Cisco CCDE 400-007 Questions & Answers

• Question 271:

  An enterprise that runs numerous proprietary applications has major issues with its on- premises server estate hardware, to the point where business-critical functions are compromised. The enterprise accelerates plans to migrate services to the cloud. Which cloud service should be used if the enterprise wants to avoid hardware issues yet have control of its applications and operating system?

  A. SaaS

  B. PaaS

  C. laaS

  D. hybrid cloud

  Correct Answer: C

• Question 272:

  Which three tools are used for ongoing monitoring and maintenance of a voice and video environment? (Choose three.)

  A. flow-based analysis to measure bandwidth mix of applications and their flows

  B. call management analysis to identify network convergence-related failures

  C. call management analysis to identify CAC failures and call quality issues

  D. active monitoring via synthetic probes to measure loss, latency, and jitter

  E. passive monitoring via synthetic probes to measure loss, latency, and jitter

  F. flow-based analysis with PTP time-stamping to measure loss, latency, and jitter

  Correct Answer: ACD

• Question 273:

  Which component of the SDN architecture automatically ensures that application traffic is routed according to policies established by network administrators?

  A. packet forwarding engine

  B. northbound API

  C. southbound API

  D. SDN controller

  Correct Answer: D

• Question 274:

  Company XYZ is running SNMPv1 in their network and understands that it has some flaws. They want to change the security design to implement SNMPv3 in the network.

  Which network threat is SNMPv3 effective against?

  A. man-in-the-middle attack

  B. masquerade threats

  C. DDoS attack

  D. brute force dictionary attack

  Correct Answer: D

• Question 275:

  Company XYZ wants to prevent switch loops caused by unidirectional point-point-link condition on Rapid FVST + and MST. Which technology can be used in the design to meet this requirement?

  A. STPBPDU guard

  B. STP bridge assurance

  C. MSTP

  D. TRILL

  Correct Answer: B

• Question 276:

  Refer to the exhibit.

  

  Company XYZ must design a DMVPN tunnel between the three sites Chicago is going to act as the NHS and the company wants DMVPN to detect peer endpoint failures.

  Which technology should be used m the design?

  A. VPLS

  B. IP SLA

  C. GRE

  D. L2TPv3

  Correct Answer: B

• Question 277:

  What are two examples of components that are part of an SDN architecture? (Choose two.)

  A. software plane

  B. control plane

  C. application plane

  D. management plane

  E. network plane

  Correct Answer: BD

• Question 278:

  The General Bank of Greece plans to upgrade its legacy end-of-life WAN network with a new flexible, manageable, and scalable solution. The mam requirements are ZTP support, end-to-end encryption application awareness and segmentation. The CTO states that the main goal of the bank is CAPEX reduction. Which WAN technology should be used for the solution?

  A. SD-branch

  B. DMVPN with PfR

  C. managed SD-WAN

  D. SD-WAN

  Correct Answer: C

• Question 279:

  When consumers that leverage laaS reach 100% resource capacity, what can be used to redirect the overflow of traffic to the public cloud so there is no disruption to service?

  A. cloud policing

  B. cloud spill

  C. cloud bursting

  D. cloud shaping

  Correct Answer: C

• Question 280:

  Which two statements describe the functionality of OSPF packet-pacing timers? (Choose two )

  A. OSPF flood-pacing timers allow dynamic control of the OSPF transmission queue size

  B. OSPF retransmission-pacing timers allow control of interpacket spaang between consecutive link-state update packets in the OSPF retransmission queue.

  C. OSPF retransmission-pacing timers allow control of packet interleaving between nonconsecutive link-state update packets in the OSPF retransmission queue.

  D. OSPF flood-pacing timers allow control of interpacket spacing between consecutive link- state update packets in the OSPF transmission queue

  Correct Answer: BD