TCP/IP Model

Question 1

The _________________ Layer of the TCP/IP model is concerned with physical and electrical characteristics. It describes how to transmit bits across the network and determines how the interface uses the network medium.

Answer 1

Network Interface (Layer 1)

Question 2

Ethernet, Token Ring, Fiber distrubution all is in Layer _________________ of the TCP/IP model.

Answer 2

Network Interface (Layer 1)

Question 3

The _________________ layer of the TCP/IP model packages data into IP diagrams and routes these IP diagrams between hosts across the network.

Answer 3

Internet (Layer 2)

Question 4

The _________________ layer of the TCP/IP model provides communication session management between hosts, and defines level of service and status of connection used for transport.

Answer 4

Transport (Layer 3)

Question 5

The _________________ layer of the TCP/IP model defines TCP/IP application protocols and how programs interface with the transport layer service. This is the layer the end-user interacts with.

Answer 5

Application (Layer 4)

Question 6

_________________ are logical openings into a system that allows IP addresses to know which applications are listening on a system.

Answer 6

Ports

Question 7

Well-known and Reserved ports are ports _________________ to _________________.

Answer 7

0 to 1023

Question 8

_________________ ports are short lived or temporary ports, open for a small period of time.

Answer 8

Ephemeral Ports

Question 9

Ephemeral ports are portes _________________ to _________________.

Answer 9

1024 to 65,535

Question 10

IPv4 Packets consist of a _________________, _________________, _________________ and _________________.

Answer 10

source address
destination address
IP flags (allows fragmentation)
protocol (TCP or UDP)

Question 11

The TCP header is bulkier with it’s _________________ byte header, than a UDP header which is _________________ bytes.

Answer 11

20 byte

8 bytes