400-251 exam dumps

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QUESTION 26
You have been asked to configure a Cisco ASA appliance in multiple mode with these settings:

(A) You need two customer contexts, named contextA and contextB
(B) Allocate interfaces G0/0 and G0/1 to contextA
(C) Allocate interfaces G0/0 and G0/2 to contextB
(D) The physical interface name for G0/1 within contextA should be “inside”.
(E) All other context interfaces must be viewable via their physical interface names.

If the admin context is already defined and all interfaces are enabled, which command set will complete this configuration?

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QUESTION 1
According to OWASP guidelines, what is the recommended method to prevent cross-site request forgery?

A.    Allow only POST requests.
B.    Mark all cookies as HTTP only.
C.    Use per-session challenge tokens in links within your web application.
D.    Always use the “secure” attribute for cookies.
E.    Require strong passwords.

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[2017-06-09] Free Lead2pass Cisco 400-251 PDF Dumps With New Update Exam Questions (422-436)

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QUESTION 422
Which three statements about Dynamic ARP inspection on Cisco switches are true? (Choose three)

A.    The trusted database can be manually configured using the CLI
B.    Dynamic ARP inspection is supported only on access ports
C.    Dynamic ARP inspection does not perform ingress security checking
D.    DHCP snooping is used to dynamically build the trusted database
E.    Dynamic ARP inspection checks ARP packets against the trusted database
F.    Dynamic ARP inspection checks ARP packets on trusted and untrusted ports

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QUESTION 337
Which two statements about SCEP are true? (Choose two)

A.    CA servers must support GetCACaps response messages in order to implement extended functionality
B.    The GetCRL exchange is signed and encrypted only in the response direction.
C.    It is vulnerable to downgrade attacks on its cryptographic capabilities
D.    The GetCert exchange is signed and encrypted only in the response direction.
E.    The GetCACaps response message supports DES encryption and the SHA-128 hashing algorithm.

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QUESTION 261
What ASA feature can do use to restrict a user to a specific VPN group?

A.    A webtypeACL
B.    MPF
C.    A VPN filter
D.    Group-lock

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QUESTION 241
Which Cisco product solution is designed for workload mobility between public-public and private-public clouds?

A.    Cisco Cloud Orchestrator
B.    Cisco Unified Cloud
C.    Cisco Intercloud Fabric
D.    Cisco Metapod

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QUESTION 221
Which two statements about header attacks are true?(Choose two)

A.    An attacker can use IPv6 Next Header attacks to steal user data and launch phishing attacks.
B.    An attacker can use HTTP Header attacks to launch a DoS attack.
C.    An attacker can execute a spoofing attack by populating the RH0 routing header subtype with multiple destination addresses.
D.    An attacker can leverage an HTTP response header to write malicious cookies.
E.    An attacker can leverage an HTTP response header to inject malicious code into an application layer.
F.    An attacker can use vulnerabilities in the IPv6 routing header to launch attacks at the application layer.

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QUESTION 201
Which two statements about DTLS are true?(Choose two)

A.    It uses two simultaneous IPSec tunnels to carry traffic.
B.    If DPD is enabled, DTLS can fall back to a TLS connection.
C.    Because it requires two tunnels, it may experience more latency issues than SSL connections.
D.    If DTLS is disabled on an interface, then SSL VPN connections must use SSL/TLS tunnels.
E.    It is disabled by default if you enable SSL VPN on the interface.

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QUESTION 181
What are two advantages of NBAR2 over NBAR? (Choose two)

A.    Only NBAR2 support Flexible NetFlow for extracting and exporting fields from the packet header.
B.    Only NBAR2 allows the administrator to apply individual PDL files.
C.    Only NBAR2 support PDLM to support new protocals.
D.    Only NBAR2 can use Sampled NetFlow to extract pre-defined packet headers for reporting.
E.    Only NBAR2 supports custom protocols based on HTTP URLs.

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[Full Version] Pass 400-251 Exam By Exercising Lead2pass Latest 400-251 VCE And PDF Dumps (161-180)

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QUESTION 161
Refer to the exhibit. After you configured routes R1 and R2 for IPv6 OSPFv3 authentication as shown, the OSPFv3 neighbor adjacency failed to establish.
What is a possible reason for the problem?

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