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2021 Feb ccnp switch 642-813 official certification guide:
Q41. What two things occur when an RSTP edge port receives a BPDU? (Choose two.)
A. The port immediately transitions to the forwarding state.
B. The switch generates a Topology Change Notification BPDU.
C. The port immediately transitions to the err-disable state.
D. The port becomes a normal STP switch port.
Answer: BD
Q42. DRAG DROP
You have been tasked with planning a Vlan solution that will connect a server in one building to several hosts in another building. The solution should be built using the local Vlan model and layer 3 switching at the distribution layer. Identify the questions related to this Vlan solution that would ask the network administrator before you start the planning by dragging them into the target zone on the right. Not all questions will be used.
Answer:
Q43. Which statement is a characteristic of multi-VLAN access ports?
A. The port has to support STP PortFast.
B. The auxiliary VLAN is for data service and is identified by the PVID.
C. The port hardware is set as an 802.1Q trunk.
D. The voice service and data service use the same trust boundary.
Answer: C
Q44. Which statement is true about RSTP topology changes?
A. Any change in the state of the port generates a TC BPDU.
B. Only nonedge ports moving to the forwarding state generate a TC BPDU.
C. If either an edge port or a nonedge port moves to a block state, then a TC BPDU is generated.
D. Only edge ports moving to the blocking state generate a TC BPDU.
E. Any loss of connectivity generates a TC BPDU.
Answer: B
Q45. HOTSPOT
During routine maintenance, it became necessary to shut down the GigabitEthernet1/0/1 interface on DSW1. All other interfaces were up. During this time, DSW1 remained the active device for the VLAN 102 HSRP group. You have determined that there is an issue with the decrement value in the track command for the VLAN 102 HSRP group.
What needs to be done to make the group for function properly?
A. The decrement value on DSW1 should be greater than 5 and less than 15.
B. The decrement value on DSW1 should be greater than 9 and less than 15.
C. The decrement value on DSW1 should be greater than 11 and less than 19.
D. The decrement value on DSW1’s should be greater than 190 and less than 200.
E. The decrement value on DSW1’s should be greater than 195 and less than 205.
Answer: C
Explanation:
The decrement value on DSW1 should be greater than 11 and less than 19.
The decrement value is currently set to 5 on DSW1 and the priority value is 200. The priority value for VLAN 102 on DSW2 is 190 so the decrement value on DSW should be greater than 11 in order for DSW2 to become active.
Improve testking 642-813:
Q46. Refer to the exhibit.
What happens to traffic within VLAN 14 with a source address of 172.16.10.5?
A. The traffic is forwarded to the TCAM for further processing.
B. The traffic is forwarded to the router processor for further processing.
C. The traffic is dropped.
D. The traffic is forwarded without further processing.
Answer: C
Q47. DRAG DROP
Categorize the high availability network resource or feature with the management level on the right. All choices should be used.
Answer:
Q48. Refer to the exhibit.
Which VRRP statement about the roles of the master virtual router and the backup virtual router is true?
A. Router A is the master virtual router, and router B is the backup virtual router. When router A fails, router B becomes the master virtual router. When router A recovers, router B maintains the role of master virtual router.
B. Router A is the master virtual router, and router B is the backup virtual router. When router A fails, router B becomes the master virtual router. When router A recovers, it regains the master virtual router role.
C. Router B is the master virtual router, and router A is the backup virtual router. When router B fails, router A becomes the master virtual router. When router B recovers, router A maintains the role of master virtual router.
D. Router B is the master virtual router, and router A is the backup virtual router. When router B fails, router A becomes the master virtual router. When router B recovers, it regains the master virtual router role.
Answer: B
Q49. Refer to the exhibit.
All network links are FastEthernet. Although there is complete connectivity throughout the network, Front Line users report that they experience slower network performance when accessing the server farm than the Reception office experiences. Which two statements are true? (Choose two.)
A. Changing the bridge priority of S1 to 4096 would improve network performance.
B. Changing the bridge priority of S1 to 36864 would improve network performance.
C. Changing the bridge priority of S2 to 36864 would improve network performance.
D. Changing the bridge priority of S3 to 4096 would improve network performance.
E. Disabling the Spanning Tree Protocol would improve network performance.
F. Upgrading the link between S2 and S3 to Gigabit Ethernet would improve performance.
Answer: BD
Q50. Which statement correctly describes enabling BPDU guard on an access port that is also enabled for PortFast?
A. Upon startup, the port transmits 10 BPDUs. If the port receives a BPDU, PortFast and BPDU guard are disabled on that port and it assumes normal STP operation.
B. The access port ignores any received BPDU.
C. If the port receives a BPDU, it is placed into the error-disable state.
D. BPDU guard is configured only globally and the BPDU filter is required for port-level configuration.
Answer: C