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Q3.
Refer to the exhibit. A customer wants to use HSRP as a First Hop Redundancy Protocol. Both routers are currently running and all interfaces are active. Which factor determines which router becomes the active HSRP device?
A. the router with the highest MAC address for the respective group
B. the router with the highest IP address for the respective group
C. the router that boots up last
D. the router with the highest interface bandwidth for the respective group
Answer: B
Q4. An engineer is considering uplink bandwidth over-subscription in a Layer 3 network design. Which option is the Cisco recommended over-subscription ratio for uplinks between the distribution and core layers?
A. 3 to 1
B. 4 to 1
C. 6 to 1
D. 8 to 1
Answer: B
Q5. Design QoS (traffic regulation mechanisms ? )(Choose Two)
A. Classification
B. Shaping
C. Policing
D. Queuing
Answer: B,C
Q6. Which option lists the EIGRP minimum timer settings for hello and dead timers in seconds?
A. 4 and 6
B. 2 and 4
C. 2 and 6
D. Both 6
Answer: C
Q7. The network engineering team for a large university must increase the security within the core of the network by ensuring that IP traffic only originates from a network segment that is assigned to that interface in the routing table. Which technology must be chosen to accomplish this requirement?
A. VLAN access control lists
B. Unicast Reverse Path Forwarding
C. Intrusion prevention system
D. ARP inspection
Answer: A
Q8. When a site has Internet connectivity with two different ISPu2021s, which two strategies are recommended to avoid becoming a BGP transit site? (Choose two.)
A. accept all inbound routes from ISPs
B. advertise all routes to both ISPs.
C. filter routes inbound from the ISPs.
D. filter routes outbound to the ISPs.
E. use a single service provider.
Answer: A,D
Q9. A network engineer wants to limit the EIGRP query scope to avoid high CPU and memory utilization on low-end routers as well as limiting the possibility of a stuck-in- active routing event between HQ and branch offices. Which way to achieve these goals?
A. Configure different Autonomous System number per each branch office and HQ and redistribute routes between autonomous systems.
B. Configure all routers at branch offices as EIGRP stub and allow only directly connected networks at branch offices to be advertised to HQ
C. Configure all routers at branch offices as EIGRP stub
D. Configure all routers at HQ and branch offices as EIGRP stub
Answer: C
Q10. An engineer is working for a large scale cable TV provider that requires multicast on multisourced streaming video, but must not use any rendezvous point mechanism. Which multicast protocol must be configured?
A. SSM
B. ASM
C. PIM-SM
D. BIDIR-PIM
Answer: A
Q11. What are two point-to-multipoint overlay tunneling strategies that are used in transitioning to IPv6 (choose two)?
A. ISATAP
B. 6to4
C. Nat64
D. Dual-stack
Answer: A,B
Explanation:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/interface/configuration/xe-3s/ir-xe-3s-book/ip6-6to4-tunlsxe.html
"The key difference between automatic 6to4 tunnels and manually configured tunnels is that the tunnel is not point-to-point; it is point-to-multipoint."
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/interface/configuration/xe-3s/ir-xe-3s-book/ip6-isatap-xe.html
"ISATAP Point-to-multipoint tunnels that can be used to connect systems within a site."
Q12. What is the correct oversubscription ratio between aggregation and core layer? (E)
A. 1 to 2
B. 1 to 4
C. 1 to 8
D. 1 to 10
Answer: B
Explanation:
Network oversubscription refers to a point of bandwidth consolidation where the ingress bandwidth is greater than the egress bandwidth. For example, at an ISL uplink from an edge layer switch to a core, the oversubscription of the ISL is typically on the order of 7:1 or greater. In a single director fabric, the fan-out ratio of server to storage subsystem ports is directly related to the network oversubscription and is typically on the order of 10:1 or higher. Network oversubscription is normal and unavoidable-it is a direct by product of the primary purpose for deploying a SAN. An important characteristic of the network related to oversubscription is its ability to fairly allocate its bandwidth resources among all clients of the SAN.
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