Ethernet Switching
What is the special value assigned to the first 24 bits of a multicast MAC address transporting an IPv4 packet?
01-00-5E
Which two functions or operations are performed by the MAC sublayer? (two)
1. It is responsible for Media Access Control 2. It adds a header and trailer to form an OSI Layer 2 PDU
Which two characteristics describe Ethernet technology? (two)
1. It is supported by IEEE 802.3 standards. 2. It uses unique MAC addresses to ensure that data is sent to the appropriate destination.
What are the two sizes (minimum and expected maximum) of an Ethernet frame?
64 bytes - 1518 bytes
What is auto-MDIX?
A feature that detects Ethernet cable type
Which function or operation is performed by the LLC sublayer?
It communicates with upper protocol layers.
What will a host on an Ethernet network do if it receives a frame with a unicast destination MAC address that does not match its own MAC address?
It will discard the frame.
Which network device has the primary function to send data to a specific destination based on the information found in the MAC address table?
Switch
Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
Switch
Which statement is true about MAC addresses?
The first three bytes are used by the vendor assigned OUI.
What happens to runt frames received by a Cisco Ethernet switch?
The frame is dropped
What addressing information is recorded by a switch to build its MAC address table?
The source Layer 2 address of incoming frames
What statement describes a characteristic of MAC addresses?
They must be globally unique.
What type of address is 01-00-5E-0A-00-02?
an address that reaches a specific group of hosts
