Huawei H31-311 Exam Practice Test Instant Access

Question 1

LCK insertion has priority over AIS insertion. That is, if a user configures LCK insertion and the conditions of automatic AIS insertion are met, LCK is inserted.

ATRUE

BFALSE

Answer : A

Question 2

Which of the following is the meaning of SFD in the Ethernet frame structure?

APreamble

BFrame check sequence

CStart frame delimiter

DPayload

Answer : C

Question 3

An optical amplifier unit compensates for line loss and extends transmission distance. Connecting multiple optical amplifier units in cascading mode can infinitely extend transmission distance of a system.

ATRUE

BFALSE

Answer : B

Question 4

Forced switching, fiber cut switching, manual switching, and exercise switching are in the descending order of priority.

ATRUE

BFALSE

Answer : A

Question 5

Which of the following overheads is not an ODUk overhead?

APM

BTCM

CNJO

DAPS/PCC

Answer : C

Question 6

Which of the following is not the advantage of WDM?

AUltra-large capacity and transparent data transmission

BEasy to upgrade and maximizing the protection for existing investments

CCompletely substituting for SDH devices

DCompatible with all optical switching networks in the future

Answer : C

Question 7

Which of the following is not a condition for triggering multiplex section protection (MSP)?

AThe MS-AIS signal is detected.

BAU-AIS is detected.

CR-LOS is detected.

DR-LOF is detected.

Answer : B

Huawei HCIA-Transmission V2.0 H31-311 Exam Practice Test