Firewall trust untrust domain client wants to access the ftp server services, has allowed clients to access the server tcp 21 port, but only log in to the server, but cannot download the file, the following solutions are possible: (Choose three)
A. Untrust domain repair the trust between the two-way access policy to allow default
B. FTP works when port mode,modify untrust trust between domains inbound direction to permit the default access policy
C. Enable detect ftp between trust untrust domain configuration
D. FTP works when passive mode,modify untrust trust between domains inbound direction to permit the default access policy
Under IPSec in tunnel mode, ESP on which field do validation?
A. Original IP packet header
B. The new IP packet header
C. TCP packet header
D. Application layer data
SVN3000 network expansion feature is the use of technology for which the following business resource access control?
A. Static Routing
B. Dynamic Routing
C. ACL
D. Policy Routing
SVN3000 virtual gateway, domain names can only be accessed using a virtual gateway is which of the following types?
A. Exclusive type
B. Share -based
C. Fixed
D. Manual type
Firewall supports three main VPDN VPN, namely, L2TP, PPTP, IPSec:
A. True
B. False
SVN3000 port proxy function is mainly used for C / S and other techniques cannot be used to access web applications.
A. True
B. False
In order to ensure the normal remote L2TP dial-up users to access the corporate network, the user is required to assign an IP address within the enterprise network services and resources to be accessed not on the same network segment (without considering the ARP Proxy technology).
A. True
B. False
When the port is configured to allow certain vlan trunk through, trunk belongs to these vlan.
A. True
B. False
In some scenarios, it is necessary to convert the source IP address, destination IP address but also for the conversion, is called bidirectional NAT.
A. True
B. False
Outbound NAT configuration based on the direction, in the case of no-pat configuration commands, the following description of what is wrong? (Choose three)
A. Conducted only source IP address translation
B. Conducted only destination IP address translation
C. The source IP address and source port translation
D. Be the destination IP address and destination port translation
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