Which network topology requires a central controller or hub?

• A. Ring
• B. Bus
• C. Star
• D. Mesh

If a link transmits 4000 frames per second, and each slot has 8 bits, what is the transmission rate of the circuit using Time Division Multiplexing (TDM)?

• A. 500kbps
• B. 32kbps
• C. 32bps
• D. 500bps

Which of the following allows LAN users to share computer programs and data?

• A. File server
• B. Network
• C. Communication server
• D. Print server

What type of transmission is involved in communication between a computer and a keyboard?

• A. Half-duplex
• B. Full-duplex
• C. Simplex
• D. Automatic

Which layer provides the services to user?

• A. Physical layer
• B. Presentation layer
• C. Session layer
• D. Application layer

Which connection is necessary for a computer to join the internet?

• A. Internet society
• B. Internet service provider
• C. Different computer
• D. Internet architecture board

Which of the following allows you to connect and login to a remote computer?

• A. SMTP
• B. HTTP
• C. FTP
• D. Telnet

Which of the following is used in an attempt to render a computer resource unavailable to its intended users?

• A. Botnet process
• B. Worms attack
• C. Virus attack
• D. Denial-of-service attack

The bounded buffer problem is also known as ____________

• A. Readers €? writers problem
• B. Dining €? philosophers problem
• C. Producer €? consumer problem
• D. None of the mentioned

In the bounded buffer problem, there are the empty and full semaphores that ____________

• A. Count the number of empty and full buffers
• B. Count the number of empty and full memory spaces
• C. Count the number of empty and full queues
• D. None of the mentioned