100% Free Juniper JN0-637 Practice Test Questions

Question 1

Which two statements about transparent mode and Ethernet switching mode on an SRX series device are correct.

A : In Ethernet switching mode, Layer 2 interfaces must be placed in a security zone.

B : In Ethernet switching mode, IRB interfaces must be placed in a security zone.

C : In transparent mode, Layer 2 interfaces must be placed in a security zone.

D : In transparent mode, IRB interfaces must be placed in a security zone.

Answer: B,C

Question 2

Exhibit:You are configuring NAT64 on your SRX Series device. You have committed the configuration shown in theexhibit. Unfortunately, the communication with the 10.10.201.10 server is not working. You have verifiedthat the interfaces, security zones, and security policies are all correctly configured.In this scenario, which action will solve this issue?

A : Configure source NAT to translate return traffic from IPv4 address to the IPv6 address of your source device.

B : Configure proxy-ARP on the external IPv4 interface for the 10.10.201.10/32 address.

C : Configure proxy-NDP on the IPv6 interface for the 2001:db8::1/128 address.

D : Configure destination NAT to translate return traffic from the IPv4 address to the IPv6 address of your source device.

Answer: A

Question 3

Exhibit:You are configuring NAT64 on your SRX Series device. You have committed the configuration shown in theexhibit. Unfortunately, the communication with the 10.10.201.10 server is not working. You have verifiedthat the interfaces, security zones, and security policies are all correctly configured.In this scenario, which action will solve this issue?

A : Configure source NAT to translate return traffic from IPv4 address to the IPv6 address of your source device.

B : Configure proxy-ARP on the external IPv4 interface for the 10.10.201.10/32 address.

C : Configure proxy-NDP on the IPv6 interface for the 2001:db8::1/128 address.

D : Configure destination NAT to translate return traffic from the IPv4 address to the IPv6 address of your source device.

Answer: A

Question 4

Which two statements about transparent mode and Ethernet switching mode on an SRX series device are correct.

A : In Ethernet switching mode, Layer 2 interfaces must be placed in a security zone.

B : In Ethernet switching mode, IRB interfaces must be placed in a security zone.

C : In transparent mode, Layer 2 interfaces must be placed in a security zone.

D : In transparent mode, IRB interfaces must be placed in a security zone.

Answer: B,C

Question 5

You are deploying IPsec VPNs to securely connect several enterprise sites with ospf for dynamicrouting. Some of these sites are secured by third-party devices not running Junos.Which two statements are true for this deployment? (Choose two.)

A : OSPF over IPsec can be used for intersite dynamic routing.

B : Sites with overlapping address spaces can be supported.

C : OSPF over GRE over IPsec is required to enable intersite dynamic routing

D : Sites with overlapping address spaces cannot be supported.

Answer: B,C

Free Practice Juniper JN0-637 Exam Questions 2025