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Q71. Which three major points are important for network virtualization to separate logical networks on a shared physical infrastructure? (Choose three.)
A. VLANs
B. data plane
C. control plane
D. VPNs
E. VSANs
F. management plane
Answer: B,C,F
Q72. Which QoS mechanism uses PHBs?
A. DiffServ
B. IntServ
C. CoS
D. ToS
Answer: A
Q73. What is an advantage of having an out-of-band management?
A. It is less expensive to have an out-of-band management.
B. Network devices can still be managed, even in case of network outage.
C. There is no separation between the production network and the management network.
D. SSH protocol must be used to manage network devices.
Answer: B
Q74. In what situation must spanning-tree be implemented?
A. when first hop redundancy protocol exists with redundant Layer 2 links between distribution switches
B. when a VLAN spans access layer switches to support business applications
C. when trunks need to extend multiple VLANs across access switches
D. when it is necessary to speed up network convergence in case of link failure
Answer: A
Q75. Which type of application traffic typically requires prioritization across networks and may use a DSCP value of 34 (AF41)?
A. voice
B. interactive video
C. call signaling
D. routing
E. streaming video
F. network management
Answer: B
Q76. What is the latest Cisco high-availability solution?
A. VRRP
B. HSRP
C. VSS
D. GLBP
Answer: C
Q77. What Nexus technology avoids blocking links between the access layer and the aggregation layer in a data center network design?
A. FCoE
B. LACP
C. vPC
D. FEX
Answer: C
Q78. Which protocol should be run on the LAN side of.two edge routers (that are terminating primary and backup WAN circuits) to provide quick failover in case of primary WAN circuit failure?
A. VTP
B. STP
C. VRRP
D. RIP
Answer: C
Q79. What is one reason to implement Control Plane Policing?
A. allow OSPF routing protocol to advertise routes
B. protect the network device route processor from getting overloaded by rate limiting the incoming control plane packets
C. allow network devices to generate and receive packets
D. protect the data plane packets
Answer: B
Q80. Which configuration represents resiliency at the hardware and software layers?
A. multiple connections and FHRP
B. HSRP and GLBP
C. redundant supervisor and power supplies
D. dual uplinks and switches
Answer: A