komunikasi data dengan ponsel

Teknologi apa yang menggunakan ponsel untuk berkomunikasi dengan perangkat lain secara nirkabel..

• Wifi

• 3g

• Bluetooth

• 4g

• NFC

Koneksi perangkat yang menggunakan bluetooth akan terganggu jika terjadi hal - hal dibawah ini, kecuali..

• Salah satu perangkat tidak mengaktifkan bluetooth

• Jarak antar pangkat kurang dari 1 meter

• Jarak antar perangkat lebih dari 10 meter

• Berada di ruangan terpisah

How can data on mobile phones be secured?

• Disable all security features

• Enable strong passwords, use encryption, keep software updated, and install security apps.

• Share passwords with friends

• Use public Wi-Fi for all transactions

What are the main technologies used in cellular networks?

• GSM, CDMA, LTE, 5G, EPC, fiber optics

• Bluetooth

• Satellite

• Wi-Fi

Explain the concept of bandwidth in data communication.

• Bandwidth is the number of devices connected to a network.

• Bandwidth is the amount of time data takes to travel across a network.

• Bandwidth refers to the physical size of a network cable.

• Bandwidth is the maximum data transfer rate of a network channel, measured in bits per second (bps).

What role does encryption play in mobile data security?

• Encryption makes data accessible to all users.

• Encryption is only necessary for desktop computers.

• Encryption secures mobile data by making it unreadable to unauthorized users.

• Encryption slows down mobile devices significantly.

Name two types of mobile communication protocols.

• HTTP

• SMTP

• FTP

• GSM, LTE

Protokol apa yang digunakan untuk mengirimkan pesan teks dari satu ponsel ke ponsel lain..

• HTTP

• TCP/IP

• SMS

• FTP

• SSL