St.JOSEPH'S CISCO IDEATHON PREPARATION TEST 4 @ 18/6/24

Which transport layer feature is used to guarantee session establishment?

• • UDP ACK flag

• • TCP 3-way handshake

• • UDP sequence number

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

• • 0 to 255

• • 256 – 1023

• • 0 to 1023

What is a socket?

• • the combination of the source and destination IP address and source and destination Ethernet address

• • the combination of a source IP address and port number or a destination IP address and port number

• • the combination of the source and destination sequence and acknowledgment numbers

• • the combination of the source and destination sequence numbers and port numbers

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?

• • 100 segments

• • 1000 segments

• • 10 segments

• • 1 segment

Which factor determines TCP window size?

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

• • the amount of data to be transmitted

• • the number of services included in the TCP segment

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

• • Length

• • Source Port

• • Checksum

• • Acknowledgment Number

What are two roles of the transport layer in data communication on a network? (Choose two.)

• • identifying the proper application for each communication stream

• • tracking the individual communication between applications on the source and destination hosts

• • providing frame delimiting to identify bits making up a frame

• • performing a cyclic redundancy check on the frame for errors

Which two characteristics are associated with UDP sessions? (Choose two.)

• • show protocols

• • Received data is unacknowledged.

• • Transmitted data segments are tracked.

• • Destination devices reassemble messages and pass them to an application.

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

• • HTTP

• • FTP

• • SMTP

• • DNS

What kind of port must be requested from IANA in order to be used with a specific application?

• • registered port

• • private port

• • dynamic port

• • source port