CCNA - ITN - 6.1.5

What is another name for the OSI data link layer?

• Layer 1

• Layer 2

• Layer 3

• Layer 6

The IEEE 802 LAN/MAN data link layer consists of which two sublayers? (Choose two.)

• Network Control Protocol

• Logical Link Control

• Media Access Control

• Link Control Protocol

What is the responsibility of the MAC sublayer?

• Adds Layer 3 addresses to the frame

• Communicates with the network layer (Layer 3)

• Provides the method to get the frame on and off the media

• Transmits the bits on the media

What Layer 2 function does a router perform? (Choose three.)

• Accepts a frame from a medium

• De-encapsulates the frames

• Refers to its Layer 3 routing table for a matching destination network

• Re-encapsulates the packet into a new frame

The media access control method used depends on which two criteria?

• Layer 3 IP Protocol

• Media sharing

• Topology

• Transport layer protocol

• Type of data

Which organization defines standards for the network access layer (i.e., the OSI physical and data link layers)?

• Cisco

• IANA

• IEEE

• IETF