AP ECET COMPUTER SCIENCE AND ENGINEERING Multiple Choice Questions (MCQs)

AP ECET - Computer Networks Questions

61. What does LAN stand for in networking?
    a) Large Area Network
    b) Local Area Network
    c) Long Area Network
    d) Limited Area Network
    Answer: b) Local Area Network
62. Which of the following is a component of a LAN?
    a) Router
    b) Switch
    c) Modem
    d) All of the above
    Answer: b) Switch
63. What is the purpose of a router in a network?
    a) To connect devices within the same network
    b) To connect different networks
    c) To transmit data wirelessly
    d) To amplify signals in a network
    Answer: b) To connect different networks
64. Which topology requires a central device to connect all other devices?
    a) Bus Topology
    b) Star Topology
    c) Ring Topology
    d) Mesh Topology
    Answer: b) Star Topology
65. In which of the following network topologies is every device connected to every other device directly?
    a) Bus Topology
    b) Star Topology
    c) Mesh Topology
    d) Tree Topology
    Answer: c) Mesh Topology
66. What is the purpose of subnetting in a network?
    a) To connect multiple devices on the same network
    b) To divide a larger network into smaller, manageable sub-networks
    c) To encrypt network traffic
    d) To filter network traffic
    Answer: b) To divide a larger network into smaller, manageable sub-networks
67. What is the network address used to uniquely identify a device in a network?
    a) MAC Address
    b) IP Address
    c) Port Number
    d) DNS Address
    Answer: b) IP Address
68. Which of the following is used to translate domain names to IP addresses?
    a) DNS
    b) DHCP
    c) FTP
    d) HTTP
    Answer: a) DNS
69. Which of the following devices is used to amplify signals in a network?
    a) Router
    b) Switch
    c) Repeater
    d) Hub
    Answer: c) Repeater
70. What does the TCP/IP protocol stack provide in a network?
    a) Routing protocols
    b) Security for data transmission
    c) Communication between devices
    d) Data compression
    Answer: c) Communication between devices
71. Which of the following is a protocol used to assign IP addresses to devices in a network?
    a) HTTP
    b) FTP
    c) DHCP
    d) TCP
    Answer: c) DHCP
72. In which layer of the OSI model does IP address operation occur?
    a) Physical Layer
    b) Data Link Layer
    c) Network Layer
    d) Transport Layer
    Answer: c) Network Layer
73. Which of the following is a common network management tool?
    a) Traceroute
    b) Ping
    c) Telnet
    d) All of the above
    Answer: d) All of the above
74. Which of the following is true about the IP address 192.168.0.1?
    a) It is a public IP address
    b) It is a private IP address
    c) It belongs to a specific domain
    d) It is used for DNS resolution
    Answer: b) It is a private IP address
75. What is the function of a gateway in a network?
    a) It filters and routes traffic between different networks
    b) It stores network data
    c) It provides encryption for data
    d) It connects devices within a local network
    Answer: a) It filters and routes traffic between different networks

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