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Exam 1z0-821 topic 1 question 136 discussion

Actual exam question from Oracle's 1z0-821
Question #: 136
Topic #: 1
[All 1z0-821 Questions]

You have completed configuring a zone named dbzone on your Solaris 11 server. The configuration is as following:


The global zone displays the following network information:


The zone has never been booted. Which three options correctly describe this zone?

  • A. It is a sparse root zone.
  • B. It is a whole root zone.
  • C. It is an immutable zone.
  • D. It is a native zone.
  • E. The zone shares the network interface with the host.
  • F. The zone uses a virtual network interface.
  • G. The hostid is the same as the global zone.
  • H. The IP address of the zone is 10.0.2.18.
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Suggested Answer: CEG 🗳️
C: Immutable Zones provide read-only file system profiles for solaris non-global zones.
Note that ip-type: exclusive:
Starting with OpenSolaris build 37 and Oracle Solaris 10 8/07, a default zone can be configured as an "exclusive-IP zone" which gives it exclusive access to the
NIC(s) that the zone has been assigned. Applications in such a zone can communicate directly with the NIC(s) available to the zone.
Note on zones:
After installing Oracle Solaris on a system, but before creating any zones, all processes run in the global zone. After you create a zone, it has processes that are associated with that zone and no other zone. Any process created by a process in a non-global zone is also associated with that non-global zone.
Any zone which is not the global zone is called a non-global zone. Most people call non-global zones simply "zones." Some people call them "local zones" but this is discouraged.
The default native zone file system model on Oracle Solaris 10 is called "sparse-root." This model emphasizes efficiency and security at the cost of some configuration flexibility. Sparse-root zones optimize physical memory and disk space usage by sharing some directories, like /usr and /lib. Sparse-root zones have their own private file areas for directories like /etc and /var. Whole-root zones increase configuration flexibility but increase resource usage. They do not use shared file systems for /usr, /lib, and a few others.
There is no supported way to convert an existing sparse-root zone to a whole-root zone. Creating a new zone is required.
by dlicheri at Dec. 29, 2021, 12:53 p.m.

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dlicheri
7 months, 1 week ago
The answer provided is wrong. The file-mac-profile is not set. Therefore it is not an immutable zone. From oracle ... file-mac-profile Property for Immutable Zones In solaris zones, the file-mac-profile is used to configure Immutable Zones with read-only roots.
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