Question : Arrange the networks in increasing order of geographical coverage:
Solution :
Correct Answer : PAN < LAN < MAN < W
Description -
Question : Which of the following is a key disadvantage of WAN?
Solution :
Correct Answer : High complexity and maintenance cost
Description -
Question : Which network type is most suitable for a university campus covering several buildings?
Solution :
Correct Answer : CAN
Description -
Question : Which of the following statements about WAN is correct?
Solution :
Correct Answer : It covers large geographic areas like countries or continents
Description -
Question : Which network type typically uses Bluetooth and NFC technologies?
Solution :
Correct Answer : PAN
Description -
Question : Which of the following best describes a Metropolitan Area Network (MAN)?
Solution :
Correct Answer : Connects multiple LANs across a city
Description -
Question : Which topology uses a single shared communication cable, where failure of that cable can bring down the entire network?
Solution :
Correct Answer : Bus topology
Description -
Question : In a star topology, what is the major disadvantage?
Solution :
Correct Answer : Central hub failure affects entire network
Description -
Question : In which topology does failure of the central device affect the entire network?
Solution :
Correct Answer : Star topology
Description -
Question : Which topology combines features of both bus and star topology and follows a hierarchical structure?
Solution :
Correct Answer : Tree topology
Description -
Question : Which topology is a combination of bus and star topologies and follows a hierarchical structure?
Solution :
Correct Answer : Tree topology
Description -
Question : In which topology does failure of the main backbone cable cause the entire network to fail?
Solution :
Correct Answer : Bus topology
Description -
Question : In which topology does data travel in a circular path using token passing, reducing collisions?
Solution :
Correct Answer : Ring topology
Description -
Question : Which topology provides multiple paths between nodes, increasing fault tolerance?
Solution :
Correct Answer : Mesh
Description -
Question : Which topology requires the maximum number of cables, given by the formula n(n−1)/2?
Solution :
Correct Answer : Mesh topology
Description -
Question : Why is full-duplex communication considered more efficient than half-duplex?
Solution :
Correct Answer : It allows simultaneous transmission and reception
Description -
Question : Which of the following is a correct real-life example of simplex mode?
Solution :
Correct Answer : Radio broadcasting
Description -
Question : In which transmission mode is the entire bandwidth utilized in only one direction at a time, while still allowing two-way communication?
Solution :
Correct Answer : Half-Duplex
Description -
Question : Which of the following correctly describes full-duplex communication?
Solution :
Correct Answer : Data flows in both directions simultaneously
Description -
Question : Which transmission mode allows communication in both directions but not simultaneously?
Solution :
Correct Answer : Half-Duplex
Description -
Question : Which statement about Fast Ethernet is correct?
Solution :
Correct Answer : It supports both half-duplex and full-duplex modes
Description -
Question : Which encoding technique is commonly used in Fast Ethernet (100BASE-TX)?
Solution :
Correct Answer : 4B/5B with MLT-3
Description -
Question : What is the maximum segment length for Fast Ethernet over twisted pair (e.g., 100BASE-TX)?
Solution :
Correct Answer : 100 meters
Description -
Question : Which of the following Fast Ethernet standards uses two pairs of Category 5 cable and supports full-duplex communication?
Solution :
Correct Answer : 100BASE-TX
Description -
Question : Fast Ethernet (100BASE-X) operates at which nominal data rate?
Solution :
Correct Answer : 100 Mbps
Description -