Module 7 - Ethernet Switching

Module 7 - Ethernet Switching

Multiple Choice

Which statement describes the logical link control sublayer in Ethernet standards?

• Logical link control is specified in the IEEE 802.3 standard.

• The LLC sublayer adds a header and a trailer to the data.

• Logical link control is implemented in software to communicate with the upper layers of the protocol suite.

• The LLC sublayer is responsible for the placement and retrieval of frames on and off the media.

Multiple Choice

Which of the following is a function of the MAC sublayer?

• It is responsible for Media Access Control.

• It handles communication between upper and lower layers.

• It performs the function of NIC driver software.

• It adds control information to network protocol layer data.

Multiple Choice

Header of a frame generally contains ______________

• synchronization bytes
• addresses
• frame identifier
• all of the mentioned

Multiple Choice

The data link layer takes the packets from _________ and encapsulates them into frames for transmission.

• network layer
• physical layer
• transport layer
• application layer

Multiple Choice

What type of MAC address is 01-00-5E-00-00-C8?

• A unicast MAC address.

• A broadcast MAC address.

• A multicast MAC address.

• A supercast MAC address.

Multiple Choice

Which statement is true about MAC addresses?

• MAC addresses are implemented by software.

• A NIC only needs a MAC address if connected to a WAN.

• The first three bytes are used by the vendor assigned OUI.

• The ISO is responsible for MAC addresses regulations.

Multiple Choice

What statement describes a characteristic of MAC addresses?

• They are only routable within the private network.

• They are added as part of a Layer 3 PDU.

• Each interface must be globally unique.

• They have a 32-bit binary value.