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Questions for Round One
1. Let’s suppose that multicast receivers connect to the same switch which enables the IGMP snooping. Then will the rest receive IGMP Leave message if one of the receivers leave the multicast group? Answer with yes or no.
2. What is used on USG firewall to maintain the connection status, which improves the detection and forwarding efficiency?
3. What data transmission mode is used for 802.11ax?
4. What command is used to check the cinder-volume service status?
5. What Backup Modes Does VBS Provide?
6. What is the minimum number of hard disks required for configuring RAID 5?
7. Which commands can be used to check whether the signaling connection of the S1 interface is normal?
8. Which interface is used for communication between the MS and the BTS?
9. What types of users does FusionInsight MRS have?
10. What services can be enabled on the U1900 to achieve the following effects?Assume that user A can make or answer a new call without disconnecting the current call during a call between user A and user B.
More details
| Order | Requirement to advance to the next question | Technical questions | Rewards | Number of winners |
| First question | 1 correct answer and 10 incorrect ones | 1. Let’s suppose that multicast receivers connect to the same switch which enables theIGMP snooping. Will the rest then receive the IGMP? Leave a message if one of the receivers leaves the multicast group? Answer with yes or no. | none | |
| Second question | 1 correct answer and 10 incorrect ones | 2. What is used on the USG firewall to maintain the connection status, which improves the detection and forwarding efficiency? | none | |
| Third question | 1 correct answer and 10 incorrect ones | 3. Which data transmission mode is used for 802.11ax? | none | |
| Fourth question | 1 correct answer and 10 incorrect ones | 4. Which command is used to check the cinder-volume service status? | none | |
| Fifth question | 1 correct answer and 10 incorrect ones | 5. What backup modes does VBS provide? | none | |
| Sixth question | 1 correct answer and 10 incorrect ones | 6. What is the minimum number of hard disks required for configuring RAID 5? | 100 HiCoins | x5 |
| Seventh question | 1 correct answer and 10 incorrect ones | 7. Which commands can be used to check whether the signaling connection of the S1 interface is normal? | 15$ Amazon.com Gift Card | x5 |
| Eighth question | 1 correct answer and 10 incorrect ones | 8. Which interface is used for the communication between MS and BTS? | 30$ Amazon.com Gift Card | x3 |
| Ninth question | 1 correct answer and 10 incorrect ones | 9. What types of users does FusionInsight MRS have? | 50$ Amazon.com Gift Card | x1 |
| Tenth question | 1 correct answer and 10 incorrect ones | 10. Which services can be enabled on the U1900 to achieve the following effects? Assume that user A can make or answer a new call without disconnecting the current call during a call between user A and user B. | Huawei P20 lite | x1 |
Award for completing Round 2: 30 HiCoins
Award for completing Round 3: 40 HiCoins
Correct answers:
Answer: No
2. What is used on USG firewall to maintain the connection status, which improves the detection and forwarding efficiency?
Answer: Session table
3. What data transmission mode is used for 802.11ax?
Answer: OFDMA
4. What command is used to check the cinder-volume service status?
Answer: cinder service-list
5. What Backup Modes Does VBS Provide?
Answer: full and incremental backup modes.
6. What is the minimum number of hard disks required for configuring RAID 5?
Answer: three
7. Which commands can be used to check whether the signaling connection of the S1 interface is normal?
Answer: DSP SlINTERFACE
8. Which interface is used for communication between the MS and the BTS?
Answer: Um interface
9. What types of users does FusionInsight MRS have?
Answer: System users, Internal system users and Database users
10. What services can be enabled on the U1900 to achieve the following effects?Assume that user A can make or answer a new call without disconnecting the current call during a call between user A and user B.
Answer: call hold service
