Quiz 23/Ago/23

The Ethernet duplex mode can be half-duplex or full-duplex. Full-duplex mode does not limit the transmission distance.

• True
• False

Which of the following technologies can be used to isolate data and provide port sharing and VCTRUNK sharing for EVPL services?

• VLAN ID
• QinQ technology
• MPLS label
• MAC address

Which of the following statements about full-duplex Ethernet is false?

• Data can be sent and received at the same time.
• The transmission rate increases greatly, and the maximum throughput is doubled.
• The maximum transmission distance is limited.
• The full-duplex mode solves the problem of collisions and eliminates the need for the CSMA/CD mechanism.

Which of the following statements about the Ethernet frame structure is false?

• The length of a standard Ethernet frame must be greater than or equal to 64 bytes.
• FCS: frame check sequence. The length is 4 bytes.
• SFD: frame start delimiter, which is used to inform the receive and that the next byte is the beginning of a frame.
• Frames with the "Type" field set to "0x0806" are IP frames.

Which of the following are the types of Ethernet ports on Layer 2 switching devices?

• Access

• Tag aware

• Hybrid

• Console

Which of the following are the types of destination MAC addresses in Ethernet frames?

• Multicast address

• Broadcast address

• Unicast address

• Bicast address

Which of the following are the types of Ethernet services?

• EPL

• EVPL

• EPLAN

• EVPLAN

Which of the following are contained in the 802.1q tag header?

• TPID

• TCI

• Type

• FCS

Transmitting test frames affects services.

• True

• False

Ethernet service OAM focuses on the maintenance of end-to-end Ethernet links. Ethernet port OAM focuses on the maintenance of point-to-point Ethernet links between two directly connected devices.

• True

• False