ACN CS: 04

Which of the following is a characteristic of a connectionless (datagram) network?

• A. A virtual circuit is established before transmitting data

• B. Each packet is forwarded independently

• C. Packets follow the same path through the network

• D. It is widely used for voice and video transmissions

What is the purpose of a router in a computer network?

• A) To connect multiple networks together and route data between them. B

• ) To connect multiple devices on the same network and manage their communication.

• C) To switch data between devices on the same network based on their MAC address.

• D) To transmit data over long distances using fiber optic cables.

Which of the following is an example of a network technology that uses packet switching?

• A) Telephone networks

• B) Cable television networks

• C) ATM networks

• D) None of the above

What is the primary advantage of packet switching over circuit switching?

• A) Packet switching allows for more efficient use of network resources by allowing multiple transmissions to occur simultaneously.

• B) Circuit switching provides a dedicated connection for the duration of a transmission, ensuring reliable delivery.

• C) Packet switching provides a faster transmission speed than circuit switching.

• D) Circuit switching allows for real-time communication with low latency.

Which layer of the OSI model is responsible for routing packets between networks?

• A. Data Link layer

• B. Physical layer

• C. Network layer

• D. Transport layer

Which device is used to interconnect multiple networks and forward data based on logical addressing?

• A. Router

• B. Switch

• C. Repeater

• D. Hub

In virtual circuit switching, what is the virtual circuit identifier (VCI)?

• A. The IP address of the source host

• B. The IP address of the destination host

• C. The path through the network

• D. The identifier for the virtual connection between the source and destination hosts

What is the primary advantage of virtual circuit switching over connectionless (datagram) switching?

• A. It provides a predictable path for transmitting data

• B. It supports real-time voice and video transmissions

• C. It requires less network resources

• D. It allows for multiple paths through the network