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Ericsson Certified Associate - Radio Network Optimization Question and Answers

Ericsson Certified Associate - Radio Network Optimization

Last Update May 18, 2024
Total Questions : 62

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Questions 1

Which two statements about physical resource blocks (PRB)s are correct? (Choose two.)

Options:

A.  

The maximum number of assigned PRBs for a TTI can exceed the number of available PRBs in the cell for that TTI.

B.  

The DL PRB distribution is not affected by the number of active cell users in the cell.

C.  

A higher throughput is expected when more DL PRBs are assigned to a user for a TTI.

D.  

The number of PRBs assigned for a user is dependent on the number of active users in the cell.

Discussion 0
Questions 2

What are two benefits of Carrier Aggregation? (Choose two.)

Options:

A.  

to decrease the number of RRC connected users

B.  

to Improve the use of scattered spectrum

C.  

to increase capacity

D.  

to improve coverage per carrier

Discussion 0
Questions 3

What are two advantages of using the Data Forwarding at Intra-LTE Handover feature? (Choose two.)

Options:

A.  

Data is received from two cells at the same time.

B.  

Packet loss is minimized during handovers.

C.  

TCP performance Is improved.

D.  

User data can be forwarded directly between UEs over Wi-Fi.

Discussion 0
Questions 4

Which statement is correct about network slicing?

Options:

A.  

Network slicking is a splitting of end users between competing operators in small population markets.

B.  

Network slicing is a customized division of a cellular network designed to allow end users to control allocation of network resources between themselves.

C.  

Network slicing is a separation of network architecture between vendors in a multivendor network.

D.  

Network slicing is a movement of network functions between aggregation layers to meet performance requirements for specific use cases.

Discussion 0
Questions 5

You have collocated sectors In your 2G network on the GSM 900 and the DCS 1800 bands. Reviewing the network level traffic distribution, you noticed that the GSM 900 sectors have five times more traffic than the DCS 1800 sectors.

Which two actions would improve load balancing between these bands? (Choose two.)

Options:

A.  

adding additional GSM 900 sectors

B.  

changing the handover margin

C.  

expanding the site's transmission link

D.  

changing the idle mode cell reselection parameter

Discussion 0
Questions 6

Which two benefits does OSS counter-based optimization provide compared to drive test measurements? (Choose two.)

Options:

A.  

OSS counters capture the indoor performance.

B.  

OSS counters allow throughput measurements in cells where no traffic is carried.

C.  

OSS counters only capture the outdoor performance.

D.  

OSS counters provide OPEX cost savings.

Discussion 0
Questions 7

A user is participating in an IR.92 compliant VoLTE call.

What is the Quality of Service Class Indicator (QCI) of the bearer that carries SIP signaling?

Options:

A.  

QCI 1

B.  

QCI 2

C.  

QCI 8

D.  

QCI 5

Discussion 0
Questions 8

Which two statements are valid for Call Re-establishment in WCDMA? (Choose two.)

Options:

A.  

Call Re-establishment in WCDMA targets RL failures or RLC errors in the DL.

B.  

When Call Re-establishment in WCDMA is activated and after RL failure or an RLC unrecoverable error, the UE selects a new cell using the soft handover procedure.

C.  

Call Re-establishment in WCDMA improves the voice drop rate.

D.  

When Call Re-establishment in WCDMA is activated and after RL failure or an RLC unrecoverable error, the UE goes to idle mode.

Discussion 0
Questions 9

How would the highest theoretical UL throughput in a WCDMA network that supports HSPA be achieved?

Options:

A.  

using R99, UL SF 4

B.  

using R99, UL SF 8

C.  

using 2 ms TTI for EUL

D.  

using 10 ms TTI for EUL

Discussion 0
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