Cisco 400-151 Free Practice Questions

NEW QUESTION 1
Which three options can be used to add a device as a member to a zone? (Choose three)

• A. IP address
• B. LUN ID
• C. device alias
• D. Fibre Channel ID
• E. VLAN ID
• F. fully qualified domain name

Answer: BCD

NEW QUESTION 2
Which two statements about policing, queuing,and scheduling ate true? (Choose two)

• A. You can schedule traffic by imposing a maximum data rate on a class of traffic so that excess packets are dropped from the queue
• B. You can apply WRED to a class of traffic, which allows packets to be dropped based on the CoS field.
• C. The WRED algorithm is a reactive approach that only applies to traffic confestion
• D. Policing is the monitoring of data rates for a particular class of traffic, The device can also monitor associated burst sizes
• E. Only single rate and dual rate policers can be defined.

Answer: BD

NEW QUESTION 3
Which two guidelines and limitations of policy-based routing are true? (Choose two.)

• A. A match command can refer to more than one ACL in a route map used for policy-basedroyting.
• B. An ACL used in a policy-based routing route map cannot include a deny statement.
• C. The same route can be shared among different interfaces for policy-based routing as long asthe interfaces belong to the same VRF instance
• D. A policy-based routing route map can have multiple match or set statements per route- mapstatement
• E. Policy-based routing and WCCPv2 are not supported on the same interface if bank chaining isdisabled

Answer: BC

NEW QUESTION 4
Refer to the exhibit.

Which three steps must be taken to add NFS storage to the Cisco UCS domain? (Choose three)

• A. Create an appliance VLAN on fabric A and fabric B
• B. Configure fabric A and B to Ethernet switching mode
• C. Configure Eth1/17 as an appliance port
• D. Configure a QoS policy for NFS storage
• E. Configure Eth1/17 as a unified storage port
• F. Create a VLAN on fabric A and Fabric B

Answer: ABC

NEW QUESTION 5
Which description of a hybrid SDN framework is true?

• A. The control plane function is split between a SDN controller and the networking element
• B. The control plane and data plane are pulled from the networking element and put in an SDN controller and SDN agent
• C. The data plane is pulled from the networking element and put in an SDN controller
• D. The control plane is pulled from networking element and put in an SDN controller

Answer: A

NEW QUESTION 6
Which two statements about CFS are true? (Choose two)

• A. CFS distributes the local NTP configuration to the master only, which then forwards it to all devices in the network
• B. You must manually distribute NTP authentication keys on the NTP server and Cisco NX-OS devices across the network
• C. If CFS is used to distribute NTP, all devices in the network must have different VRFs configured than the ones used for NTP
• D. CFS requires a license to be installed before it can be used to distribute NTP
• E. After enabling CFS, a network-wide lock is applied to NTP whenever an NTP configuration is started and released once after the change has been committed

Answer: BE

Explanation:
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5500/sw/system_management/ 6x/b_5500_System_Mgmt_Config_6x/b_5500_System_Mgmt_Config_6x_chapter_010010.html

NEW QUESTION 7
DRAG DROP
Drag and drop the fault from the left onto its correct description on the right.

Answer:

Explanation: Informational -- a basic notification or informational message
Minor -- a non service-effecting fault condition that requires corrective action to prevent a more serious fault from occuring
Major -- a service-effecting condition that requires urgent corrective action
Critical -- a service-effecting condition that requires immediate corrective action
Warning --a potential or impending service-effecting fault that currently has no significance effects in the system

NEW QUESTION 8
Which two statements about IP Source Guard are true? (Choose two)

• A. IP Source Guard is independent of DHCP snooping to build and maintain the IP-MAC address binding table
• B. IP Source Guard requires that DHCP snooping is disabled
• C. IP Source Guard limits IP traffic on an interface to only those sources that have an IP-MAC address table entry or static IP source entry
• D. By default, IP Source Guard is enabled on all interfaces
• E. When you first enable IP Source Guard on an interface, you may experience disruption in IP traffic until the hosts on the interface receive a new IP address from a DHCP server

Answer: CE

NEW QUESTION 9
Which two options are different ways to extend the Layer 2 domain beyond the ACI fabric? (Choose two)

• A. Extend the EPG out of the ACI fabric
• B. Use Private Networks to extend the Layer 2 domain
• C. Configure fabric access polices on the ACI fabric to match the port settings at the remote end
• D. Extend the bridge domain out of the ACI fabric
• E. Extend the VTEP out of the ACI fabric

Answer: AD

NEW QUESTION 10
Which two statements about configuring the Intermediate System-to-Intermediate System domain policy on an ACI Fabric are true? (Choose two)

• A. The IS-IS LSP generation initial wait, maximum wait, and second wait intervals can all be configured
• B. The IS-IS fast-flooding of link state packets improves IS-IS convergence time
• C. The IS-IS default MTU is set at 4352, and it cannot be changed
• D. The IS-IS domain policy is configured under Fabric > Global Policies
• E. The IS-IS domain policy is configured under Fabric > Access Policies
• F. Cisco Nexus stitches do not have a concept of DR due to vPC
• G. PIM exchanges unicast hello messages between all routers advertised by the anycast RP
• H. PIM hello messages are sent to 224.0.0.13 and the router with the highest priority is selected as the DR
• I. PIM hello messages are sent to 224.0.0.13 and the router with the lowest priority is selected as the DR

Answer: AB

NEW QUESTION 11
Which three statements are true about redistribution of routes from L3Outs in an ACI Fabric?
(Choose 3)

• A. Routes are not redistributed to leaf switches where the same VRF is present
• B. ACI fabric runs MP-BGP
• C. Security import subnets control the forwarding of packets into and out of L3Out connections(data plane)
• D. Routes learned from L3Outs on border leaf switches are not redistributed into MP-BGP at the ingress lead.
• E. Route control subnets control the exchange of routing information (Prefixes) into and out of the fabric (control place)
• F. The routes are advertised to all external Layer 3 Outside connections

Answer: BCE

NEW QUESTION 12
When you deploy a Layer 4 – Layer 7 service graph in ACI using policy-based redirect, when does the PDR functionality get enabled?

• A. when you enable PBR under the consumer EPG Layer 4 –Layer 7 parameters
• B. when you enable PBR under the provider EPG Layer 4 –Layer 7 parameters
• C. when you create the service graph template
• D. when you add the Layer 4 – Layer 7 device to the APIC
• E. when you deploy the service graph template

Answer: A

NEW QUESTION 13
Which feature is required for Dynamic ARP Inspection?

• A. DIA
• B. First-hop-security
• C. DHCP
• D. ARP

Answer: C

NEW QUESTION 14
Which three editing optional of Cisco UCS Director workflow are valid? (Choose three)

• A. Rename a workflow
• B. Reorder inputs
• C. Change an input from mandatory to optional
• D. change priority of a workflow
• E. Edit tasks in the workflow
• F. Delete inputs

Answer: ABF

NEW QUESTION 15
How many revisions of log files is kept by Cisco Cloud Center?

• A. 25
• B. 5
• C. 20
• D. 10

Answer: D

NEW QUESTION 16
Which two statements about VLAN Trunking Protocol are true? (Choose 2)

• A. VIAN Trunking Protocol is a Layer 2 messaging protocol that maintains VLAN consistency by managing the addition, deletion, and renaming of VLANs within a VLAN Trunking Protocol domain.
• B. On Cisco Nexus switches, VLAN Trunking Protocol is enabled by default.
• C. Layer 2 trunk interfaces, Layer 2 port channels, and virtual port channels support VLAN Trunking Protocol functionality.
• D. VLAN Trunking Protocol is only supported on Layer 2 trunk interfaces.
• E. VLAN Trunking Protocol is a Layer 2 messaging protocol that maintains the interface VLAN configuring within a VLAN Trunking Protocol domain.

Answer: AC

NEW QUESTION 17
Which three virtual services are supported by Cisco Nexus 1000v Series Switch using the vPath? (Choose three)

• A. Cisco Virtual Security Gateway
• B. Cisco UCS telemetry features
• C. Cisco IMC serial over LAN
• D. virtual APIC appliance
• E. Cisco ASA for 1000v
• F. Cisco Wide Area Network Application Services

Answer: AEF

Explanation: https://www.cisco.com/en/US/docs/switches/datacenter/vsg/sw/4_2_1_VSG_1_4_1/vpath_vservices/reference/guide/vpath_vservices_overview.html

NEW QUESTION 18
Which statement about TAP and TUN devices, which are used in a Linux/KVM cloud deployment model, is true?

• A. TUN is for handling Ethernet frames, but TAP is for handling IP packets
• B. TUN is for tunneling IP packets, but TAP is for tapping IP packets.
• C. TUN is for tunneling Ethernet frames, but TAP is for tapping Ethernet frames.
• D. TUN is for handling IP packets, but TAP is for handling Ethernet frames.

Answer: D

Explanation: https://www.fir3net.com/Networking/Terms-and-Concepts/virtual-networking-devices-tun-tap-and-veth-pairs-explained.html

NEW QUESTION 19
Which goal of peer-gateway in vPC is true?

• A. Transmit BPDUs from the secondary and primary vPC switch.
• B. Act as a single router when peering dynamic routing protocols over a vPC.
• C. Use the same bridge ID when sending BPDUs from switches in a vPC pair.
• D. Configure the MAC address of the vPC peer as a gateway MAC.

Answer: D

NEW QUESTION 20
Which language is used to write Cloupia Script?

• A. Python
• B. Java
• C. JavaScript
• D. Cisco UCS Director Macro Language

Answer: C