OSI model Question multiple choice

Routers operate at which layer of the OSI Model?
A) Physical
B) Network
C) Transport
D) MAC sublayer of the Data Link layer

Bits are packaged into frames at what layer of the OSI Model?
A) Presentation
B) Application
C) Physical
D) Data Link
E) Transport

Which of the following are benifits of using a layered network model?
A) It facilitates troubleshooting
B) It breaks the comples process of netorking into more managable chuncks
C) It allows layers developed by different vendors to interoperate.
D) All of the above

The layer of the OSI Model, from the top down are:
A) Physical, Data Link,Network, Transport, Session, Presentation, Application
B) Session, Presentation, Data Transport, MAC, Network, Physical
C) Application, Encryption, Network, Transport, Logical Link Control, Physical
D) Application, Presentation, Session, Transport, Network, Data Link, Physical

Which of the following operates at the Presentation layer?
A) FTP & HTTP
B) SMTP
C) UDP
D) MIDI & JPEG
E) All of the above

Which of the following are Transport layer protocols?
A) ATM
B) HTTP & FTP
C) TCP & UDP
D) CISC

Which of the following are considered to be the upper layer protocols?
A) Presentation & Session
B) Application & Presentation
C) Application, Presentation, & Session
D) Application
E) Application, Presentation, Session, & Transport

Flow control takes place at what layer?
A) Application
B) Network
C) Data Link
D) Physical
E) Transport

Encryption takes place at which layer?
A) Data Link
B) Physical
C) Presentation
D) Session
E) Application

The Network layer uses physical addresses to route the data to destination hosts.
A) Who Knows
B) True
C) False

Error detection & recovery takes place at what layer?
A) Network
B) Transport
C) Application
D) Presentation
E) Data Link

What layer establishes, maintains, & termenates communitions between applications located on different devices?
A) Application
B) Network
C) Session
D) Data Link
E) Transport

IP is implemented at which OSI Model layer?
A) Transport
B) Session
C) Network
D) Presentation
E) Data Link

Which layer handles the formatting of application data so that it will be readable by the destination system?
A) Application
B) Transport
C) Data Link
D) Network
E) Presentation

Packets are found at which layer of the OSI Model?
A) Network
B) Presentation
C) Data Link
D) Transport
E) Session

Which layer translates between the physical (MAC) & logical address?
A) Transport
B) Data Link
C) Application
D) Presentation
E) Network

What does OSI stand for?
A) Operating Standard Information
B) Organization Standards International
C) Operatin System Interconnection
D) Open Systems Interconnect
E) Open System Interface

Repeaters & hubs operate at whaich layer?
A) Data Link
B) Network
C) Presentation
D) Transport
E) Physical

Bit synchronization is handled at which layer of the OSI Model?
A) Network
B) Physical
C) Session
D) Data Link
E) Presentation

Most logical addresses are present in network interface cards at the factory?
A) No one knows
B) False
C) True

Bridges operate at which layer of the OSI Model?
A) Physical
B) Network
C) Presentation
D) Transport
E) Data Link

What are the sublayers of the Data Link layer?
A) WAN & LAN
B) MAC & LLC
C) Mac address
D) MAC & IPX
E) hardware & frame

Which layer translates between physical & logical addresses?
A) the MAC sublayer of the Data Link layer
B) Presentation
C) Network
D) Physical
E) Transport

Which layer is responsible for packet sequencing, acknowledgements, & requests for retransmission?
A) Network
B) Data Link
C) Session
D) Presentation
E) Transport