Question: 1
The cloud service provider CSP is planning to launch five data centers in Egypt, United Arab Emirates, Saudi Arabia, Qatar and Turkey. CSP is looking for VLAN extension and DCIs between these five data centers to allow for software replication, where original and backup VMs must be on the same subnet. Which tunneling technology must they use?
A. VPLS
B. IPsec VPN
C. VPWS
D. L2TPv3
Answer: A
Question: 2
As part of network design, two geographically separated data centers must be interconnected using Ethernet-over-MPLS pseudowire. The link between the sites is stable, the topology has no apparent loops, and the root bridges for the respective VLANs are stable and unchanging. Which aspect must be the part of the design to mitigate the risk of connectivity issues between the data centers?
A. Enable 802.1d on one data center, and 802.1w on the other.
B. Ensure that the spanning tree diameter for one or more VLANs is not too large.
C. Enable UDLD on the link between the data centers.
D. Enable root guard on the link between the data centers.
Answer: B
Question: 3
Which load balancing option for IP-only traffic is the least efficient in terms of EtherChannel physical links utilization?
A. On a per source IP address basis
B. On a per destination MAC address basis
C. On a per destination IP address basis
D. On a per port number basis
Answer: B
Question: 4
A service provider wants to use a controller to automate the provisioning of service function chaining. Which two overlay technologies can be used with EVPN MP-BGP to create the service chains in the data center?
A. VXLAN B. MPLS L2VPN
C. Provider Backbone Bridging EVPN
D. 802.1Q
Answer: A
Question: 5
Company ABC is using an Ethernet virtual circuit as its provider’s DCI solution. A goal is to reduce the time to detect the link failure. Which protocol accomplishes this goal?
A. UDLD
B. Spanning tree bridge assurance
C. Link aggregation group
D. Ethernet OAM
Answer: D
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