Huawei h31-311-v2-5 practice test

Question 1

When performing fiber cut-off test on an ordinary MSP ring, which of the following alarms will be
reported? (Multiple choice).

• A. YOU-AIS
• B. R-LOS
• C. APSJNDl
• D. BD

Question 2

When the bridge uses IVL learning mode, an entry in the MAC address table is created based on the
source MAC address and source port of the teach frame. This entry applies to all VLANs

• A. True
• B. False

Question 3

Compared with dense wavelength division multiplexing (DWDM) systems, crude glass division
multiplexing (CWDM) systems provide a certain amount of glass length and transmission distance
within (kmkm), which greatly reduces system cost and has strong flexibility

• A. 50
• B. 100
• C. 200
• D. 20

Question 4

If you group SNCP services with the same source, sink, or route, you can increase the SNCP switching
speed

• A. True
• B. False

Question 5

The standard Ethernet frame length should not be less than 64 bytes Which of the following factors
contribute to this limitation? (Multiple choice).

• A. Minimum transmission distance
• B. Maximum transmission distance
• C. How conflict detection works
• D. MAC address

Question 6

The device IP address of the gateway element and the non-gateway element must be set in the
same network segment.

• A. True
• B. False

Question 7

Which of the following are the service board types for MSTP devices? (Multiple choice).

• A. Interface board
• B. Service processing board
• C. Service processing board with interface
• D. Auxiliary board

Question 8

When using the LCAS function, which of the following overhead bytes is used to transmit control
information? (Multiple Choices)

• A. M1
• B. H4
• C. K2
• D. K4

Question 9

Which of the following is the electrical layer cost of OTN? (Multiple choice).

• A. OPUk
• B. ODUk
• C. och
• D. OTUR

Question 10

The working mode of the port determines the flow control mode of the port.
When the operating mode is 100Mbit/s full duplex, one of the following flow control modes can be
used

• A. Auto-negotiation flow control mode
• B. Non-autonegotiation flow control mode
• C. Both
• D. None of the above

Question 11

When configuring the SXCS single board for the OSN3500, which of the following is the access
package of the fully configured substand?

• A. 35G B.58.75G
• C. 80G
• D. 156 to pick up the answer

Question 12

When configuring LMSP, there are two switching modes: single-ended switching and double-ended
switching. Single-ended switching does not require the protection protocol to be enabled.

• A. True
• B. False

Question 13

Which of the following statements about the OTM-n .m and OTMnr .m for OTN are incorrect?

• A. n represents the number of wavelengths carried by the maximum capacity
• B. m indicates the rate. The value can be 1, 2, or 3. .
• C. r represents OTM., which does not have OSC capabilities
• D. OTM-nr .m with OSC signal is OTM-n.m.

Question 14

Which of the following statements regarding multiplexing partial remote False indication (MS-REI) is
correct?
(1) B2 bytes indicate the transmission channel.
(2) The M1 byte represents the transmission channel
(3) THE MS-REl is sent from the receiver to the source.
(4) MS-REI is transmitted from the source to the receiver.
(5) Indicates the number of bit Falses detected by the receiver after receiving the MS signal.
①④⑤
②④⑤
A.
①③⑤
B.
C.
D. (2) (3) (5)

Question 15

Which of the following is the frame indicated by the VC-4 J1 byte by the AU pointer of the current
frame?

• A. Current framework
• B. Next frame
• C. Previous frame
• D. None of the above