Section # 6 Data Communication and Networking

101. What is the primary difference between a hub and a switch?

A) A hub is faster, while a switch is slower
B) A hub is a simple repeater, while a switch is a multi-port bridge
C) A hub is used for wireless networks, while a switch is used for wired networks
D) A hub is more secure, while a switch is less secure

Answer: B) A hub is a simple repeater, while a switch is a multi-port bridge

102. Which network protocol is responsible for ensuring the reliable transfer of data over IP networks?

A) TCP
B) UDP
C) HTTP
D) FTP

Answer: A) TCP

103. What is the term for the process of converting digital data into analog signals for transmission over phone lines?

A) Modulation
B) Demodulation
C) Encryption
D) Decryption

Answer: A) Modulation

104. Which network topology is characterized by a decentralized network with no central hub or switch?

A) Bus
B) Star
C) Ring
D) Mesh

Answer: D) Mesh

105. What is the term for the amount of time it takes for a packet of data to travel from the sender to the receiver over a network?

A) Latency
B) Throughput
C) Bandwidth
D) Packet loss

Answer: A) Latency

106. Which network protocol is used for transmitting data over the internet in a connectionless manner?

A) TCP
B) UDP
C) HTTP
D) FTP

Answer: B) UDP

107. What is the term for a network device that operates at the network layer of the OSI model?

A) Switch
B) Router
C) Bridge
D) Hub

Answer: B) Router

108. Which type of network cable is used for high-speed connections over long distances?

A) Fiber optic
B) Coaxial
C) Twisted pair
D) HDMI

Answer: A) Fiber optic

109. What is the term for the process of encrypting data to secure it for transmission over a network?

A) Authentication
B) Authorization
C) Encryption
D) Decryption

Answer: C) Encryption

110. Which network protocol is used for transmitting email over the internet in a secure manner?

A) SMTP
B) POP3
C) IMAP
D) SSL/TLS

Answer: D) SSL/TLS

111. What is the primary purpose of the Address Resolution Protocol (ARP)?

A) To resolve IP addresses to MAC addresses
B) To resolve MAC addresses to IP addresses
C) To configure IP addresses on a network
D) To troubleshoot network connectivity issues

Answer: A) To resolve IP addresses to MAC addresses

112. Which network protocol is used for dynamically assigning IP addresses to devices on a network?

A) DHCP
B) DNS
C) HTTP
D) FTP

Answer: A) DHCP

113. What is the term for the process of transmitting data over a network in a way that ensures it is received in the correct order?

A) Packet switching
B) Circuit switching
C) Connection-oriented
D) Connectionless

Answer: C) Connection-oriented

114. Which network topology is characterized by a central device connected to multiple nodes, with each node connected to the central device?

A) Bus
B) Star
C) Ring
D) Mesh

Answer: B) Star

115. What is the term for the amount of data that can be transmitted over a network in a given amount of time?

A) Bandwidth
B) Latency
C) Throughput
D) Packet loss

Answer: C) Throughput

116. Which network protocol is used for transmitting data over the internet in a way that ensures it is received securely?

A) TCP
B) UDP
C) SSL/TLS
D) HTTP

Answer: C) SSL/TLS

117. What is the term for a network device that operates at the data link layer of the OSI model and is used to connect multiple devices together?

A) Switch
B) Router
C) Bridge
D) Hub

Answer: A) Switch

118. Which type of network cable is used for high-speed connections over short distances?

A) Fiber optic
B) Coaxial
C) Twisted pair
D) HDMI

Answer: C) Twisted pair

119. What is the term for the process of encrypting data to secure it for transmission over a network?

A) Authentication
B) Authorization
C) Encryption
D) Decryption

Answer: C) Encryption

120. Which network protocol is used for transmitting email over the internet in a secure manner?

A) SMTP
B) POP3
C) IMAP
D) SSL/TLS

Answer: D) SSL/TLS

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