Computer Knowledge

Mobile Telecommunications Networks

2,298 Questions

Mobile telecommunications networks focus on cellular technologies including 5G architecture and GSM components. Key areas of study include network function virtualization, software defined networking, and beamforming. This topic is crucial for technical exams testing computer and networking awareness.

5G architecture componentsNetwork function virtualizationMassive MIMO technologyGSM network registersBeamforming and CSI

Mobile Telecommunications Networks Questions

Multiple choice

Which modulation scheme is used on the Uu interface?

  1. QPSK

  2. 16QAM

  3. 64QAM

  4. 256QAM
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The modulation scheme used on the Uu interface is 256QAM.

Multiple choice

Which interface is used for communication between the gNB and the policy control function?

  1. Uu interface

  2. C-plane interface

  3. U-plane interface

  4. Xn interface
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The C-plane interface is used for communication between the gNB and the policy control function.

Multiple choice

What is the primary goal of MEC (Mobile Edge Computing)?

  1. To reduce latency and improve responsiveness of mobile applications

  2. To increase the capacity of mobile networks

  3. To enhance the security of mobile devices

  4. To extend the battery life of mobile devices
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

MEC aims to bring computing and storage resources closer to the edge of the network, thereby reducing latency and improving the responsiveness of mobile applications.

Multiple choice

Which of the following is a key component of MEC architecture?

  1. MEC Platform

  2. MEC Applications

  3. Mobile Devices

  4. Core Network
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The MEC platform is a fundamental component of MEC architecture. It consists of hardware, software, and network resources that enable the deployment and execution of MEC applications.

Multiple choice

Which of the following is a typical use case for MEC?

  1. Augmented Reality (AR) and Virtual Reality (VR) applications

  2. Self-driving cars

  3. Smart cities

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

MEC is well-suited for applications that require low latency and high bandwidth, such as AR/VR applications, self-driving cars, and smart cities.

Multiple choice

What is the role of MEC in 5G networks?

  1. MEC enables the deployment of latency-sensitive applications

  2. MEC enhances the capacity of 5G networks

  3. MEC improves the security of 5G networks

  4. MEC extends the coverage of 5G networks
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

MEC plays a crucial role in 5G networks by enabling the deployment of latency-sensitive applications and services, such as AR/VR, self-driving cars, and industrial automation.

Multiple choice

What is the role of MEC in network slicing?

  1. MEC enables the creation of isolated network slices

  2. MEC enhances the performance of network slices

  3. MEC secures network slices

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

MEC plays a crucial role in network slicing by enabling the creation of isolated network slices with dedicated resources, enhancing the performance of network slices by providing low-latency and high-bandwidth services, and securing network slices by implementing security policies and mechanisms.

Multiple choice

What is the primary security mechanism used in 5G Core Network?

  1. IPsec

  2. TLS

  3. IKEv2

  4. EAP-AKA
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

IPsec is the primary security mechanism used in 5G Core Network to protect data in transit.

Multiple choice

Which protocol is used for key management in 5G Core Network?

  1. IKEv2

  2. TLS

  3. EAP-AKA

  4. IPsec
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

IKEv2 is the protocol used for key management in 5G Core Network.

Multiple choice

What is the purpose of the Network Slice Selection Function (NSSF) in 5G Core Network?

  1. To select the appropriate network slice for a given service request

  2. To manage the network slices

  3. To provide security for the network slices

  4. To monitor the network slices
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The NSSF is responsible for selecting the appropriate network slice for a given service request.

Multiple choice

Which security mechanism is used to protect the signaling traffic in 5G Core Network?

  1. IPsec

  2. TLS

  3. IKEv2

  4. EAP-AKA
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

TLS is used to protect the signaling traffic in 5G Core Network.

Multiple choice

What is the purpose of the Access and Mobility Management Function (AMF) in 5G Core Network?

  1. To manage the mobility of UE

  2. To provide security for the UE

  3. To select the appropriate network slice for a given service request

  4. To manage the network slices
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The AMF is responsible for managing the mobility of UE.

Multiple choice

Which security mechanism is used to protect the user data traffic in 5G Core Network?

  1. IPsec

  2. TLS

  3. IKEv2

  4. EAP-AKA
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

IPsec is used to protect the user data traffic in 5G Core Network.

Multiple choice

What is the purpose of the Session Management Function (SMF) in 5G Core Network?

  1. To manage the sessions of UE

  2. To provide security for the UE

  3. To select the appropriate network slice for a given service request

  4. To manage the network slices
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The SMF is responsible for managing the sessions of UE.

Multiple choice

Which security mechanism is used to protect the control plane traffic in 5G Core Network?

  1. IPsec

  2. TLS

  3. IKEv2

  4. EAP-AKA
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

TLS is used to protect the control plane traffic in 5G Core Network.