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CCNA 200-301考试轻松备考：最新的模拟试题，思科认证网络助理资格认证考试 | 思博网络

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问题 #1

In the LTE system, the synchronization signal occupies a fixed 6 RBs bandwidth.

A. TRUEcorrect

B. FALSE

正确答案：A

问题 #2

Which of the following channels cannot carry RRC messages? (Multiple choice)

A. PRACHcorrect

B. PDSCH

C. PUSCH

D. PHICHcorrect

E. PRACHcorrect

正确答案：ADE

问题 #3

which of the following options are available for NB-ioT uplink subcarrier bandwidth

A. 3.75kcorrect

B. 15kcorrect

C. 180k

D. 7.5k

正确答案：AB

问题 #4

The eNodeB assigns a C-RNTI to the UE during RRC setup.

A. TRUEcorrect

B. FALSE

正确答案：A

问题 #5

Which of the following application layer protocol is used by the interface S6a between MME and HSS?

A. SCTPcorrect

B. GTP

C. Diametercorrect

D. PMIP

正确答案：AC

问题 #6

which of the following interfaces can be traced by the signaling tracing function of the eNodeB

A. SI1correct

B. S1correct

C. Uucorrect

D. X2"correct

正确答案：ABCD

问题 #7

Which of the following identifications are composed of GUTI? (Multiple Choice)

A. MMEI

B. MNC

C. M-TMSI

D. S-TMSI

E. MCC

正确答案：ABCE

问题 #8

U2000 can provide some performance monitoring capabilities. Which of the following performance monitoring features can you use to monitor the cell RLC throughput?

A. RRU Performance monitor

B. User Performance Monitoring

C. Community performance monitoring

D. Transmission Performance Monitoring

正确答案：C

问题 #9

Which of the following factors does the root sequence index planning of LTE cell mainly depends on? (Multiple choice)

A. Cell Random Access Preamble Format

B. Cell bandwidth configuration

C. Cell multipath environment

D. Cell radius

正确答案：AD

问题 #10

Assumed to have been using the command "ADD DEVIP: SN = 7, SBT = BASE_ BOARD, PT = ETH, PN = 0, IP =" 10.11.1.3 ", MASK =" 255.255.255.0 ";" FE ports 0 on board LMPT is configured an IP address, now FE ports 1 on board LMPT is needed to configure another IP address, which of the following commands can be used?

A. ADD DEVIP : SN=7 , SBT=BASE_BOARD , PT=ETH , PN=1 , IP= " 10.11.1.5 ", MASK= " 255.255.255.0 ";

B. ADD DEVIP : SN=7 , SBT=BASE_BOARD , PT=ETH , PN=1 , IP= " 10.11.1.6 ", MASK= " 255.255.255.0 ";

C. ADD DEVIP : SN=7 , SBT=BASE_BOARD , PT=ETH , PN=1 , IP= " 10.11.2.6 ", MASK= " 255.255.255.0 ";

D. ADD DEVIP : SN=7 , SBT=BASE_BOARD , PT=ETH , PN=1 , IP= " 10.11.1.4 ", MASK= " 255.255.255.0 ";

正确答案：C

问题 #11

About AAU3215, which of the following statement is correct? (Multiple choice)

A. Excellent performance: zero feeder loss, compared with FA&D independent ESC merging way, the performance is improved nearly 3dBcorrect

B. Fast Deployment: The new F/A/D band does not need new antennas and RRUscorrect

C. small size

D. Light weight

正确答案：AB

问题 #12

Which of the following event does indicate that the serving cell's signal is above a certain threshold?

A. A1 eventcorrect

B. A2 event

C. A3 event

D. A4 event

正确答案：A

问题 #13

In summary collection table, which the following parameters need to negotiate with MME/SGW side?

A. "TIME ID" in the "MME Info"correct

B. "Port" in the "MME info"correct

C. "First Service IP" in the "S-GW Info"correct

D. "CIkSource Type" in the "System Clock"

正确答案：ABC

问题 #14

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 deterioratescorrect

C. Can drop or can disconnection

D. The access fails or the access success rate is low.correct

正确答案：BD

问题 #15

Which of the following scheduling methods can be used to get the maximum cell throughput?

A. Proportional Faircorrect

B. The maximum dry load ratio (MAX C/I)correct

C. Round Robin

正确答案：AB

问题 #16

which of the following are advantages of book RRU

A. High Integrationcorrect

B. Easy to deploycorrect

C. Macro micro coordinationcorrect

D. High power output

正确答案：ABC

问题 #17

If eNodeB uses the 1588V2 clock, in the command "SET CLKMODE", the parameter of “Clock Work Mode" is set to "manual", so the parameter of "the set reference clock source" should be set as which of the following selection?

A. GPScorrect

B. BITS

C. IPCLKcorrect

D. TOD

正确答案：AC

问题 #18

How many LBBP boards can be configured in the BBU?

A. 3correct

B. 4

C. 5

D. 6correct

正确答案：AD

问题 #19

Which of the following are functions of UMPT?

A. Proesses signaling manages resources for other boards in the BBUcorrect

B. Provides a USB port, transmission ports. and a maintenance to perform automatic software upgrade.transmit signalscorrect

C. Support BBU maintenance on the LMT or U2000correct

D. Manages configuration and devices. monitors performance and processes signalscorrect

正确答案：ABCD

问题 #20

The terminal in 3GPP R9 version can support carrier aggregation.

A. False

B. True

正确答案：A

问题 #21

Multiple LBBP boards can work in active/standby mode.

A. TRUE

B. FALSE

正确答案：B

问题 #22

Which of the following are basic modules for distributed base stations? (Multiple choice)

A. BBUcorrect

B. RHUB

C. RRUcorrect

D. RFU

正确答案：AC

问题 #23

which of the following actions is required to handle abnolmal uplink receive signals

A. Intermodulation interfernce check (FDD)correct

B. Channel attenuation configuration check (FDD)correct

C. Spectrum Scanning

D. RTWP/RSSI balance checkcorrect

正确答案：ABD

问题 #24

The parameters in the "Public Data" page of the acquisition table are the same for all eNodeBs in the summary acquisition table.

A. TRUEcorrect

B. FALSE

正确答案：A

问题 #25

Compared with SRVCC, which of the following Nes need to be added for eSRVCC?

A. ATGWcorrect

B. PCRF

C. P-CSCF

D. ATCFcorrect

正确答案：AD

问题 #26

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 datacorrect

B. OM datacorrect

C. User plane data and control plane signaling over the X2 interfacecorrect

D. User plane data and control plane data of the S1 interfacecorrect

E. IP clock datacorrect

正确答案：ABCDE

问题 #27

which of the following systems are included in an eNodeB

A. Baseband process systemcorrect

B. RF Systemcorrect

C. Power systemcorrect

D. Antenna systemcorrect

E. Switching system

正确答案：ABCD

问题 #28

U2000 can provide some performance monitoring capabilities. Which of the following performance monitoring features can you use to monitor the cell RLC throughput?

A. Community performance monitoringcorrect

B. Transmission Performance Monitoring

C. RRU Performance monitor

D. User Performance Monitoring

正确答案：A

问题 #29

which of the following are common fault location methods for end-to-end transmission faults

A. Ping/TraceRTcorrect

B. Capturing Packets Using Wiresharkcorrect

C. IPPMcorrect

D. UDP packet injection and UDP loopback"

正确答案：ABC

问题 #30

Which of the following are the functions of the PDCCH

A. Transmissio of uplink and downlink data scheduling signalingcorrect

B. Downlink power control commands

C. RACH response scheduling grant signalingcorrect

D. Paging message scheduling authorization signalingcorrect

正确答案：ACD

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