OSI Layers - Answer Sheet
Posted February 21st, 2007 by admin
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