A financial trading organization plans to monitor the network latency for multicast data feeds on a hop-by-hop basis. Which technology should be added to their design to support this requirement?
A. SPAN
B. NBAR
C. IPFIX
D. Precision Time Protocol
Which option is a design consideration when using routers in a distributed hardware architecture?
A. Routing information is stored in the RIB and the FIB makes forwarding decisions as programmed on the line card hardware
B. After a link failure occurs in the core, the RIB continues to forward the traffic while FIB convergence is in progress
C. BGP routes are stored in the RIB and IGP routes are stored in the FIB
D. IP routes are stored in the RIB and MPLS labels are stored in the FIB
Your client is considering acquiring a new IPv6 address block so that all Ethernet interfaces on the network receive addresses based on their burned-in hardware addresses, with support for 600 VLANs. Which action do you recommend?
A. Acquire a new /60 IPv6 network and subnet it into /70 networks, one per VLAN
B. Acquire a new /58 IPv6 network and subnet it into /64 networks, one per VLAN
C. Acquire a new /60 Ipv6 network and subnet it into /68 networks, one per VLAN
D. Acquire a new/54 IPv6 network and subnet it into /64 networks , one per VLAN
Which two functions are performed at the distribution layer of the three-layer hierarchical network design model? (Choose two) A. Fast transport
B. QoS classification and marking boundary
C. Fault isolation
D. Redundancy and load balancing
E. Reliability
You are redesigning a single-level IS-IS network with 500 routers, which have short-haul and long-haul links Most of the time the routing domain is stable, but periodically interfaces on long-haul links bounce for a short period of time , causing
10 to 20 flaps in a few minutes. The probable cause is local road construction. Although fast convergence important, the client has concerns about taxing CPU cycles on the older routing platforms.
What change should you recommend that both protects the CPU of the older routers during the short periods of excessive flapping, yet does not have an impact on fast convergence for all interface failures?
A. Modify hello timers on routers with short-haul links
B. Implement LSP generation throttling on routers with long-haul links
C. Modify the length of time than an LSP remains in the router database without being refreshed on all routers
D. Implement a delay between successive IS-IS LSP packet transmissions on routers with long-haul links
Which two options are potential problems with route aggregation? (Choose two)
A. Maintaining host IP addresses during migrations
B. Route flapping
C. Suboptimal routing
D. Topology hiding
E. Asymmetric routing
F. Prefix hijacking
You are reviewing a new data center design for a customer. They chose to leverage a tunnel-based overlay technology for quick deployment and multitenant security. Which design concern can affect the availability across the data center?
A. Nonoverlapping IP address space between the overlay networks
B. MTU size on the underlay links
C. Review of comman paths on the underlay links
D. Paper placement of STP root bridge in overlay networks
Across a large WAN network, there will be new video traffic being distributed from a single source at any given time however, the video source might originate from different parts of the multicast domain at different times . Which multicast technology provides for this multicast traffic to be distributed with optimal path selection to the source?
A. Any source Multicast.
B. PIM sparse mode.
C. Bidirectional PIM.
D. Source Specific Multicast.
Which effect of designing a Layer 2 network using the PortFast fast feature with PVST+ is true?
A. It shuts down the port when receiving the superior BPDU
B. It accelerates the network convergence on the trunk uplinks
C. In combination with BPDU filtering, it causes the switch port to stay in the forwarding state
D. It moves the switch port directly to the forwarding state
Which two options are design considerations when introducing FCoE into an existing network? (Choose two)
A. The FCoE QoS markings may overlap with call signaling QoS markings
B. Optical cabling is needed to transmit FCoE traffic between a server and its directly connected Ethernet switch
C. The existing network must support a MTU of 3280 bytes
D. Twinaxial cabling can be used to transmit FCoE traffic between a server and its directly connected Ethernet switch, if it is less than 10 meters
E. All the servers in the data center must be retrofitted with converged Network Adapters
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