Download Oracle Solaris 11 System Administration.1z0-821.PracticeTest.2018-08-06.139q.tqb
| Vendor: | Oracle |
| Exam Code: | 1z0-821 |
| Exam Name: | Oracle Solaris 11 System Administration |
| Date: | Aug 06, 2018 |
| File Size: | 4 MB |
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Demo Questions
Question 1
User1 is attempting to assist user2 with terminating user2's process 1234.
User1 entered the following: kill -9 1234
Why does the process continue to run?
- You can kill a process only if you are root.
- You can kill only a process that you own.
- You can kill the process only with the pkill command.
- You need to kill the process with a stronger kill signal.
Correct answer: B
Explanation:
Kill -9 Kill (terminates without cleanup) Only works if issued by process owner or super user (root) The program cannot respond to this signal; it must terminate Note: Unix provides security mechanisms to prevent unauthorized users from killing other processes. Essentially, for a process to send a signal to another, the owner of the signaling process must be the same as the owner of the receiving process or be the superuser. Kill -9
Kill (terminates without cleanup)
Only works if issued by process owner or super user (root)
The program cannot respond to this signal; it must terminate
Note: Unix provides security mechanisms to prevent unauthorized users from killing other processes. Essentially, for a process to send a signal to another, the owner of the signaling process must be the same as the owner of the receiving process or be the superuser.
Question 2
Your server has one zone named dbzone (hat has been configured, but not yet installed).
Which command would you use to view all the options that were used to configure this zone?
- zoneadm list –icv dbzone
- zones tat –c summary dbzone
- zonecfg –z dbzone info
- zonecfg –icv dbzone info
Correct answer: C
Explanation:
zonecfg info Display information about the current configuration. If resource-type is specified, displays only information about resources of the relevant type. If any property-name value pairs are specified, displays only information about resources meeting the given criteria. In the resource scope, any arguments are ignored, and info displays information about the resource which is currently being added or modified. Note:zonecfg –z zonename. Specify the name of a zone. Zone names are case sensitive. Zone names must begin with an alphanumeric character and can contain alphanumeric characters, the underscore (_) the hyphen (-), and the dot (.). The name global and all names beginning with SUNW are reserved and cannot be used. Incorrect answer:A: The zoneadm utility is used to administer system zones. A zone is an application container that is maintained by the operating system runtime.list option:Display the name of the current zones, or the specified zone if indicated. B: No such command.D: no such options zonecfg –icv zonecfg info
Display information about the current configuration. If resource-type is specified, displays only information about resources of the relevant type. If any property-name value pairs are specified, displays only information about resources meeting the given criteria. In the resource scope, any arguments are ignored, and info displays information about the resource which is currently being added or modified.
Note:
zonecfg –z
zonename. Specify the name of a zone. Zone names are case sensitive. Zone names must begin with an alphanumeric character and can contain alphanumeric characters, the underscore (_) the hyphen (-), and the dot (.). The name global and all names beginning with SUNW are reserved and cannot be used.
Incorrect answer:
A: The zoneadm utility is used to administer system zones. A zone is an application container that is maintained by the operating system runtime.
list option:
Display the name of the current zones, or the specified zone if indicated.
B: No such command.
D: no such options zonecfg –icv
Question 3
Your users are experiencing delay issues while using their main application that requires connections to remote hosts. You run the command uptime and get the flowing output:
1:07am up 346 day(s), 12:03, 4 users, load average: 0.02, 0.02, 0.01
Which command will be useful in your next step of troubleshooting?
- ipadm
- traceroute
- dladm
- snoop
- arp
Correct answer: B
Explanation:
Test the remote connection with traceroute. The Internet is a large and complex aggregation of network hardware, connected together by gateways. Tracking the route one's packets follow (or finding the miscreant gateway that's discarding your packets) can be difficult. traceroute utilizes the IP protocol `time to live' field and attempts to elicit an ICMP TIME_EXCEEDED response from each gateway along the path to some host. This program attempts to trace the route an IP packet would follow to some internet host by launching UDP probe packets with a small ttl (time to live) then listening for an ICMP "time exceeded" reply from a gateway. Test the remote connection with traceroute.
The Internet is a large and complex aggregation of network hardware, connected together by gateways. Tracking the route one's packets follow (or finding the miscreant gateway that's discarding your packets) can be difficult. traceroute utilizes the IP protocol `time to live' field and attempts to elicit an ICMP TIME_EXCEEDED response from each gateway along the path to some host.
This program attempts to trace the route an IP packet would follow to some internet host by launching UDP probe packets with a small ttl (time to live) then listening for an ICMP "time exceeded" reply from a gateway.
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