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jn0 Enhanced service Exam JUNOS software JNCIS Answer
jn0-330 JNCIS Braindump 
ExamSoon jn0-330 Exams
Juniper Networks JN0-330-Enhanced Services, Specialist(JNCIS-ES)
 
O rder : jn0-330 Exam
Practice Exam: jn0-330
Exam Number/Code: jn0-330
Exam Name: JN0-330-Enhanced Services, Specialist(JNCIS-ES)
Questions and Answers: 154 Q&As 
Free jn0-330 Braindumps
  
  
Exam : Juniper Networks JN0-330
Title : Enhanced Services, Specialist (JNCIS-ES)
1. Host A opens a Telnet connection to Host B. Host A then opens another Telnet connection to Host B. These 
connections are the only communication between Host A and Host B. The security policy configuration permits both 
connections.
How many flows exist between Host A and Host B?
A. 1
B. 2
C. 3
D. 4
Answer: D
2. Which two functions of JUNOS software with enhanced services are handled by the real-time domain? (Choose 
two.)
A. NAT
B. OSPF
C. SNMP
D. SCREEN options
Answer: AD
3. Which two policy actions are valid? (Choose two.)
A. NAT
B. ALG application
C. IP options setting
D. firewall authentication
Answer: AD
4. In JUNOS software with enhanced services, which three packet elements are inspected to determine if a session 
already exists? (Choose three.)
A. IP protocol
B. IP time-to-live
C. source and destination IP address
D. source and destination MAC address
 
 

 
 
E. source and destination TCP/UDP port
Answer: ACE
5. A traditional router is better suited than a firewall device for which function?
A. VPN establishment
B. packet-based forwarding
C. stateful packet processing
D. network address translation
Answer: B
6. Which two statements about the JUNOS software with enhanced services packet handling are correct? (Choose 
two.)
A. JUNOS software with enhanced services applies service ALGs only for the first packet of a flow.
B. JUNOS software with enhanced services uses fast-path processing for the first packet of a flow only.
C. JUNOS software with enhanced services performs route and policy lookup only for the first packet of a flow.
D. JUNOS software with enhanced services applies SCREEN options for both first and consecutive packets of a flow.
Answer: CD
7. Host A opens a Telnet connection to Host B. Host A then opens another Telnet connection to Host B. These 
connections are the only communication between Host A and Host B. The security policy configuration permits both 
connections.
How many sessions exist between Host A and Host B?
A. 1
B. 2
C. 3
D. 4
Answer: B
8. Click the Exhibit button.
In the exhibit, what is the priority for Router B in VRRP group 100?
Router A:
[edit]
user@RouterA# show interfaces ge-0/0/1 
unit 0 {
family inet {
address 192.168.1.253/24 {
vrrp-group 100 { 
virtual-address 192.168.1.1; 
priority 110;
no-preempt; 
}
}
}
}
Router B:
[edit]
user@RouterB# show interfaces ge-0/0/1 
unit 0 {
family inet {
address 192.168.1.254/24 {
vrrp-group 100 { 
virtual-address 192.168.1.1; 
no-preempt; 
}
 
 
 

 
  
 
 
}
}
}
A. 1
B. 100
C. 110
D. 255
Answer: B
9. Which two statements about the use of SCREEN options are correct? (Choose two.)
A. SCREEN options offer protection against various attacks.
B. SCREEN options are deployed prior to route and policy processing.
C. SCREEN options are deployed at the ingress and egress sides of a packet flow.
D. When you deploy SCREEN options, you must take special care to protect OSPF.
Answer: AB
10. Click the Exhibit button.
In the exhibit, which packet type would match the session in the table entry?
user@host> show security flow session
Session ID: 1495, Policy name: default-permit/7, Timeout: 1778 
In: 172.19.51.162/52071 --> 10.1.10.10/23;tcp, If: ge-0/0/0.0 
Out: 10.1.10.10/23 --> 172.19.51.162/52071;tcp, If: ge-0/0/3.0 
A. ESP packet from 172.19.51.162 to 10.1.10.10
B. ICMP packet from 172.19.51.162 to 10.1.10.10
C. HTTP packet from 172.19.51.162 to 10.1.10.10
D. Telnet packet from 172.19.51.162 to 10.1.10.10
Answer: D
11. You must configure a policy-based VPN. 
Which command causes traffic to be sent through an IPSec VPN named remote-vpn? 
[edit security policies from-zone trust to-zone untrust] 
user@host# show
policy tunnel-traffic { 
match {
source-address local-net; 
destination-address remote-net; 
application any;
then {
permit;
}
}
A. [edit security policies from-zone trust to-zone untrust] 
user@host# set policy tunnel-traffic then tunnel remote-vpn 
B. [edit security policies from-zone trust to-zone untrust] 
user@host# set policy tunnel-traffic then tunnel ipsec-vpn remote-vpn 
C. [edit security policies from-zone trust to-zone untrust] 
user@host# set policy tunnel-traffic then permit ipsec-vpn remote-vpn 
D. [edit security policies from-zone trust to-zone untrust] 
Answer: D
12. Which two are components of the enhanced services software architecture? (Choose two.)
A. Linux kernel
B. routing protocol daemon
C. session-based forwarding module 
 
 

 
 
  
 
D. separate routing and security planes
Answer: BC
13. Which two statements regarding asymmetric key encryption are true? (Choose two.)
A. The same key is used for encryption and decryption.
B. It is commonly used to create digital certificate signatures.
C. It uses two keys: one for encryption and a different key for decryption.
D. An attacker can decrypt data if the attacker captures the key used for encryption.
Answer: BC
14. Which type of zone is used by traffic transiting the device?
A. transit zone
B. default zone
C. security zone
D. functional zone
Answer: C
15. Which three methods of source NAT does the JUNOS software with enhanced services support? (Choose three.)
A. interface-based source NAT 
B. source NAT with overflow pool
C. source NAT using static source pool
D. interface-based source NAT without PAT 
E. source NAT with static source pool and PAT
Answer: ABC
16. What are the common elements that JUNOS software with enhanced services uses for a flow's first and 
subsequent packets?
A. zones, policy, service ALGs, and NAT
B. route, policy, NAT, and SCREEN options
C. NAT, SCREEN options, and service ALGs
D. fast-path processing, route, NAT, and service ALGs 
Answer: C
17. Click the Exhibit button.
The router creates a log message with the daemon facility and info level.
Given the configuration in the exhibit, which three statements are true? (Choose three.)
[edit system syslog]
lab@Denver# show
user * {
any emergency;
}
host 192.168.1.1 {
any any;
explicit-priority; 
}
file messages {
any any;
authorization info;
daemon emergency;
}
file special {
daemon any;
interactive-commands any; 
explicit-priority; 
 
 
 

 
  
 
 
  
 
}
A. The severity level will appear in the log message.
B. The message will be stored in the local file special.
C. The message will be stored in the local file messages.
D. The message will be sent to the syslog server at 192.168.1.1.
E. The message will be displayed on the CLI sessions of all users that are logged in.
Answer: ABD
18. Which two statements describe the difference between JUNOS software with enhanced services and a traditional 
router? (Choose two.)
A. JUNOS software with enhanced services supports NAT and PAT; a traditional router does not support NAT or PAT.
B. JUNOS software with enhanced services secures traffic by default; a traditional router does not secure traffic by 
default.
C. JUNOS software with enhanced services uses session-based forwarding; a traditional router uses packet-based 
forwarding.
D. JUNOS software with enhanced services separates broadcast domains; a traditional router does not separate 
broadcast domains.
Answer: BC
19. Which two statements describe the difference between JUNOS software with enhanced services and a traditional 
router? (Choose two.)
A. JUNOS software with enhanced services supports NAT and PAT; a traditional router does not support NAT or PAT.
B. JUNOS software with enhanced services does not forward traffic by default; a traditional router forwards traffic by 
default.
C. JUNOS software with enhanced services uses session-based forwarding; a traditional router uses packet-based 
forwarding.
D. JUNOS software with enhanced services performs route lookup for every packet; a traditional router performs route 
lookup only for the first packet.
Answer: BC
20. Which three functions are provided by JUNOS software with enhanced services? (Choose three.)
A. VPN establishment
B. stateful ARP lookups
C. transparent mode operation
D. network address translation
E. inspection of packets at higher levels (Layer 4 and above)
Answer: ADE
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JN0-350  ER.Specialist(JNCIS-ER)  
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JN0-532  Juniper Networks Certified Internet Specialist, FWV (JNCIS-FWV)  
jn0-303  juniper networks certified internet specialist.m(jncis-m)  
 
  
 
  
  
 
  
 
  
  
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