ITN Module 6 Quiz -- Data Link Layer

Which layer is the OSI data link layer?

• L2
• L7
• L6
• L5
• L4

What are the 2 data link layer sublayers?

• Network Control Protocol
• Logical Link Control
• Media Access Control
• Link Control Protocol

What is the responsibility of the MAC sublayer?

• Provide L3 addressing information to the Type field
• Provide a method to get the frame on and off the media
• Provide sequence numbers to track segments
• Provide routing information to deliver a frame

What L2 function does a router perform?

• accepts a frame from media
• de-encapsulates the frame
• puts the frame on and off the media
• encapsulates the packet into a new frame
• performs error checking

Which type of topology displays IP addresses?

• logical
• physical
• ring
• star
• bus

Which LAN topology is considered a hybrid?

• extended star
• physical
• logical
• ring
• star

Which physical topology requires that every node is attached to every other node on the network?

• mesh
• physical
• logical
• ring
• star

What type of physical topology can be created by connecting all Ethernet cables to a central device?

• star
• physical
• logical
• ring
• bus

Which type of network would use point-to-point, hub and spoke, or mesh topologies?

• WLAN
• LAN
• PAN
• WAN
• SAN

Which communication method is used in WLANs?

• full duplex
• half duplex
• simplex