CCNA Chapitre 14

Which layer is responsible for establishing a temporary communication session between the source and destination host applications?

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

Which transport layer protocol statement is true?

• TCP has fewer fields than UDP
• TCP is faster than UDP
• UDP is a best-effort delivery protocol
• UDP provides reliability

Which transport layer protocol would be used for VoIP applications?

• Session Information Protocol (SIP)
• Transmission Control Protocol (TCP)
• User Datagram Protocol (UDP)
• VoIP Transfer Protocol

Which transport layer protocol ensures reliable same-order delivery?

• ICMP
• IP
• TCP
• UDP

Which TCP header statement is true?

• It consists of 4 fields in an 8-byte header
• It consists of 8 fields in a 10-byte header
• It consists of 10 fields in a 20-byte header
• It consists of 20 fields in a 40-byte header

Which of the following is a stateless best-effort delivery transport layer protocol?

• ICMP
• IP
• TCP
• UDP

Which UDP header statement is true?

• It consists of 4 fields in an 8-byte header
• It consists of 8 fields in a 10-byte header
• It consists of 10 fields in a 20-byte header
• It consists of 20 fields in a 40-byte header

Assume a host with IP address 10.1.1.10 wants to request web services from a server at 10.1.1.254. Which of the following would display the correct socket pair?

• 1099:10.1.1.10, 80:10.1.1.254
• 10.1.1.10:80, 10.1.1.254:1099
• 10.1.1.10:1099, 10.1.1.254:80
• 80:10.1.1.10, 1099:10.1.1.254

Which port group includes port numbers for FTP, HTTP, and TFTP applications?

• dynamic ports
• private ports
• registered ports
• well-known ports

Which Windows command would display the protocols in use, the local address and port numbers, the foreign address and port numbers, and the connection state?

• ipconfig /all
• ping
• netstat
• traceroute