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Huawei H35-260 Practice Test - Questions Answers, Page 8

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VLANs are used to isolate Layer 2 broadcast domains. Which of the descriptions of VLANs are correct?

A.
VLAN technology follows IEEE802.1Q standard
A.
VLAN technology follows IEEE802.1Q standard
Answers
B.
The VLANID of the school uniform is 12 bits in total, and the value range of the configurable VLAN ID is 0-4095
B.
The VLANID of the school uniform is 12 bits in total, and the value range of the configurable VLAN ID is 0-4095
Answers
C.
The value of TPID is 0x8100, which can be changed and can be set arbitrarily without affecting the business
C.
The value of TPID is 0x8100, which can be changed and can be set arbitrarily without affecting the business
Answers
D.
The priority field in vlan has a total of 3 bits. The priority value is 0-7. The higher the value, the higher the priority.
D.
The priority field in vlan has a total of 3 bits. The priority value is 0-7. The higher the value, the higher the priority.
Answers
Suggested answer: A, D

In the VPLS service, which parameter is the data forwarding based on?

A.
Destination IP
A.
Destination IP
Answers
B.
Source IP
B.
Source IP
Answers
C.
Destination MAC.
C.
Destination MAC.
Answers
D.
Source MAC
D.
Source MAC
Answers
Suggested answer: C

In the field record of VRRP technology used in PTN network, what factors are included in the final election result of VRRP Master?

A.
Priority
A.
Priority
Answers
B.
Port MAC address
B.
Port MAC address
Answers
C.
Preemptive Mode
C.
Preemptive Mode
Answers
D.
VRRP group ID
D.
VRRP group ID
Answers
Suggested answer: A, C

Which items belong to the optical layer path in the path hierarchy of the WDM network?

A.
OTS
A.
OTS
Answers
B.
OMS
B.
OMS
Answers
C.
OCH
C.
OCH
Answers
D.
OTU
D.
OTU
Answers
Suggested answer: A, B, C

If both OA and OSC report optical loss alarms in WDM network, what is the most likely cause?

A.
Deterioration of single line fiber
A.
Deterioration of single line fiber
Answers
B.
Bidirectional Deterioration of Line Fiber
B.
Bidirectional Deterioration of Line Fiber
Answers
C.
Line fiber single interruption
C.
Line fiber single interruption
Answers
D.
Two-way interruption of line fiber
D.
Two-way interruption of line fiber
Answers
Suggested answer: D

According to the deployment plan of the existing network, which protocol does not need to be deployed for the interconnection between PTN equipment and SGW

A.
IP/VPN Hybrid FRR
A.
IP/VPN Hybrid FRR
Answers
B.
BFD
B.
BFD
Answers
C.
VRRP
C.
VRRP
Answers
D.
ETH-Trunk
D.
ETH-Trunk
Answers
Suggested answer: C

There are five trigger conditions for the execution of protection switching. According to the priority of the trigger conditions, they are arranged from high to low. Which of the following is correct?

A.
Locked Switching>Forced Switching>Clear Switching>Automatic Switching>Manual Switching
A.
Locked Switching>Forced Switching>Clear Switching>Automatic Switching>Manual Switching
Answers
B.
Clear Switching > Lock Switching > Forced Switching > Automatic Switching > Manual Switching
B.
Clear Switching > Lock Switching > Forced Switching > Automatic Switching > Manual Switching
Answers
C.
Locked Switching>Clear Switching>Forced Switching>Automatic Switching>Manual Switching
C.
Locked Switching>Clear Switching>Forced Switching>Automatic Switching>Manual Switching
Answers
D.
Clear Switching > Forced Switching > Locked Switching > Manual Switching > Automatic Switching
D.
Clear Switching > Forced Switching > Locked Switching > Manual Switching > Automatic Switching
Answers
Suggested answer: B

The pump laser is the energy source of the EDFA, and its function is to provide energy for the amplification of the optical signal. Which of the following wavelengths can be used as the output wavelength of the pump source in the EDFA structure?

A.
980nm
A.
980nm
Answers
B.
1510nm
B.
1510nm
Answers
C.
1480nm
C.
1480nm
Answers
D.
1310nm
D.
1310nm
Answers
Suggested answer: A, C

Standard Ethernet frame length should not be less than 64 bytes. Which of the following factors would cause this limitation?

A.
Minimum transmission distance
A.
Minimum transmission distance
Answers
B.
Maximum transmission distance
B.
Maximum transmission distance
Answers
C.
Working Mechanism of Conflict Detection
C.
Working Mechanism of Conflict Detection
Answers
D.
MAC address
D.
MAC address
Answers
Suggested answer: B, C

After a certain distance transmission in the wavelength division system, the optical signal-to-noise ratio of the signal at the receiving end will decrease to a certain extent. The main reason is which of the following?

A.
Use of EDFA
A.
Use of EDFA
Answers
B.
Use of demultiplexer
B.
Use of demultiplexer
Answers
C.
No new fiber is used
C.
No new fiber is used
Answers
D.
Fiber attenuation is too large
D.
Fiber attenuation is too large
Answers
Suggested answer: A
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