Q. What is the function of the IP protocol in the TCP/IP model?
-
A.
To establish a connection between devices
-
B.
To route packets across networks
-
C.
To encrypt data for security
-
D.
To manage network congestion
Solution
The IP protocol is responsible for routing packets across networks, determining the best path for data transmission.
Correct Answer:
B
— To route packets across networks
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Q. What is the function of the Network Interface layer in the TCP/IP model?
-
A.
To establish a connection between applications
-
B.
To manage data flow between devices
-
C.
To handle physical transmission of data
-
D.
To provide routing information
Solution
The Network Interface layer handles the physical transmission of data over the network medium.
Correct Answer:
C
— To handle physical transmission of data
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Q. What is the main function of a router in a TCP/IP network?
-
A.
To connect devices within the same network
-
B.
To forward packets between different networks
-
C.
To encrypt data packets
-
D.
To manage bandwidth
Solution
A router's main function is to forward packets between different networks, determining the best path for data transmission.
Correct Answer:
B
— To forward packets between different networks
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Q. What is the maximum length of a TCP segment?
-
A.
64 KB
-
B.
128 KB
-
C.
256 KB
-
D.
65,535 bytes
Solution
The maximum length of a TCP segment is 65,535 bytes, which includes both the header and the data.
Correct Answer:
D
— 65,535 bytes
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Q. What is the primary function of a router in a TCP/IP network?
-
A.
To connect devices within the same network
-
B.
To forward packets between different networks
-
C.
To provide wireless connectivity
-
D.
To manage network traffic
Solution
A router's primary function is to forward packets between different networks, determining the best path for data.
Correct Answer:
B
— To forward packets between different networks
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Q. What is the primary function of the Transport layer in TCP/IP?
-
A.
To establish physical connections
-
B.
To route packets across networks
-
C.
To provide reliable or unreliable delivery of data
-
D.
To manage network security
Solution
The primary function of the Transport layer is to provide reliable or unreliable delivery of data, depending on the protocol used.
Correct Answer:
C
— To provide reliable or unreliable delivery of data
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Q. What is the primary purpose of the TCP/IP model?
-
A.
To provide a framework for network communication
-
B.
To define hardware specifications
-
C.
To manage network security
-
D.
To establish physical connections
Solution
The TCP/IP model provides a framework for network communication, allowing different devices to communicate over the internet.
Correct Answer:
A
— To provide a framework for network communication
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Q. What is the purpose of the IP address in TCP/IP?
-
A.
To identify the physical location of a device
-
B.
To provide a unique identifier for a device on a network
-
C.
To encrypt data during transmission
-
D.
To manage bandwidth allocation
Solution
The IP address serves as a unique identifier for a device on a network, allowing for proper routing of data.
Correct Answer:
B
— To provide a unique identifier for a device on a network
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Q. What protocol is used for reliable data transmission in TCP/IP?
-
A.
UDP
-
B.
ICMP
-
C.
TCP
-
D.
IP
Solution
TCP (Transmission Control Protocol) is used for reliable data transmission, providing error checking and guarantees delivery.
Correct Answer:
C
— TCP
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Q. What protocol is used for reliable data transmission in the TCP/IP model?
-
A.
UDP
-
B.
IP
-
C.
TCP
-
D.
HTTP
Solution
TCP (Transmission Control Protocol) is used for reliable data transmission, providing error checking and guarantees delivery.
Correct Answer:
C
— TCP
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Q. Which layer of the TCP/IP model corresponds to the OSI model's Data Link layer?
-
A.
Application layer
-
B.
Transport layer
-
C.
Internet layer
-
D.
Network interface layer
Solution
The Network interface layer of the TCP/IP model corresponds to the Data Link layer of the OSI model.
Correct Answer:
D
— Network interface layer
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Q. Which layer of the TCP/IP model is responsible for end-to-end communication?
-
A.
Application layer
-
B.
Transport layer
-
C.
Internet layer
-
D.
Network interface layer
Solution
The Transport layer is responsible for end-to-end communication, ensuring data is delivered accurately and in order.
Correct Answer:
B
— Transport layer
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Q. Which of the following is a characteristic of the Internet Protocol (IP)?
-
A.
It provides error recovery
-
B.
It is connection-oriented
-
C.
It routes packets across networks
-
D.
It encrypts data
Solution
The Internet Protocol (IP) is responsible for routing packets across networks, but it does not provide error recovery or encryption.
Correct Answer:
C
— It routes packets across networks
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Q. Which of the following is a characteristic of UDP?
-
A.
Connection-oriented
-
B.
Reliable delivery
-
C.
Low latency
-
D.
Error correction
Solution
UDP (User Datagram Protocol) is connectionless and offers low latency, making it suitable for applications like streaming.
Correct Answer:
C
— Low latency
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Q. Which of the following is a connectionless protocol in TCP/IP?
-
A.
TCP
-
B.
UDP
-
C.
HTTP
-
D.
FTP
Solution
UDP (User Datagram Protocol) is a connectionless protocol, meaning it does not establish a connection before sending data.
Correct Answer:
B
— UDP
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Q. Which of the following is NOT a feature of TCP?
-
A.
Connection-oriented
-
B.
Flow control
-
C.
Error detection and correction
-
D.
Broadcast transmission
Solution
Broadcast transmission is not a feature of TCP; TCP is a connection-oriented protocol that ensures reliable communication.
Correct Answer:
D
— Broadcast transmission
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Q. Which of the following is NOT a function of the Internet layer in TCP/IP?
-
A.
Routing packets
-
B.
Addressing hosts
-
C.
Error detection
-
D.
Fragmentation
Solution
Error detection is not a primary function of the Internet layer; it is typically handled at the Transport layer.
Correct Answer:
C
— Error detection
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Q. Which of the following is NOT a valid class of IPv4 addresses?
-
A.
Class A
-
B.
Class B
-
C.
Class C
-
D.
Class D
Solution
Class D is not a valid class for standard IPv4 addressing; it is reserved for multicast addresses.
Correct Answer:
D
— Class D
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Q. Which protocol is used for sending email over the Internet?
-
A.
FTP
-
B.
SMTP
-
C.
HTTP
-
D.
SNMP
Solution
SMTP (Simple Mail Transfer Protocol) is used for sending email over the Internet.
Correct Answer:
B
— SMTP
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Q. Which protocol is used for sending error messages in TCP/IP?
-
A.
TCP
-
B.
UDP
-
C.
ICMP
-
D.
HTTP
Solution
ICMP (Internet Control Message Protocol) is used for sending error messages and operational information in TCP/IP.
Correct Answer:
C
— ICMP
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