1.5. Describe Common Network Applications and Protocols. 100-150 Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   What is the primary purpose of NTP?

   • ATo synchronize clocks across network devices
   • BTo transfer files securely between devices
   • CTo resolve domain names to IP addresses
   • DTo assign IP addresses to network devices
   Reveal Solution Discussion Select an answer first
2. 22foundation · easy

   Which characteristic is true of TCP but NOT of UDP?

   • AIt establishes a session before transmitting data.
   • BIt has a smaller header overhead than UDP.
   • CIt is commonly used for real-time streaming applications.
   • DIt provides connectionless best-effort delivery.
   Reveal Solution Discussion Select an answer first
4. 23foundation · easy

   Which of the following parameters can be provided by a DHCP server to a client?

   • AMAC address and encryption key
   • BIP address and subnet mask
   • CDomain name and TLS certificate
   • DRouting table and firewall rules
   Reveal Solution Discussion Select an answer first
5. 24application · medium

   A user types 'www.example.com' in a browser and receives an error that the site cannot be found. The IT admin verifies that the web server is running and reachable by IP address. What is the most likely cause?

   • ADNS resolution is failing for the domain name
   • BThe user's browser has disabled JavaScript
   • CThe web server is blocking HTTP requests
   • DThe network cable is unplugged
   Reveal Solution Discussion Select an answer first
6. 25foundation · easy

   Which protocol does SFTP rely on for its secure communication?

   • ASSH
   • BSSL
   • CTLS
   • DIPsec
   Reveal Solution Discussion Select an answer first