common network ports
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Questions and Answers

Which protocol is commonly used to transfer files from one device to another?

  • FTP (correct)
  • HTTP
  • DNS
  • SMTP
  • What are the two port numbers used by FTP?

  • TCP port 80 and TCP port 443
  • TCP port 20 and TCP port 21 (correct)
  • UDP port 53 and UDP port 123
  • TCP port 25 and TCP port 110
  • Why is it important for both the server and the client to know the port number for communication?

  • To determine the protocol used
  • To allow or disallow traffic through firewalls (correct)
  • To establish a reliable connection
  • To ensure secure communication
  • Which protocol is commonly used for terminal communication and provides encryption for data sent over the network?

    <p>SSH</p> Signup and view all the answers

    Which protocol is commonly used for email communication between mail servers and also for sending mail from mail clients?

    <p>SMTP</p> Signup and view all the answers

    What is the purpose of a well-known port number?

    <p>To specify the type of data being transferred</p> Signup and view all the answers

    Which protocol is commonly used for receiving mail in email clients?

    <p>IMAP</p> Signup and view all the answers

    What might firewalls use to make decisions about allowing or disallowing traffic?

    <p>Port numbers</p> Signup and view all the answers

    What kind of authentication is commonly required to log in to a remote device using FTP?

    <p>Username and password</p> Signup and view all the answers

    Which protocol is commonly used for resolving IP addresses from fully qualified domain names?

    <p>DNS</p> Signup and view all the answers

    Why is it important to know the protocols used by specific port numbers?

    <p>To identify the type of data being transferred</p> Signup and view all the answers

    Which protocol is commonly used for automatically assigning IP addresses to devices on a network?

    <p>DHCP</p> Signup and view all the answers

    Which protocol is commonly used for connecting to a remote device through a terminal or command line front end, but sends all communication in clear text?

    <p>Telnet</p> Signup and view all the answers

    Which protocol is commonly used for providing a terminal connection to a remote device and encrypts data sent over the network?

    <p>SSH</p> Signup and view all the answers

    Which protocol is commonly used by web browsers to communicate with web servers?

    <p>HTTP</p> Signup and view all the answers

    Which protocol is used for retrieving email messages to an email client?

    <p>POP3</p> Signup and view all the answers

    Which protocol is commonly used by Microsoft Windows for file transfers and printing?

    <p>SMB</p> Signup and view all the answers

    Which protocol is used for querying infrastructure devices for performance details and receiving metrics in return?

    <p>SNMP</p> Signup and view all the answers

    Which protocol uses TCP port 161 for performing queries and UDP port 162 for sending alerts?

    <p>SNMP</p> Signup and view all the answers

    Which version of SNMP provides encryption, message integrity, authentication, and encryption of all SNMP data?

    <p>SNMP version 3</p> Signup and view all the answers

    Which protocol is commonly used to query directories on modern networks?

    <p>LDAP</p> Signup and view all the answers

    Which protocol is commonly used for remote desktop services in Windows?

    <p>RDP</p> Signup and view all the answers

    Which operating system is RDP almost exclusively found on?

    <p>Windows</p> Signup and view all the answers

    Which protocol is commonly used to query Microsoft Active Directory?

    <p>LDAP</p> Signup and view all the answers

    What is the default TCP port used by RDP?

    <p>3389</p> Signup and view all the answers

    What is the purpose of RDP?

    <p>To provide remote communication</p> Signup and view all the answers

    Which protocol is commonly used to query LDAP?

    <p>LDAP</p> Signup and view all the answers

    Which protocol is commonly used for remote access to someone's desktop?

    <p>RDP</p> Signup and view all the answers

    Which one of the following is true about RDP?

    <p>It is exclusively used on Windows operating systems</p> Signup and view all the answers

    Which one of the following operating systems does not have an RDP client application?

    <p>Android</p> Signup and view all the answers

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