Quiz-6

Which transport layer feature is used to guarantee session establishment?

• • UDP ACK flag

• • TCP 3-way handshake

• • UDP sequence number

• • TCP port number

What is the complete range of TCP and UDP well-known ports?

• • 0 to 255

• • 0 to 1023

• • 256 – 1023

• • 1024 – 49151

A PC is downloading a large file from a server. The TCP window is 1000 bytes. The server is sending the file using 100-byte segments. How many segments will the server send before it requires an acknowledgment from the PC?

• • 1 segment

• • 10 segments

• • 100 segments

• • 1000 segments

Which factor determines TCP window size?

• • the amount of data to be transmitted

• • the number of services included in the TCP segment

• • the amount of data the destination can process at one time

• • the amount of data the source is capable of sending at one time

What does a client do when it has UDP datagrams to send?

• • It just sends the datagrams.

• • It queries the server to see if it is ready to receive data.

• • It sends a simplified three-way handshake to the server.

• • It sends to the server a segment with the SYN flag set to synchronize the conversation.

Which three fields are used in a UDP segment header? (Choose three.)

• • Window Size

• • Length

• • Source Port

• • Acknowledgment Number

• • Checksum

What information is used by TCP to reassemble and reorder received segments?

• • port numbers

• • sequence numbers

• • acknowledgment numbers

• • fragment numbers

What important information is added to the TCP/IP transport layer header to ensure communication and connectivity with a remote network device?

• • timing and synchronization

• • destination and source port numbers

• • destination and source physical addresses

• • destination and source logical network addresses

Which flag in the TCP header is used in response to a received FIN in order to terminate connectivity between two network devices?

• • FIN

• • SYN

• • ACK

• • RST

Which protocol or service uses UDP for a client-to-server communication and TCP for server-to-server communication?

• • HTTP

• • FTP

• • SMTP

• • DNS