H31-421 試験問題を無料オンラインアクセス

Which of the following is the possible length PRACH preamble? (Multiple Choice)

• A.1ms
• B.2ms
• C.10ms
• D.5ms

Which of the following PRACH preamble formats can only be used for TDD random access?

• A.Format 2
• B.Format 4
• C.Format 1
• D.Format 3

Multiple LBBP boards can work in active/standby mode.

• A.TRUE
• B.FALSE

How much is the TTI of MIB?

• A.40ms
• B.20ms
• C.80ms
• D.10ms

From the interactive capabilities of slots 0-5 in the BBU, BBU3900 only has slots 2&3 that interact with other slots, while BBU3910 implements full interworking

• A.False
• B.True