3i Infotech Placement: Sample Questions 1243 - 1244 of 1245

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Question 1243

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Describe in Detail

Essay▾

Describe the architecture of an SNMP agent.

Explanation

Architectures of SNMP
  • SNMP Network Managers and master agents use SNMP protocols to communicate with each other.
  • A network can have multiple SNMP Network Managers with each workstation having one master agent.

SNMP network managers:

  • A program getting and displaying information from master agents.
  • SNMP Network Managers allow selection of items to monitor and the format to display the information.

Master agents:

  • A software program that provides the interface between an SNMP Network Manager and a subagent.

Subagents:

  • A software program that provides information to a master agent.

Managed components:

  • Hardware or software that provides a subagent.
  • Example, database servers, operating systems, routers, and printers can be managed components if they provide subagents.

Management Information Bases:

  • A group of tables that specify the information that a subagent provides to a master agent.
  • MIBs follow SNMP protocols to provide the information.

Question 1244

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Write in Short

Short Answer▾

What are the reasons for process suspension?

Explanation

  • Swapping:
    • The operating system needs to release sufficient main memory to bring in a ready process.
  • Interactive user request:
    • User wishes to suspend execution of a program for purpose of debugging.
  • Timing:
    • A process may be suspended periodically for the next time interval.
  • Parent process request:
    • A parent processes wishes to suspend execution of descendent to examine or modify the suspended process.

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