) All of the above statements are true
21. Which one of the following is a NoSQL database?
    1. a) MongoDB
    2. b) CasperDB
    3. c) ZBase
    4. d) All of the above
22. If the end office receives two bursts of analog signals with frequencies of 697 and 1477 Hz, then the number ___ has been punched.
    1. a) 1
    2. b) 2
    3. c) 3
    4. d) 4
23. What will be the output of the following SQL "Select Round (232.420, -2) AS Round Value"?
    1. a) 240
    2. b) 200
    3. c) 233
    4. d) Syntax error
24. Which one of the following statements is true with respect to Printer Daemon process?
    1. a) The printer daemon of Operating System runs in kernel mode.
    2. b) Jobs in the printer daemon queue cannot be removed once inserted.
    3. c) Printer daemon application runs only when it is printing.
    4. d) Printer daemon runs as a service in Operating System
25. When a beam of light travels through media of two different densities, if the angle of incidence is greater than the critical angle, ___…
    1. a) Refraction
    2. b) Reflection
    3. c) Incidence
    4. d) Criticism
26. In the ___ protocol, the symmetric key is K = Gˣʸ mod N, where G and N are public numbers.
    1. a) Needham-Schroeder
    2. b) Otway-Rees
    3. c) Diffie-Hellman
    4. d) Kerberos
27. Which error detection method involves the use of parity bits?
    1. a) Simple parity check
    2. b) Two-dimensional parity check
    3. c) CRC
    4. d) a and b
28. A DNS response is classified as ___ if the information comes from a cache memory.
    1. a) Authoritative
    2. b) Recursive
    3. c) Unauthoritative
    4. d) Iterative
29. An email contains a textual birthday greeting, a picture of a cake, and a song. The order is not important. What is the Content-type?
    1. a) Multipart/digest
    2. b) Multipart/alternative
    3. c) Multipart/mixed
    4. d) Multipart/parallel
30. ________ is a client-server program that provides an IP address, subnet mask, IP address of a router, and IP address of a name server to a…
    1. a) NAT
    2. b) DHCP
    3. c) CIDR
    4. d) ISP
31. The Average-case Time Complexity of the binary search algorithm is-
    1. a) O(n/2 log n)
    2. b) O(n log n)
    3. c) O(log n)
    4. d) O(1)
32. ________ is a standard to allow telephones on the public telephone network to talk to computers connected to the Internet.
    1. a) SIP
    2. b) H.323
    3. c) IEEE 802.3
    4. d) V.90bis
33. An Ethernet LAN using the OSPF protocol with five attached routers can be called a _______ network.
    1. a) Point-to-point
    2. b) Stub
    3. c) Transient
    4. d) Virtual
34. The term LPDDR means-
    1. a) Low-Power Discrete Data Rate
    2. b) Low-processing Double Data Rate
    3. c) Low-Programmable Double Data Rate
    4. d) None of the above
35. What is the maximum data rate in IEEE 802.11n?
    1. a) 300 Mbps
    2. b) 600 Mbps
    3. c) 1 Gbps
    4. d) 832 Mbps
36. An IPv6 basic header is fixed as-
    1. a) 32 bytes long
    2. b) 40 bytes long
    3. c) 64 bits long
    4. d) 128-bit long
37. The binary search algorithm is used to search for a given item when items are sorted. If the number of items is 1 million, which of the…
    1. a) 15
    2. b) 20
    3. c) 25
    4. d) 30
38. What is the min and max number of tables required to convert an ER diagram with 2 entities and 1 relationship between them with partial…
    1. a) Min 1 and max 2
    2. b) Min 1 and max 3
    3. c) Min 2 and max 3
    4. d) Min 2 and max 2
39. At any iteration of simplex method, if Δj (Zj – Cj) corresponding to any non-basic variable Xj is obtained as zero, the solution under the…
    1. a) Degenerate solution
    2. b) Unbounded solution
    3. c) Alternative solution
    4. d) Optimal solution
40. Which of the following neural networks uses supervised learning?
    1. a) Multilayer perceptron
    2. b) Self-organizing feature map
    3. c) Hopfield network
    4. d) a and c
41. Which of the following services uses both TCP and UDP ports?
    1. a) DNS
    2. b) TFTP
    3. c) SSH
    4. d) TELNET
42. Which of the following Linux command has incorrect syntax?
    1. a) cat sample.txt | grep -v a | sort -r
    2. b) chown :group3 File1
    3. c) chmod a+rx viewer.sh
    4. d) None of the above
43. In software development, value adjustment factors include the following among others:
    1. a) the criticality of the performance and reusability of the code
    2. b) number of lines of code in the software.
    3. c) number of technical manpower and hardware costs
    4. d) time period available and the level of user friendliness
44. What is the maximum size of a file allowed in Linux with the following data: Block Size = 4KB, inode data pointer size = 4 bytes?
    1. a) 1 TB
    2. b) Less than 4TB
    3. c) 2TB+2GB+2MB+64KB
    4. d) More than 4 TB
45. In a two-level memory hierarchy, the access time of the memory is 12 nanoseconds, and the access time of the main memory is 1.5…
    1. a) 13.5 nsec
    2. b) 42 nsec
    3. c) 7.56 nsec
    4. d) 76 nsec
46. A single switch port is considered as-
    1. a) A separate unicast domain
    2. b) A separate broadcast domain
    3. c) A separate multicast domain
    4. d) A separate collision domain
47. Which UNIX/Linux command is used to make all files and sub-directories in the directory "progs" executable by all users?
    1. a) chmod -R a+x progs
    2. b) chmod -R 222 progs
    3. c) chmod -X a+x progs
    4. d) chmod -X 222 progs
48. An Access point operates in which layer of OSI model?
    1. a) Data link Layer
    2. b) Presentation layer
    3. c) Physical layer
    4. d) Transport layer
49. Which of the following Process scheduling algorithm is highly improbable to be implemented?
    1. a) FCFS Scheduling
    2. b) Priority Scheduling
    3. c) Shortest Job First Scheduling
    4. d) None of the above
50. Consider the following program fragment in assembly language: mov ax, 0h mov cx, 0Ah doloop: dec ax loop doloop What is the value of ax…
    1. a) ax=FFF5 h and cx=0h
    2. b) ax=FFF6 h and cx=0h
    3. c) ax=FFF7 h and cx=A h
    4. d) ax=FFF5 h and cx=0A h
51. How many core/threads does the Intel Core i7-9700K processor have?
    1. a) 6/12
    2. b) 4/8
    3. c) 8/8
    4. d) 8/16
52. Assuming the existence of start and end nodes for a program graph (PG), the total number of Paths is equivalent to ___ set of test data…
    1. a) Minimum
    2. b) Maximum
    3. c) Optimum
    4. d) Supreme
53. In which year were chips used inside the computer for the first time?
    1. a) 1964
    2. b) 1974
    3. c) 1975
    4. d) 1981
54. সাম্যবাদ কোন ইউরোপীয় দেশে প্রথম সূত্রপাত হয়?
    1. a) ইতালি
    2. b) ইংল্যান্ড
    3. c) ফ্রান্স
    4. d) রাশিয়া
55. ধরিত্রী সম্মেলন কোথায় অনুষ্ঠিত হয়?
    1. a) আফ্রিকার জোহানেসবার্গ
    2. b) ব্রাজিলের রিওডিজেনিরোতে
    3. c) ইতালির রোমে
    4. d) যুক্তরাষ্ট্রের ওয়াশিংটন ডিসিতে
56. আইওএস (iOS) মোবাইল অপারেটিং সিস্টেমটি কোন প্রতিষ্ঠান বাজারজাত করে?
    1. a) অ্যাপল
    2. b) গুগল
    3. c) মাইক্রোসফট
    4. d) আইবিএম
57. The product of two positive numbers is p. If each of the numbers is increased by 2, the new product is how much greater than twice the sum…
    1. a) p times
    2. b) 2p times
    3. c) (p+4) times
    4. d) (2p+3) times
58. A jar contains white, red and green marbles in the ratios 2:3:5 Six more green marbles are added to the jars, and then the ratio becomes…
    1. a) 2
    2. b) 4
    3. c) 6
    4. d) 8
59. If a, b and c are 3 consecutive integers and a>b>c, which of the following has the maximum value?
    1. a) c + b/a
    2. b) a + b/c
    3. c) b+ c/a
    4. d) c + a/b
60. One dozen eggs and ten pounds of apples are currently of the same price. If the price of a dozen eggs rises by 10% and that of apples…
    1. a) 2%
    2. b) 10%
    3. c) 6%
    4. d) 12%
61. 'ব্যক্ত' শব্দের বিপরীতার্থক শব্দ কোনটি?
    1. a) ত্যক্ত
    2. b) গ্রাহ্য
    3. c) দৃঢ়
    4. d) গূঢ়
62. মুক্তিযুদ্ধের পটভূমিতে রচিত কাব্যগ্রন্থ কোনটি?
    1. a) নেকড়ে অরণ্য
    2. b) বন্দী শিবির থেকে
    3. c) নিষিদ্ধ লোবান
    4. d) প্রিয়যোদ্ধা প্রিয়তম
63. কাজী নজরুল ইসলামের 'অগ্নি-বীণা' কাব্যের প্রথম কবিতা কোনটি?
    1. a) আগমনী
    2. b) কোরবানী
    3. c) প্রলয়োল্লাস
    4. d) বিদ্রোহী
64. কোনটি রবীন্দ্রনাথ ঠাকুরের কাব্যগ্রন্থ?
    1. a) শেষ লেখা
    2. b) শেষ প্রশ্ন
    3. c) শেষ কথা
    4. d) শেষ দিন
65. মুনীর চৌধুরীর 'মুখরা রমণী বশীকরণ' একটি-
    1. a) উপন্যাস
    2. b) ছোটগল্প
    3. c) প্রবন্ধ
    4. d) অনুবাদ নাটক
66. 'বন্ধন' শব্দের সঠিক অক্ষর বিন্যাস কোনটি?
    1. a) ব+নক্ক+ন
    2. b) বন্+ধন্
    3. c) ব+ক্ক+ন
    4. d) বান্+ধন্
67. বহুব্রীহি সমাসবদ্ধ পদ কোনটি?
    1. a) জনশ্রুতি
    2. b) অনমনীয়
    3. c) খাসমহল
    4. d) তপোবন
68. 'বিষাদ সিন্ধু' একটি-
    1. a) গবেষণা গ্রন্থ
    2. b) ধর্মবিষয়ক প্রবন্ধ
    3. c) ইতিহাস আশ্রয়ী উপন্যাস
    4. d) আত্মজীবনী
69. বাংলা কথ্য ভাষার আদি গ্রন্থ কোনটি?
    1. a) প্রভু যিশুর বাণী
    2. b) কৃপার শাস্ত্রের অর্থভেদ
    3. c) ফুলমণি ও করুণার বিবরণ
    4. d) মিশনারি জীবন
70. উপসর্গ কোনটি?
    1. a) অতি
    2. b) থেকে
    3. c) চেয়ে
    4. d) দ্বারা
71. The warning of the authority falls on deaf ears. Here warning does the function of-
    1. a) adverb
    2. b) adjective
    3. c) verb
    4. d) noun
72. "A rolling stone gathers no moss" The complex form of the sentence is-
    1. a) Since a stone is rolling, it gathers no moss
    2. b) Though a stone roll, it gathers no moss.
    3. c) A stone what rolls gathers no moss.
    4. d) A stone that rolls gathers no moss.
73. Which word is the determiner in the sentence "Will it take much time?"
    1. a) Will
    2. b) take
    3. c) much
    4. d) time
74. Choose the pair of words that expresses a relationship similar to that of "Harm: Damage"=
    1. a) Sweet:Sour
    2. b) Injure:Incapacitate
    3. c) Stout:Weak
    4. d) Hook:Crook
75. If a part of a speech or writing breaks the theme, it is called-
    1. a) pomposity
    2. b) digression
    3. c) exaggeration
    4. d) anti-climax
76. There are n students in a school. If r % among the students are 12 years or younger, which of the following expressions represents the…
    1. a) n(1-r)
    2. b) 100(1-r)
    3. c) n(1-r)/100
    4. d) n(100-r)/100
77. Length of a train is 170 meters and speed of train is 63 km/hour. This train can pass a bridge in 30 seconds, then find the length of the…
    1. a) 355 m
    2. b) 325 m
    3. c) 365 m
    4. d) 312 m
78. A wholesaler sells goods to a retailer at a profit of 20%. The retailer sells to the customer, who pays 80% more than the cost of the…
    1. a) 40%
    2. b) 50%
    3. c) 60%
    4. d) 70%
79. If x³<x²<x then the value of x could be
    1. a) 0
    2. b) 1
    3. c) 1/3
    4. d) √3
80. The hypotenuse of a right triangle is 2 centimeters more than the longer side of the triangle. The shorter side of the triangle is 7…
    1. a) 13
    2. b) 15
    3. c) 17
    4. d) 19
81. Equal amounts of water were poured into two empty jars of different capacities, which made one jar ¼ full and the other jar 1/3 full. If…
    1. a) 1/3
    2. b) 1/4
    3. c) 1/5
    4. d) 1/2
82. গণপ্রজাতন্ত্রী বাংলাদেশের সংবিধান প্রবর্তিত হয়-
    1. a) ১৭ এপ্রিল ১৯৭১
    2. b) ১৬ ডিসেম্বর ১৯৭২
    3. c) ৭ মার্চ ১৯৭২
    4. d) ২৬ মার্চ ১৯৭৩
83. বঙ্গবন্ধু আগরতলা ষড়যন্ত্র মামলায় মোট আসামি সংখ্যা ছিল কতজন?
    1. a) ৩৪ জন
    2. b) ৩৫ জন
    3. c) ৩৬ জন
    4. d) ৩২ জন
84. আইন প্রণয়নের ক্ষমতা-
    1. a) আইন মন্ত্রণালয়ের
    2. b) রাষ্ট্রপতির
    3. c) স্পিকারের
    4. d) জাতীয় সংসদের
85. পার্বত্য চট্টগ্রাম শান্তিচুক্তি কত সালে স্বাক্ষরিত হয়?
    1. a) ১৯৯৬
    2. b) ১৯৯৭
    3. c) ১৯৯৯
    4. d) ২০০১
86. বাংলাদেশের প্রথম স্বাধীন নবাব কে?
    1. a) নবাব সিরাজউদ্দৌলা
    2. b) মুর্শিদ কুলী খান
    3. c) ইলিয়াস শাহ
    4. d) আলাউদ্দিন হুসেন শাহ
87. বায়ুমন্ডলের যে স্তরে বেতার তরঙ্গ প্রতিফলিত হয়-
    1. a) স্ট্রাটোস্ফিয়ার
    2. b) ট্রপোস্ফিয়ার
    3. c) আয়োনোস্ফিয়ার
    4. d) ওজোনস্তর
88. 'কালাপানি' কোন দুই রাষ্ট্রের মধ্যে অমীমাংসিত ভূখণ্ড?
    1. a) ভারত ও নেপাল
    2. b) পাকিস্তান ও চীন
    3. c) ভুটান ও ভারত
    4. d) বাংলাদেশ ও ভারত
89. Education is enlightening. Here 'enlightening'' is:
    1. a) A gerund
    2. b) A participle
    3. c) An infinitive
    4. d) A finite verb
90. The comparison of unlike things using the words like or as is known to be –
    1. a) metaphor
    2. b) simile
    3. c) alliteration
    4. d) personification
91. In English grammar, ___ deals with formation of sentences.
    1. a) Morphology
    2. b) Etymology
    3. c) Syntax
    4. d) Semantics
92. Give the antonym of the word 'transitory'.
    1. a) temporary
    2. b) permanent
    3. c) transparent
    4. d) short-lived

Other papers for this post

• October 2026 – Written
• July 2026 – Written
• May 2026 – Preliminary
• October 2025 – Written
• May 2024 – Written (BIBM)
• October 2023 – Written (MIST)
• October 2021 – Preliminary
• 2020 – Preliminary