CHAPTER 2

1: Which of the following layers in the TCP/IP protocol covers three upper layers of the OSI model?

  1. IP layer

  2. TCP layer

  3. Data Link layer

  4. Application layer

A1: D. The Application layer in TCP/IP protocol covers the upper three layers of OSI (Session layer, Presentation layer, and Application layer).
2: The IP Layer can use which of the following lower layer protocols?

  1. Ethernet

  2. HDLC

  3. Frame Relay

  4. PPP

  5. All of the above

A2: E.
3: What is the length of IPv4 addresses?

  1. 32 bits

  2. 48 bits

  3. 64 bits

  4. 128 bits

A3: A.
4: Which protocol maps IP addresses to MAC addresses?

  1. ARP

  2. RARP

  3. ICMP

  4. UDP

A4: A. The Address Resolution Protocol (ARP) is used for this purpose. RARP does the opposite task of ARP. ICMP is used for network control and other purposes, whereas UDP is a Transport ...

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