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Free Huawei H31-311_V2.5 Practice Exam with Questions & Answers | Set: 5

Questions 41

Which of the following bridges are used to forward data based on the MAC address and VLAN ID carried in the data?

Options:
A.

8021a

B.

802.1d

C.

802.1q

D.

802.11from

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Questions 42

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

Options:
A.

Minimum transmission distance

B.

Maximum transmission distance

C.

How conflict detection works

D.

MAC address

Questions 43

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

Questions 44

Bait-doped fiber amplifiers (EDFAs) are a key component of the new generation of optical communication systems. Which of the following is the feature of EDFA? Multiple Choice) □

Options:
A.

High gain

B.

High output meritorious service

C.

Amplification of any wavelength

D.

Low noise index

Questions 45

A PAUSE frames use reserved multicast addresses and are not forwarded by bridges or switches. In this way, the PAUSE frame does not generate any additional information.

Options:
A.

True

B.

False

Questions 46

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

Questions 47

The rate of STM-0 is 51.84 Mbtt/s.

Options:
A.

TRUE

B.

FALSE

Questions 48

The frame structure of ODU4 is four times that of ODU1

Options:
A.

True

B.

False

Questions 49

The segment overhead of STM-4 is () bytes/frame.

Options:
A.

9*9*4

B.

9*8"4

C.

9*9*8

D.

9*8

Questions 50

The AAC address consists of 46 bits and is globally unique

Which of the following - is the meaning of the eighth-digit MAC address with 1?

Options:
A.

unicast address

B.

Double-click the address

C.

Multicast address

D.

Broadcast address