Q#1: What are the four main classifications of computer networks mentioned in the paragraph?
(A) PAN, LAN, MAN, WAN
(B) Internet, Ethernet, WiFi, Bluetooth
(C) TCP/IP, CSMA/CD, CSMA/CA, IEEE
(D) Repeater, Bridge, Switch, Router
Answer: (A) PAN, LAN, MAN, WAN
Q#2: What does PAN stand for in network classification?
(A) Personal Area Network
(B) Public Access Network
(C) Private Area Network
(D) Peripheral Area Network
Answer: (A) Personal Area Network
Q#3: Which network is typically used for communications within a single building or building complex?
(A) PAN
(B) LAN
(C) MAN
(D) WAN
Answer: (B) LAN
Q#4: What does MAN stand for in network classification?
(A) Miniature Area Network
(B) Metropolitan Area Network
(C) Mobile Area Network
(D) Multipurpose Area Network
Answer: (B) Metropolitan Area Network
Q#5: Which network spans a local community?
(A) PAN
(B) LAN
(C) MAN
(D) WAN
Answer: (C) MAN
Q#6: What is the most significant difference between a LAN and a WAN?
(A) LANs are wireless, while WANs are wired
(B) LANs cover a smaller geographic area than WANs
(C) LANs are open networks, while WANs are closed networks
(D) LANs use CSMA/CD, while WANs use CSMA/CA
Answer: (B) LANs cover a smaller geographic area than WANs
Q#7: What is the Internet classified as in terms of network openness?
(A) Closed network
(B) Proprietary network
(C) Open network
(D) Private network
Answer: (C) Open network
Q#8: What collection of standards governs communication throughout the Internet?
(A) Ethernet standards
(B) IEEE standards
(C) TCP/IP protocol suite
(D) CSMA/CD protocol
Answer: (C) TCP/IP protocol suite
Q#9: What type of network design allows machines to communicate through a central access point (AP)?
(A) Bus topology
(B) Star topology
(C) Ethernet topology
(D) IEEE topology
Answer: (B) Star topology
Q#10: Which network topology was popularized in the 1990s under Ethernet standards?
(A) Bus topology
(B) Star topology
(C) Mesh topology
(D) Ring topology
Answer: (A) Bus topology
Q#11: What is the primary advantage of using the star topology in wireless networks?
(A) It minimizes the need for routers
(B) It eliminates the need for access points (APs)
(C) It simplifies network management
(D) It facilitates communication through radio broadcast
Answer: (D) It facilitates communication through radio broadcast
Q#12: What protocol controls the right to transmit messages in a bus network based on Ethernet standards?
(A) TCP/IP
(B) CSMA/CA
(C) CSMA/CD
(D) IEEE 802.11
Answer: (C) CSMA/CD
Q#13: Why is CSMA/CD not compatible with wireless star networks?
(A) It requires a central access point (AP)
(B) It cannot detect collisions in wireless networks
(C) It uses a different addressing scheme
(D) It is too expensive to implement wirelessly
Answer: (B) It cannot detect collisions in wireless networks
Q#14: What approach to collision avoidance is commonly used in wireless networks?
(A) CSMA/CD
(B) CSMA/CA
(C) Ethernet standards
(D) IEEE protocols
Answer: (B) CSMA/CA
Q#15: How do routers differ from repeaters, bridges, and switches in network connectivity?
(A) Routers connect networks while maintaining their individual characteristics
(B) Routers amplify signals between connected networks
(C) Routers always forward all messages across connections
(D) Routers are used primarily in star topologies
Answer: (A) Routers connect networks while maintaining their individual characteristics
Q#16: What term is used to describe a network that connects existing networks to form an extended communication system?
(A) Internet
(B) Intranet
(C) Gateway
(D) Internet of Things (IoT)
Answer: (C) Gateway
Q#17: What is the primary purpose of a gateway in networking?
(A) To connect devices within a single network
(B) To connect LANs to the Internet
(C) To replace routers in network connections
(D) To serve as a central access point (AP)
Answer: (B) To connect LANs to the Internet
Q#18: What model defines the roles of processes as either clients or servers in inter-process communication?
(A) Peer-to-peer model
(B) Client/server model
(C) Ethernet model
(D) TCP/IP model
Answer: (B) Client/server model
Q#19: What model involves processes that provide service to and receive service from each other?
(A) Client/server model
(B) Peer-to-peer model
(C) Ethernet model
(D) WAN model
Answer: (B) Peer-to-peer model
Q#20: What term describes a network consisting of software units that execute as processes on different computers?
(A) Intranet
(B) Extranet
(C) Distributed system
(D) Cluster computing
Answer: (C) Distributed system