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OSI LAYERS
PRACTICE TEST
1. A NIC works at the Data Link
layer.
True False
2. What OSI layer encodes and converts
user information into binary data.
Provides protocol conversion,
encryption, and compression ?
Application
Presentation
Session
Transport
Network
Data Link
3. Redirectors operate at what layer ?
Application
Presentation
Transport
Network
Data Link
Physical
4. A Gateway works at the Application,
Presentation, Session, and Transport
layers.
True False
5. What layer handles data frames
between the Network and Physical layers
?
Presentation
Session
Transport
Network
Data Link
Physical
6. What OSI layer translates logical
network address and names to their
physical address ?
Application
Presentation
Session
Transport
Network
Data Link
7. What OSI layer manages who can
transmit data at a certain time and for
how long ?
Application
Presentation
Session
Transport
Network
Data Link
8. Opens manages, and closes
conversations between two computers,
also performs name recognition and
functions such as security, this
describes what layer ?
Application
Presentation
Session
Transport
Network
Data Link
9. Which layer do Repeaters, Hubs,
Transceivers, and Amplifiers operate ?
Application
Session
Transport
Network
Data Link
Physical
10. The Data Link layer is really two
seperate layers what are they ?
Frame Access Control and Logical Link
Control
Logical Link Control and Media Access
Control
Link Control and Access Control
Data Link Control and Network Access
Control
11. A Bridge, and Switch work at what
layer ?
Application
Presentation
Session
Network
Data Link
Physical
12. TCP, and SPX operate at what layer ?
Presentation
Session
Transport
Network
Data Link
Physical
13. Gateway, Advanced Cable Tester, and
Brouter all work at what layer ?
Application
Presentation
Session
Transport
Network
Physical
14. DNS, FTP, SNMP, SMTP, and TELNET are
all protocols that use what layer ?
Application
Session
Transport
Network
Data Link
Physical
15. A repeater works at the physical and
network layers.
True False
16. NetBEUI operates at both the Network
and Transport.
True False
17. OSI layer that defines cables, NIC
cards ?
Presentation
Session
Application
Physical
Network
Transport
18. Defines cabling and connections.
Presentation
Session
Transport
Network
Data Link
Physical
19. This layer represents the services,
that directly support the user
applications such as software for file
transfers, database access, and e-mail.
Application
Session
Transport
Network
Data Link
Physical
20. IP, and IPX operate at what layer ?
Application
Presentation
Session
Transport
Network
Data Link
ANSWERS
OSI Layers Quiz
1. A NIC works at the Data Link layer.
True False
Correct answer: True
2. What OSI layer encodes and converts
user information into binary data.
Provides protocol conversion,
encryption, and compression ?
Application
Presentation
Session
Transport
Network
Data Link
Correct answer: Presentation
3. Redirectors operate at what layer ?
Application
Presentation
Transport
Network
Data Link
Physical
Correct answer: Presentation
4. A Gateway works at the Application,
Presentation, Session, and Transport
layers.
True False
Correct answer: True
5. What layer handles data frames
between the Network and Physical layers
?
Presentation
Session
Transport
Network
Data Link
Physical
Correct answer: Data Link
6. What OSI layer translates logical
network address and names to their
physical address ?
Application
Presentation
Session
Transport
Network
Data Link
Correct answer: Network
7. What OSI layer manages who can
transmit data at a certain time and for
how long ?
Application
Presentation
Session
Transport
Network
Data Link
Correct answer: Session
8. Opens manages, and closes
conversations between two computers,
also performs name recognition and
functions such as security, this
describes what layer ?
Application
Presentation
Session
Transport
Network
Data Link
Correct answer: Session
9. Which layer do Repeaters, Hubs,
Transceivers, and Amplifiers operate ?
Application
Session
Transport
Network
Data Link
Physical
Correct answer: Physical
10. The Data Link layer is really two
seperate layers what are they ?
Frame Access Control and Logical Link
Control
Logical Link Control and Media Access
Control
Link Control and Access Control
Data Link Control and Network Access
Control
Correct answer: Logical Link Control and
Media Access Control
11. A Bridge, and Switch work at what
layer ?
Application
Presentation
Session
Network
Data Link
Physical
Correct answer: Data Link
12. TCP, and SPX operate at what layer ?
Presentation
Session
Transport
Network
Data Link
Physical
Correct answer: Transport
13. Gateway, Advanced Cable Tester, and
Brouter all work at what layer ?
Application
Presentation
Session
Transport
Network
Physical
Correct answer: Transport
14. DNS, FTP, SNMP, SMTP, and TELNET are
all protocols that use what layer ?
Application
Session
Transport
Network
Data Link
Physical
Correct answer: Application
15. A repeater works at the physical and
network layers.
True False
Correct answer: False
16. NetBEUI operates at both the Network
and Transport.
True False
Correct answer: True
17. OSI layer that defines cables, NIC
cards ?
Presentation
Session
Application
Physical
Network
Transport
Correct answer: Physical
18. Defines cabling and connections.
Presentation
Session
Transport
Network
Data Link
Physical
Correct answer: Physical
19. This layer represents the services,
that directly support the user
applications such as software for file
transfers, database access, and e-mail.
Application
Session
Transport
Network
Data Link
Physical
Correct answer: Application
20. IP, and IPX operate at what layer ?
Application
Presentation
Session
Transport
Network
Data Link
Correct answer: Network
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