WorksheetsQuiz 23/Ago/23
Total questions: 10
Worksheet time: 20mins
Name
Class
Date
1.
The Ethernet duplex mode can be half-duplex or full-duplex. Full-duplex mode does not limit the transmission distance.
a)
True
b)
False
2.
Which of the following technologies can be used to isolate data and provide port sharing and VCTRUNK sharing for EVPL services?
a)
VLAN ID
b)
QinQ technology
c)
MPLS label
d)
MAC address
3.
Which of the following statements about full-duplex Ethernet is false?
a)
Data can be sent and received at the same time.
b)
The transmission rate increases greatly, and the maximum throughput is doubled.
c)
The maximum transmission distance is limited.
d)
The full-duplex mode solves the problem of collisions and eliminates the need for the CSMA/CD mechanism.
4.
Which of the following statements about the Ethernet frame structure is false?
a)
The length of a standard Ethernet frame must be greater than or equal to 64 bytes.
b)
FCS: frame check sequence. The length is 4 bytes.
c)
SFD: frame start delimiter, which is used to inform the receive and that the next byte is the beginning of a frame.
d)
Frames with the "Type" field set to "0x0806" are IP frames.
5.
Which of the following are the types of Ethernet ports on Layer 2 switching devices?
a)
Access
b)
Tag aware
c)
Hybrid
d)
Console
6.
Which of the following are the types of destination MAC addresses in Ethernet frames?
a)
Multicast address
b)
Broadcast address
c)
Unicast address
d)
Bicast address
7.
Which of the following are the types of Ethernet services?
a)
EPL
b)
EVPL
c)
EPLAN
d)
EVPLAN
8.
Which of the following are contained in the 802.1q tag header?
a)
TPID
b)
TCI
c)
Type
d)
FCS
9.
Transmitting test frames affects services.
a)
True
b)
False
10.
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.
a)
True
b)
False
100 %
