eLTE-IoT realizes reliable connection on unlicensed spectrum through () technology?

• A.Small packet fast transmission
• B.Frequency hopping technology
• C.PSM
• D.Increased power spectral density

Comment: *

Name: *

Email: *

Verification: *

Regarding the features of the OceanConnect platform, what is the following that does not belong to authority management ()?

• A.Account is divided into permissions
• B.access authentication
• C.Data storage encryption
• D.Login certificate

Comment: *

Name: *

Email: *

Verification: *

AMI is a complete system including smart meters, advanced communication networks, collectors and concentrators, and background software. It can use a two-way communication system to record user detailed load information

• A.False
• B.True

Comment: *

Name: *

Email: *

Verification: *

Combine the use of dynamic memory to sort the following operations;
1. Apply for a memory block in the dynamic memory pool
2. Print out the data stored in the memory block
3. Release this memory
4. Initialize a dynamic memory pool
5. Use this memory block to store a piece of data

• A.3-2-5-1-4
• B.4-1-5-2-3
• C.4-3-5-1-2
• D.5-4-3-2-1

Comment: *

Name: *

Email: *

Verification: *

Regarding the description of the northbound application to register directly connected devices, which is incorrect ()?

• A.Register directly connected device interface, not only can be used to register directly connected devices, but also can be used to register non-directly connected devices
• B.After the interface of the registered direct-connected device is called, if the binding is not completed within the timeout range, the device registration will be invalid
• C.When registering directly connected devices, nodeid recommends using the MAC address of the device
• D.When registering directly connected devices, if timeout is set to 0, there is no timeout setting

Comment: *

Name: *

Email: *

Verification: *