PPSC - Past Papers - Most Repeated — Test 24

Correct Answer: A. A. Mesh
Explanation: The mesh configuration is a combination of ring and star topologies. It is referred to as full-mesh when each network node is interconnected with all nodes in the network.

Correct Answer: B. B. True view
Explanation: The full-mesh topology is a combination of two or more topologies. It is often preferred for the provision of either a logical or virtual topology due to its high flexibility and interconnectivity features.

Correct Answer: C. C. Two
Explanation: There are two networking modes often referred to the networking. These are connection-oriented and connectionless networking modes. These include an end-to-end and bidirectional communication environment between source and destination.

Correct Answer: B. B. Cell switching
Explanation: In packet or cell switching, messages are sent in small packets called cells. Cells from different sources are statistically multiplexed and are sent to the destinations.

Correct Answer: D. D. Circuit switching
Explanation: An end-to-end connection is required for a circuit switching to take place. The transmissions are continuous and are in real time. Once the transmission is complete, the connection is ended.

Correct Answer: C. C. Virtual circuit
Explanation: A virtual circuit consists of different routes which provide connections between sending and receiving devices. These routes can change at any time and the incoming return route does not have to mirror the outgoing route.

Correct Answer: A. A. Routing
Explanation: Routing refers to the path finding process in a network. In this, the control and data functions are performed to identify the route and to handle the data during the journey from source to destination.

Correct Answer: B. B. Three
Explanation: The routing process called as control plane has three stages. These are neighbor discovery, topology discovery and path selection. These stages enable the network in routing mechanisms efficiently.

Correct Answer: C. C. Hopping
Explanation: The optical layer is dependent on wavelength. The entire physical interconnected network provides wavelength signal service among the nodes using hopping technique.

Correct Answer: A. A. Two
Explanation: There are two types of hopping. They are single hop and multihop. These techniques provide wavelength dependent service for interconnected physical network among the nodes.