A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?
  • LDAP
A client packet is received by a server. The packet has a destination port number of 23. What service application is the client requesting?
  • Telnet
A client packet is received by a server. The packet has a destination port number of 143. What service application is the client requesting?
  • IMAP
A client packet is received by a server. The packet has a destination port number of 22. What service application is the client requesting?
  • SSH
A client packet is received by a server. The packet has a destination port number of 137. What service application is the client requesting?
  • NetBIOS (NetBT)
A client packet is received by a server. The packet has a destination port number of 21. What service application is the client requesting?
  • FTP
Which internet connection type is an always-on service that uses radio signals sent from a tower to a receiver in a home or business?
  • line of sight wireless
Which network device allows administrators to remotely manage many devices through one dashboard interface?
  • cloud-based network controller
Which network device would be the most appropriate to provide stateful packet filtering, email filtering, and VPN services?
  • UTM

A technician with a PC is using multiple applications while connected to the Internet. How is the PC able to keep track of the data flow between multiple application sessions and have each application receive the correct packet flows?

  • The data flow is being tracked based on the source port number that is used by each application.
A user needs to access the Internet from home. Which device is needed if a user connects to an ISP through the telephone network?
  • DSL modem
What is the correct order of the layers of the TCP/IP model from the top layer to the bottom?
  • application, transport, internet, network access