Mobile Communication and Computing

Which of the following usually stores all user-related data that is also relevant to GSM mobile systems?

• 1. VLR

• 1. HMR

• 1. CMR

• SIM

In which one of the following codes with specific characteristics can be applied to the transmission?

• 1. CDMA

• 1. GPRS

• 1. GSM

• All of the above

Which of the following offers packet mode data transfer service over the cellular network?

• 1. TCP

• 1. GPRS

• 1. GSM

• None of the above

Which one of the following enables us to use the entire bandwidth simultaneously?

• 1. TDMA

• 1. CDMA

• 1. FDMA

• All of the above

In the Cellular Network, on which of the following, the cell's shape depends?

• 1. Political conditions

• Social Conditions

• 1. Environment Condition

• None of the above

In a Cellular network, which of the following is used to use the same frequency for others?

• 1. Frequency hopping

• 1. Frequency reuse

• 1. Frequency planning

• None of the above

Which of the following uses wireless as the mode of communication for transferring or exchanging data between various mobiles over a short-range?

• 1. Ad hoc computing

• 1. Mobile computing

• 1. Bluetooth technology

• None of the above

The main aim of the file system is to support________

• 1. Transparent access to data

• 1. Efficient access to data

• 1. Consistent access to data

• All of the above

In a distributed system, a client sends the request, and the server provides_____

• 1. Data

• 1. Service

• 1. Information

• All of the above

One of the essential challenges of distributed systems apply to DFS is/are

• 1. Migration of data

• 1. Concurrent access to data

• 1. Replication of data

• All of the above