BB Assistant Maintenance Engineer 2017 – Written question & solution

Questions from the BB Assistant Maintenance Engineer recruitment exam, 2017 – Written, shared by the candidates who sat it. The paper: 8 written questions. So far 8 written questions have been shared. Topics include Computer Networks, Network Security, Microprocessor, Electronics and Digital Logic.

Written (8)

  1. Describe addressing mode of 8086 microprocessors.
  2. How many subnets and hosts per subnet can you get from the network 172.20.0.0/27?
  3. What is the difference between battery and capacitor?
  4. What is the difference between latch and flip-flop?
  5. Write short notes on DHCP and SMTP.
  6. What is session hijacking and how to encrypt username and password in PHP?
  7. What are the important steps to secure a web server?
  8. If main memory access time is 100ns, cache access time is 50 ns, cache hit rate is 90% then what is the average time to read from memory?

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