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41. In a ___ topology, a secondary hub can connect to a central hub.
A. Ring
B. Bus
C. Mesh
D. Tree
ANSWER:D
SOLUTION:In a tree topology, a secondary hub can connect to a central hub. This topology is a variation of the star topology and has a hierarchical flow of data.
42. LAN can use _____ architecture.
A. Peer-to-peer
B. Client and server
C. Both ‘1’ and ‘2‘
D. Neither ‘1’ nor ‘2’
ANSWER:C
SOLUTION: Local area network (LAN) architecture can use peer-to-peer or client-server architecture.
43. The advantage of LAN is_________.
A. Sharing peripherals
B. Backing up your data
C. Saving all your data
D. Accessing the web
ANSWER:A
SOLUTION: The advantages of a LAN are the same as those for any group of devices networked together.
44. Computer connected to a LAN can ______.
A. Run faster
B. Share information and/or share peripheral equipment
C. Go online
D. E-mail
ANSWER:B
SOLUTION:A computer connected to a Local Area Network (LAN) can share information and peripheral equipment.
45. Which of the following items is not used in Local Area Network (LANs)?
A. Modem
B. Interface card
C. Cable
D. Computer
ANSWER:A
SOLUTION: Modems are not used in Local Area Networks (LANs). Modems connect computers or networks to the internet or other wide area networks (WANs). LANs typically use routers or switches for internal communication.
46. In which topology, every node is connected to two other nodes?
A. Bus topology
B. Ring topology
C. Star topology
D. Mesh topology
ANSWER: B
SOLUTION: In a ring topology, every node is connected to two other nodes, forming a loop.
47. Which is the name of the network topology in which there are bi-directional links between each possible node?
A. Ring
B. Star
C. Mesh
D. Tree
ANSWER:C
SOLUTION: Mesh topology is the network topology that supports bidirectional links between each possible node.
48. Encryption and decryption are the functions of _______.
A. Transport layer
B. Session layer
C. Presentation layer
D. All of these
ANSWER:C
SOLUTION: Encryption and decryption are functions of the presentation layer, which is part of the OSI model.
49. What type of resource is most likely to be a shared common resource in a computer network?
A. Printers
B. Speakers
C. Floppy disk drives
D. Keyboards
ANSWER: A
SOLUTION: Printers are the most likely resource to be shared in a computer network because of their accessibility, cost-effectiveness, efficiency, centralized management, resource optimization, and reduced environmental impact.