Cisco 400-201 Online Practice Questions and Exam Preparation

Cisco 400-201 Online Questions & Answers

• Question 121:

  A service provider NOC engineer received numerous support tickets from their VPN customer. This customer are reporting packet loss between two PE routers. The NOC engineer created a VRF TEMP to run test between these two PE router and no error were reported. ECMP links are used between P and PE routers. which test can quickly identify the core link that is causing the problem.

  A. an MPLS traceroute with multipath option between the PE`s loopback
  B. an extended traceroute with multipath option between PE`s loopback
  C. a VRF traceroute between customers1s CE router and service provider remote PE router
  D. a VRF ping between customer`s CE router and service provider remote PE router
  E. an extended ping with sweep option between the PE`s Loopbacks
  F. an MPLS ping with sweep option between the PE`s Loopbacks
  A. an MPLS traceroute with multipath option between the PE`s loopback

• Question 122:

  Refer to the exhibit. It displays the Router_3 FIB information without any OSPF LSDB optimization. Considering the following restrictions:

  

  Router_3 maintains full connectivity Router_2 requires the least configuration Which Cisco IOS command must the engineer use on Route_2 to achieve the OSPF LSDB optimization on Router_3?

  A. area 1 nssa default-information-originate
  B. area 1nssa no-summary area 1 nssa no-redistribution
  C. area 1 nssa no-redistribution area 1 nssa default-information-originate
  D. area 1 nssa no-summary
  E. area 1 nssa no-redistribution
  F. area 1 nssa no-summary area 1 nssa default-information-originate
  A. area 1 nssa default-information-originate

• Question 123:

  A service provider is using Cisco ME 3400 Series Ethernet Access Switches on the access edge of Metro Ethernet POP. A customer has a requirement to connect a switch to the network and requires the ability to trunk VLANs on the uplink port into the provider network. Which port type should the engineer configure on the switch to meet the requirement while maintaining a secure success edge implementation?

  A. UNI
  B. ENI
  C. NNI
  D. Access
  B. ENI

• Question 124:

  

  Refer to the exhibit. Which statement is true about what this AS filter accomplishes?

  A. It filters incoming BGP update with any AS number starting with the digit 5 and ending with the digit 5,and this only in an AS_PATH.
  B. It filters incoming BGP update with any AS number matching "5.5",but not 515,525.535 etc this only in an AS_SET
  C. It filters incoming BGP update with any AS number starting with the digit 5 and ending with the digit 5 and this only in an AS_SET
  D. It allows any number with the statement ".*"and this only in an AS_PATH.
  B. It filters incoming BGP update with any AS number matching "5.5",but not 515,525.535 etc this only in an AS_SET

• Question 125:

  

  Refer to the exhibit. OSPF is the routing protocol between the PE-CE link in a multihomed topology. OSPF is needed to achieve rapid convergence in case of a link failure. Which option is the waiting time between reception of the same LSA from an OSPF neighbor?

  A. 50 msecs
  B. 2 seconds
  C. 6 seconds
  D. 4000 seconds
  E. 75 msecs
  B. 2 seconds

• Question 126:

  The traffic level on a 10 GigabitEthernet core link has passed the threshold of capacity management and needs to be upgraded to a 2x10 GigabitEthernet LAG bundle. A new 10 GigabitEthernet link is being added, and the new link has been tested free of errors. The upgrade should be executed in a change maintenance window with minimum impact. Drag and drop each step from the left onto the proper order for the upgrade migration on the right.

  Select and Place:

  

  

• Question 127:

  Which two factors are significant drivers for 5G in IoT networks? (Choose two.)

  A. Programmability
  B. Energy Efficiency
  C. Mass Connectivity
  D. Higher data rates
  E. Lower Latency
  D. Higher data rates
  E. Lower Latency

• Question 128:

  Refer to the exhibit.

  

  An inter-AS VPN between ISP-A and ISP-B is being deployed to support end-to-end connectivity for CE-1 and CE-2. For scalability reasons, the ASBR routers cannot exchange VPN routes for CE-1 and CE-2.

  Which two configurations are needed to support this requirement? (Choose two.)

  A. one VRF on the ASBRs for each CE
  B. send-labels on the ASBRs
  C. address-family VPNv4 on the ASBRs
  D. ebgp-multihop between the PEs
  E. ebgp-multihop between the ASBRs
  B. send-labels on the ASBRs
  D. ebgp-multihop between the PEs

• Question 129:

  Which two PDU fields can a service provider use to mark the Layer 3 VPN traffic without interfering with the customer marking? (Choose two.)

  A. MPLS EXP bits
  B. discard-class
  C. DSCP
  D. DS-TE
  E. 802.1p
  A. MPLS EXP bits
  D. DS-TE

• Question 130:

  

  Refer to the exhibit. Which statement is correct?

  A. If the labeled packet arrives with the bottom label of 27, the label is replaced with label 38 and the packet is sent out on the Gigabitethernet 0/0
  B. If the labeled packet arrives with the bottom label of 27, all of the labels are replaced with label 38 and the packet is sent out on the Gigabitethernet 0/0 interface
  C. If the labeled packet arrives with the topmost label of 27,the label is replaced with the label 38 and the packet is sent out on the Gigabitethernet 0/0 interface
  D. If the labeled packet arrives with the topmost label of 27, all of the labels are replaced with label 38 and the packet is sent out on the Gigabitethernet 0/0 interface.
  E. If the labeled packet arrives with the topmost label of 38,the label is replaced with label 27 and the packet is sent out on the GigabitEthernet 0/0 interface
  F. If the labeled packet arrives with the topmost label of 38, all labels are replaced with the label 27 and the packet is sent out on the GogabitEthernet 0/0/ interface.
  E. If the labeled packet arrives with the topmost label of 38,the label is replaced with label 27 and the packet is sent out on the GigabitEthernet 0/0 interface