400-007

400-007 practice questions, page 10 of 14, with answer review and explanations.

Question 46

Company XYZ needs advice in redesigning their legacy Layer 2 infrastructure. Which technology should be included in the design to minimize or avoid convergence delays due to STP or FHRP and provide a loop-free topology?

  1. Use BFD.
  2. Use switch clustering in the core/distribution layer.
  3. Use spanning-tree PortFast.
  4. Use switch clustering in the access layer.

Question 47

Drag and drop the multicast protocols from the left onto the correct design situations on the right. Not all options are used. Select and Place:

Question 48

Which function is performed at the access layer of the three-layer hierarchical network design model?

  1. fast transport
  2. reliability
  3. fault isolation
  4. redundancy and load balancing
  5. QoS classification and marking boundary

Question 49

Which two features control multicast traffic in a VLAN environment? (Choose two.)

  1. RGMP
  2. PIM snooping
  3. MLD snooping
  4. pruning
  5. IGMP snooping

Question 50

In an OSPF network with routers connected together with Ethernet cabling, which topology typically takes the longest to converge?

  1. squared
  2. ring
  3. partial mesh
  4. triangulated
  5. full mesh