350-401: Implementing Cisco Enterprise Network Core Technologies (350-401 ENCOR)

Which option must be used to support a WLC with an IPv6 management address and 100 Cisco Aironet 2800 Series access points that will use DHCP to register?

43
52
60
82

Correct answer: B

Explanation:

The CAPWAP protocol allows a lightweight access point (AP) to use DHCP to discover a wireless controller to which it is connected to. Cisco lightweight APs running 8.0 and above support DHCP discovery for both IPv4 and IPv6 networks:IPv4 Cisco lightweight APs implement DHCP option 43 to supply the IPv4 management interface addresses of the primary, secondary, and tertiary wireless controllers (see the guide).IPv6 Cisco lightweight APs implement DHCPv6 option 52 (RFC 5417) to supply the IPv6 management interface addresses of the primary, secondary, and tertiary wireless controllers.Reference: https://www.cisco.com/c/en/us/td/docs/wireless/controller/technotes/8-0/IPV6_DG.htmlThis question asks about DHCPv6, not DHCPv4 so Option 52 is the best answer.

The CAPWAP protocol allows a lightweight access point (AP) to use DHCP to discover a wireless controller to which it is connected to. Cisco lightweight APs running 8.0 and above support DHCP discovery for both IPv4 and IPv6 networks:

IPv4 Cisco lightweight APs implement DHCP option 43 to supply the IPv4 management interface addresses of the primary, secondary, and tertiary wireless controllers (see the guide).
IPv6 Cisco lightweight APs implement DHCPv6 option 52 (RFC 5417) to supply the IPv6 management interface addresses of the primary, secondary, and tertiary wireless controllers.

Reference: https://www.cisco.com/c/en/us/td/docs/wireless/controller/technotes/8-0/IPV6_DG.html

This question asks about DHCPv6, not DHCPv4 so Option 52 is the best answer.

Drag and drop the characteristics from the left onto the switching mechanisms they describe on the right.

Correct answer: To work with this question, an Exam Simulator is required.

Explanation:

There are different switching methods to forward IP packets. Here are the different switching options:Process switching:All packets are examined by the CPU and all forwarding decisions are made in software...very slow!Fast switching (also known as route caching):The first packet in a flow is examined by the CPU; the forwarding decision is cached in hardware for the next packets in the same flow. This is a faster method.(CEF) Cisco Express Forwarding (also known as topology based switching):Forwarding table created in hardware beforehand. All packets will be switched using hardware. This is the fastest method but there are some limitations. Multilayer switches and routers use CEF.

There are different switching methods to forward IP packets. Here are the different switching options:

Process switching:

All packets are examined by the CPU and all forwarding decisions are made in software...very slow!

Fast switching (also known as route caching):

The first packet in a flow is examined by the CPU; the forwarding decision is cached in hardware for the next packets in the same flow. This is a faster method.

(CEF) Cisco Express Forwarding (also known as topology based switching):

Forwarding table created in hardware beforehand. All packets will be switched using hardware. This is the fastest method but there are some limitations. Multilayer switches and routers use CEF.

An engineer must create a script to append and modify device entries in a JSON-formatted file. The script must work as follows:

Until interrupted from the keyboard, the script reads in the hostname of a device, its management IP address, operating system type, and CLI remote access protocol.

After being interrupted, the script displays the entered entries and adds them to the JSON-formatted file, replacing existing entries whose hostname matches.

The contents of the JSON-formatted file are as follows:

Drag and drop the statements onto the blanks within the code to complete the script. Not all options are used.

Correct answer: To work with this question, an Exam Simulator is required.

Explanation:

We tested this code successfully: And this is the result: Note:In Python, "pass" is a null statement. It is usually used as a placeholder.In order to run the code successfully, we must have the "devicesData.json" first with at least one sample.This code runs infinitely with "while True:" so we have to use Keyboard interrupt to exit (Ctrl-C in Windows, for example).

We tested this code successfully:

And this is the result:

Note:

In Python, "pass" is a null statement. It is usually used as a placeholder.
In order to run the code successfully, we must have the "devicesData.json" first with at least one sample.
This code runs infinitely with "while True:" so we have to use Keyboard interrupt to exit (Ctrl-C in Windows, for example).

When using BFD in a network design, which consideration must be made?

BFD is used with first hop routing protocols to provide subsecond convergence.
BFD is used with NSF and graceful to provide subsecond convergence.
BFD is more CPU-intensive than using reduced hold timers with routing protocols.
BFD is used with dynamic routing protocols to provide subsecond convergence.

Correct answer: D

In which two ways does the routing protocol OSPF differ from EIGRP? (Choose two)

OSPF supports only equal-cost load balancing. EIGRP supports unequal-cost load balancing
OSPF supports an unlimited number of hops. EIGRP supports a maximum of 255 hops
OSPF is distance vector protocol. EIGRP is a link-state protocol
OSPF provides shorter convergence time than EIGRP
OSPF supports unequal-cost load balancing. EIGRP supports only equal-cost load balancing

Correct answer: AB

Explanation:

EIGRP supports unequal-cost load balancing via "variance" command -> Answer A is correct while answer E is not correct.Answer C is not correct obviously.The maximum number of hops that EIGRP will accept is 100 by default, the maximum can be configured to 225 with metric maximum hops -> Answer B is correct.Reference: https://www.oreilly.com/library/view/cisco-ios-in/0596008694/re597.htmlThe network convergence time is faster than OSPF networks, because EIGRP network can learn the topology information and updates more rapidly -> Answer D is not correct.Reference: https://scialert.net/fulltext/?doi=aujcs.2014.1.8

EIGRP supports unequal-cost load balancing via "variance" command -> Answer A is correct while answer E is not correct.

Answer C is not correct obviously.

The maximum number of hops that EIGRP will accept is 100 by default, the maximum can be configured to 225 with metric maximum hops -> Answer B is correct.

Reference:

https://www.oreilly.com/library/view/cisco-ios-in/0596008694/re597.html

The network convergence time is faster than OSPF networks, because EIGRP network can learn the topology information and updates more rapidly -> Answer D is not correct.

Reference:

https://scialert.net/fulltext/?doi=aujcs.2014.1.8

A customer wants to connect a device to an autonomous Cisco AP configured as a WGB. The WGB is configured property; however, it fails to associate to a CAPWAP-enabled AP.

Which change must be applied in the advanced WLAN settings to resolve this issue?

Disable FlexConnect local switching
Enable Aironet IE
Disable AAA override
Enable passive client

Correct answer: B

Explanation:

Step 6. Ensure that the WLAN has Aironet IE enable, otherwise WGB wont be able to associate.Reference: https://www.cisco.com/c/en/us/support/docs/wireless-mobility/service-set-identifier-ssid/211293-Configure-Work-Group-Bridge-WGB-Multip.html

Step 6. Ensure that the WLAN has Aironet IE enable, otherwise WGB wont be able to associate.

Reference:

https://www.cisco.com/c/en/us/support/docs/wireless-mobility/service-set-identifier-ssid/211293-Configure-Work-Group-Bridge-WGB-Multip.html

A customer deploys a new wireless network to perform location-based services using Cisco DNA Spaces. The customer has a single WLC located on-premises in a secure data center. The security team does not want to expose the WLC to the public Internet. Which solution allows the customer to securely send RSSI updates to Cisco DNA Spaces?

Replace the WLC with a cloud-based controller
Deploy a Cisco DNA Spaces connector as a VM
Implement Cisco Mobility Services Engine
Perform tethering with Cisco DNA Center

Correct answer: B

Explanation:

Deploying the Cisco DNA Spaces: Connector OVAThis deployment is recommended when most of the devices that are managed by the Connector are on private or internal networks.Reference: https://www.cisco.com/c/en/us/td/docs/wireless/cisco-dna-spaces/connector/config/b_connector/m_ova.htmlNote:Cisco DNA Spaces: Detect and Locate maintains a device eviction time of 10 minutes. As long as you receive updates (RSSI, AOA, Info, Stats) from the controller, the device is kept active and is displayed on the dashboard. If updates (RSSI, AOA, Info, Stats) are not received for a particular device within this eviction time, the device is removed from the system.

Deploying the Cisco DNA Spaces: Connector OVA

This deployment is recommended when most of the devices that are managed by the Connector are on private or internal networks.

Reference:

https://www.cisco.com/c/en/us/td/docs/wireless/cisco-dna-spaces/connector/config/b_connector/m_ova.html

Note:

Cisco DNA Spaces: Detect and Locate maintains a device eviction time of 10 minutes. As long as you receive updates (RSSI, AOA, Info, Stats) from the controller, the device is kept active and is displayed on the dashboard. If updates (RSSI, AOA, Info, Stats) are not received for a particular device within this eviction time, the device is removed from the system.

Drag and drop the characteristics from the left onto the switching architectures on the right.

Correct answer: To work with this question, an Exam Simulator is required.

Explanation:

Process switching, also referred to as software switching or slow path, is the switching mechanism in which the general-purpose CPU on a router is in charge of packet switching.Reference: https://www.ciscopress.com/articles/article.asp?p=2272154&seqNum=2

Process switching, also referred to as software switching or slow path, is the switching mechanism in which the general-purpose CPU on a router is in charge of packet switching.

Reference:

https://www.ciscopress.com/articles/article.asp?p=2272154&seqNum=2

By default, which virtual MAC address does HSRP group 32 use?

05:5e:5c:ac:0c:32
00:00:0c:07:ac:20
00:5e:0c:07:ac:20
04:19:20:96:7e:32

Correct answer: B

Drag and drop the characteristics from the left onto the orchestration tools that they describe on the right.

Correct answer: To work with this question, an Exam Simulator is required.

Vendor:	Cisco
Exam Code:	350-401
Exam Name:	Implementing Cisco Enterprise Network Core Technologies (350-401 ENCOR)
Date:	Jun 03, 2023
File Size:	41 MB
Downloads:	126

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