Cisco 400-007 Online Practice Questions and Exam Preparation

Cisco 400-007 Online Questions & Answers

• Question 111:

  Company XYZ has a multicast domain that spans across multiple autonomous systems. The company wants to choose a technology that provides simplified and controlled approach to interconnecting the multicast domains. Which technology is the best fit for this purpose?

  A. MSDP
  B. PIM SSM
  C. MPLS
  D. PIM sparse mode
  A. MSDP

• Question 112:

  Company XYZ wants to secure the data plane of their network. Which two technologies can be included in the security design? (Choose two)

  A. DAI
  B. IP Source Guard
  C. BEEP
  D. CPPr
  E. MPP
  A. DAI
  B. IP Source Guard

• Question 113:

  Which mechanism enables small, unmanaged switches to plug into ports of access switches without risking switch loops?

  A. PortFast
  B. UDLD
  C. Root guard
  D. BPDU guard
  D. BPDU guard

• Question 114:

  A BGP route reflector in the network is taking longer than expected to coverage during large network changes. Troubleshooting shows that the router cannot handle all the TCP acknowledgements during route updates. Which action can be performed to tune the device performance?

  A. Increase the size of the hold queue.
  B. Increase the size of the large buffers.
  C. Decrease the size of the small buffers.
  D. Increase the keepalive timers for each BGP neighbor.
  A. Increase the size of the hold queue.

• Question 115:

  You are a network designer and you must ensure that the network you design is secure. How do you plan to prevent infected devices on your network from sourcing random DDoS attacks using forged source address?

  A. ACL based forwarding
  B. unicast RPF loose mode
  C. unicast RPF strict mode
  D. ACL filtering by destination
  C. unicast RPF strict mode

• Question 116:

  What are two examples of business goals to be considered when a network design is built? (Choose two.)

  A. integrate endpoint posture
  B. faster depreciation
  C. minimize operational costs
  D. reduce complexity
  E. standardize resiliency
  C. minimize operational costs
  D. reduce complexity

• Question 117:

  Which two application requirements are mandatory for traffic to receive proper treatment when placed in the priority queue? (Choose two.)

  A. small transactions (HTTP-like behavior)
  B. WRED drop treatment
  C. tolerance to packet loss
  D. intolerance to jitter
  E. TCP-based application
  A. small transactions (HTTP-like behavior)
  D. intolerance to jitter

• Question 118:

  Refer to the exhibit.

  

  Your company designed a network to allow server VLANs to span all access switches in a data center In the design, Layer 3 VLAN interfaces and HSRP are configured on the aggregation switches. Which two features improve STP stability within the network design? (Choose two.)

  A. BPDU guard on access ports
  B. BPDU guard on the aggregation switch downlinks toward access switches
  C. root guard on the aggregation switch downlinks toward access switches
  D. root guard on access ports
  E. edge port on access ports
  F. access switch pairs explicitly determined to be root and backup root bridges
  A. BPDU guard on access ports
  E. edge port on access ports

• Question 119:

  Router R1 is a BGP speaker with one peering neighbor over link "A". When the R1 link/interface "A" fails, routing announcements are terminated, which results in the tearing down of the state for all BGP routes at each end of the link. What is this a good example of?

  A. fault isolation
  B. resiliency
  C. redundancy
  D. fate sharing
  D. fate sharing

• Question 120:

  An existing wireless network was designed to support data traffic only. You must now install context Aware services for location tracking changes must be applied to the existing wireless network to increase the location accuracy? (Chose two)

  A. Add access points along the perimeter of the coverage area.
  B. Increase the access point density to create an average inter-access point distance of less than 40 feet or 12.2 meters
  C. Use directional antennas to provide more cell overlapping
  D. Install additional access points in monitor mode where the co-channel interference would otherwise be affected
  E. Fine tune the radio configuration of the access point to have a higher average transmission power to achieve better coverage
  B. Increase the access point density to create an average inter-access point distance of less than 40 feet or 12.2 meters
  E. Fine tune the radio configuration of the access point to have a higher average transmission power to achieve better coverage