CWNP certification

　
　
Exam : SAIR 3X0-204
Title : Level 2 Sendmailmailing System


1. The MX record for a domain is set to: "IN MX 10 mail.company.com". What additional record types, if any, are required for the machine mail.company.com?
A. mail.company.com should have a CNAME record
B. mail.company.com should have no other records
C. mail.company.com should have an A record
D. mail.company.com should have both a CNAME and a PTR record
E. mail.company.com should have both a CNAME and an A record
Answer: C

2. Which of the following files are checked and/or modified to restrict POP access to machines only in the domain company.com?
A. /etc/hosts
B. /etc/inetd.conf
C. /etc/services
D. /etc/hosts.allow
E. /etc/hosts.deny
Answer: BDE

3. 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

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 from 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: BCE

5. Which of the following are well-known MTAs?
A. Procmail
B. Sendmail
C. Netscape
D. Pine
E. Qmail
Answer: BE

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