2013년 7월 13일 토요일

JN0-331 시험문제 덤프 Juniper 자격증

ITExamDump 제공 Juniper JN0-331시험덤프자료가 광범한 시험준비인사들의 찬양을 받은지 하루이틀일이 아닙니다.이렇게 많은 분들이ITExamDump 제공 Juniper JN0-331덤프로 시험을 통과하여 자격증을 취득하였다는것은ITExamDump 제공 Juniper JN0-331덤프가 믿을만한 존재라는것을 증명해드립니다. 덤프에 있는 문제만 열심히 공부하시면 시험통과 가능하기에 시간도 절약해줄수있어 최고의 믿음과 인기를 받아왔습니다. Juniper JN0-331 시험을 봐야 하는 분이라면ITExamDump를 한번 믿어보세요. ITExamDump도움으로 후회없이 멋진 IT전문가로 거듭날수 있을것입니다.


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시험 번호/코드: JN0-331

시험 이름: Juniper (SEC,Specialist(JNCIS-SEC))

ITExamDump는 여러분이 빠른 시일 내에Juniper JN0-331인증시험을 효과적으로 터득할 수 있는 사이트입니다.Juniper JN0-331덤프는 보장하는 덤프입니다. 만약 시험에서 떨어지셨다고 하면 우리는 무조건 덤프전액 환불을 약속 드립니다. 우리ITExamDump 사이트에서Juniper JN0-331관련자료의 일부분 문제와 답 등 샘플을 제공함으로 여러분은 무료로 다운받아 체험해보실 수 있습니다. 체험 후 우리의ITExamDump에 신뢰감을 느끼게 됩니다. ITExamDump의Juniper JN0-331덤프로 자신 있는 시험준비를 하세요.


JN0-331 덤프무료샘플다운로드하기: http://www.itexamdump.com/JN0-331.html


NO.1 In JUNOS Software, which three packet elements can be 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

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NO.2 Regarding attacks, which statement is correct?
A. Both DoS and propagation attacks exploit and take control of all unprotected network devices.
B. Propagation attacks focus on suspicious packet formation using the DoS SYN-ACK-ACK proxy flood.
C. DoS attacks are directed at the network protection devices, while propagation attacks are directed at
the servers.
D. DoS attacks are exploits in nature, while propagation attacks use trust relationships to take control of
the devices.
Answer: D

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NO.3 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

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NO.4 Which two statements about JUNOS Software packet handling are correct? (Choose two.)
A. JUNOS Software applies service ALGs only for the first packet of a flow.
B. JUNOS Software uses fast-path processing only for the first packet of a flow.
C. JUNOS Software performs route and policy lookup only for the first packet of a flow.
D. JUNOS Software applies SCREEN options for both first and consecutive packets of a flow.
Answer: CD

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NO.5 What are two components of the JUNOS Software architecture? (Choose two.)
A. Linux kernel
B. routing protocol daemon
C. session-based forwarding module
D. separate routing and security planes
Answer: BC

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NO.6 Which two statements are true regarding proxy ARP? (Choose two.)
A. Proxy ARP is enabled by default.
B. Proxy ARP is not enabled by default.
C. JUNOS security devices can forward ARP requests to a remote device when proxy ARP is enabled.
D. JUNOS security devices can reply to ARP requests intended for a remote device when proxy ARP is
enabled.
Answer: BD

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NO.7 For IKE phase 1 negotiations, when is aggressive mode typically used?
A. when one of the tunnel peers has a dynamic IP address
B. when one of the tunnel peers wants to force main mode to be used
C. when fragmentation of the IKE packet is required between the two peers
D. when one of the tunnel peers wants to specify a different phase 1 proposal
Answer: A

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NO.8 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

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NO.9 Click the Exhibit button.
[edit groups]
user@host# show
node0 {
system {
host-name NODE0;
}
interfaces {
fxp0 {
unit 0 {
family inet {
address 1.1.1.1/24;
}
}
}
}
}
node1 {
system {
host-name NODE1;
}
interfaces {
fxp0 {
unit 0 {
family inet {
address 1.1.1.2/24;
}
}
}
}
}
In the exhibit, what is the function of the configuration statements?
A. This section is where you define all chassis clustering configuration.
B. This configuration is required for members of a chassis cluster to talk to each other.
C. You can apply this configuration in the chassis cluster to make configuration easier.
D. This section is where unique node configuration is applied.
Answer: D

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NO.10 Click the Exhibit button.
[edit schedulers]
user@host# show
scheduler now {
monday all-day;
tuesday exclude;
wednesday {
start-time 07:00:00 stop-time 18:00:00;
}
thursday {
start-time 07:00:00 stop-time 18:00:00;
}
}
[edit security policies from-zone Private to-zone External]
user@host# show
policy allowTransit {
match {
source-address PrivateHosts;
destination-address ExtServers;
application ExtApps;
}
then {
permit {
tunnel {
ipsec-vpn myTunnel;
}
}
}
scheduler-name now;
Based on the configuration shown in the exhibit, what are the actions of the security policy?
A. The policy will always permit transit packets and use the IPsec VPN myTunnel.
B. The policy will permit transit packets only on Monday, and use the IPsec VPN Mytunnel.
C. The policy will permit transit packets and use the IPsec VPN myTunnel all day Monday and
Wednesday 7am to 6pm, and Thursday 7am to 6pm.
D. The policy will always permit transit packets, but will only use the IPsec VPN myTunnel all day Monday
and Wednesday 7am to 6pm, and Thursday 7am to 6pm.
Answer: C

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NO.11 What is the purpose of a zone in JUNOS Software?
A. A zone defines a group of security devices with a common management.
B. A zone defines the geographic region in which the security device is deployed.
C. A zone defines a group of network segments with similar security requirements.
D. A zone defines a group of network segments with similar class-of-service requirements.
Answer: C

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NO.12 Users can define policy to control traffic flow between which two components? (Choose two.)
A. from a zone to the device itself
B. from a zone to the same zone
C. from a zone to a different zone
D. from one interface to another interface
Answer: BC

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NO.13 Which two configurations are valid? (Choose two.)
A. [edit security zones]
user@host# show
security-zone red {
interfaces {
ge-0/0/1.0;
ge-0/0/3.0;
}
}
security-zone blue {
interfaces {
ge-0/0/2.0;
ge-0/0/3.102;
}
}
B. [edit security zones]
user@host# show
security-zone red {
interfaces {
ge-0/0/1.0;
ge-0/0/2.0;
}
}
security-zone blue {
interfaces {
ge-0/0/1.0;
ge-0/0/3.0;
}
}
C. [edit routing-instances]
user@host# show
red {
interface ge-0/0/3.0;
interface ge-0/0/2.102;
}
blue {
interface ge-0/0/0.0;
interface ge-0/0/3.0;
}
D. [edit routing-instances]
user@host# show
red {
interface ge-0/0/3.0;
interface ge-0/0/3.102;
}
blue {
interface ge-0/0/0.0;
interface ge-0/0/2.0;
}
Answer: AD

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NO.14 Which two statements describe the difference between JUNOS Software for security platforms and a
traditional router? (Choose two.)
A. JUNOS Software for security platforms supports NAT and PAT; a traditional router does not support
NAT or PAT.
B. JUNOS Software for security platforms does not forward traffic by default; a traditional router forwards
traffic by default.
C. JUNOS Software for security platforms uses session-based forwarding; a traditional router uses
packet-based forwarding.
D. JUNOS Software for security platforms performs route lookup for every packet; a traditional router
performs route lookup only for the first packet.
Answer: BC

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NO.15 Which two statements describe the difference between JUNOS Software for security platforms and a
traditional router? (Choose two.)
A. JUNOS Software for security platforms supports NAT and PAT; a traditional router does not support
NAT or PAT.
B. JUNOS Software for security platforms secures traffic by default; a traditional router does not secure
traffic by default.
C. JUNOS Software for security platforms allows for session-based forwarding; a traditional router uses
packet-based forwarding.
D. JUNOS Software for security platforms separates broadcast domains; a traditional router does not
separate broadcast domains.
Answer: BC

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NO.16 Which two functions of JUNOS Software are handled by the data plane? (Choose two.)
A. NAT
B. OSPF
C. SNMP
D. SCREEN options
Answer: AD

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NO.17 What is the default session timeout for UDP sessions?
A. 30 seconds
B. 1 minute
C. 5 minutes
D. 30 minutes
Answer: C

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NO.18 Regarding zone types, which statement is true?
A. You cannot assign an interface to a functional zone.
B. You can specifiy a functional zone in a security policy.
C. Security zones must have a scheduler applied.
D. You can use a security zone for traffic destined for the device itself.
Answer: D

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NO.19 By default, which condition would cause a session to be removed from the session table?
A. Route entry for the session changed.
B. Security policy for the session changed.
C. The ARP table entry for the source IP address timed out.
D. No traffic matched the session during the timeout period.
Answer: D

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NO.20 Which three functions are provided by JUNOS Software for security platforms? (Choose three.)
A. VPN establishment
B. stateful ARP lookups
C. Dynamic ARP inspection
D. Network Address Translation
E. inspection of packets at higher levels (Layer 4 and above)
Answer: ADE

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