H35-561 Practice Exam Tests Latest Updated on Mar-2022 [Q29-Q48]

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H35-561 Practice Exam Tests Latest Updated on Mar-2022

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NEW QUESTION 29
In the dual APN architecture, how many default bearers need to be established when the terminal is booted up?

NEW QUESTION 30
LTE system services include CS domain and PS domain services, and CSFB is a CS service.

True

False

NEW QUESTION 31
Which of the following VoIP- related KPI indicators can the eNodeB provide?

VoIP call drop rate

Number of active users of VoIP

VoIP handover success rate

VoIP service packet loss rate

NEW QUESTION 32
Which of the following ways can reduce the power consumption of LTE mobile phones?

Same-frequency measurement threshold configuration indication SIntraSearchCfgInd is modified from CFG to NOT_CFG

The paging parameter Nb is changed from 2T to 1T.

The UE inactivity timer is changed from 20 seconds to 10 seconds.

The default paging cycle is changed from 128 frames to 256 frames.

NEW QUESTION 33
Both LTE uplink and downlink use SC-FDMA technology.

True

False

NEW QUESTION 34
Regarding the analysis of the problem of dropped calls, which of the following descriptions is wrong?

Check the coverage of the dropped calls and eliminate the dropped calls caused by the coverage problems.

Analyze the signaling process before the call drop, and find the cause of the dropped call.

Check whether the working status of the base station is normal and whether there are alarms that may affect the service.

Call re-establishment can be considered as a dropped call

NEW QUESTION 35
What of the following does not belong to the cause of RRC connection failure?

Weak coverage causes the UE to not respond

Authentication failure

eNodeB resource allocation failed

eNodeB rejects user access

NEW QUESTION 36
What measures can be taken to optimize handover performance in LTE network optimization?

Power adjustment

Switching parameter optimization

Neighborhood optimization

PCI adjustment

NEW QUESTION 37
Which of the following is not included in the QoS Configuration?

UE Timer

QoS Global Configuration

DSCP-QCI Mapping

PBR Parameter

NEW QUESTION 38
How many multiplexed downlink time-frequency resources are supported by the 64T64R scheme in Massive MIMO?

NEW QUESTION 39
What are the effects of improper adjustment of the mechanical downturn of the antenna? (Multiple Choice)

The mechanical downturn will cause the back flap of the antenna to be upturned, causing interference to the neighboring area, causing the mobile phone of the lower layer of the neighboring area to drop the call.

Excessive mechanical downtilt angle will cause the antenna to filter back and back, which will damage the antenna for a long time.

Excessive mechanical downtilt angle can also cause beam distortion to generate new interference

The mechanical downturn will cause the back flap of the antenna to be upturned, causing interference to the neighboring area, causing the mobile phone of the higher layer of the neighboring area to drop the call.

NEW QUESTION 40
Which of the following is the timer for the UE to wait for the handover to succeed?

T301

T302

T300

T304

NEW QUESTION 41
Which of the following are key indicators of concern for LTE network planning? (Multiple choice)

CRS SINR

Cell load

RSRP

throughput rate

NEW QUESTION 42
Which of the following channels must be used when an LTE user uploads a file? (Multiple choice)

PUSCH

PDCCH

PDSCH

PRACH

NEW QUESTION 43
In which of the following cases will the mobile phone initiate a Service Request process? (Multiple Choice)

When E is in the ECM IDLE state and there is downlink data reached

When the phone is initially turned on

E initiates location update

When the UE has no RRC connection and there is uplink data initiation request

NEW QUESTION 44
GSM reselection to LTE requires receiving parameters in SI3 and SI4.

True

False

NEW QUESTION 45
Regarding the analysis of the signaling process before the call drop, which of the following descriptions is wrong?

If the RRC connection reestablishment process occurs because the radio link fails before the call is dropped, the downlink quality of the dropped area is degraded. It is recommended to check the coverage, interference, and neighboring area mismatch.

If the eNodeB detects the uplink out-of-step of the terminal before the call drop, the uplink quality of the dropped area is deteriorated. It is recommended to check for coverage, interference, neighboring area mismatch, power parameter settings, etc.

If the UE handover occurs before the call drop, and the UE sending the reconfiguration message completely and until the call drop has not received any signaling issued by eNodeB, eNodeB may have received and issued new RRC establishment procedure, However, E is not received. Because the signaling message adopts the AM mode, it needs to receive the acknowledgement of the AM mode data by the receiving end within a certain period of time, and finally the RLC unrecoverable error occurs in the RLC layer of the UE.

If handover occurs before call drop, and the UE sending the reconfiguration message completely has not been received any signaling issued by eNodeB until the call drop, reconfiguration complete message eNlodeB may not receive, so the timer releases link after a timeout.

NEW QUESTION 46
In TD-LTE, which of the following protocol stacks have the highest rate?

Application layer rate

PDCH layer rate

MAC layer rate

Physical layer rate

NEW QUESTION 47
Which of the following control signalings for uplink PUCCH feedback? (multiple choice)

PMI

cQI

Qos

NEW QUESTION 48
If you use an extended CP, how many symbols are there every 1 millisecond, which of the following is correct?