NS0-157 · Question #164
Which protocols are allowed by default data firewall policy? (choose all that apply)
The correct answer is A. DNS C. NDMP. The default data firewall policy in NetApp ONTAP permits DNS and NDMP traffic for data SVMs by default.
Question
Which protocols are allowed by default data firewall policy? (choose all that apply)
Options
- ADNS
- BHTTPS
- CNDMP
- DNTP
- ESNMP, SSH, Telnet
How the community answered
(17 responses)- A88% (15)
- B6% (1)
- E6% (1)
Why each option
The default data firewall policy in NetApp ONTAP permits DNS and NDMP traffic for data SVMs by default.
DNS is allowed in the default data firewall policy so that data SVMs can perform hostname resolution required for client access and host lookups.
HTTPS is permitted in the management firewall policy (used for ONTAP System Manager), not in the default data firewall policy applied to data SVMs.
NDMP is allowed by default in the data firewall policy to enable backup applications to communicate directly with data SVMs for data protection operations.
NTP is associated with the management firewall policy to allow time synchronization for the node or cluster management LIF, not the data firewall policy.
SNMP, SSH, and Telnet are management-plane protocols permitted by the management firewall policy, not by the default data firewall policy on data SVMs.
Concept tested: ONTAP default data firewall policy permitted protocols
Source: https://docs.netapp.com/us-en/ontap/networking/manage_firewall_policies_for_lifs.html
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