Data Link Layer Quiz

Which layer is the data link layer in the OSI model from the bottom?

• 1st layer

• 2nd layer

• 3rd layer

• 4th layer

What is the main responsibility of the Data Link Layer?

• To store data

• To transfer the datagram across an individual link

• To create websites

• To manage user accounts

What is a 'node' in computer networks?

• A type of fruit

• An end host or router in a network

• A color

• A song

Why does the Data Link Layer use Medium Access Control?

• To determine which device has control over the link at any given time

• To play music

• To change the wallpaper

• To open files

Which type of link is shared between several pairs of devices?

• Broadcast link

• Point-to-point link

• Physical link

• Data link

When a packet is travelling, what is the responsibility of the data-link layer of a node?

• Delivering a datagram to the next node in the path

• Storing the datagram

• Printing the datagram

• Destroying the datagram

How is the datagram received by the data-link layer of the source host?

• Encapsulated in a frame

• Deleted from the frame

• Ignored by the frame

• Printed in a frame

Which two sublayers can the data-link layer be divided into?

• Data link control (DLC) and media access control (MAC)

• Physical and Network

• Application and Presentation

• Transport and Session

What does the media access control (MAC) sublayer deal with?

• Issues specific to broadcast links

• Issues common to both point-to-point and broadcast links

• Issues related to application layer

• Issues related to physical layer

What is the difference in the number of bits between an IP address and a MAC address?

• IP address: 32 bits, MAC address: 48 bits

• IP address: 48 bits, MAC address: 32 bits

• IP address: 16 bits, MAC address: 32 bits

• IP address: 64 bits, MAC address: 32 bits