Cisco 400-201 Online Practice Questions and Exam Preparation

Cisco 400-201 Online Questions & Answers

• Question 421:

  

  Refer to the exhibit. The prefix 10.1.1.64/28 should be advertised to the PE router, yet the prefix is not being received by the PE. Which configuration should be applied on CE in order to fix this issue?

  A. ip prefix-list ROUTES_TO_SP seq 1 permit 10.1.1.64/28
  B. router bgp 65000 no network 10.1.1.64 mask 255.255.255.240 network 10.1.1.128 mask 255.255.255.128
  C. ip prefix-list ROUTES_TO_SP permit 10.1.1.64/28
  D. router bgp 65000 no network 10.1.1.64 mask 255.255.255.240 network 10.1.1.0 mask 255.255.255.0
  A. ip prefix-list ROUTES_TO_SP seq 1 permit 10.1.1.64/28

• Question 422:

  What is the recommended codepoint as per the RFC 2598 "An Expedited Forwarding PHB" for a packet to receive expedited forwarding PHB?

  A. 101111
  B. 101110
  C. 111111
  D. 110111
  E. 101101
  F. 110110
  B. 101110

• Question 423:

  Which statement about multicast VPN is true?

  A. The MDT group address should be the same for both address families in the same VRF.
  B. The MDT group address should be the same for both address families in the different VRFs.
  C. Configuration of the MDT source on a pre-VRF basis is supported only on IPv6.
  D. The MDT group address should be different for both address families in the same VRF.
  A. The MDT group address should be the same for both address families in the same VRF.

• Question 424:

  In a service provider SDN environment, which two steps take place in the BGP Link State Architecture? (Choose two)

  A. IGP is redistributed into BGP-LS
  B. Advertise the BGP-LS NLRIs to the topology server
  C. IGP uses BGP LS data from remote peers
  D. Enable access to the Adj-RIB-In (BGP raw format )of a peer border router or provider edge router
  E. BGP downloads the received BGP LS data to the IGP component on the router
  A. IGP is redistributed into BGP-LS
  B. Advertise the BGP-LS NLRIs to the topology server

• Question 425:

  In IEEE 802.1ad deployments, which three represent valid port modes? (Choose three)

  A. UNI C-port
  B. NNI untagged
  C. NNI S-port
  D. UNI untagged
  E. NNI C-port
  F. NNI
  G. UNI S-port
  H. UNI T-port
  A. UNI C-port
  F. NNI
  G. UNI S-port

• Question 426:

  An engineer is deploying SShv2-only in-band access. Which three options reflect the minimum configuration to enable the SSHv2 services on Cisco routers? (Choose three)

  A. Define a domain name for the device
  B. Create crypto keys by using the crypto key generate dsa command
  C. Configure a key modules in the global configuration
  D. Add router hostname on DNS services
  E. Define a hostname for the device
  F. Create an access list that defines authorized hosts for SSH
  A. Define a domain name for the device
  B. Create crypto keys by using the crypto key generate dsa command
  E. Define a hostname for the device

• Question 427:

  Which statement about the OSPF incremental SPF feature is true?

  A. If type 1 or type 2 LSA changes occur in the calculating router itself, the full SPF is performed even when OSPF incremental SPF is enabled.
  B. Routers with incremental SPF enabled and routers with incremental SPF not enabled cannot function in the same domain.
  C. If the OSPF incremental SPF feature is enabled, the entire SPT must be recomputed even when the tree remains unchanged inside of the OSPF area.
  D. The OSPF incremental SPF features allows for the system to recompute only the affected part of the tree when type 3 or type 5 LSA changes occur.
  A. If type 1 or type 2 LSA changes occur in the calculating router itself, the full SPF is performed even when OSPF incremental SPF is enabled.

• Question 428:

  Which three are advantages of SONET? (Choose three)

  A. Allows the transportation of all forms of traffic
  B. Multiplexing is easy
  C. Clocks do not need to be synchronized
  D. Reduces network complexity and cost
  E. Padding is not necessary and not permitted
  A. Allows the transportation of all forms of traffic
  B. Multiplexing is easy
  D. Reduces network complexity and cost

• Question 429:

  Which two statements about VPNv4 address are true? (Choose two.)

  A. The VPNv4 address is 128 bits long with a 128-bit long subnet mask
  B. The VPNv4 address consists of an RD and an IPv4 address.
  C. The VPNv4 address is 96 bits long with a 64-bit long subnet mask.
  D. The VPNv4 address is 128 bits long with a 64-bit long subnet mask.
  E. The VPNv4 address consists of an RT and an IPv4 address.
  F. The VPNv4 address is 96 bits long with a 32-bit long subnet mask
  B. The VPNv4 address consists of an RD and an IPv4 address.
  F. The VPNv4 address is 96 bits long with a 32-bit long subnet mask

• Question 430:

  What are the default values for GRE tunnel keepalive time and number of retries?

  A. 5 seconds and 3 retries
  B. 10 seconds and 5 retries
  C. 10 seconds and 3 retries
  D. 20 seconds and 5 retries
  E. 5 seconds and 5 retries
  C. 10 seconds and 3 retries