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400-251 Questions and Answers

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CCIE Security Written: 400-251

Rating: 5.0

Vendor: Cisco

Certifications: CCIE

Exam Name: CCIE Security Written

Exam Code: 400-251

Total Questions: 665 Q&As

Last Updated: Dec 13, 2021

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Cisco 400-251 Last Month Results

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Same Questions from the Latest Real Exam

400-251 Online Practice Questions and Answers

Questions 1

Which statement about encryption headers on the Cisco ESA is true?

A. The optional Cisco Iron Port Encryption appliance provides extended encryption headers.

B. They can be applied to outgoing messages only to force more secure message handling than is provided by the current encryption settings on the ESA

C. Content filters can be applied to add encryption headers to outgoing messages only

D. They can be configured to enable return receipt, expire messages and prevent the recipient from forwarding the message

E. The encryption settings defined in a profile can override the encryption header in a message

F. The X-PostX-Use Script encryption header disables JavaScript in the message which forces it to open locally on the recipients computer

Show Answer
Questions 2

Which option is the only way in a public cloud setup. Such as Microsoft Azure, to provide access to the virtual machines that may be running services such as Apache or IIS?

A. WLCv

B. ISE

C. WSAv

D. ASAv

Show Answer
Questions 3

Your organization is deploying an ESA for email security for inbound and outbound email. To receive inbound emails from external organizations, you must set up your DNS servers with the appropriate records so that the sending email server can determine which email gateway to send to Assume that you have two ESAs deployed and the hostnames and IP address are as follows:

esa1.myesa.com:5.5.5.25(preferred) esa2.myesa.com:5.5.5.26

Which two options must you include in your DNS server to receive email from all external senders?(Choose two)

A. Forward Lookup Zone: @ 3600 IN A 10 esa1.myesa.com @ 3600 IN A 20 esa2.myesa.com

B. Forward lookup Zone: Esa1 IN 3600 A 5.5.5.25 Esa2 IN 3600 A 5.5.5.26

C. Forward Lookup Zone: Mail1.myesa.com 120 CNAME esa1.mysesa.com Mail2.myesa.com 120 CNMAE esa2.mysesa.com

D. Forward Lookup Zone: @ 3600 IN MX 10 mail1.myesa.com @ 3600 IN MX 20 mail1.myesa.com

E. Reverse Lookup Zone for 5.5.5.: 25 3600 IN PTR esa1.myesa.com 26 3600 IN PTR esa2.myesa.com

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Success Stories

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