4A0-100 Certification Exam Questions with AI Explanations

How is Ethernet II different from Ethernet 802.3?

Ethernet 802.3 can only be used on point-to-point links, while Ethernet II can be used on broadcast networks.
In Ethernet II the 2 bytes after the source MAC address is used as a type indicator. In Ethernet 802.3 these two bytes indicate the length of the frame.
In Ethernet 802.3, the 2 bytes after the source MAC address is used as a type indicator. In Ethernet II these two bytes indicate the length of the frame.
Ethernet II and Ethernet 802.3 are two different names for the same protocol

Answer(s): B

In MAC Address 00-20-60-CE-2B-28, which part is the Organizationally Unique Identifier (OUI)?

Answer(s): D

Which of the following type of addressing scheme delivers information from one source to all devices who are members of a specific group?

Answer(s): B

Which of the following is true of Ethernet half-duplex transmission?

Answer(s): B

What is the meaning of carrier sense in the CSMA/CD algorithm?

The host will retransmit the frame if it detects a collision during transmission.
The host is able to detect the transmission speed of the Ethernet switch port to which the host is connected.
The host will only transmit data when it detects that no other devices are transmitting.
The host will only transmit upon a timer expiry.
The host will only transmit when it receives the token.

Answer(s): C

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