Cisco 400-101 Online Practice Questions and Exam Preparation

Cisco 400-101 Online Questions & Answers

• Question 1:

  Which two methods are used to configure an RP in a PIM-SM network? (Choose Two)

  A. Auto-RP
  B. anycast
  C. SSM
  D. PIM-DM
  E. BSR
  A. Auto-RP
  E. BSR

• Question 2:

  Which two statements about IGPs are true? (Choose two)

  A. RIPv2 and OSPF are distance vector protocols
  B. OSPF and EIGRP have high resource usage
  C. IS-IS and EIGRP are link-state protocols
  D. OSPF and IS-IS are classless protocols
  E. RIPv2 and EIGRP support VLSM
  F. RIPv2 and IS-IS claculate the metric of a link based on the bandwidth of a link
  D. OSPF and IS-IS are classless protocols
  E. RIPv2 and EIGRP support VLSM

• Question 3:

  Which IS-IS metric style is most suitable for MPLS traffic engineering?

  A. transition
  B. wide
  C. narrow
  D. flat
  B. wide

• Question 4:

  How does a router in an MPLS environment handle a packet whose label stack has a depth of 0?

  A. it queues the packet for later transmission
  B. it uses IP routing to forward the packet
  C. it applies a label of 0 to the packet and forwards it out all layer 3 interfaces
  D. it discards the packet
  B. it uses IP routing to forward the packet

• Question 5:

  Refer to the exhibit. What is the minimum size of a packet that can be sent successfully from R3 to 10.1.2.1 without enabling fragmentation?

  

  A. 1521 bytes
  B. 1501 bytes
  C. 1479 bytes
  D. 1500 bytes
  E. 1480 bytes
  F. 1490 bytes
  F. 1490 bytes

• Question 6:

  Which configuration command identifies a dynamic IPsec VTI?

  A. crypto isakamp profile-name
  B. tunnel protection ipsec profile profile-name
  C. interface virtual-template number
  D. tunnel mode ipsec ipv4
  C. interface virtual-template number

• Question 7:

  Refer to the exhibit.

  

  Which meaning of the asterisk (*) in the LSP Seq Num column of this show isis database output is true?

  A. The LSP originated on a router that is capable of wide metrics.
  B. The LSP originated on the router where the command is being executed.
  C. The LSP originated on a Layer 1 - Layer 2 type router.
  D. The LSP originated on a router with an invalid hold time.
  B. The LSP originated on the router where the command is being executed.

• Question 8:

  Which function does PHP perform?

  A. popping the top label one hop before the egress LSR
  B. popping the top label at the egress LSR
  C. popping the bottom label at the egress LSR
  D. popping the two topmost labels one hop before the egress LSR
  E. popping the two bottommost labels one hop before the egress LSR
  F. popping the bottom label one hop before the egress LSR
  A. popping the top label one hop before the egress LSR

• Question 9:

  What is a potential effect of combining TCP traffic and UDP traffic in a single traffic queue?

  A. UDP traffic can start dominating over TCP traffic.
  B. This configuration will be rejected as invalid.
  C. TCP and UDP flows would be scheduled fairly.
  D. UDP starvation can occur
  A. UDP traffic can start dominating over TCP traffic.

• Question 10:

  

  Refer to the exhibit. You must modify the Cisco IOS Layer3 switch configuration for high availability operation. Which additional configuration is needed, if any?

  A. Modify the configuration to use VRRP, which has additional functionality that works better for high availability
  B. This configuration is sufficient for high availability functionality
  C. Enable HSRP preempt to force the primary Layer 3 switch to resume the master role after a failure
  D. Enable HSRP preempt with a delay to allow time for the routing and switching protocols to converge
  B. This configuration is sufficient for high availability functionality