NETWORK PORTS AND PROTOCOLS PRACTICE EXAM QUESTIONSVersion en ligne COMPTIA A+ PRACTICE QUESTIONS par Karen 1 Which of the following ports are used for file transfers? Select TWO Choose one or more answers a 21 b 110 c 25 d 23 e 20 f 53 2 Which of the following port is used to retrieve email messages from an email server to a local email client application? a 21 b 110 c 25 d 23 e 20 f 53 3 Which of the following port is used to send mail to a mail server and to transfer email messages between mail servers. a 21 b 110 c 25 d 23 e 20 f 53 4 Which of the following port is used with non-encrypted (in-the-clear) terminal communications? a 21 b 110 c 25 d 23 e 20 f 53 5 Which of the following port is used to convert fully qualified domain name to IP addresses? a 21 b 110 c 25 d 23 e 20 f 53 6 What port should be configured in a firewall to block secure terminal communication? a 23 b 443 c 22 d 110 7 What port should be used for terminal communication without encrypting the data? a 23 b 443 c 22 d 110 8 What port sends encrypted browser traffic using SSL Secure Sockets Layer or TLS Transport Layer Security? a 23 b 443 c 22 d 110 9 What port is used to retrieve messages from an email server? a 23 b 443 c 22 d 110 10 A firewall is configured to block email transfers from a remote server. Which of the following ports is the firewall blocking? a 443 b 22 c 23 d 25 11 Which of the following ports are used for file transfers? Select TWO Choose one or more answers a 21 b 110 c 25 d 23 e 20 f 53
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