CS8591-CN-WEEKLY TEST QUIZ 5

Which among the following are delivered by the transport layer in process-to-process delivery mechanism?

• Frames
• Datagrams
• Packets
• all of the mentioned

Which among the following are uncontrolled and un-registered form of ephemeral ports in accordance to IANA?

• Well known Ports
• Registered Ports
• Dynamic Ports
• all of the mentioned

What is the purpose of using source & destination port numbers respectively in the addressing method of transport layer?

• For Delivery & Reply operations
• For Reply & Delivery operations
• Only for Delivery operations
• Only for Reply operations

Which among the several transport services deals with the addresses, protocol utility class in addition to performance evaluating features of a connection?

• Connection Management
• Quality of Service
• User Interface
• Status Reporting

Which mechanism/s is/are extremely essential in data link and transport layers in accordance to operational services offered by the transport protocols?

• Buffering
• Flow Control
• Both a & b
• None of the above

Which TCP timer signifies its contribution in measuring the time of connection maintenance in TIME_WAIT state?

• Keep alive Timer
• Persist Timer
• Retransmission Timer
• 2 Maximum Segment lifetime Timer

Which mechanism in transport layer supplies multiple network connections along with the distribution of traffic over them in a round-robin basis/ fashion?

• Upward Multiplexing
• Downward Multiplexing
• Buffering & Flow Control
• Crash Recovery

Which of the following that a data field can carry?

• ICMP messages
• TCP segment
• UDP segment
• none of the mentioned

Which of the protocol at transport layer provides connection oriented service?

• UDP
• TCP
• IP
• IPX

Transport layer aggregates data from different applications into a single stream before passing it to

• network layer
• data link layer
• application layer
• physical layer