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WorksheetsOSI MODEL QUIZ
Total questions: 25
Worksheet time: 19mins
Routers operate at which layer of the OSI model?
physical
transport
network
MAC sublayer of the data link layer
session
Bits are packaged into frames at which layer of the OSI model?
data link
transport
physical
presentation
application
Which of the following are benefits of using a layered network model?
A . it specifies how changes to one layer must be propagated through the other layers
B . it facilitates troubleshooting
C . it focuses on details rather than general functions of networking
D . it breaks the complex process of networking into more manageable chunks
E . it allows layers developed by different vendors to interoperate.
A and B only
B, D, and E
A and C only
none of the above
all of the above
The layers of the OSI model, from the top down, are:
application, presentation, session, transport, network, data link, physical
session, presentation, data transport, MAC, network, physical
physical, data link, network, transport, session, presentation, application
presentation, application, session, network, transport, data link, physical
application, encryption, network, transport, logical link control, physical
Which of the following operate at the presentation layer?
A . MIDI
B . FTP
C . SMTP
D . TFTP
E . JPEG
A and B
A, C, and E
C and E
A and E
none of the above
Which of the following are transport layer protocols?
TCP and UDP
IP
FTAM
IP and TFTP
TFTP
Which of the following are considered to be the upper layer protocols?
presentation and session
application and presentation
application, presentation, and session
application, presentation, session, and transport
application
Flow control takes place at which layer?
physical
transport
network
MAC sublayer of the data link layer
session
Encryption takes place at which layer?
application
presentation
session
transport
data link
True or False: The network layer uses physical addresses to route data to destination hosts.
True
False
Error detection and recovery takes place at which layer?
transport
presentation
data link
application
network
Which layer establishes, maintains, and terminates communications between applications located on different devices?
application
presentation
session
network
data link
IP is implemented at which OSI model layer?
transport
session
data link
network
logical link control
Which layer handles the formatting of application data so that it will be readable by the destination system?
application
presentation
session
transport
data link
Which of the following are presentation layer standards?
(choose the best answer)
A. MIDI
B. TIFF
C. JPEG
D. MPEG
E. GIF
C and D
B, C, and E
B, C, D, and E
A only
all of the above
Packets are found at which layer?
data link
transport
network
session
physical
Which layer translates between physical (MAC) and logical addresses?
network
data link
transport
physical
session
What does OSI stand for?
International Standards Organization
Open Systems Interconnect
Operating Standard Information
Operating System Interconnection
Open Systems Interface
Repeaters and hubs operate at which layer?
network
data link
transport
physical
session
Bit synchronization is handled at which layer?
data link
session
transport
presentation
physical
True or False: most logical addresses are preset in network interface cards at the factory
True
False
Bridges operate at which layer of the OSI model?
physical
data link
transport
network
session
What are the sublayers of the data link layer?
MAC and IPX
hardware and frame
MAC and LLC
WAN and LAN
TFTP and telnet
Which layer translates between physical and logical addresses?
the MAC sublayer of the data link layer
transport
physical
application
network
Which layer is responsible for packet sequencing, acknowledgments, and requests for retransmission?
The MAC sublayer of the data link layer
transport
physical
application
network
