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Free 350-601 Exam Braindumps (page: 16)

Page 15 of 132
PDF with 521 Questions

Refer to the exhibit. An engineer must monitor ingress traffic from SW1 and SW2 port-channel interfaces from SW3. Which configuration must be implemented to accomplish this goal?

Answer(s): B

Explanation:

B is correct since the ingress traffic (traffic received from SW1 and SW2) must be the source interface on SW3:
SW3# configure terminal -
SW3(config)# monitor session 2 -
SW3(config-monitor)# source interface port-channel 1 rx
SW3(config-monitor)# source interface port-channel 2 rx
SW3(config)# interface ethernet 1/4
SW3(config-if)# switchport monitor
SW3(config-if)# exit -
SW3(config)# monitor session 2 -
SW3(config-monitor)# destination interface ethernet 1/4



Refer to the exhibit. A host with a source address 10.10.10.10 sends traffic to multicast group 239.1.1.1. How do the vPC switches forward the multicast traffic?

  1. If multicast traffic is received on Switch1 over the vPC peer-link, the traffic is dropped
  2. If multicast traffic is received on Po10 Switch1, the traffic is forwarded out on Po1 and Po20
  3. If multicast traffic is received on Po11 Switch2, the traffic is forwarded out only on Po20
  4. If multicast traffic is received on Po11 Switch2, the traffic is dropped.

Answer(s): D

Explanation:

Switch2 will never get the stream due to a missing OIF on Switch 2


Reference:

https://www.cisco.com/c/en/us/support/docs/ip/multicast/214140-multicast-forwarding-in-vpc-based-on-loc.html#anc8



A network architect must redesign a data center network based on OSPFv2. The network must perform fast reconvergence between directly connected switches.
Which two actions must be taken to meet the requirements? (Choose two.)

  1. Set low OSPF hello and DEAD timers.
  2. Configure all links on AREA 0.
  3. Enable BFD for failure detection.
  4. Use OSPF point-to-point links only.
  5. Implement a virtual link between the switches.

Answer(s): C,D

Explanation:

Detecting link and node failures quickly is number one priority for fast convergence. For maximum speed, relying on IGP keepalive times should be avoided whether possible and physical failure detection mechanisms should be used. This implies the use of physical point-to-point links whether possible.
BFD (BiDirectional Forwarding Detection) provides sub-second convergence for many protocols and is done in hardware. BFD will also only work on point-to- point links.



Refer to the exhibit. Which configuration ensures that the Cisco Nexus 7000 Series Switches are the primary devices for LACP?

  1. N7K_A(config-vpc-domain)# role priority 1 N7K_B(config-vpc-domain )# role priority 2
  2. N7K_A(config-vpc-domain)# system-priority 32768 N7K_B(config-vpc-domain)# system-priority 32768
  3. N7K_A(config-vpc-domain)# system-priority 100 N7K_B(config-vpc-domain)# system-priority 200
  4. N7K_A(config-vpc-domain)# system-priority 4000 N7K_B(config-vpc-domain)# system-priority 4000

Answer(s): D

Explanation:

You should manually configure the vPC system priority when you are running Link Aggregation Control Protocol (LACP) to help ensure that the vPC peer devices are the primary devices on LACP.
When you manually configure the system priority, ensure that you configure the same priority value on both vPC peer devices. If these values do not match, vPC will not come up. The defaut priority is 32667, and a lower value will become the primary.


Reference:

https://community.cisco.com/t5/server-networking/vpc-system-priority/td-p/1650914






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