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WorksheetsCNS Transport layer
Total questions: 15
Worksheet time: 12mins
Basic data transfer, flow control, congestion control, multiplexing, connection control is provided by which layer
(a)
What does the port number in a TCP connection specify ?
It specifies the communication process on the two end system
Specifies the quality of data and connection
Specifies the size of data
All options are correct
What is the value of acknowledgement field in a segment (a)
Buffer overflow can be reduced by
Congestion control
Flow control
Data Integrity
Traffic control
In Transport layer ,message is divided into transmittable (a)
Web Pages are stored at the
Server
Client
Domain
Mail server
Transport layer receives in the form 0f
Byte streams
Bit streams
packets
Both packets and byte streams
The source port size in TCP header is (a) bits
Which of the following is found in TCP header, but not in UDP header
Source port #
Destination port #
Checksum
Sequence number
If a TCP socket is ready and listening for incoming connections, it's in the (a) state.
What ordering of TCP flags makes up the Three-way Handshake?
SYN, SYN/ACK, ACK
ACK,SYN/ACK,SYN
ACK ,SYN,SYN/ACK
None of the above
Which of the following describes the operation of TCP window size?
Window size increases as all data transfers.
Window size is the TCP process used to prepare data for transmission.
Window size is decreased if packets are lost.
Window size of 15 means that the next byte expected is byte number 15.
Which protocol is used by FTP to transfer files over the Internet?
TCP
UDP
SMTP
SNMP
What is the purpose of TCP/UDP port numbers?
To indicate the beginning of a three-way handshake.
To reassemble the segments into the correct order.
To identify the numbers of the data packets that can be sent without acknowledgment.
To track the different conversations crossing the network at the same time.
During data transfer, what is the receiving host responsible for? Choose two.
Encapsulation
Bandwidth
Acknowledgment
Reassembly
