分类：
2010-03-11 11:25:34
考试号：JN0-331
认证名称：SEC,Specialist(JNCIS-SEC)
考题数目：131 道
1. 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
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
3. 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
4. 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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考试号：JN0-331
认证名称：SEC,Specialist(JNCIS-SEC)
考题数目：131 道
1. 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
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
3. 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
4. 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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