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WorksheetsTCP/IP
Total questions: 14
Worksheet time: 10mins
In the current TCP/IP model, the Application, Presentation, & Session layers from the OSI model are combined into which layer?
Data Link
Physical
Transport
Application
Network
The protocol(s) used at the Transport layer is ...
User Datagram Protocol (UDP)
Transmission Control Protocol (TCP)
Both are transport layer protocols
What protocol(s) is used at the Network layer?
Transmission Control Protocol (TCP)
Both options are protocols used at the Network layer
Internet Protocol (IP)
What function is performed at the Data Link layer?
Move the data from device to device across the network
Sequence the data for reassembly at the destination
Packets are addressed so they can be routed through the network to the destination
Why were the Data Link & Physical layers divided into two separate layers in the current TCP/IP model?
Because the number of protocols grew too large for the link layer to handle it by itself
Because networks use different types of transmission media (ethernet wire, fiber optic cable, and radio signals) to transmit bits
Because the original TCP/IP model was too complicated for many typical uses
True or False: the application layer defines how applications use the network, not how the applications actually work
True
False
Transport layer protocols
convert the data into bits to be transmitted
use port numbers to track sessions
address the traffic for its destination
What information is found in a TCP header?
Destination port
Source port
Both options are found in a TCP header
What is the combination of the data and TCP header called?
frame
segment
packet
What information is included in the IP header added to a TCP segment?
Both answers are included in the IP header
Destination IP address
Source IP address
What is the FIRST thing the destination does at the network layer with a packet it receives?
Pass the packet to the transport layer
Remove the IP header
Reassemble the data once it receives all the packets
What information is found in the frame header?
Both are found in a frame header
Destination MAC address of the next device in the path to the ultimate destination
Source MAC address
True or False: the source and destination MAC addresses in the frame change at each hop in the path of the packet to match the MAC address of the current device and the MAC address of the next device in line
True
False
What is done with the data at the physical layer?
The physical layer header is added to the frame to prepare it for transmission
Both occur at the physical layer
The data is converted into its intended transmission media (electrical, light, radio wave) and sent down its transmission path
