Cisco 400-201 Online Practice Questions and Exam Preparation

Cisco 400-201 Online Questions & Answers

• Question 351:

  

  Refer to the exhibit what is the status of the L2 tunnel between PE1,PE2 and the layer 2 switches ?

  A. The layer 2 tunnel is down due to the ACL is applied on the PE2 interface
  B. The layer 2 tunnel is up and SW1 become the root bridge for VLAN 10
  C. The layer 2 tunnel is down due to the MTU mismatch between SW1 and SW2
  D. The layer 2 tunnel is up but no BPDUs are exchange unless an extra configuration is applied
  B. The layer 2 tunnel is up and SW1 become the root bridge for VLAN 10

• Question 352:

  You applied this ACL to the interface and several people reported that they were unable to access the network.

  ipv6 access-list webOnly permit tcp any 2001:DB8::/32 permit udp any 2001:DB8::/32 deny ipv6 any any Which answer explains why they were unable to access the network?

  A. The connections are stale. The users must close and restart their applications.
  B. DNS queries and replies are not working.
  C. The ACL is blocking the operation of the ND process.
  D. DHCP requests are not reaching to the DHCP server.
  C. The ACL is blocking the operation of the ND process.

• Question 353:

  What are three common reasons for ATM CRC errors? (Choose three.)

  A. Incorrect VPI and VCI configuration
  B. Noise, gain hits, or other transmission problems on the data link equipment
  C. ATM cells are dropped due to incorrect ATM routing in the service provider.
  D. A faulty or failing ATM interface.
  E. Cells are dropped due to traffic policing in the ATM cloud on one or more virtual circuits attached to the ATM interface.
  B. Noise, gain hits, or other transmission problems on the data link equipment
  D. A faulty or failing ATM interface.
  E. Cells are dropped due to traffic policing in the ATM cloud on one or more virtual circuits attached to the ATM interface.

• Question 354:

  In a Service provider network , a NOC engineer identifies and interface that flaps continuously. This interface connects to an EBGP peer. Which feature can reduce this instability on the service provider network?

  A. BGP PIC
  B. IP event Dampening
  C. IGP Prefix Prioritization
  D. Non-stop Forwarding
  B. IP event Dampening

• Question 355:

  DSCP value "101110" looks like which IP Precedence value to non-DiffServ compliant devices?

  A. IP Precedence 6
  B. IP Precedence 4
  C. IP Precedence 3
  D. IP Precedence 5
  E. IP Precedence 2
  F. IP Precedence 7
  D. IP Precedence 5

• Question 356:

  In Cisco IOS XR Software Multicast Routing Implementation, which three features are supported in IPv6 on Cisco CSR routers? (Choose three.)

  A. Multicast NSF
  B. PIM-SSM
  C. OOR handling
  D. Aggregation multicast
  E. Integrated multicast
  F. PIM-Bidirectional
  A. Multicast NSF
  B. PIM-SSM
  F. PIM-Bidirectional

• Question 357:

  

  Refer to the exhibit. Service provider A is preparing to exchange routes with service provider B and content provider C via IXP. Which BGP community prevents the service provider A from becoming a transit provider between the service provider B and the content provider C?

  A. No-advertise when it is applied on routes that are received from the service provider B and the content provider C
  B. No-advertise when it is applied on routes that are advertised to the service provider B and the content provider C
  C. No-export when it is applied on routes that are advertised to the service provider B and the content provider C
  D. Local-AS when it is applied on routes that are advertised to the service provider B and the content provider C
  E. No-export when it is applied on routes that are received from the service provider B and the content provider C
  F. Local-AS when it is applied on routes that are received from service provider B and the content provider C
  F. Local-AS when it is applied on routes that are received from service provider B and the content provider C

• Question 358:

  Which two characteristics of the MPLS-TP technology are true? (Choose two.)

  A. dynamic control plane
  B. connectionless packet switching model
  C. out-of-band OAM
  D. point-to-multipoint unidirectional LSP
  E. 1:1, 1+1, and 1:N protection options
  D. point-to-multipoint unidirectional LSP
  E. 1:1, 1+1, and 1:N protection options

• Question 359:

  An operations engineer identifies a device is receiving a section loss signal alarm for a SONET link. Which action does the engineer perform?

  A. Verify that the framing format on the port matches the format configured on the line
  B. Verify that the alarm exists on the remote site
  C. Verify that the light level for the POS interface is within acceptable limits
  D. Verify the line status at the remote end of the link
  C. Verify that the light level for the POS interface is within acceptable limits

• Question 360:

  Two routers that are running MPLS and LDP have multiple links that than connect them to each other. An engineer wants to ensure that the label bindings are not flushed from the LIB if one of the links fails. Which configuration meets this requirement?

  A. the mpls ldp neighbor targeted command
  B. the mpls ip command on a Cisco MPLS TE tunnel
  C. the mpls ldp autoconfig command
  D. the mpls ldp session protection command
  D. the mpls ldp session protection command