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Q91. Click the Exhibit button.

user@host# show interfaces ge-0/0/0 {

unit 1 {

family bridge { interface-mode trunk; vlan-id-list 20;

vlan-rewrite { translate 2 20;

}

}

}

}

Referring to the exhibit, which two statements are correct regarding VLAN rewrite? (Choose two.)

A. An incoming packet with VLAN tag 20 will be translated to VLAN tag 2.

B. An outgoing packet with VLAN tag 2 will be translated to VLAN tag 20.

C. An incoming packet with VLAN tag 2 will be translated to VLAN tag 20.

D. An outgoing packet with VLAN tag 20 will be translated to VLAN tag 2.

Answer: C


Q92. You are working as a security administrator and must configure a solution to protect against distributed botnet attacks on your company's central SRX cluster.

How would you accomplish this goal?

A. Configure AppTrack to inspect and drop traffic from the malicious hosts.

B. Configure AppQoS to block the malicious hosts.

C. Configure AppDoS to rate limit connections from the malicious hosts.

D. Configure AppID with a custom application to block traffic from the malicious hosts.

Answer: C

Explanation:

Reference :Page No 2 Figure 1 http://www.juniper.net/us/en/local/pdf/datasheets/1000327-en.pdf


Q93. You want to create a custom IDP signature for a new HTTP attack on your SRX device. You have the exact string that identifies the attack.Which two additional elements do you need to define your custom signature? (Choose two.)

A. service context

B. protocol number

C. direction

D. source IP address of the attacker

Answer: A,C

Explanation: Reference: http://rtoodtoo.net/2011/09/22/how-to-write-srx-idp-custom-attacksignature/


Q94. Click the Exhibit button.

root@host# show system login user user {

uid 2000; class operator;

authentication {

encrypted-password "$1$4s7ePrk5$9S.MZTwmXTV7sovJZFFsw1"; ## SECRET-DATA

]

}

An SRX Series device has been configured for multiple certificate-based VPNs. The IPsec security association used for data replication is currently down . The administrator is a contractor and has the permissions on the SPX Series device as shown in the exhibit

Which command set would allow the administrator to troubleshoot the cause for the VPN being down?

A. set security ipsec traceoptions file ipsec

set security ipsec traceoptions flag security-associations

B. set security ike traceoptions file ike set security ike traceoptions flag ike

C. request security pki verify-integrity-status

D. request security ike debug-enable local <ip of the local gateway> remote <ip of the remote gateway›

Answer: C


Q95. Click the Exhibit button.

-- Exhibit -- [edit security]

user@srx# show idp

…

application-ddos Webserver { service http;

connection-rate-threshold 1000; context http-get-url {

hit-rate-threshold 60000;

value-hit-rate-threshold 30000;

time-binding-count 10;

time-binding-period 25;

}

}

-- Exhibit --

You are using AppDoS to protect your network against a bot attack, but noticed an approved application has falsely triggered the configured IDP action of drop. You adjusted your AppDoS configuration as shown in the exhibit. However, the approved traffic is still dropped.

What are two reasons for this behavior? (Choose two.)

A. The approved traffic results in 50,000 HTTP GET requests per minute.

B. The approved traffic results in 25 HTTP GET requests within 10 seconds from a single host.

C. The active IDP policy has not been defined in the security configuration.

D. The IDP action is still in effect due to the timeout configuration.

Answer: A,D

Explanation: Reference:http://www.juniper.net/techpubs/software/junos-security/junos-security10.0/junos-security-swconfig-security/appddos-protection-overview.html

http://www.juniper.net/techpubs/software/junos-security/junos-security10.0/junos-security-swconfig-security/appddos-proctecting-against.html#appddos-proctecting-against


Up to the immediate present JN0-633 exam cost:

Q96. You are using logical systems to segregate customers. You have a requirement to enable communication between the logical systems.What are two ways to accomplish this goal? (Choose two.)

A. Use a shared DMZ zone to connect the logical systems together.

B. Use a virtual tunnel (vt-) interface to connect the logical systems together.

C. Use an external cable to connect the ports from the two logical systems.

D. Use an interconnect LSYS to connect the logical systems together.

Answer: C,D

Explanation:

Reference :http://www.juniper.net/techpubs/en_US/junos11.4/information-products/topic-collections/security/software-all/logical-systems-config/index.html?topic-53861.html


Q97. What are two AppSecure modules? (Choose two.)

A. AppDoS

B. AppFlow

C. AppTrack

D. AppNAT

Answer: A,C

Explanation:

Reference :Page No 2 Figure 1 http://www.juniper.net/us/en/local/pdf/datasheets/1000327-en.pdf


Q98. Which two statements are true about persistent NAT? (Choose two.)

A. Thepermit target-host-portstatement allows an external host to initiate a session to an internal host on any port, provided the internal host previously sent a packet to the external host.

B. Thepermit target-hoststatement allows an external host to initiate a session to an internal host on any port, provided the internal host previously sent a packet to the external host.

C. Port overloading must be enabled for Interface-based persistent NAT.

D. Port overloading must be disabled for Interface-based persistent NAT.

Answer: B,D


Q99. Click the Exhibit button.

-- Exhibit–

-- Exhibit --

Referring to the exhibit, the application firewall configuration fails to commit. What must you do to allow the configuration to commit?

A. Each firewall rule set must only have one rule.

B. A firewall rule set cannot mix dynamic applications and dynamic application groups.

C. The action in the rules must be different than the action in the default rule.

D. The action in the default rule must be set to deny.

Answer: C 

Explanation: Reference:http://www.juniper.net/techpubs/en_US/junos12.1/topics/concept/application-firewall-overview.html


Q100. You are attempting to establish an IPsec VPN between two SRX devices. However, there is another device between the SRX devices that does not pass traffic that is using UDP port 4500.

How would you resolve this problem?

A. Enable NAT-T.

B. Disable NAT-T.

C. Disable PAT.

D. Enable PAT.

Answer: B

Explanation:

NAT-T also uses UDP por4t 500 (by default) rather than the standard UDP. So disabling NAT-T will resolve this issue.

Reference : https://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=10&cad=rja&ved=0CHsQFjAJ&url=http%3A%2F%2Fchimera.labs.oreilly.com%2Fbooks%2F1234000001633%2Fch10.html&ei=NZrtUZHHO4vJrQezmoCwAw&usg=AFQjCNGU05bAtnFu1vXNgssixHtCBoNBnw&sig2=iKzzPNQqiH2xrsjveXIleA&bvm=bv.49478099,d.bmk