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Huawei H31-311_V2.5 Dumps

HCIA-Transmission V2.5 Questions and Answers

Question 1

OSN1500/2500/3500/7500 supports DC and AC power inputs.

Options:

A.

True

B.

False

Question 2

According to ITU-T's recommendations, the requirement that the MSP switching time should be within 50ms is conditional. For example, the number of net elements on the entire ring network is less than 16.

Options:

A.

True

B.

False

Question 3

For (on-premises) HA solutions where active and standby servers are deployed in the same location, which of the following platforms can be deployed? (Multiple choice).

Options:

A.

Windows

B.

Solaris

C.

SuSE Linux

D.

All of the above

Question 4

Which of the following is the default WTR time for MSP switching?

Options:

A.

6 min

B.

10 minutes

C.

12 min

D.

15 minutes

Question 5

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

Options:

A.

True

B.

Error

Question 6

Which of the following layers define the protocols that control the network layer? The protocol for this layer applies to logical links, i.e. end-to-end connectivity between two devices.

Options:

A.

Network layer

B.

Data link layer

C.

Transport Layer

D.

Application layer

Question 7

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

Options:

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 8

Optical module parameter "L-64.2" in "2" indicates which of the following working windows?

Options:

A.

880 nm

B.

1310 nm

C.

1550nm

D.

1610nm

Question 9

When the U2000 is synchronized, the same network metadata as the U2000 is not uploaded to the U2000, and the data that exists on the U200 but does not exist on the network element is deleted.

Options:

A.

True

B.

False

Question 10

Which of the following logic function blocks are involved in processing clock signals? (Multiple choice).

Options:

A.

SPl

B.

RST

C.

MCF

D.

SETS

Question 11

For alignment; Indicates the starting position of VC-n in the corresponding AU or TU frame. • This way: The receiver can correctly remove the corresponding VC from STM-N, and then The VC and C packages are separated into separate low-rate signals, such as PDH, which means that the low-rate path signal can be dropped directly from the STM-N signal.

Options:

A.

True

B.

Error

Question 12

Frame-Mapped GFP (GFPF> is a processing mode that targets data encoding blocks such as Fibre Channel and ESCON.

Options:

A.

True

B.

False

Question 13

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

Options:

A.

True

B.

False

Question 14

In WDM systems, it is ideal to use a dielectric thin problem filter (TFF) when using less than () wavelengths.

Options:

A.

4

B.

8

C.

16

D.

20

Question 15

Which of the following is the feature of TCM overhead in ODUk signals?

Options:

A.

Channel oversight fees

B.

Path trace identifier overhead

C.

In-line connection monitoring overhead

D.

General communications and communication overhead

Question 16

Which of the following alerts does not trigger an AU-AIS alert?

Options:

A.

R-LOS

B.

MS-AIS

C.

AU-LOP

D.

B2-ExC

Question 17

The number of bit error blocks on each VC4 channel is detected by B3 on the receiving side. At the same time, the information is sent back to the sender via Q, and HP-REI and HP-FEBBE report on the sender.

Options:

A.

K3 (b1-b4)

B.

G1 (b5-b8)

C.

G1 (b1-b4)

D.

J(bt-4)

Question 18

For MSPs, you need to set the MSP protocol ID for each NE. To ensure that each ID is unique, it is recommended to set the MSP protocol ID to the value that is compatible with the network element ID.

Options:

A.

True

B.

False

Question 19

When using a script to back up U2000 data, the backup speed is fast because the backup file is small.

Options:

A.

True

B.

False

Question 20

Linear MSP (LMSP) has two modes: 1+1 and 1:1. Additional services can only be configured for the protection channel in 1:1 mode of the LMSP.

Options:

A.

True

B.

Error

Question 21

Which of the following communication protocols are used for DCN management of Huawei devices? (Multiple choice).

Options:

A.

HWECC

B.

TCP/IP

C.

FTP

D.

OSl

Question 22

Which of the following statements about the MST functional module is correct? (Multiple choice).

Options:

A.

MST is both the source and sink of MS. .

B.

MST implements BIP-8 statistical computation of B2 bytes.

C.

MST returns bit error messages, but does not return a specific number of bit errors

D.

MST provides an E20 orderwire channel. .

Question 23

MSP is a network-level protection scheme. MSF does not directly protect services, and MSP switching and recovery are not affected even if there is no service on the MSP ring.

Options:

A.

True

B.

Error

Question 24

On a Layer 2 switching device, if the Ethernet port is an Access port, the port can only receive Ethernet frames without a VLAN tag or Ethernet frames with the same VLAN ID as the default VLAN ID of the port.

Options:

A.

True

B.

False

Question 25

In the SDH optical synchronous transmission system, which of the following bytes is used to transmit the quality and weight and usage information of the clock source?

Options:

A.

G1

B.

S1

C.

N1

D.

M1

Question 26

Which of the following statements regarding the protection of the cross-connecting plate 1+1 is correct? (Multiple choice).

Options:

A.

The source business board sends services to the main and standby crossover boards. .

B.

After the service cross-connection is completed, the active and standby cross-board sends the data of the primary cross-board to the receiving service board.

C.

The receiving service board can only receive data from the active cross-link board

D.

The bus of the two cross-connected modules works independently and does not interfere with each other. .

E.

Dual bus system structure indicates that the service board performs dual data transfer to the cross-connection side and selectively receives data on the cross-connection side. .

F.

Both cross-connecting plates have the same configuration. The service board will selectively receive services from one of them based on the quality of service and the status of the cross-connecting board. .

Question 27

Which of the following technologies is the main difference between an open DWDM system and an integrated DWDM system?

Options:

A.

Wavelength conversion techniques

B.

Optical release technology

C.

Multiplexing/multiplexing technique

D.

Optical supervision technology

Question 28

The index is used to folio and delineate the starting position of VC-n in the corresponding AU or TU frame so that the receiving end can correctly remove the corresponding VC from the STM-N The VC and C packages are then separated into separate low-rate signals, such as PDH That is; Low-rate branch signals can be discarded directly from the STM-N signal

Options:

A.

True

B.

Error

Question 29

Which of the following is not the advantage of WDM?

Options:

A.

Large capacity and transparent data transfer

B.

Easy to upgrade and maximize protection for existing investments

C.

gold replacement for SDH equipment

D.

Future compatible with all optical switching networks