Which of the following statements about network slice selection assistance information (NSSAI) is FALSE?
Which of the following statements about network slice selection assistance information (NSSAI) is FALSE? A. Allowed NSSAI is a set of slices provided to UE by AMF during UE registration procedure. B. Requested NSSAI is a set of slices provided by UE to the network and contains values from serving PLMN. C. Subscribed NSSAI is […]
Which of the following statements about QoS profiles used in 5G is FALSE?
Which of the following statements about QoS profiles used in 5G is FALSE? A. SMF derives the QoS profile of a QoS Flow from a PCC rule and sends it to NG-RAN. B. NG-RAN uses the QoS profiles to create mapping between QoS Flow IDs and data radio bearers. C. NG-RAN sends the QoS profiles […]
Which of the following statements about Option 3X dual connectivity is FALSE?
Which of the following statements about Option 3X dual connectivity is FALSE? A. VoLTE traffic is handled by the LTE network. B. Dual connectivity is used for high throughput services such as eMBB. C. When NR radio quality becomes sub-optimal, gNB decides to split the bearer. D. Both eNB and gNB are connected with S1-U […]
Which of the following statements about 5G NG-RAN is FALSE?
Which of the following statements about 5G NG-RAN is FALSE? A. The Xn interface is used to connect gNB to ng-eNB. B. The NG interface is used to connect ng-eNB to UPF. C. The Xn interface is used to connect ng-eNB to AMF. D. The NG interface is used to connect gNB to NGC. Reference: […]
Which of the following does NOT apply to an idle UE in MICO mode?
Which of the following does NOT apply to an idle UE in MICO mode? A. The UE performs registration updates. B. The UE connects to the network to send uplink data. C. Power and signaling efficiency is optimized for the UE. D. The UE listens and responds to paging. Reference: https://blog.3g4g.co.uk/2020/07/mobile-initiated-connection-only-mico.html
A UE has a PDU session established using slice 1.
A UE has a PDU session established using slice 1. The operator removes slice 1 from the UE subscription data stored in UDM. Which of the following actions is NOT performed as a result? A. UDM notifies the serving AMF about the UE subscription data modification. B. AMF initiates the UE configuration update procedure. C. […]
Which of the following statements regarding cloud RAN architecture is FALSE?
Which of the following statements regarding cloud RAN architecture is FALSE? A. The gNB is split into three functional modules: a radio unit (RU), a distributed unit (DU), and a centralized unit (CU). B. DU performs the non-real time processing of layer 2. C. The fronthaul segment connects RU to DU and the midhaul segment […]
Which of the following best describes the function of a PDU session flow classifier?
Which of the following best describes the function of a PDU session flow classifier? A. An SMF that dynamically inserts and removes uplink classifiers (UL CL) at the UPFs. B. An SMF that dynamically inserts and removes UL CL at the UE. C. A UPF that terminates the N6 interface towards the data network. D. […]
A SysOps administrator notices a scale-up event for an Amazon EC2 Auto Scaling group.
A SysOps administrator notices a scale-up event for an Amazon EC2 Auto Scaling group. Amazon CloudWatch shows a spike in the RequestCount metric for the associated Application Load Balancer. The administrator would like to know the IP addresses for the source of the requests. Where can the administrator find this information? A. Auto Scaling logs […]
A company needs to restrict access to an Amazon S3 bucket to Amazon EC2 instances in a VPC only.
A company needs to restrict access to an Amazon S3 bucket to Amazon EC2 instances in a VPC only. All traffic must be over the AWS private network. What actions should the SysOps administrator take to meet these requirements? A. Create a VPC endpoint for the S3 bucket, and create an IAM policy that conditionally […]