Cisco 400-101 Online Practice Questions and Exam Preparation

Cisco 400-101 Online Questions & Answers

• Question 171:

  Which two statements about HDLC operations in asynchronous balanced mode are true? (Choose two.)

  A. Either device can send frames at any time.
  B. Each device must negotiate with its neighbor before sending frames.
  C. Each device must negotiate with its neighbor to recover from framing errors.
  D. Either device can initiate transmission of frames.
  E. The initiating device sends a DTE frame.
  A. Either device can send frames at any time.
  D. Either device can initiate transmission of frames.

• Question 172:

  Which two statements about migrating a network from PVST+ to MST are true? (Choose two.)

  A. Root Guard and BPDU Guard will be unaffected by the migration.
  B. Switches migrated to MST will continue to interoperate with unmigrated switches.
  C. Loop Guard and BPDU Filter are disabled automatically during the migration.
  D. While the migration is underway, unmigrated switches treat the migrated switches in the MST region as individual switches.
  E. Before migrating to MST, all PVST+ switches must first be migrated to Rapid-PVST+.
  B. Switches migrated to MST will continue to interoperate with unmigrated switches.
  D. While the migration is underway, unmigrated switches treat the migrated switches in the MST region as individual switches.

• Question 173:

  Which three fields are present in the IPv6 header? (Choose three.)

  A. Time to Live
  B. Traffic Class
  C. Flow Label
  D. Flags
  E. Next Header
  F. Options
  B. Traffic Class
  C. Flow Label
  E. Next Header

• Question 174:

  One your clients which is in the manufacturer area is after a solution in order to manage all his fog nodes. Which management tool best suits his needs?

  A. Cisco Prime Infrastructure
  B. Cisco Connected Grid Network Management System
  C. Cisco Fog Director
  D. Cisco Network Control System
  A. Cisco Prime Infrastructure

• Question 175:

  Which two statements about private VLAN communications are true? (Choose two)

  A. Primary VLAN traffic is passed across trunk interfaces.
  B. Isolated ports communicate with other isolated ports.
  C. Promiscuous ports communicate with all other ports.
  D. Promiscuous ports connect only to routers.
  A. Primary VLAN traffic is passed across trunk interfaces.
  C. Promiscuous ports communicate with all other ports.

• Question 176:

  

  Refer to the exhibit. Your network uses an MPLS VPN backbone with OSPF routing between all PE and CE routers and on the 10Mb backup links between the CE routers. You notice that data between CE1 and CE3 is flowing over the backup links instead of the higher-bandwidth MPLS VPN backbone even when the backbone is up. What is the most likely explanation for this behavior?

  A. The MPLS VPN backbone is using external BGP instead of OSPF.
  B. The devices are preferentially using lower-cost routing.
  C. The devices are preferentially using inter-area routing.
  D. The network is using sham links on the MPLS VPN backbone
  E. The devices are preferentially using inter-area routing.
  E. The devices are preferentially using inter-area routing.

• Question 177:

  Refer to the exhibit.

  

  You are configuring the S1 switch for the switchport connecting to the client computer. What is the effect of the command mls qos map cos-dscp 0 8 16 24 32 40 46 56?

  A. Voice packets are processed in the priority queue.
  B. Video conferencing is marked CS3.
  C. Voice packets are given a class selector of 5.
  D. Voice traffic is excluded from the default priority queue.
  D. Voice traffic is excluded from the default priority queue.

• Question 178:

  Which two statements about SPAN and RSPAN are true? (Choose two.)

  A. Only RSPAN sends minitored traffic to a dedicated VLAN.
  B. Only RSPAN is limited to monitoring VLANs.
  C. Only SPAN is limited to minitoring switch ports.
  D. Only RSPAN can monitor extended VLANs.
  E. Only SPAN sends monitored traffic to a local physical port.
  D. Only RSPAN can monitor extended VLANs.
  E. Only SPAN sends monitored traffic to a local physical port.

• Question 179:

  What can PfR passive monitoring mode measure for UDP flows?

  A. reachability
  B. delay
  C. loss
  D. throughput
  D. throughput

• Question 180:

  Which neighbor-discovery message type is used to verify connectivity to a neighbor when the link-layer address of the neighbor is known?

  A. neighbor solicitation
  B. neighbor advertisement
  C. router advertisement
  D. router solicitation
  A. neighbor solicitation