ExamView - cnet306_16w_t1.tst Student ID: Name: Date: XXXXXXXXXX 1 CNET306/16W Test1 (40pts) True/False Indicate whether the statement is true or false, 1 pt ea. ____ 1. When installing Linux over...

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This assignment is about Linus Ubuntu server basic test. It is about Unix/Linux in industrial applications, virtualization and cloud technologies.CLI and Job Control,Automating tasks andwriting shell scripts,i


ExamView - cnet306_16w_t1.tst Student ID: Name: Date: 2016-03-02 1 CNET306/16W Test1 (40pts) True/False Indicate whether the statement is true or false, 1 pt ea. ____ 1. When installing Linux over network, you have to use the Kickstart configuration file. ____ 2. You must configure your NICs manually because Linux kernel cannot detect them automatically. ____ 3. yum installs only the specified package and skips its dependencies. ____ 4. bootloader can pass initialisation parametres to the Unix/Linux kernel that is being loaded. ____ 5. messagebus service is required in order for system-config-firewall-tui to run. ____ 6. A reverse look-up zone database contains A and PTR records. ____ 7. xinetd, aka the Superserver, is used to start services upon request. ____ 8. nfs server is used to deliver the kernel and the initial ram disk image when booting a client over the network. ____ 9. pxelinux daemon is installed when syslinux application package is installed. ____ 10. dhclient can be made to request a predefined host configuration from a dhcp daemon. Multiple Choice Identify the choice that best completes the statement or answers the question, 2pts ea. ____ 11. Which of the following is used to start/stop daemons ? a. # chkconfig --start/--stop c. # /etc/sysconfig/{start,stop} b. # service --start/--stop d. # service start/stop ____ 12. Which of the following is used to describe the address 127.0.0.1 ? a. local address c. lookup address b. host address d. localhost ____ 13. Which of the following is used to resolve host names if a DNS server is not available ? a. /etc/services c. /etc/sysconfig/network b. /etc/hosts d. /etc/sysconfig/hostname ____ 14. Which of the following is used to define which dns server to contact ? a. /etc/hosts c. /etc/services b. /etc/resolv.conf d. /etc/dnsname.conf Student ID: Name: Date: 2016-03-02 2 ____ 15. Which of the following is used to transfer files between hosts securely ? a. rcp c. tftp b. scp d. ftp Matching 1pt ea. Match the following concepts with the descriptions below : a. Pre-eXecution Environment f. /etc/resolv.conf b. chkconfig g. BOOTPROTO=none c. pxelinux.0 h. next-server d. dbus i. masquerading e. dig j. insecure ____ 16. a tool in bind-utils used to test a nameserver ____ 17. boot loader used when booting over a network. ____ 18. SNAT with dynamic interface address enabled by firewall configurator. ____ 19. the parametre in ifcfg-ethX to assign static IP configuration. ____ 20. makes a service persistent across system boot. ____ 21. is used by resolver libraries to tell which nameserver(s) to contact. ____ 22. a dependency of firewall configurator that provides messagebus service. ____ 23. option in /etc/dhcp/dhcpd.conf to tell a pxeclient which tftp server to contact. ____ 24. booting a client across a network ____ 25. an nfs-share parametre to accept connection requests on ports above 1024 Short Answer 2pts ea. 26. Identify the two files that must be delivered to a PXE client when the user selects to boot into CentOS in the default menu. 1. Description : 2. Description : Student ID: Name: Date: 2016-03-02 3 27. Identify the configuration files needed to implement a DNS server : 1. Purpose : 2. Purpose : 3. Purpose : Student ID: Name: Date: 2016-03-02 4 Problem 6pts ea. 28. Given the screenshot, identify the problem and write the command(s) to correct the situation. ID: A 1 CNET306/16W Test1 (40pts) Answer Section TRUE/FALSE 1. ANS: F Kickstart is only one method to configure a CentOS installation. Other distros use different methods. PTS: 2 2. ANS: F Linux kernel always detects NICs. Even the installation procedure does not configure a NIC automatically. It asks you, instead, whether you want to configure it using a dhcp server, or manually during installation. PTS: 2 3. ANS: F yum installs a package with its dependencies together. PTS: 2 4. ANS: T PTS: 2 REF: Ch 8 5. ANS: T PTS: 2 6. ANS: F A reverse look-up zone database contains PTR records. A records are stored in zone database. PTS: 2 7. ANS: T PTS: 2 8. ANS: F tftp server is used to deliver them. PTS: 2 9. ANS: F There is no daemon that comes out from the syslinux package. There is no daemon called pxelinux. PTS: 2 10. ANS: T Use dhcp-client-identifier option in /etc/dhcp/dhclient-ethX.conf . PTS: 2 MULTIPLE CHOICE 11. ANS: D PTS: 3 12. ANS: D PTS: 3 13. ANS: B PTS: 3 14. ANS: B PTS: 3 15. ANS: B PTS: 3 ID: A 2 MATCHING 16. ANS: E PTS: 6 17. ANS: C PTS: 6 18. ANS: I PTS: 6 19. ANS: G PTS: 6 20. ANS: B PTS: 6 21. ANS: F PTS: 6 22. ANS: D PTS: 6 23. ANS: H PTS: 6 24. ANS: A PTS: 6 25. ANS: J PTS: 6 SHORT ANSWER 26. ANS: 1. vmlinuz, Linux kernel 2. initrd.img, Initial RAM disk. PTS: 1 27. ANS: 1. /etc/named.conf 2. /var/named/master/db.zone 3. /var/named/master/db.arpa PTS: 1 PROBLEM 28. ANS: Problem : Name resolution problem because localhost is not listed in /etc/resolv.conf. ip link list returns only eth1 and eth2. dhclient is configured on the non-existing NIC. Solution : # mv /etc/dhcp/dhclient-eth0.conf /etc/dhcp/dhclient-eth1.conf # service network restart PTS: 1
Answered 10 days AfterJul 07, 2022

Answer To: ExamView - cnet306_16w_t1.tst Student ID: Name: Date: XXXXXXXXXX 1 CNET306/16W Test1 (40pts)...

Chirag answered on Jul 17 2022
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