JN0-331 試験問題を無料オンラインアクセス

Which two statements about the use of SCREEN options are correct? (Choose two.)

• A.SCREEN options are deployed prior to route and policy processing in first path packet processing.
• B.SCREEN options offer protection against various attacks.
• C.When you deploy SCREEN options, you must take special care to protect OSPF.
• D.SCREEN options are deployed at the ingress and egress sides of a packet flow.

What are two interfaces created when enabling a chassis cluster? (Choose two.)

• A.st0
• B.fxp1
• C.reth0
• D.fab0

Which two statements are true about pool-based destination NAT? (Choose two.)

• A.It requires you to configure an address in the junos-global zone.
• B.It also supports PAT.
• C.It allows the use of an address pool.
• D.PAT is not supported.

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 permit transit packets and use the IPsec VPN myTunnel all day Monday and Wednesday 7am to 6pm, and Thursday 7am to 6pm.
• B.The policy will permit transit packets only on Monday, and use the IPsec VPN Mytunnel.
• C.The policy will always permit transit packets and use the IPsec VPN myTunnel.
• 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.

Which two statements regarding asymmetric key encryption are true? (Choose two.)

• A.It is commonly used to create digital certificate signatures.
• B.An attacker can decrypt data if the attacker captures the key used for encryption.
• C.It uses two keys: one for encryption and a different key for decryption.
• D.The same key is used for encryption and decryption.