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Total 334 questions

Palo Alto Networks Certified Security Engineer (PCNSE) PAN-OS 11.0 Questions and Answers

Question 17

An administrator receives the following error message:

"IKE phase-2 negotiation failed when processing Proxy ID. Received local id 192.168 33 33/24 type IPv4 address protocol 0 port 0, received remote id 172.16 33.33/24 type IPv4 address protocol 0 port 0."

How should the administrator identify the root cause of this error message?

Options:

A.

In the IKE Gateway configuration, verify that the IP address for each VPN peer is accurate

B.

Verify that the IP addresses can be pinged and that routing issues are not causing the connection failure

C.

Check whether the VPN peer on one end is set up correctly using policy-based VPN

D.

In the IPSec Crypto profile configuration, verify that PFS is either enabled on both VPN peers or disabled on both VPN peers.

Question 18

After switching to a different WAN connection, users have reported that various websites will not load, and timeouts are occurring. The web servers work fine from other locations.

The firewall engineer discovers that some return traffic from these web servers is not reaching the users behind the firewall. The engineer later concludes that the maximum transmission unit (MTU) on an upstream router interface is set to 1400 bytes.

The engineer reviews the following CLI output for ethernet1/1.

Which setting should be modified on ethernet1/1 to remedy this problem?

Options:

A.

Lower the interface MTU value below 1500.

B.

Enable the Ignore IPv4 Don't Fragment (DF) setting.

C.

Change the subnet mask from /23 to /24.

D.

Adjust the TCP maximum segment size (MSS) value.

Question 19

An engineer is configuring a firewall with three interfaces:

• MGT connects to a switch with internet access.

• Ethernet1/1 connects to an edge router.

• Ethernet1/2 connects to a visualization network.

The engineer needs to configure dynamic updates to use a dataplane interface for internet traffic. What should be configured in Setup > Services > Service Route Configuration to allow this traffic?

Options:

A.

Set DNS and Palo Alto Networks Services to use the ethernet1/1 source interface.

B.

Set DNS and Palo Alto Networks Services to use the ethernet1/2 source interface.

C.

Set DNS and Palo Alto Networks Services to use the MGT source interface.

D.

Set DDNS and Palo Alto Networks Services to use the MGT source interface.

Question 20

When an engineer configures an active/active high availability pair, which two links can they use? (Choose two)

Options:

A.

HSCI-C

B.

Console Backup

C.

HA3

D.

HA2 backup

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Total 334 questions