Sun Certified Solaris 9.0 System and Network Administrator AllinOne Exam Guide [Electronic resources] نسخه متنی

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Sun Certified Solaris 9.0 System and Network Administrator AllinOne Exam Guide [Electronic resources] - نسخه متنی

Paul Watters

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Summary



In this chapter, we examined how to easily set up a Solaris DHCP server that can be used to dynamically allocate IP addresses to clients from several different operating systems. Although DHCP server setup involves making some complex decisions about your network architecture, setting up DHCP clients is easy. It's generally considered easier to configure a single server per subnet than 254 clients that all require their settings to be entered manually! However, DHCP administrators should be aware of a number of important security issues, such as the possibility of IP spoofing occurring, and watch the CERT site (http://www.cert.org/) for any advisories.


Questions

















































1.


What is the DHCP server command?



  1. dhcp



  2. in.dhcpd



  3. dhcp_server



  4. server_dhcp






2.


What is the DHCP client command?



  1. dhcpagent



  2. in.dhcpd



  3. dhcp_client



  4. client_dhcp






3.


When configuring DHCP services, which of the following parameters are you not prompted for?



  1. Time zone



  2. NIS server



  3. NIS+ server



  4. LDAP server






4.


What command is used to manually update the contents of dhcptab?



  1. dhtadm



  2. dhtconfig



  3. dhcpd.in



  4. dhcpadm






5.


What Internet Protocol provides the greatest number of IP addresses?



  1. IPv4



  2. IPv6



  3. IPv8



  4. None of the above






6.


What Internet Protocols are supported by Solaris 9?



  1. IPv4 and IPv6



  2. IPv6 and IPv8



  3. IP4 and IPv8



  4. None of the above






7.


What does DHCP provide?



  1. Static IP addresses



  2. Multiple IP addresses per network interface



  3. Leased IP addresses



  4. Firewalls






8.


What is the relationship between BOOTP and DHCP?



  1. DHCP is a superset of BOOTP.



  2. BOOTP is for Windows; DHCP is for Solaris.



  3. BOOTP is for Linux; DHCP is for Solaris.



  4. DHCP is a subset of BOOTP.






9.


What other protocols does DHCP integrate with?



  1. LDAP



  2. SNMP



  3. BOOTP



  4. All of the above






10.


What message is broadcast by a client looking for an IP address?



  1. DHCPACK



  2. DHCPFIND



  3. DHCPDISCOVER



  4. DHCP_TX






11.


What message is broadcast by a server providing IP addresses?



  1. DHCPOFFER



  2. DHCPSERVE



  3. DHCPSERVICE



  4. DHCP_SRV






12.


What message is broadcast by a client finished with an IP address?



  1. DHCPEND



  2. DHCPFINISH



  3. DHCPRELEASE



  4. DHCP_END






13.


What message is broadcast by a server that can't provide IP addresses as specified?



  1. DHCPFAIL



  2. DHCPNACK



  3. DHCPOFF



  4. DHCP_NO_CAN_DO






14.


What message is sent by a server acknowledging a lease?



  1. DHCPOK



  2. DHCPGOOD



  3. DHCPACK



  4. DHCPBACK






15.


What command is used to by clients to specify interface configuration using DHCP?



  1. dhcp



  2. dhcpd



  3. ifconfig



  4. route






Answers
















































1.


B. The DHCP server command is in.dhcpd.


2.


A. The DHCP client command is dhcpagent.


3.


D. When configuring DHCP services, you are not prompted for the LDAP server name.


4.


A. The dhtadm command is used to manually update the contents of dhcptab.


5.


B. IPv6 provides the greatest number of IP addresses.


6.


A. IPv4 and IPv6 are both supported by Solaris.


7.


C. DHCP provides leased IP addresses.


8.


A. DHCP is a superset of BOOTP.


9.


C. DHCP integrates with BOOTP.


10.


C. DHCPDISCOVER is broadcast by a client looking for an IP address.


11.


A. DHCPOFFER is broadcast by a server providing IP addresses.


12.


C. DHCPRELEASE is broadcast by a client finished with an IP address.


13.


B. DHCPNACK is broadcast by a server that can't provide IP addresses as specified.


14.


C. DHCPACK is sent by a server acknowledging a lease.


15.


C. The ifconfig command is used to by clients to specify interface configuration using DHCP.





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