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Huawei H35-260 Practice Test - Questions Answers, Page 17

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Which of the following is incorrect about the job description of a hub?

A.
HU is a physical layer device
A.
HU is a physical layer device
Answers
B.
HUB. is the data link layer device
B.
HUB. is the data link layer device
Answers
C.
HUB connects multiple terminal devices together to form a star network through ports
C.
HUB connects multiple terminal devices together to form a star network through ports
Answers
D.
The shared bus technology is used inside the HUB device, and the CSMA/CD technology is used for interaction
D.
The shared bus technology is used inside the HUB device, and the CSMA/CD technology is used for interaction
Answers
Suggested answer: B

Which of the following statements about switches and how they work is correct?

A.
The network managed by the switch belongs to a broadcast domain
A.
The network managed by the switch belongs to a broadcast domain
Answers
B.
Learning based on the source MAC address and forwarding based on the destination MAC address
B.
Learning based on the source MAC address and forwarding based on the destination MAC address
Answers
C.
Use the address aging mechanism to maintain the MAC address table
C.
Use the address aging mechanism to maintain the MAC address table
Answers
D.
When the destination MAC in the received Ethernet frame is not in its own address table, broadcast the frame to all ports
D.
When the destination MAC in the received Ethernet frame is not in its own address table, broadcast the frame to all ports
Answers
Suggested answer: A, B, C

Which of the following statements about the internal port attributes of an Ethernet board is incorrect?

A.
For the ingress port of the Tag Aware attribute: if the input data has a VLAN ID, the received data will be transparently transmitted
A.
For the ingress port of the Tag Aware attribute: if the input data has a VLAN ID, the received data will be transparently transmitted
Answers
B.
For the ingress port of the Tag Aware attribute: if the input data does not have a VLAN ID, discard it
B.
For the ingress port of the Tag Aware attribute: if the input data does not have a VLAN ID, discard it
Answers
C.
For the ingress port of the Access attribute: if the input data does not have a VLAN ID, it will be transparently transmitted directly
C.
For the ingress port of the Access attribute: if the input data does not have a VLAN ID, it will be transparently transmitted directly
Answers
D.
Ingress to the Access attribute: if the input data has a VLAN ID, discard the
D.
Ingress to the Access attribute: if the input data has a VLAN ID, discard the
Answers
Suggested answer: C

Which of the following signals is sent back to the sender by the receiver?

A.
AIS
A.
AIS
Answers
B.
LCK
B.
LCK
Answers
C.
IAE
C.
IAE
Answers
D.
BDI
D.
BDI
Answers
Suggested answer: D

Which of the following options is not the reason for the R-LOS alarm?

A.
Broken fiber
A.
Broken fiber
Answers
B.
Excessive line attenuation
B.
Excessive line attenuation
Answers
C.
The laser at the transceiver end is damaged
C.
The laser at the transceiver end is damaged
Answers
D.
Frame failure
D.
Frame failure
Answers
Suggested answer: D

Which of the following layers of overhead belong to the electrical layer overhead of OTN

A.
OPUK
A.
OPUK
Answers
B.
ODUK
B.
ODUK
Answers
C.
OCH
C.
OCH
Answers
D.
OTUK
D.
OTUK
Answers
Suggested answer: A, B, D

Which of the following detection methods can locate the fault point of LSP?

A.
MPLS Pin A.
A.
MPLS Pin A.
Answers
B.
CC
B.
CC
Answers
C.
LT
C.
LT
Answers
D.
MPLS Tracert
D.
MPLS Tracert
Answers
Suggested answer: C, D

Which of the following paths can be configured on the network management?

A.
OMS
A.
OMS
Answers
B.
CLIENT
B.
CLIENT
Answers
C.
ODUK
C.
ODUK
Answers
D.
OCH
D.
OCH
Answers
Suggested answer: B, C, D

Which of the following conditions can cause the board to insert the BDI maintenance signal back to the upstream site?

A.
The board reports R_LOS
A.
The board reports R_LOS
Answers
B.
The board reports 0TU2_DEG
B.
The board reports 0TU2_DEG
Answers
C.
The board reports 0TU2_L0F
C.
The board reports 0TU2_L0F
Answers
D.
0DU2_PM_LCK
D.
0DU2_PM_LCK
Answers
Suggested answer: A, C, D

Which of the following reasons may cause bit errors in the business?

A.
The dispersion compensation is unreasonable, such as under-compensation or over-compensation
A.
The dispersion compensation is unreasonable, such as under-compensation or over-compensation
Answers
B.
The optical power of the incoming fiber is too high or too low
B.
The optical power of the incoming fiber is too high or too low
Answers
C.
The performance of the transmitting laser of the OTU board at the originating end deteriorates
C.
The performance of the transmitting laser of the OTU board at the originating end deteriorates
Answers
D.
The pigtail connector is seriously polluted
D.
The pigtail connector is seriously polluted
Answers
E.
OSC board failure
E.
OSC board failure
Answers
Suggested answer: A, B, C, D
Total 338 questions
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