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3X0-204 Sair Sendmail Mail Systems
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3X0-204 QUESTION 1 Which of the following functionalities do MTAs provide? A. They deliver outbound e-mail to remote servers B. They allow users to read their e-mail C. They listen for inbound mail from remote servers D. The pass e-mail for local users to the MIDA E. The accept e-mail from the MDA Answer: A, B QUESTION 2 Hannah is an administrator running a small network, and she needs to add a new mail server to the system. Which of the following named.conf entries resembles a mail server entry? A. mailer IN A 146.187.4.2 B. mailer IN CNAME mail.linuxsite.org C. mailer IN NS mail.linuxsite.org D. IN MX 10 mail.linuxsite.org E. IN NS dns.mail.linuxsite.org Answer: D QUESTION 3 Which of the following functions is provided by the TCP weappers package? A. TCP wrappers encrypts connections to the server B. TCP wrappers encrypts connections to the server except from authorized hosts or domains C. TCP wrappers checks usernames and passwords before allowing aonnections D. TCP wrappers enhances the network performance of the server E. TCP wrappers filters connections for common security exploits Answer: B QUESTION 4 Which of the following are reasonable steps for a system administrator to take to reduce the amount of spam received by users of an e-mail system? A. Only accept e-mail trusted hosts B. Only accept inbound e-mail for users in this domain C. Use the DNS blacklist service to refuse e-mail from known spam sources D. Disable any accounts which receive spam E. Filter e-mail headers for known spam subject lines Answer: B, C, E
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3X0-204 QUESTION 5 Which of the following would NOT be an effective way for an e-mail user to prevent spam? A. Creating a mail filter based on the mail header B. Creating a mail filter against usernames with irregular capitalization C. Creating a mail filter against mail from a specific user name D. Using Procmail Answer: C QUESTION 6 Which component of qmail is directly involved in processing aliases? A. qmail-queue B. qmail-send C. qmail-rspawn D. qmail-local E. qmail-alias Answer: D QUESTION 7 An e-mail system has been configured to use the DNS Blacklist (DNSBL) service. What additional setp is performed by the system as a result? A. It checks the user's e-mail account against the deny spam database Web site B. It sends a list of known spammers to a recipient requesting the information to be added to their mail filters C. It controls which applications mail can be sent to based o the DNSBL database D. It keeps track of recipients who requested to be removed from mass mailings E. It checks the IP of each connection from which it is receiving mail agenst entries in the DNSBL database Answer: E QUESTION 8 Which of the following mail transports are already included by the default generic-linux.mc file? A. local B. mime C. uucp D. pop E. smtp Answer: A, E QUESTION 9 Which of the following is a valid entry for Sendmail's aliases file?
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3X0-204
A. real_name -add name _1, name 2,name3 B. real_name: name _1, name 2,name3 C. Alias name _1, name 2,name3 real_name D. real_name= name _1, name 2,name3 E. Alias -add name _1, name 2,name3 Answer: B QUESTION 10 Which of the following best describes the purpose of relay control? A. It controls which applications mail can be sent to for processing B. It optimizes Sendmail to properly use memory allocations specific to an operating system C. It removes the source information from the header and redirects to another mail server with new header information D. It controls the acceptance of messages whose origin and destination are both outside the domain of the server E. It controls the RPCs for a mail server Answer: D QUESTION 11 Which of the following features of Qmail make it a better choice then Sendmail for some e-mail installations? A. Excellent security record B. Support for legacy e-mail protocols C. High e-mail processing speed D. More efficient usage of network bandwidth E. Small footprint Answer: A, C, E QUESTION 12 Which of the following will result if "dnl" is included after each command in the generic-linux.mc file? A. The text from "dnl" unit the end of htat line is ignored B. DNS will not be used in rescolving the address to the host mail server C. Mail can only be sent to servers named in the /etc/hosts and/etc/networks files D. All commands that do not have "dul" after each line are applied locally E. The command on the next line is not executed. Answer: A QUESTION 13 By default, where will Qmail deliver mail?
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