which of the following are common fault location methods for end-to-end transmission faults
A . Ping/TraceRT
B . Capturing Packets Using Wireshark
C . IPPM
D . UDP packet injection and UDP loopback"
Answer: ABC
what the purposes of random access
what the purposes of random access
A Obtains uplink Scheduling Resources
B, Obtains downlink synchronization
C. Obtains downlink Scheduling Resources
D. Obtains uplink synchronization
Answer: ABCD
which of the following are advantages of book RRU
which of the following are advantages of book RRU
A . High Integration
B . Easy to deploy
C . Macro micro coordination
D . High power output
Answer: BC
which of the following statements about MIB are correct
which of the following statements about MIB are correct
A . Carried on BCCH – BCH – PBCH
B Frequency domain 62 subcarriers in the cneter of the system bandwidth
B . Time domain adjacent to the synchronization channel the sheduling period is 40ms
C . Includes most important and common parameters system bandwidth, system frame number, and PHICH comfiguration information
Answer: ABD
which of the following data need to be considered for the tramsmission bandwidth planning of an LTE site
which of the following data need to be considered for the tramsmission bandwidth planning of an LTE site
A . SI1 interface user plane data and control plane data
B . OM data
C . User plane data and control plane signaling over the X2 interface
D . User plane data and control plane data of the S1 interface
E . IP clock data
Answer: BCDE
which of the following systems are included in an eNodeB
which of the following systems are included in an eNodeB
A . Baseband process system
B . RF System
C . Power system
D . Antenna system
E . Switching system
Answer: ABCD
when an LTE user uploads a file, which of the following channels must be used
when an LTE user uploads a file, which of the following channels must be used
A . PSSCH
B . PDCCH
C . PRACH
D . PUSCH"
Answer: BD
What are the impacts of antenna alarms on the system?
What are the impacts of antenna alarms on the system?
A is Out Of service
B. The Signal quality of the mobile phone is unstable, and the call quality deteriorates
C Can drop or can disconnection
D. The access fails or the access success rate is low.
Answer: BD
which of the following may cause RF resource exceptions?
which of the following may cause RF resource exceptions?
A_ The RF board is unavailable
B. The RF networking and data do not match.
C. The versions of the main control board and RF unit do not match.
D. The CPRI line rate negotiation fails
Answer: ABC
Which of the following are functions of UMPT?
Which of the following are functions of UMPT?
A Pr«esses signaling manages resources for other boards in the BBU
B Provides a USB port, transmission ports. and a maintenance to perform automatic software upgrade.
transmit signals
C Support BBU maintenance on the LMT or U2000
D Manages configuration and devices. monitors performance. and processes signals
Answer: ABCD