Errata to Linux+ 2005 In Depth
CHAPTER 15 REVIEW QUESTIONS
(Please note that the answer key in Appendix D of the printed book still correctly applies. The publisher apologizes for any inconvenience.)
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Which port does the HTTP service normally use?
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20
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25
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80
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119
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Which zone configuration file contains the list of DNS zones and their type (master/slave) that the name daemon will manage?
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/var/named/zonename.zone
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/etc/named.conf
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/var/named/named.ca
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/var/named/named.local
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What FTP daemon is shipped with Red Hat Fedora Core 2?
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ftpd
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wu-ftpd
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rhftpd
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vsftpd
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The ____ command is equivalent to the route command.
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route -f
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netstat –r
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showrte
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traceroute
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Which of the following is an IDS that involves modifying the Linux kernel to increase process and file security as well as detect security breaches?
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Linux Intrusion Detection System
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Snort
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Advanced Intrusion Detection Environment
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PortSentry
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True or false? Stand-alone daemons are typically started at boot time.
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True or false? A Linux server cannot serve as a DHCP server.
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True or false? Network File System (NFS) allows UNIX and Linux computers the capability to share files transparently.
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True or false? By default, sshd uses Kerberos authentication.
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True or false? Routers only know the networks to which they are directly connected.
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Daemons identify which packets they should respond to by listening only for packets that have a certain ____ number.
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When a DNS server resolves IP addresses to FQDNs, it is performing a(n) ____ lookup.
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____ is the world’s most common Web server.
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____ can be used to coordinate common configuration files, such as /etc/passwd and /etc/hosts, across several Linux computers within an organization.
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You can use the ____ command to obtain root access only when you need to perform an administrative task.
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