600-210

600-210 practice questions, page 3 of 3, with answer review and explanations.

Question 11

In which three ways can a GTPv2 tunnel in each node of the UMTS/LTE network be identified? (Choose three.)

  1. TEID
  2. IP address
  3. UDP port number
  4. sequence number
  5. negotiated QoS per PDP
  6. negotiated QoS per PDN

Question 12

In which two ways does SGSN detect and know when GGSN has restarted? (Choose two.)

  1. change in recovery value in echo response
  2. change in recovery value in PDU notification request from GGSN to SGSN
  3. change in recovery value in Update PDP Context Request from GGSN to SGSN
  4. when the sequence number in a response message is different from that of the request message
  5. when the TEID value in response in GTP header is different from that of the request message

Question 13

Which two services require a status check on the Cisco ASR 5000 if no Context Request Message is sent from SGSN to MME over the S3 interface? (Choose two.)

  1. EGTP-service
  2. SGSN-service
  3. HSS-peer-service
  4. SGTP-service
  5. SGS-service

Question 14

In which two scenarios is a create bearer request sent from the SGW to the SGSN on the S4 interface? (Choose two.)

  1. secondary PDP context activation procedure
  2. network-requested secondary PDP context activation procedure
  3. network-triggered service request procedure
  4. when downlink data arrives for the released bearers
  5. PGW restart restoration procedure