Exam Prep Questions

Question 1 What is the minimum length that an IP datagram header can be?

  • A. 20 bytes

  • B. 60 bytes

  • C. 20 words

  • D. 60 words

A1: Answer A is correct because an IP datagram header must be at least 20 bytes long. Answer B is incorrect because this is the maximum length an IP datagram header can be. Answers C and D are incorrect because the minimum number of 32-bit words an IP datagram header can be is 5.
Question 2 You have a system with a physical network interface hme0. Which command creates a logical interface using the next available logical interface number and assigns an IPv4 address of 192.168.5.5?

  • A. ifconfig hme0:1 plumb 192.168.5.5 up

  • B. ifconfig hme0:1 addif 192.168.5.5 up

  • C. ifconfig addif 192.168.5.5 up

  • D. ifconfig hme0 addif ...

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