Which application below would be likely to use UDP?
A. Real-time audio application such as VoIP.
B. Web browser.
C. Email application.
D. Telnet.
Why does UDP have less overhead than TCP?
A. UDP has less overhead because it is only used for transmission of small amounts of data.
B. UDP has less overhead then TCP because there is no checksum field in UDP.
C. UDP overhead is the same as TCP because it uses the same fields in the header.
D. UDP has less overhead because there is no requirement for acknowledgment or retransmission.
What must the sender do when it receives a window size of 0 from the receiver?
A. Stop transmitting.
B. Terminate the TCP session.
C. Send the next segment.
D. Retransmit the previous segment.
Which of the following statements BEST describes the purpose of UDP (Select two)?
A. Provide a connectionless delivery service.
B. Provide a connection oriented delivery service.
C. Provide an unreliable transmission service.
D. Provide a reliable transmission service.
Which field in the TCP header is used by the receiver to indicate how many segments it can receive?
A. Checksum
B. SYN
C. Destination port
D. Window size
E. MTU
What happens in a TCP session if a segment is not acknowledged within a certain time period?
A. The missing segment is retransmitted.
B. The TCP session is terminated.
C. The sender sends the next segment.
D. An ICMP destination unreachable message is sent.
What is the purpose of TCP flow control?
A. It restricts the sender from sending too much data when there is congestion in the network.
B. It allows the receiver to control the rate at which the sender transmits data.
C. It forces the sender to send only one segment at a time.
D. It allows the receiver to drop segments without the sender having to retransmit.
Which of the following is NOT a field in a TCP header?
A. Source port.
B. MTU.
C. Sequence number.
D. Acknowledgement number.
E. Window size.
Which of the following fields is not a field in the TCP header used for the establishment and termination of a TCP connection?
A. TTL
B. ACK
C. FIN D. SYN
The sequence numbers are used by TCP to ensure that the data receive is provided to the application in the correct order.
A. TRUE
B. FALSE
Nowadays, the certification exams become more and more important and required by more and more enterprises when applying for a job. But how to prepare for the exam effectively? How to prepare for the exam in a short time with less efforts? How to get a ideal result and how to find the most reliable resources? Here on Vcedump.com, you will find all the answers. Vcedump.com provide not only Nokia exam questions, answers and explanations but also complete assistance on your exam preparation and certification application. If you are confused on your 4A0-100 exam preparations and Nokia certification application, do not hesitate to visit our Vcedump.com to find your solutions here.