4A0-100

4A0-100 practice questions, page 3 of 14, with answer review and explanations.

Question 11

Which organization eventually became the standards body for IP and related protocols?

  1. IEEE
  2. IETF
  3. NSFNET
  4. ITU-T
  5. APNIC

Question 12

What is the name for an organization that provides Internet services to its customers?

  1. A large corporation.
  2. An ISP.
  3. A home based business.
  4. A content provider.

Question 13

The IANA is responsible for:

  1. Intra-city ISP traffic
  2. Allocation of the global IP address space
  3. Allocating IP addresses for residential customer traffic
  4. Allocating North American IP addresses

Question 14

Which of the following is an important advantage of protocol layering? (Choose two)

  1. Controls distribution of IP addresses.
  2. Simplifies protocol functionality.
  3. Isolates changes in lower layers from upper layers.
  4. Increases protocol operational efficiencies.
  5. Layering adds to the fragmentation of the data

Question 15

To transmit its segments of data across the network TCP uses the services of which layer?

  1. Application Layer.
  2. Transport Layer.
  3. IP Layer.
  4. Data Link Layer