Cisco 400-151 Online Practice Questions and Exam Preparation

Cisco 400-151 Online Questions & Answers

• Question 41:

  Which statement about IP-directed broadcast is true?

  A. When a directed broadcast packet reaches a switch that is directly connected to its destination subnet, that packet is "exploded" as a broadcast on the destination subnet.
  B. An IP-directed broadcast is a packet whose destination address is a multicast group to send the packet to a group of hosts in a local or remote network.
  C. An IP-directed broadcast is an IP packet whose destination address is a valid unicast address, but which originates from a node that is itself part of that destination subnet.
  D. All switches in the network forward an IP-directed broadcast in the same way they forward unicast IP packets.
  A. When a directed broadcast packet reaches a switch that is directly connected to its destination subnet, that packet is "exploded" as a broadcast on the destination subnet.

• Question 42:

  Which way to configure a redundant rendezvous point for BIDIR multicast are valid?

  A. phantom RP
  B. Anycast RP
  C. auto RP
  D. MSDP
  B. Anycast RP

• Question 43:

  Refer to the exhibit.

  

  Which two reasons for the interface port-channel 1 to be in suspended state are true. (Choose two.)

  A. Interface Eth1/8 is configured with "lacp rate fast".
  B. Interface port-channel 1 is configured with "lacp suspend-individual".
  C. Interface port-channel 1 is configured with "lacp min-links 2".
  D. No LACPDUs are received on interface Eth1/8.
  E. Interface Eth1/7 is administratively down.
  B. Interface port-channel 1 is configured with "lacp suspend-individual".
  D. No LACPDUs are received on interface Eth1/8.

• Question 44:

  

  Refer to the exhibit. Assuming no traffic engineering has been configured, what is the link speed of port channel 200?

  A. 4 Gbps
  B. 1 Gbps
  C. 8 Gbps
  D. 6 Gbps
  C. 8 Gbps

• Question 45:

  Which two statements about ACL border leaf are true? (Choose two.)

  A. The border leaf can also be used to connect to compute, IP storage, and service appliances.
  B. There can only be 2 border leaves in an ACI fabric. The first two leaves that are discovered in an ACI fabric are always selected as border leaves.
  C. Only 32 border leaves are supported in an ACI fabric.
  D. The border leaves are ACI leaves that provide Layer 3 connections to outside networks.
  E. The border leaves are dedicated leaf switches that support only Layer 2 and Layer 3 out in an ACI fabric.
  A. The border leaf can also be used to connect to compute, IP storage, and service appliances.
  D. The border leaves are ACI leaves that provide Layer 3 connections to outside networks.

• Question 46:

  Which two security features are supported by NX-API (Choose two.)

  A. NX-API support certificate-based authentication.
  B. Users must have appropriate accounts to access the device through NX-API.
  C. All communication to the device is encrypted when you use HTTPS.
  D. All communication to the device is encrypted when you use VPN.
  B. Users must have appropriate accounts to access the device through NX-API.
  C. All communication to the device is encrypted when you use HTTPS.

• Question 47:

  How is the virtual IP for an ACI VPC domain assigned?

  A. by DHCP using the default management network
  B. manually by the admin
  C. by DHCP using the infrastructure VLAN
  D. No virtual IP is available for VPC peers on ACI
  C. by DHCP using the infrastructure VLAN

• Question 48:

  Refer to the exhibit.

  

  An admin has created a new EPG in an ACI fabric. The admin then specified static path binding as shown in exhibit. After submitting this policy configuration, the admin noticed that this newly created EPG had the fault shown in the exhibit. Which option is the likely explanation of this fault?

  A. The admin incorrectly configured this static path as a "trunk" when it should have been configured as an access (untagged) port.
  B. The encap VLAN configured is not within the allowed range of VLANs as specified by the associated domain.
  C. There is not enough information to determine the cause of the problem.
  D. There is no fault. The fault is currently in the soaking state and the fault will automatically clear and everything will work as expected.
  E. The admin incorrectly configured this static path to have a deployment immediately as"Immediate" when it should have been configured as "on-demand".
  B. The encap VLAN configured is not within the allowed range of VLANs as specified by the associated domain.

• Question 49:

  Which option must be configured before IP Source Guard is used successfully in your network environment?

  A. DHCP snooping
  B. Dot1x
  C. Dynamic ARP Inspection
  D. port security
  A. DHCP snooping

• Question 50:

  Which two methods can be used to dynamically assign IP addresses to customers’ virtual workload hosted in a cloud service provider with multiple customers? (Choose two.)

  A. Create a script to automatically instantiate a VM running DHCP server for each customer.
  B. In the APIC CLI, type: apic(config-tenant)bridge-domain customer1apic(config-tenant)ip helper-address 10.10.10.1
  C. Install primary and secondary DHCP servers with multiple scope for each of the customer.
  D. Enable flooding in each of the customer's bridge domain to access DHCP server.
  E. Configure DHCP relay policy and assign DHCP relay policy to each on the customer's bridge domain.
  C. Install primary and secondary DHCP servers with multiple scope for each of the customer.
  E. Configure DHCP relay policy and assign DHCP relay policy to each on the customer's bridge domain.