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A network engineer is troubleshooting a performance issue between two hosts connected to a Cisco Catalyst 3850 switch. The engineer wants to capture all traffic sent and received by Host A (Gi1/0/1) and send it to a monitoring station connected to Gi1/0/24. The engineer configures 'monitor session 1 source interface Gi1/0/1 both' and 'monitor session 1 destination interface Gi1/0/24'. However, the monitoring station receives only traffic sent by Host A, not traffic received. What is the most likely cause?
2A network engineer needs to monitor traffic between two VLANs on a Cisco Catalyst 9300 switch. The engineer wants to capture all packets that traverse the switch between VLAN 10 and VLAN 20. The monitoring station is connected to port Gi1/0/24. Which configuration should the engineer use to capture this inter-VLAN traffic?
3An engineer is configuring RSPAN to monitor traffic from multiple switches in a data center. The monitoring station is connected to a central switch. The engineer has configured an RSPAN VLAN (VLAN 999) on all switches and set up the source sessions on the remote switches. However, the monitoring station receives no traffic. On the central switch, the engineer verifies that the RSPAN VLAN is active and that the destination session is configured. What is a likely missing configuration?
4A network engineer is using a Cisco Catalyst 3850 switch to monitor traffic from a server connected to port Gi1/0/1. The monitoring station is on port Gi1/0/24. The engineer configures 'monitor session 1 source interface Gi1/0/1 both' and 'monitor session 1 destination interface Gi1/0/24'. The monitoring station receives traffic, but the engineer notices that the switch CPU utilization is high. What is the most likely cause of the high CPU?
5A network engineer needs to monitor traffic from a specific VLAN (VLAN 100) on a Cisco Catalyst 9300 switch and send the mirrored traffic to a monitoring station on a different switch across a routed network. The engineer decides to use ERSPAN. Which configuration is required on the source switch?
6An engineer is configuring SPAN on a Cisco Catalyst 3850 switch to monitor traffic from a trunk port (Gi1/0/1) that carries VLANs 10, 20, and 30. The monitoring station is on port Gi1/0/24. The engineer wants to capture only VLAN 20 traffic from the trunk. Which configuration should the engineer use?
7A network engineer is troubleshooting a security issue and needs to capture all traffic between two servers connected to different switches. The switches are connected via a trunk link. The monitoring station is connected to a third switch. The engineer decides to use RSPAN. Which of the following is a mandatory requirement for RSPAN to function correctly?
8An engineer is configuring SPAN on a Cisco Catalyst 9300 switch to monitor traffic from a port that is part of an EtherChannel (Port-channel 1). The monitoring station is on port Gi1/0/24. Which configuration should the engineer use to capture traffic from the EtherChannel?
9A network engineer is monitoring traffic from a server connected to a Cisco Catalyst 3850 switch. The engineer configures a SPAN session with source interface Gi1/0/1 and destination interface Gi1/0/24. The monitoring station receives traffic, but the engineer notices that the destination port is not forwarding any normal traffic. What is the most likely reason?
10A network engineer runs the following command on Switch SW1: SW1# show monitor session 1 Session 1 --------- Type : Local Session Source Ports : Both : Gi1/0/1 Both : Gi1/0/2 Destination Ports : Gi1/0/10 Encapsulation : Native Ingress : Disabled Based on this output, what can be concluded?
11A network engineer runs the following command on Switch SW2: SW2# show monitor session 2 Session 2 --------- Type : Remote Source Session Source Ports : TX Only : Gi1/0/5 RX Only : Gi1/0/6 Destination Ports : Gi1/0/20 Encapsulation : Replicate Based on this output, what can be concluded?
12A network engineer runs the following command on Switch SW3: SW3# show monitor session 3 Session 3 --------- Type : Remote Destination Session Source RSPAN VLAN : 100 Destination Ports : Gi1/0/15 Encapsulation : Native Ingress : Disabled Based on this output, what can be concluded?
13A network engineer runs the following command on Switch SW4: SW4# show monitor session 4 Session 4 --------- Type : Local Session Source VLANs : RX Only : 10,20 Destination Ports : Gi1/0/25 Encapsulation : Native Ingress : Disabled Based on this output, what can be concluded?
14A network engineer runs the following command on Switch SW5: SW5# show monitor session 5 Session 5 --------- Type : Remote Source Session Source Ports : Both : Gi1/0/1-3 Destination Ports : Gi1/0/24 Encapsulation : Replicate Based on this output, what can be concluded?
15A network engineer runs the following command on Switch SW6: SW6# show monitor session 6 Session 6 --------- Type : Remote Destination Session Source RSPAN VLAN : 200 Destination Ports : Gi1/0/12 Encapsulation : Native Ingress : Disabled Based on this output, what can be concluded?
16A network engineer runs the following command on Switch SW7: SW7# show monitor session 7 Session 7 --------- Type : Local Session Source Ports : Both : Gi1/0/1 Destination Ports : Gi1/0/20 Encapsulation : Native Ingress : Enabled Based on this output, what can be concluded?
17A network engineer runs the following command on Switch SW8: SW8# show monitor session 8 Session 8 --------- Type : Remote Source Session Source VLANs : Both : 30 Destination Ports : Gi1/0/30 Encapsulation : Replicate Based on this output, what can be concluded?
18A network engineer runs the following command on Switch SW9: SW9# show monitor session 9 Session 9 --------- Type : Remote Destination Session Source RSPAN VLAN : 300 Destination Ports : Gi1/0/40 Encapsulation : Native Ingress : Disabled Based on this output, what can be concluded?
19Given the following configuration snippet on a Cisco IOS-XE switch: interface GigabitEthernet1/0/1 switchport mode access switchport access vlan 10 spanning-tree portfast monitor session 1 source interface GigabitEthernet1/0/1 both monitor session 1 destination interface GigabitEthernet1/0/2 What is the effect of this configuration?
20Examine the following RSPAN configuration on a Cisco Catalyst switch: vlan 100 name RSPAN_VLAN remote-span monitor session 1 source vlan 10 both monitor session 1 destination remote vlan 100 Which statement about this configuration is true?
21Consider the following SPAN configuration on a Cisco IOS-XE switch: monitor session 2 source interface GigabitEthernet1/0/3 rx monitor session 2 destination interface GigabitEthernet1/0/4 What is the effect of this configuration?
22Given the following configuration on a Cisco switch: monitor session 1 source interface GigabitEthernet1/0/1 - 3 both monitor session 1 destination interface GigabitEthernet1/0/4 What is the effect of this configuration?
23Examine the following RSPAN configuration on a Cisco switch: vlan 200 name RSPAN_VLAN remote-span monitor session 3 source interface GigabitEthernet1/0/5 both monitor session 3 destination remote vlan 200 interface GigabitEthernet1/0/10 switchport mode trunk switchport trunk allowed vlan 200 What is missing for RSPAN to function correctly across multiple switches?
24Given the following SPAN configuration on a Cisco IOS-XE switch: monitor session 4 source interface GigabitEthernet1/0/6 tx monitor session 4 destination interface GigabitEthernet1/0/7 What does this configuration do?
25What is the maximum number of SPAN sessions that can be configured on a Cisco Catalyst 9300 switch?
26Which statement about RSPAN is true?
27What is the purpose of the 'encapsulation replicate' keyword in a SPAN destination configuration?
28Drag and drop the steps of RSPAN session configuration and traffic flow into the correct order, from first to last.
29Drag and drop the steps of configuring a local SPAN session on a Cisco IOS switch into the correct order, from first to last.
30Drag and drop the steps of troubleshooting a failed RSPAN session into the correct order, from first to last.
31Drag and drop the steps of ERSPAN (Encapsulated RSPAN) session configuration into the correct order, from first to last.
32Drag and drop the steps of Multiple SPAN source ports with filter VLAN into the correct order, from first to last.
33Drag and drop the steps of RSPAN VLAN propagation across trunk links into the correct order, from first to last.
34Drag and drop the steps of SPAN session on EtherChannel member ports into the correct order, from first to last.
35Drag and drop the steps of Embedded Packet Capture (EPC) on IOS-XE steps into the correct order, from first to last.
36Drag and drop the steps of ERSPAN (Encapsulated RSPAN) session configuration into the correct order, from first to last.
37Drag and drop the steps of Multiple SPAN source ports with filter VLAN into the correct order, from first to last.
38Drag and drop the steps of RSPAN VLAN propagation across trunk links into the correct order, from first to last.
39Drag and drop the steps of SPAN session on EtherChannel member ports into the correct order, from first to last.
40Drag and drop the steps of Embedded Packet Capture (EPC) on IOS-XE steps into the correct order, from first to last.
41Drag and drop each SPAN type on the left to its correct scope description on the right.
42Drag and drop each SPAN source type on the left to the traffic it monitors on the right.
43Drag and drop each ERSPAN version on the left to its correct header format on the right.
44Drag and drop each RSPAN VLAN requirement on the left to its correct restriction on the right.
45Drag and drop each traffic direction on the left to the correct SPAN keyword used to monitor it on the right.
46Drag and drop each SPAN type on the left to its correct scope description on the right.
47Drag and drop each SPAN source type on the left to its correct monitored traffic description on the right.
48Drag and drop each ERSPAN version on the left to its correct header format description on the right.
49Drag and drop each RSPAN VLAN requirement on the left to its correct restriction on the right.
50Drag and drop each traffic direction on the left to its correct SPAN keyword on the right.
51Which two statements about local SPAN configuration are true? (Choose two.)
52Which three statements about RSPAN are true? (Choose three.)
53Which two statements about SPAN and RSPAN configuration limits are true? (Choose two.)
54Which three statements about RSPAN configuration and behavior are true? (Choose three.)
55Which two statements about SPAN and RSPAN are true? (Choose two.)
56Which two statements about configuring SPAN on Cisco IOS-XE switches are true? (Choose two.)
57Which three statements about RSPAN are true? (Choose three.)
58Which three statements about SPAN and RSPAN limitations are true? (Choose three.)
The SPAN and RSPAN domain covers the key concepts tested in this area of the 350-401 exam blueprint published by Cisco. Courseiva provides free domain-focused practice, mock exams, missed-question review, and readiness tracking across all 350-401 domains — no account required.
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