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Cisco 642-648 Exam, Most Popular Cisco 642-648 PDF Download Is What You Need To Take

Cisco 642-648 Exam, Most Popular Cisco 642-648 PDF Download Is What You Need To Take

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QUESTION 26
When attempting to tunnel FTP traffic through a stateful firewall that might be performing NAT or PAT, which type of VPN tunneling should you use to allow the VPN traffic through the stateful firewall?
A. clientless SSL VPN
B. IPsec over TCP
C. smart tunnel
D. SSL VPN plug-ins

Correct Answer: B Explanation
Explanation/Reference:
Explanation: IP Security (IPSec) over Transmission Control Protocol (TCP) enables a VPN Client to operate in an environment in which standard Encapsulating Security Protocol (ESP, Protocol 50) or Internet Key Exchange (IKE, User Datagram Protocol (UDP) 500) cannot function, or can function only with modification to existing firewall rules. IPSec over TCP encapsulates both the IKE and IPSec protocols within a TCP packet, and it enables secure tunneling through both Network Address Translation (NAT) and Port Address Translation (PAT) devices and firewalls
QUESTION 27
Refer to the exhibit.

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Cisco 642-648 Test Engine, Sale Cisco 642-648 Exam Questions And Answers With 100% Pass Rate

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QUESTION 1
Which statement is correct concerning the trusted network detection (TND) feature?
A. The Cisco AnyConnect 3.0 Client supports TND on Windows, Mac, and Linux platforms.
B. With TND, one result of a Cisco Secure Desktop basic scan on an endpoint is to determine whether a device is a member of a trusted or an untrusted network.
C. If enabled, and a CSD scan determines that a host is a member of an untrusted network, an administrator can configure the TND feature to prohibit an end user from launching the Cisco AnyConnect VPN Client.

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