4. Presentation layer
What layer of the TCP/IP reference model is the
equivalent of the network layer in the OSI model?
Physical layer
Data link layer
Internet layer
Transport layer
Which of the following are examples of application
layer protocols in the TCP/IP reference model?
(Choose two.)
TCP
HTTP
BGP
FTP
What is the transport layer PDU called in the
TCP/IP reference model?
Data
Frame
Packet
Segment
What is the role of the Preamble field in the
Ethernet header?
It is used as padding data to ensure that the frame has at least the
minimum number of bytes for transmission.
It is used as padding data to ensure that the frame has 1500 bytes
for transmission.
It is used to ensure that the frame was transmitted without data
corruption.
It is used to synchronize the signal between the sender and receiver.
How many bits are in a MAC address?
24 bits
48 bits
32 bits
64 bits
What happens to a data frame for which a switch
doesn’t have the destination MAC address in its
switching table?
It gets discarded.
It gets transformed into a broadcast data frame.
It gets sent back to the sender as it cannot be switched.
It gets flooded out all the ports except the port on which it was
received.