Cisco 350-401 Online Practice
Questions and Exam Preparation
350-401 Exam Details
Exam Code
:350-401
Exam Name
:Implementing and Operating Cisco Enterprise Network Core Technologies (ENCOR)
Certification
:CCIE Enterprise Wireless
Vendor
:Cisco
Total Questions
:1493 Q&As
Last Updated
:May 24, 2026
Cisco 350-401 Online Questions &
Answers
Question 241:
Refer to the exhibit.
Clients are reporting an issue with the voice traffic from the branch site to the central site.
What is the cause of this issue?
A. There is a routing loop on the network B. There is a high delay on the WAN links C. Traffic is load-balancing over both links, causing packets to arrive out of order D. The voice traffic is using the link with less available bandwidth
A. There is a routing loop on the network
Explanation
Looking at the Traceroute results, I see the same IP address repeated on each hop. This may be caused by repeated hops to the same IP address, causing packets to become stuck in a loop.
Question 242:
Refer to the exhibit. What does the output confirm about the switch's spanning tree configuration?
A. The spanning-tree mode stp ieee command was entered on this switch B. The spanning-tree operation mode for this switch is PVST. C. The spanning-tree operation mode for this switch is PVST+. D. The spanning-tree operation mode for this switch is IEEE
C. The spanning-tree operation mode for this switch is PVST+.
Explanation
PVST+ enables support to IEEE Devices, "SPanning tree enabled protocol IEEE" output confirms PVST+
Question 243:
SIMULATION
Guidelines
This is a lab item in which tasks will be performed on virtual devices.
1. Refer to the Tasks tab to view the tasks for this lab item.
2. Refer to the Topology tab to access the device console(s) and perform the tasks.
3. Console access is available for all required devices by clicking the device icon or using the tab(s) above the console window.
4. All necessary pre-configurations have been applied.
5. Do not remove any existing configurations from the devices, only those necessary to make the appropriate changes required to fulfill the listed tasks.
6. Do not change the enable password or hostname for any device.
7. Save your configurations to NVRAM before moving to the next item.
8. Click Next at the bottom of the screen to submit this lab and move to the next question.
9. When Next is clicked, the lab closes and cannot be reopened.
Topology
Tasks
A. See the solution below in Explanation. B. Place Holder C. Place Holder D. Place Holder
A. See the solution below in Explanation.
Explanation
Solution:
Question 244:
Which PAgP mode combination prevents an Etherchannel from forming?
A. auto/auto B. desirable/desirable C. auto/desirable D. desirable
A. auto/auto
Explanation
There are two PAgP modes:
The table below lists if an EtherChannel will be formed or not for PAgP:
Which outbound access list, applied to the WAN interface of a router, permits all traffic except for http traffic sourced from the workstation with IP address 10.10.10.1?
A. ip access-list extended 10deny tcp host 10.10.10.1 any eq 80permit ip any any B. ip access-list extended 200deny tcp host 10.10.10.1 eq 80 anypermit ip any any C. ip access-list extended NO_HTTPdeny tcp host 10.10.10 1 any eq 80 D. ip access-list extended 100deny tcp host 10.10.10.1 any eq 80permit ip any any
D. ip access-list extended 100deny tcp host 10.10.10.1 any eq 80permit ip any any
Question 246:
Refer to the exhibit. To which setting is the client limitation for WLAN LAP1 configured?
A. 60 B. 1800 C. Client exclusion is not enabled D. 25
D. 25
Question 247:
Refer to the following two images regarding QoS Traffic Shaping and Traffic Policing:
Image A:
Image B:
Based on the images, which of the following are true? (Choose two.)
A. Image A depicts the result of Traffic Shaping B. Image A depicts the result of Traffic Policing C. Image B depicts the result of Traffic Shaping D. Image B depicts the result of Traffic Policing
B. Image A depicts the result of Traffic Policing C. Image B depicts the result of Traffic Shaping
Which HTTP code must be returned to prevent the script form exiting?
A. 200 B. 201 C. 300 D. 301
D. 301
Question 249:
An engineer must configure a new loopback Interface on a router and advertise the interface as a fa4 in OSPF. Which command set accomplishes this task?
A. R2(config)# interface LoopbackoR2(config-if)# ip address 172.22.2.1 255.255.255.0R2(config-if)# ip ospf 100 area 0 B. R2(config)# interface LoopbackoR2(config-if)# ip address 172.22.2.1 255.255.255.0R2(config-if)# ip ospf network point-to-pointR2(config-if)#ip ospf 100 area 0 C. R2(config)# interface LoopbackoR2(config-if)# ip address 172.22.2.1 255.255.255.0R2(config-if)# ip ospf network point-to-multipointR2(config-if)# router ospf 100R2(config-router)# network 172.22.2.0 0.0.0.265 area 0 D. R2(config)# interface LoopbackoR2(config-if)# ip address 172.22.2.1 255.255.255.0R2(config-if)# ip ospf network broadcastR2(config-if)# ip ospf 100 area 0
B. R2(config)# interface LoopbackoR2(config-if)# ip address 172.22.2.1 255.255.255.0R2(config-if)# ip ospf network point-to-pointR2(config-if)#ip ospf 100 area 0
Explanation
When OSPF is running on a given loopback interface, it sees the network type of "LOOPBACK" and it knows that it can not establish an adjacency through that loopback interface with another router so it advertises that loopback as a host route or the only IP address on that logical interface. As Martin explained so nicely you can tell OSPF that it is not a loopback and it is a point-to-point network type, and OSPF says "OK I am going to advertise the interface with its correct mask". In MPLS environment where OSPF is the IGP in the core, and you have configured the loopback interface of the PE router with a /24 mask, you can have some problems, because there is a discrepancy, the loopback's mask is 24 but OSPF is advertising a mask of /32. There are few solutions to fix this problem, one solution is to reconfigure the mask to be /32, another solution is to configure the loopback interface with "ip ospf network point-to-point".
Question 250:
Refer to the exhibit.
A port channel is configured between SW2 and SW3. SW2 is not running a Cisco operating system. When all physical connections are made, the port channel does not establish.
Based on the configuration except of SW3, what is the cause of the problem?
A. The port channel on SW2 is using an incompatible protocol. B. The port-channel trunk is not allowing the native VLAN. C. The port-channel should be set to auto. D. The port-channel interface lead balance should be set to src-mac
A. The port channel on SW2 is using an incompatible protocol.
Explanation
The Cisco switch was configured with PAgP, which is a Cisco proprietary protocol so non-Cisco switch could not communicate.
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