{"id":23074,"date":"2026-09-26T11:29:53","date_gmt":"2026-09-26T11:29:53","guid":{"rendered":"https:\/\/www.examlabs.com\/certification\/?p=23074"},"modified":"2026-09-26T11:29:53","modified_gmt":"2026-09-26T11:29:53","slug":"lpi-202-450-practice-test-questions-and-exam-dumps-part-18-q341-360","status":"publish","type":"post","link":"https:\/\/www.examlabs.com\/certification\/lpi-202-450-practice-test-questions-and-exam-dumps-part-18-q341-360\/","title":{"rendered":"LPI 202-450 Practice Test Questions and Exam Dumps Part 18 Q341-360"},"content":{"rendered":"

View Full <\/b>LPI 202-450\u00a0 Exam Dumps<\/b><\/a> and Practice Test Dumps<\/b><\/h1>\n

 <\/p>\n

Question 341. Which BIND directive controls whether a server will send recursive queries on behalf of clients?<\/b><\/p>\n

    \n
  1. <\/b> allow-transfer<\/span><\/li>\n
  2. <\/b> recursion<\/span><\/li>\n
  3. <\/b> notify<\/span><\/li>\n
  4. <\/b> check-names<\/span><\/li>\n<\/ol>\n

    Correct Answer: 2. recursion<\/b><\/p>\n

    Explanation :-<\/b><\/p>\n

    The <\/span>recursion<\/span> directive in BIND controls whether recursive query processing is enabled. When set to <\/span>yes<\/span>, the server can perform recursive lookups for clients, which is commonly required for a caching or recursive DNS server. This is different from <\/span>allow-recursion<\/span>, which controls which clients are permitted to use recursive service. An authoritative-only DNS server commonly disables recursion to reduce unnecessary processing and avoid becoming an open resolver. Other directives have different purposes: <\/span>allow-transfer<\/span> controls zone transfers, <\/span>notify<\/span> controls DNS NOTIFY behavior, and <\/span>check-names<\/span> affects name syntax checking.<\/span><\/p>\n

    Question 342. In Apache HTTP Server, which directive is used to define a virtual host’s canonical hostname?<\/b><\/p>\n

      \n
    1. <\/b> DirectoryIndex<\/span><\/li>\n
    2. <\/b> DocumentRoot<\/span><\/li>\n
    3. <\/b> ErrorDocument<\/span><\/li>\n
    4. <\/b> ServerName<\/span><\/li>\n<\/ol>\n

      Correct Answer: 4. ServerName<\/b><\/p>\n

      Explanation :-<\/b><\/p>\n

      The Apache <\/span>ServerName<\/span> directive specifies the hostname and, optionally, the port that the server uses to identify itself within a virtual host or server configuration. It is especially important in name-based virtual hosting because Apache uses the requested hostname to select the appropriate <\/span><VirtualHost><\/span> configuration. <\/span>DocumentRoot<\/span> specifies where web files are stored, <\/span>DirectoryIndex<\/span> determines default index files, and <\/span>ErrorDocument<\/span> defines custom responses for HTTP errors. A properly configured <\/span>ServerName<\/span> also helps avoid ambiguous hostname identification and related startup warnings on many Apache installations.<\/span><\/p>\n

      Question 343. Which NFS export option prevents a client from using root privileges to access exported files as the server’s root user?<\/b><\/p>\n

        \n
      1. <\/b> root_squash<\/span><\/li>\n
      2. <\/b> no_subtree_check<\/span><\/li>\n
      3. <\/b> sync<\/span><\/li>\n
      4. <\/b> insecure<\/span><\/li>\n<\/ol>\n

        Correct Answer: 1. root_squash<\/b><\/p>\n

        Explanation :-<\/b><\/p>\n

        The NFS <\/span>root_squash<\/span> option maps requests from the client-side root user to an unprivileged identity on the NFS server. This reduces the security risk of allowing a remote root account to access files with server-side root privileges. It is commonly used for NFS exports because client machines should not automatically gain root-level authority over server files. <\/span>no_subtree_check<\/span> controls subtree checking, <\/span>sync<\/span> affects when changes are committed, and <\/span>insecure<\/span> permits connections from non-privileged client ports. The root-squashing behavior is therefore specifically associated with limiting remote root privileges.<\/span><\/p>\n

        Question 344. Which Samba utility displays information about the current connections to a Samba server?<\/b><\/p>\n

          \n
        1. <\/b> testparm<\/span><\/li>\n
        2. <\/b> smbclient<\/span><\/li>\n
        3. <\/b> smbstatus<\/span><\/li>\n
        4. <\/b> smbpasswd<\/span><\/li>\n<\/ol>\n

          Correct Answer: 3. smbstatus<\/b><\/p>\n

          Explanation :-<\/b><\/p>\n

          The <\/span>smbstatus<\/span> utility displays information about current Samba connections, including connected clients, locked files, and active sessions. It is useful when troubleshooting file-sharing activity or determining which users and systems currently have connections to a Samba server. <\/span>testparm<\/span> is primarily used to validate and inspect Samba configuration files. <\/span>smbclient<\/span> provides a command-line client for accessing SMB\/CIFS shares, while <\/span>smbpasswd<\/span> manages Samba password information. Administrators can therefore use <\/span>smbstatus<\/span> when they need operational information about active Samba sessions rather than configuration validation.<\/span><\/p>\n

          Question 345. Which DNS record identifies the mail server responsible for receiving email for a domain?<\/b><\/p>\n

            \n
          1. <\/b> CNAME<\/span><\/li>\n
          2. <\/b> PTR<\/span><\/li>\n
          3. <\/b> TXT<\/span><\/li>\n
          4. <\/b> MX<\/span><\/li>\n<\/ol>\n

            Correct Answer: 4. MX<\/b><\/p>\n

            Explanation :-<\/b><\/p>\n

            An MX, or Mail Exchange, record specifies the mail servers responsible for accepting email for a DNS domain. An MX record normally contains a preference value and the hostname of the mail server. When multiple MX records exist, the preference values help determine the order in which mail servers should be attempted. A CNAME provides an alias for another DNS name, PTR records support reverse DNS lookups, and TXT records contain arbitrary text data commonly used for verification and email-related policies. Correct MX configuration is therefore essential for reliable inbound email delivery.<\/span><\/p>\n

            Question 346. Which DHCP option supplies clients with the IP address of a DNS resolver?<\/b><\/p>\n

              \n
            1. <\/b> Option 6<\/span><\/li>\n
            2. <\/b> Option 3<\/span><\/li>\n
            3. <\/b> Option 15<\/span><\/li>\n
            4. <\/b> Option 1<\/span><\/li>\n<\/ol>\n

              Correct Answer: 1. Option 6<\/b><\/p>\n

              Explanation :-<\/b><\/p>\n

              DHCP option 6 specifies DNS servers that DHCP clients should use for name resolution. A DHCP server can provide one or more resolver IP addresses through this option, allowing clients to automatically configure their DNS settings without manual intervention. Option 3 identifies the default gateway, option 15 specifies the DNS domain name, and option 1 defines the subnet mask. When troubleshooting automatically assigned DNS settings, administrators should therefore check whether the DHCP server is supplying the expected values through option 6.<\/span><\/p>\n

              Question 347. Which Postfix parameter specifies the domains for which the local machine should consider itself the final destination?<\/b><\/p>\n

                \n
              1. <\/b> relayhost<\/span><\/li>\n
              2. <\/b> mynetworks<\/span><\/li>\n
              3. <\/b> mydestination<\/span><\/li>\n
              4. <\/b> myorigin<\/span><\/li>\n<\/ol>\n

                Correct Answer: 3. mydestination<\/b><\/p>\n

                Explanation :-<\/b><\/p>\n

                The Postfix <\/span>mydestination<\/span> parameter identifies the domains and hostnames for which Postfix should deliver mail locally. Messages addressed to destinations listed there are treated as local mail rather than being forwarded to another mail server. This parameter is therefore important when configuring a server that receives email for its own domains. <\/span>relayhost<\/span> specifies an upstream relay, <\/span>mynetworks<\/span> identifies trusted networks, and <\/span>myorigin<\/span> determines the domain appended to locally generated mail. Misconfiguring <\/span>mydestination<\/span> can cause mail to be incorrectly rejected, relayed, or delivered.<\/span><\/p>\n

                Question 348. In Dovecot, which configuration database defines how user authentication credentials are obtained?<\/b><\/p>\n

                  \n
                1. <\/b> service imap<\/span><\/li>\n
                2. <\/b> mail_location<\/span><\/li>\n
                3. <\/b> namespace<\/span><\/li>\n
                4. <\/b> passdb<\/span><\/li>\n<\/ol>\n

                  Correct Answer: 4. passdb<\/b><\/p>\n

                  Explanation :-<\/b><\/p>\n

                  Dovecot uses the <\/span>passdb<\/span> configuration to define how authentication credentials are obtained and verified. Depending on the deployment, credentials can be checked against files, system accounts, SQL databases, LDAP, or other authentication backends. The related <\/span>userdb<\/span> configuration provides information about users after authentication, such as UID, GID, or mail location. <\/span>mail_location<\/span> specifies where mailboxes are stored, while namespace settings define mailbox namespaces. Understanding the distinction between <\/span>passdb<\/span> and <\/span>userdb<\/span> is important when troubleshooting authentication and mailbox-access problems in Dovecot-based mail services.<\/span><\/p>\n

                  Question 349. Which OpenSSH command-line option specifies the identity file to use for public-key authentication?<\/b><\/p>\n

                    \n
                  1. <\/b> -i<\/span><\/li>\n
                  2. <\/b> -p<\/span><\/li>\n
                  3. <\/b> -L<\/span><\/li>\n
                  4. <\/b> -X<\/span><\/li>\n<\/ol>\n

                    Correct Answer: 1. -i<\/b><\/p>\n

                    Explanation :-<\/b><\/p>\n

                    The OpenSSH client uses the <\/span>-i<\/span> option to specify a private key file for authentication. For example, <\/span>ssh -i ~\/.ssh\/server_key user@example.com<\/span> tells the SSH client to use that identity file when attempting to authenticate. The <\/span>-p<\/span> option specifies a non-default server port, <\/span>-L<\/span> establishes local port forwarding, and <\/span>-X<\/span> enables X11 forwarding. Using an explicit identity file is especially useful when a user maintains multiple SSH keys for different servers, accounts, or environments. File permissions on private keys must also be appropriately restricted.<\/span><\/p>\n

                    Question 350. Which command displays the current SELinux enforcement mode?<\/b><\/p>\n

                      \n
                    1. <\/b> semanage<\/span><\/li>\n
                    2. <\/b> restorecon<\/span><\/li>\n
                    3. <\/b> audit2allow<\/span><\/li>\n
                    4. <\/b> getenforce<\/span><\/li>\n<\/ol>\n

                      Correct Answer: 4. getenforce<\/b><\/p>\n

                      Explanation :-<\/b><\/p>\n

                      The <\/span>getenforce<\/span> command reports the current SELinux enforcement mode. Its output is typically <\/span>Enforcing<\/span>, <\/span>Permissive<\/span>, or <\/span>Disabled<\/span>. In enforcing mode, SELinux policy violations are actively blocked. In permissive mode, violations are logged but generally not prevented by SELinux. <\/span>restorecon<\/span> restores security contexts, <\/span>semanage<\/span> manages SELinux policy-related configuration, and <\/span>audit2allow<\/span> can generate policy rules from audit information. Administrators frequently use <\/span>getenforce<\/span> as an initial troubleshooting step when determining whether SELinux is actively enforcing security policy on a system.<\/span><\/p>\n

                      Question 351. Which nftables command displays the complete active ruleset across configured tables and chains?<\/b><\/p>\n

                        \n
                      1. <\/b> nft list ruleset<\/span><\/li>\n
                      2. <\/b> nft show firewall<\/span><\/li>\n
                      3. <\/b> nft display all<\/span><\/li>\n
                      4. <\/b> nft rules<\/span><\/li>\n<\/ol>\n

                        Correct Answer: 1. nft list ruleset<\/b><\/p>\n

                        Explanation :-<\/b><\/p>\n

                        The <\/span>nft list ruleset<\/span> command displays the complete nftables ruleset currently loaded in the kernel. It can show tables, chains, sets, and rules across the firewall configuration, making it useful for auditing and troubleshooting. More targeted commands can display individual tables or chains, but <\/span>list ruleset<\/span> provides a broad view of the active configuration. The other options listed are not standard nftables commands for displaying the complete ruleset. Administrators commonly use this command to verify whether expected firewall rules are actually present and active.<\/span><\/p>\n

                        Question 352. Which DNS record is used for reverse resolution from an IPv4 address to a hostname?<\/b><\/p>\n

                          \n
                        1. <\/b> A<\/span><\/li>\n
                        2. <\/b> MX<\/span><\/li>\n
                        3. <\/b> PTR<\/span><\/li>\n
                        4. <\/b> NS<\/span><\/li>\n<\/ol>\n

                          Correct Answer: 3. PTR<\/b><\/p>\n

                          Explanation :-<\/b><\/p>\n

                          A PTR record maps an IP address to a hostname and is used for reverse DNS resolution. IPv4 reverse DNS records are normally stored under the <\/span>in-addr.arpa<\/span> domain. For example, a lookup of an IPv4 address can retrieve its associated PTR record when reverse DNS is correctly configured. An A record maps a hostname to an IPv4 address, MX identifies mail servers, and NS identifies authoritative name servers for a DNS zone. Reverse DNS is commonly used for diagnostics, logging, and email-server reputation checks.<\/span><\/p>\n

                          Question 353. Which Apache directive specifies the file or response returned when a requested resource produces an HTTP error?<\/b><\/p>\n

                            \n
                          1. <\/b> ServerAlias<\/span><\/li>\n
                          2. <\/b> ErrorDocument<\/span><\/li>\n
                          3. <\/b> DirectoryIndex<\/span><\/li>\n
                          4. <\/b> Listen<\/span><\/li>\n<\/ol>\n

                            Correct Answer: 2. ErrorDocument<\/b><\/p>\n

                            Explanation :-<\/b><\/p>\n

                            Apache’s <\/span>ErrorDocument<\/span> directive defines what should be returned when a particular HTTP error occurs. Administrators can configure a local file, a local URL, or another response for errors such as 404 Not Found or 403 Forbidden. For example, an administrator can use <\/span>ErrorDocument 404 \/404.html<\/span> to provide a custom page when a requested resource does not exist. <\/span>ServerAlias<\/span> defines alternative hostnames, <\/span>DirectoryIndex<\/span> specifies default index files, and <\/span>Listen<\/span> controls network addresses and ports on which Apache accepts connections.<\/span><\/p>\n

                            Question 354. Which command is commonly used to mount an NFS filesystem from a remote server?<\/b><\/p>\n

                              \n
                            1. <\/b> exportfs<\/span><\/li>\n
                            2. <\/b> showmount<\/span><\/li>\n
                            3. <\/b> mount<\/span><\/li>\n
                            4. <\/b> nfsstat<\/span><\/li>\n<\/ol>\n

                              Correct Answer: 3. mount<\/b><\/p>\n

                              Explanation :-<\/b><\/p>\n

                              The <\/span>mount<\/span> command is commonly used to attach an NFS export to a local directory. For example, an administrator can specify an NFS server and exported path as the remote filesystem and provide a local mount point. The <\/span>exportfs<\/span> command manages exports on an NFS server, <\/span>showmount<\/span> displays information about NFS exports and clients, and <\/span>nfsstat<\/span> reports NFS statistics. Mounting an NFS filesystem may involve specifying the filesystem type with <\/span>-t nfs<\/span> and additional options depending on the NFS version and required behavior.<\/span><\/p>\n

                              Question 355. Which Postfix command displays the current mail queue?<\/b><\/p>\n

                                \n
                              1. <\/b> postmap<\/span><\/li>\n
                              2. <\/b> postsuper<\/span><\/li>\n
                              3. <\/b> postconf<\/span><\/li>\n
                              4. <\/b> postqueue<\/span><\/li>\n<\/ol>\n

                                Correct Answer: 4. postqueue<\/b><\/p>\n

                                Explanation :-<\/b><\/p>\n

                                The <\/span>postqueue<\/span> utility is used to inspect and manage the Postfix mail queue, with <\/span>postqueue -p<\/span> commonly used to display queued messages. This is useful when diagnosing delayed or undelivered mail. <\/span>postmap<\/span> creates and manages indexed lookup databases, <\/span>postconf<\/span> displays or modifies Postfix configuration parameters, and <\/span>postsuper<\/span> performs administrative operations on queued messages, such as deleting or moving them. Examining the mail queue is often an early troubleshooting step when messages remain pending instead of being delivered.<\/span><\/p>\n

                                Question 356. Which file commonly contains the system’s resolver configuration on traditional Linux systems?<\/b><\/p>\n

                                  \n
                                1. <\/b> \/etc\/resolv.conf<\/span><\/li>\n
                                2. <\/b> \/etc\/hosts.allow<\/span><\/li>\n
                                3. <\/b> \/etc\/nsswitch.conf<\/span><\/li>\n
                                4. <\/b> \/etc\/services<\/span><\/li>\n<\/ol>\n

                                  Correct Answer: 1. \/etc\/resolv.conf<\/b><\/p>\n

                                  Explanation :-<\/b><\/p>\n

                                  The <\/span>\/etc\/resolv.conf<\/span> file traditionally contains DNS resolver configuration, including nameserver addresses and resolver-related search domains. Applications and resolver libraries can use this information when performing DNS lookups. On systems using NetworkManager or systemd-resolved, the file may be generated or managed dynamically rather than edited permanently by hand. <\/span>\/etc\/hosts.allow<\/span> is associated with TCP wrappers, <\/span>\/etc\/nsswitch.conf<\/span> controls the order of name-service sources, and <\/span>\/etc\/services<\/span> maps service names to port numbers. Understanding these distinctions helps diagnose DNS and hostname-resolution problems.<\/span><\/p>\n

                                  Question 357. Which SSH server configuration directive changes the TCP port on which sshd listens?<\/b><\/p>\n

                                    \n
                                  1. <\/b> ListenAddress<\/span><\/li>\n
                                  2. <\/b> AllowUsers<\/span><\/li>\n
                                  3. <\/b> Port<\/span><\/li>\n
                                  4. <\/b> HostKey<\/span><\/li>\n<\/ol>\n

                                    Correct Answer: 3. Port<\/b><\/p>\n

                                    Explanation :-<\/b><\/p>\n

                                    The OpenSSH server’s <\/span>Port<\/span> directive specifies the TCP port on which <\/span>sshd<\/span> accepts SSH connections. The default is normally TCP port 22, although administrators may configure another port when required by their environment. <\/span>ListenAddress<\/span> controls the local addresses on which the daemon listens, <\/span>AllowUsers<\/span> restricts which accounts may connect, and <\/span>HostKey<\/span> identifies server host-key files. After changing the SSH port, administrators must ensure that the firewall permits the new port and that clients connect using the corresponding port number.<\/span><\/p>\n

                                    Question 358. Which command recursively restores the default SELinux security contexts for files under a directory?<\/b><\/p>\n

                                      \n
                                    1. <\/b> restorecon -R<\/span><\/li>\n
                                    2. <\/b> chcon -r<\/span><\/li>\n
                                    3. <\/b> semanage restore<\/span><\/li>\n
                                    4. <\/b> setsebool -R<\/span><\/li>\n<\/ol>\n

                                      Correct Answer: 1. restorecon -R<\/b><\/p>\n

                                      Explanation :-<\/b><\/p>\n

                                      The <\/span>restorecon -R<\/span> command recursively restores SELinux security contexts according to the system’s configured file-context policy. It is particularly useful after files have been copied, moved, or otherwise assigned incorrect contexts. The <\/span>-R<\/span> option tells <\/span>restorecon<\/span> to process directories recursively. <\/span>chcon<\/span> can directly change contexts but is generally not the preferred mechanism for persistent policy-defined labeling. <\/span>semanage<\/span> is used to manage SELinux policy settings, while <\/span>setsebool<\/span> changes SELinux boolean values. Correct file contexts are essential for services operating under SELinux enforcement.<\/span><\/p>\n

                                      Question 359. Which dig option performs a trace beginning from the DNS root servers to determine the delegation path?<\/b><\/p>\n

                                        \n
                                      1. <\/b> +short<\/span><\/li>\n
                                      2. <\/b> +noall<\/span><\/li>\n
                                      3. <\/b> +trace<\/span><\/li>\n
                                      4. <\/b> +stats<\/span><\/li>\n<\/ol>\n

                                        Correct Answer: 3. +trace<\/b><\/p>\n

                                        Explanation :-<\/b><\/p>\n

                                        The <\/span>dig +trace<\/span> option performs an iterative DNS resolution starting from the root servers and follows referrals through the DNS hierarchy until reaching the authoritative server for the requested name. This makes it valuable when troubleshooting delegation problems, missing records, or unexpected DNS responses. <\/span>+short<\/span> reduces the output to a concise answer, <\/span>+noall<\/span> suppresses most standard output sections, and <\/span>+stats<\/span> controls statistics output. Because <\/span>+trace<\/span> follows the delegation path rather than relying entirely on a recursive resolver, it can reveal where a DNS resolution process is failing.<\/span><\/p>\n

                                        Question 360. Which command displays the available network interfaces and their link-layer state?<\/b><\/p>\n

                                          \n
                                        1. <\/b> ip route show<\/span><\/li>\n
                                        2. <\/b> ip addr flush<\/span><\/li>\n
                                        3. <\/b> ip neigh show<\/span><\/li>\n
                                        4. <\/b> ip link show<\/span><\/li>\n<\/ol>\n

                                          Correct Answer: 4. ip link show<\/b><\/p>\n

                                          Explanation :-<\/b><\/p>\n

                                          The <\/span>ip link show<\/span> command displays network interfaces and information about their link-layer state. Output commonly includes interface names, interface indexes, MAC addresses, and states such as <\/span>UP<\/span>, <\/span>DOWN<\/span>, or related operational information. <\/span>ip route show<\/span> displays the routing table, <\/span>ip neigh show<\/span> displays the neighbor cache, and <\/span>ip addr<\/span> focuses on IP addresses assigned to interfaces. Administrators frequently use <\/span>ip link show<\/span> when diagnosing whether an interface exists and whether its link state is configured as expected.<\/span><\/p>\n

                                           <\/p>\n","protected":false},"excerpt":{"rendered":"

                                          View Full LPI 202-450\u00a0 Exam Dumps and Practice Test Dumps   Question 341. Which BIND directive controls whether a server will send recursive queries on behalf of clients? allow-transfer recursion notify check-names Correct Answer: 2. recursion Explanation :- The recursion directive in BIND controls whether recursive query processing is enabled. When set to yes, the […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1648,1647],"tags":[],"_links":{"self":[{"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/posts\/23074"}],"collection":[{"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/comments?post=23074"}],"version-history":[{"count":1,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/posts\/23074\/revisions"}],"predecessor-version":[{"id":23075,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/posts\/23074\/revisions\/23075"}],"wp:attachment":[{"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/media?parent=23074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/categories?post=23074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/tags?post=23074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}