BB Assistant Maintenance Engineer February 2023 – Written (BIBM) question & solution

Questions from the BB Assistant Maintenance Engineer recruitment exam, February 2023 – Written (BIBM), shared by the candidates who sat it. The paper: 25 MCQs, 13 written questions. So far 25 MCQs and 13 written questions have been shared. Topics include Emerging Technology, Computer Networks, DBMS, General Knowledge and Computer Architecture.

MCQ (25)

  1. Which country is known as the 'Rainbow nation'?
    1. a) China
    2. b) South Korea
    3. c) Japan
    4. d) South Africa
  2. Which one of the following is related to the services provided by cloud?
    1. a) Sourcing
    2. b) Ownership
    3. c) Reliability
    4. d) PaaS
  3. How many steps are there in the waterfall model?
    1. a) 5
    2. b) 6
    3. c) 7
    4. d) 8
  4. Which is the third largest economic country?
    1. a) United States
    2. b) Japan
    3. c) China
    4. d) Kolkata
  5. Where is data warehousing used?
    1. a) Transaction System
    2. b) Logical system
    3. c) Decision support system
    4. d) None
  6. Which of the following is protected by the Copyright Act?
    1. a) Intellectual property
    2. b) Original work of authorship
    3. c) Software
    4. d) All
  7. A basic memory storage element in a digital system is:
    1. a) Flip-flop
    2. b) Counter
    3. c) Multiplexer
    4. d) Encoder
  8. What is the use of data cleaning?
    1. a) To remove the noisy data
    2. b) Transformations to correct the wrong data
    3. c) Correct the inconsistencies in data
    4. d) All of the above
  9. The greatest negative number which can be stored in a computer that has 8-bit word length and use 2's complement arithmetic is _____.
    1. a) -256
    2. b) -127
    3. c) -255
    4. d) -128
  10. Who get Ballon d'Or cup 2022?
    1. a) Lionel Messi
    2. b) Kylian Mbappe
    3. c) Karim Benzema
    4. d) Ronaldo
  11. Small logical units where a data warehouse holds large amounts of data are known as _____.
    1. a) Access layers
    2. b) Data marts
    3. c) Data storage
    4. d) Data miners
  12. Which of the following is an essential process in which intelligent methods are applied to extract data patterns?
    1. a) Warehousing
    2. b) Data Mining
    3. c) Text Mining
    4. d) Data Selection
  13. Two resistors R1 and R2 are connected in parallel with R1 < R2. Choose all correct answers below. The total resistance of the combination…
    1. a) less than R1
    2. b) less than R2
    3. c) greater than R2
    4. d) greater than 2*R2
  14. What type of computing technology refers to services and applications that typically run on a distributed network through virtualized…
    1. a) Distributed Computing
    2. b) Cloud Computing
    3. c) Soft Computing
    4. d) Parallel Computing
  15. Cloud Computing architecture is a combination of_____.
    1. a) Service-oriented architecture and grid computing
    2. b) Utility computing and event-driven architecture.
    3. c) Service-oriented architecture and event-driven architecture.
    4. d) Virtualization and event-driven architecture.
  16. Service that generally focuses on the hardware follows which one of the following service models?
    1. a) IaaS
    2. b) PaaS
    3. c) SaaS
    4. d) Both A and B
  17. Which of the following pairs is an example of intra-domain routing protocols?
    1. a) ALOHA, RIP
    2. b) OSPF, RIP
    3. c) RIP, FTP
    4. d) BGP, SMTP
  18. Which of the following cannot be used as a public IP address?
    1. a) 17.0.0.1
    2. b) 168.172.19.34
    3. c) 172.15.29.63
    4. d) 192.168.13.18
  19. Which one of the following cloud concepts is related to sharing and pooling the resources?
    1. a) Virtualization
    2. b) Polymorphism
    3. c) Abstraction
    4. d) None of the above
  20. Which command loads a new version of the Cisco IOS into a router?
    1. a) copy flash ftp
    2. b) copy ftp flash
    3. c) copy flash tftp
    4. d) copy tftp flash
  21. Which of the following provides the ability to query information from the database and insert tuples into, delete tuples from, and modify…
    1. a) DML (Data Manipulation Language)
    2. b) DDL (Data Definition Language)
    3. c) Query
    4. d) Relational Schema
  22. The lead character in the film 'The Bandit Queen' has been played by –
    1. a) Rupa Ganguly
    2. b) Seema Biswas
    3. c) Pratiba Sinha
    4. d) Shabana Azmi
  23. A CPU generates 32-bit virtual addresses. The page size is 4 KB. The processor has a translation look-aside buffer (TLB) which can hold a…
    1. a) 11 bits
    2. b) 13 bits
    3. c) 15 bits
    4. d) 20 bits
  24. When a host on network A sends a message to a host on network B, which address does the router look at?
    1. a) Port
    2. b) IP
    3. c) Physical
    4. d) Subnet mask
  25. A page fault occurs
    1. a) When a requested page is in memory
    2. b) When a requested page is not in memory
    3. c) When a page is corrupted
    4. d) When an exception is thrown

Written (13)

  1. Suppose we have a 16 KB of data in a direct mapped cache with 4 word blocks. Determine the size of the tag, index and offset fields if we…
  2. Explain parity method for error detection. Write down the bit strings of "Delta" using ASCII.
  3. Suppose that a digitized TV picture is to be transmitted from a source that uses a matrix of 480 times 500 picture elements (pixels)…
  4. One of the drawbacks of a small packet size is that a large fraction of link bandwidth is consumed by overhead bytes. To this end, suppose…
  5. Explain IaaS, PaaS, and SaaS with respect to cloud computing.
  6. Define a virtual machine with a neat diagram, explain the working of VM. What are the benefits of a VM?
  7. What are the challenges in optimizing energy efficiency of data centers? Explain!
  8. A bank has association with two different service providers as their payment gateways. The bank hires Mr. X to audit the payment gateway…
  9. Verification and validation are two process areas at CMMI level 3. For both of these areas (a) provide a definition (b) a description of…
  10. Describe cut off, saturation and active region of operation of a transistor with diagram. Explain the working principle of an n-channel…
  11. A father has divided his property between his two sons A and B. A invests the amount at a compound profit of 8% p.a. B invests the amount…
  12. The percentage profit earned by selling an article for Tk. 1920 is equal to the percentage loss incurred by selling the same article for…
  13. 4(√6+√2)/(√6-√2) − (2+√3)/(2-√3) =?

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