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Real 400-251 CCIE Security Written Exam Dumps
Real 400-251 CCIE Security Written Exam Dumps have been updated on Apr.16, 2018. New 400-251 exam dumps will be best training materials for Cisco CCIE Seurity 400-251 Exam. Pass your Cisco 400-251 CCIE Security Written Exam (v5.0) any time with IT-Dumps Real 400-251 CCIE Security Written Exam Dumps. Real CCIE Security Certification 400-251 PDF guarantee that you will achieve your target score on the very first attempt. IT-Dumps 400-251 study guide provides you extensive practice and training of the exam objectives defined by the vendor itself.
Real 400-251 CCIE Security Written Exam Dumps(Q1-Q10)
Q1.What are the most common methods that security auditors use to access an organization's security processes? (choose two)
A. physical observation
B. social engineering attempts
C. penetration testing
D. policy assessment
E. document review
F. interviews
Answer: AF
Q2.Which three statements about WCCP are true? (choose three)
A. if a specific capability is missing from the capabilities Info Component, the router is assumed to support the default capability.
B. the web cache transmits its capabilities as soon as it receives a Receive ID from a router
C. the minimum WCCP-Fast Timers message interval is 500 ms.
D. the assignment method supports GRE encapsulation for sending traffic
E. if the packet return method is missing from a packet return method advertisement, the web cache uses the layer 2 rewrite method
F. the router must receive a valid receive ID before it negotiates capabilities.
Answer: ACF
Q3.Which two effects of this configuration are true? (Choose two)
A. the switch periodically sends an EAP-Identity-Request to the endpoint supplicant
B. the device allows multiple authenticated sessions for a single MAC address in the voice domain
C. if the TACACS+ server is unreachable, the switch places hosts on critical ports in VLAN50
D. if the authentication priority is changed, the order is Which authentications is performed also changes
E. if multiple hosts have authenticated to the same port, each can be in their own assigned VLAN
F. the port attempts 802.1x authentication first, and then falls back to MAC authentication bypass.
Answer: CF
Q4.Which 2 statements about 6to4 tunneling are true? (choose two)
A. it provides a /128 address book.
B. it supports static and BGPv4 routing
C. it provides a /48 address block
D. it supports managed NAT along the path of the tunnel
E. the prefix address of the tunnel is determined by the IPv6 configuration of the interface
F. it supports multihoming
Answer: BC
Q5.Which 2 statements about a wireless access point configured with the guest-mode command are true? (Choose two)
A. it can support more than one guest mode SSID
B. it supports associations by client that perform passive scans
C. it allows client configured without SSID to associate
D. it allows associated client to transmit packet using its SSID
E. if one device on a network is configure in guest-mode, client can use the guest-mode SSID to connect to any device in the same network.
Answer: BC
Q6.Refer to the exhibit.
Which two statement about a device with this configuration are true? (choose two)
A. when a peer establishes a new connection to the device, CTS retains all existing SGT mapping entries for 3 minutes.
B. if a peer reconnects to device within 120 seconds of terminating a CTS-SXP connection, the reconciliation timers starts
C. when a peer re-establishes a previous connection to the device, CTS retains all existing SGT mapping entries for 3 minutes
D. if a peer reconnects to device within 180 seconds of terminating a CTS-SXP connection, the reconciliation timer starts
E. if a peer re-establishes a connection to the device before the hold-down timer expires, the device retains the SGT mapping entries it learned during the previous connection for an additional 3 minutes
F. it sets the internal hold down timer of the device to 3 minutes
Answer: BE
Q7.Which option is a data modeling language used to model configuration and state data of network elements?
A. RESTCONF
B. SNMPv4
C. NETCONF
D. YANG
Answer: D
Q8.Refer to the exhibit
Which data format is used in this script?
A. JSON
B. YANG
C. API
D. XML
E. JavaScript
Answer: D
Q9.Which three statements about VRF-Aware Cisco Firewall are true? (choose three)
A. it supports both global and per-VRF commands and DoS parameters
B. it enables services providers to deploy firewalls on customer devices
C. it can generate syslog messages that are visible only to individual VPNs
D. it can support VPN networks with overlapping address ranges without NAT.
E. it enables service providers to implement firewalls on PE devices
F. it can run as more than on instance.
Answer: CEF
Q10.Which OpenStack project has orchestration capabilities?
A. Cinder
B. Horizon
C. Sahara
D. Heat
Answer: D
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