Corporate and Datacenter Architectures Flashcards
Which layer of the three-tiered model is most concerned with speed?
a. Access/edge
b. Distribution/aggregation
c. Policy
d. Core
Answer: d. The core layer is most concerned with raw speed.
Which layer of the three-tiered model is most likely to feature large amounts
of security and load balancing and is also often responsible for setting policy?
a. Access/edge
b. Distribution/aggregation
c. Workstation
d. Core
Answer: b. The distribution/aggregation layer is most concerned with QoS,
security, and setting policy
How is connectivity for the Cisco ACI spine and leaf model implemented?
a. Each spine device connects to every other device.
b. Each leaf device connects to each spine device.
c. Each spine device connects to every other spine device.
d. Each leaf device must connect to each other leaf device.
Answer: b. Each leaf device connects to each and every spine device to provide a full mesh of all the leafs for every spine.
Which of the following is an example of an east-west traffic flow in a
modern datacenter?
a. A client requesting email from a datacenter SaaS email solution
b. A container requesting services provided by another container in the
solution
c. A client uploading large numbers of archive files for storage
d. The downloading of a large number of archive files from a SAN
Answer: b. In SDN, a great example of east-to-west traffic flow is container-to-container (or VM-to-VM) traffic in the datacenter.
What convergence technology seeks to unify the SAN and the LAN?
a. Fibre Channel
b. IB
c. iSCSI
d. FCoE
Answer: d. The Fibre Channel over Ethernet (FCoE) technology is the unifying technology described here. This approach encapsulates Fibre Channel traffic in Ethernet frames for transport over the converged network infrastructure.
BGP is an example of a technology found in what layer/plane of operation in a
modern network?
a. Management
b. Control
c. Data
d. Policy
Answer: b. Border Gateway Protocol is an exterior gateway protocol used
to share prefixes across the Internet. It can also be used to route internally
for very large organizations, and it is an example of a control layer/plane
technology.
