24 Questions
What is the primary difference between TCP and UDP protocols?
TCP is connection-oriented, UDP is connectionless
What is the maximum size of a segment in TCP segmentation, by default?
1460 Bytes
What is the purpose of the initial sequence number (ISN) in TCP?
To randomly generate a 32-bit sequence number
What is the benefit of TCP session multiplexing?
It enables simultaneous remote connections to different servers
What is the purpose of the acknowledgment (ACK) in TCP?
To indicate the correct reception of data
What is the term for the process of breaking down data into smaller chunks in TCP?
Segmentation
What is the purpose of the three-way handshake in the TCP protocol?
To inform the device on the other end that it wants to establish a session
What is the range of port numbers reserved for well-known network applications?
0 - 1023
What is the primary function of a port number in a network?
To act as an extension of an IP address
What is the total number of possible port number values in a 16-bit header?
65536
What is the purpose of the IANA in regards to port numbers?
To register port numbers for companies
What is the range of port numbers that computers use to open up sockets to connect to remote devices?
49152 - 65536
What is the purpose of keeping segments in the window in memory?
For possible retransmission
What happens to the window when the sender receives an acknowledgment for data sent?
It slides to the right
What is the offered window in this scenario?
The number of segments that can be sent pending an acknowledgment
What is the current status of segments 1 and 2?
Already sent and acknowledged
What happens to segments 9 after an acknowledgment is received?
They can now be sent
What is the purpose of the sliding window protocol?
To ensure reliable data transmission
What is the purpose of the SYN packet in the TCP connection establishment?
To inform the device on the other end of the parameters used for the session
What is the maximum value of the receiver window size?
65535
Why might the receiver not send acknowledgments?
Due to packet loss or slow transmission
What is the purpose of the sender window?
To determine the amount of data that can be sent pending an acknowledgment
What is the purpose of the ACK packet?
To inform the sender that the data has been received correctly
What happens to segments that are still in the window?
They are kept in memory for possible retransmission
Test your knowledge of the transport layer, its protocols and features. Learn about TCP, VoIP, and more in this OSI model focused quiz.
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