CCNA MCQ Questions and Answers Quiz

21. Which of the following is the true statement regarding subnetting?

  1. Allows for more host address
  2. Borrow bits from the network portion of the address
  3. Allows for unlimited number of networks
  4. Borrow bits from the host portion of the address

22. Which one is among the IP routing protocols?

  1. RIP
  2. AURP
  3. ARP
  4. ICMP

23. Which one is the correct features of X.25?

  1. Supports only IP
  2. Utilizes switched and permanent virtual circuits
  3. Contains minimal flow control and error recovery
  4. None of the above

24. Which one of the following is not the characteristics of IGRP?

  1. Uses hop count as a metric
  2. Supports multiple unequal paths
  3. Administrative distance is 100
  4. Configured with an Autonomous system number

25. Which one of the following is not the characteristics of ISDN?

  1. Transports voice and data
  2. Transports voice only
  3. Support both BRI and PRI
  4. Runs over existing phone lines

26. Which OSI layer associated with bits?

  1. Physical
  2. Network
  3. Binary
  4. Data link

27. Which OSI layer establishes, maintains and terminates sessions between hosts?

  1. Session
  2. Physical
  3. Network
  4. Presentation

28. Which OSI layer performs code conversion, code formatting and encryption?

  1. Physical
  2. Session
  3. Application
  4. Presentation

29. Which statement is true regarding Administrative distance?

  1. It is a metric
  2. Number of hops between two routers
  3. Trustworthiness of the routing information
  4. RIP Administrative distance is 100

30. Which statement is true regarding half duplex?

  1. Only works in a point-to-point configuration
  2. Allows for transmitting and receiving but not a the same time
  3. Allow for transmitting and receiving of data simultaneously
  4. Doubles the bandwidth
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