Oracle 1z0-821 Exam With Confidence Using Practice Dumps

A subnetwork, or subnet, is a logically visible subdivision of an IP network. The practice of dividing a network into two or more networks is called subnetting.

The routing prefix of an address is written in a form identical to that of the address itself. This is called the network mask, or netmask, of the address. For example, a specification of the most-significant 18 bits of an IPv4 address, 11111111.11111111.11000000.00000000, is written as 255.255.192.0.

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

A: Snapshots are created by using the zfs snapshot command, which takes as its only argument the name of the snapshot to create.

D: You can list snapshots as follows:

# zfs list -t snapshot

E: Snapshots are destroyed by using the zfs destroy command. For example:

# zfs destroy tank/home/ahrens@now