How many zones should you identify?

You are a SharePoint administrator for Litware, Inc. The company policy and requirements are described in the Exhibit (Refer to the Exhibit).

You are evaluating whether to implement a single server farm for the SharePoint Server 2010 deployment. You need to identify the minimum number of zones required for the single server farm.
How many zones should you identify?

A.
6

B.
4

C.
2

D.
1

Explanation:
Q047
BURGOS MNEMO: “index partitions” = “2”

BURGOS COMMENTS:
About Numeric Questions Q003, Q047, Q059, Q080, Q086, Q088, Q089, Q110, Q118:
THEN = “2” IF “number of Hyper-V servers” OR “number of zones” OR number of index partitions (Q047, Q080, Q089)
THEN = “2” IF “number of WEB servers” (Q118)
THEN = “3” IF “number of servers” (if apperas on exhibit “crawling fault tolerance is not required”) (Q110)
THEN = “4” IF “number of servers” (SQL fault tolerance) (Q086)
THEN = “5” IF “number of site collection 3+2” (Q003)
THEN = “13” IF “number of site collection 10+1+1+1” (Q089)
ELSE > “20” (“40” OR “50”) IF “number of content databases” (Q059, Q088)

ORIGINAL COMMENTS:
“The network contains an internal network and a perimeter network” .2 zones .