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Certification Provider: Cisco • Exam Code: 400-251 • Exam Name: Cisco - CCIE Security Written v5.0Exam Dumps • Total Questions: 477 Questions and Answers • Valid For: Worldwide - In All Countries • Updates: 90 Days Free Updates Service 400-251 Braindumps400-251 Dumps400-251 PDF Dumps 400-251 Exam Engine
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Questions No 1 Which two statements about SCEP are true? (Choose two) A. CA Servers must support Get CA Caps response messages in order to implement extended functonalitt. B. The Get CRL exchange is signed and encrypted only in the response direction. C. It is vulnerable to downgrade attacks on its cryptographic capabilities. D. The Get Cert exchange is signed and encrypted only in the response direction. E. The Get CA Caps response message supports DES encryption and the SHA-128 hashing algorithm. Answer: A C https://dumps4free.com/400-251-exam-questions-pdf-vce.html
Questions No 2 Which two events can cause a failover event on an active standby setup? (Choose two) A. The active unit experiences interface failure above the threshold. B. The unit that was previously active recovers. C. The stateful failover link fails. D. The failover link fails E. The active unit fails. Answer: A E https://dumps4free.com/400-251-exam-questions-pdf-vce.html
Questions No 3 Which two statements about the Maces security protocol are true? (Choose two) A. Stations broadcast an MKA heartbeat the contains the Key server priority. B. The SAK is secured but 128-bit AES-GCM bt default. C. When switch-to-switch link security is configured in manual mode, the SAP operation mode must be set to GCM. D. Maces is not supported in MDA mode. E. MKA heartbeats are sent at a default interval of 3 seconds. Answer: A B https://dumps4free.com/400-251-exam-questions-pdf-vce.html
Questions No 4 Which two options are benefits of network summarization? (Choose two) A. It can summarize incongruous IP addresses. B. It can easily be added to existing networks. C. It can increase the convergence of the network. D. It prevents unnecessary routing updates at the summarization boundary if one of the routes in the summary is unstable E. It reduces the number of routes. Answer: D E https://dumps4free.com/400-251-exam-questions-pdf-vce.html
Questions No 5 Refer to the exhibit. Which meaning of this error message on a Cisco ASA is true? A. The route map redistribution is configured incorrectly. B. The default route is undefined. C. A packet was denied and dropped but an ACL. D. The host is connected directly to the firewall. Answer: B https://dumps4free.com/400-251-exam-questions-pdf-vce.html
Questions No 6 Which two statements about up are true?(Choose two) A. The administrator can configure the allow-default command to force the routing table to use only the default . B. It is not supported on the Cisco ASA security appliance. C. The administrator can configure the imp verify unicast source reachable-via ant command to enable the RPF check to work through HSRP touting groups. D. The administrator can use these how Key interface command to determine whether up is enabled. E. In strict mode, only one routing path can be available to reach network devices on a subnet.. Answer: D E https://dumps4free.com/400-251-exam-questions-pdf-vce.html
Questions No 7 Which type of header attack is detected but Cisco ASA basic threat detection? A. Connection limit exceeded. B. Denial but access list. C. Failed application inspection. D. Bad packet format. Answer: D https://dumps4free.com/400-251-exam-questions-pdf-vce.html
Questions No 8 Which WEP configuration can be exploited but a weak IV attack? A. When the static WEP password has been stored without encryption. B. When a per-packet WEP Key is in use. C. When a 64-bit Key is in use. D. When the static WEP password has been given await. E. When a 40-bit Key is in use. F. When the same WEP Key is used to create evert packet. Answer: E https://dumps4free.com/400-251-exam-questions-pdf-vce.html
Questions No 9 Which two statements about Botnet Traffic Filter snooping are true?(Choose two) A. It can log and bloc suspicious Connections from previously unknown bad domains and IP addresses. B. It requires the Cisco ASA DNS server to perform DNS lookups. C. It requires DNS packet inspection to be enabled to falter domain names in the dynamic database. D. It checks inbound traffic only. E. It can inspect both IPv4 and IPv6 traffic. F. It checks inbound and outbound traffic. Answer: CF https://dumps4free.com/400-251-exam-questions-pdf-vce.html
Questions No 10 Which three statements about SXP are true?(Choose three) A. It resides in the control plane, where connections can be imitated from a listener. B. Packets can be tagged with SGTs only with hardware support. C. Each VRF supports only one CTS-SXP connection. D. To enable an access device to use IP device tracing to learn source device IP addresses, DHCP snooping must be configured. E. The SGA ZBPF uses the SGT to applet forwarding decisions. F. Separators require different CTS-SXP peers, but that can use the same source IP addresses. Answer: A B C https://dumps4free.com/400-251-exam-questions-pdf-vce.html
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