1. Image/video

2. Audio

3. Text

4. উপরের সবগুলো

1. <100 MHZ

2. <1 GHZ

3. <2 GHZ

4. Infra-red range

1. Fire attacks

2. Unauthorized access

3. Virus attacks

4. Data-driven attacks

1. Logical address

2. Both physical and logical address

3. Physical address

4. উপরের কোনটি নয়

1. File transfer

2. Data Security

3. VoIP

4. File download