Exam Deatils

  • Exam Code
    :400-101
  • Exam Name
    :CCIE Routing and Switching Written v5.1
  • Certification
    :CCIE
  • Vendor
    :Cisco
  • Total Questions
    :290 Q&As
  • Last Updated
    :Jan 19, 2020

Cisco CCIE 400-101 Questions & Answers

  • Question 1:

    What is used to acknowledge the receipt of LSPs on a point-to-point network in IS-IS?

    A. hello

    B. CSNP

    C. PSNP

    D. IIH

    E. CSH

  • Question 2:

    On a network with multiple VLANs, which three tasks must you perform to configure IP source guard on VLAN 50 only? (Choose three)

    A. Configure the ip dhcp snooping vlan 50 command on the interface

    B. Configure the ip dhcp snooping vlan 50 command globally

    C. Configure the ip dhcp snooping command on the interface

    D. Configure the ip verify source command globally

    E. Configure the ip dhcp snooping command global

    F. Configure the ip verify source command on the interface

  • Question 3:

    Which aspect is a significant disadvantage of containers?

    A. Security

    B. Resource consumption

    C. Time to delay

    D. Inefficiency

    E. Reduce operational overhead

  • Question 4:

    Which command sequence will configure an auto IP SLA scheduler that starts at 12:45AM on January 1, ends after 1hour of inactivity, and repeats every 3 hours for one week?

    A. ip sla auto schedule Jan1 start-time 00:45 jan 1 frequency 360 life forever porbe-interval 43200

    B. ip sla schedule Jan1 start-time 12:45 jan 1 frequency 60 life 10800 porbe-interval 43200

    C. ip sla schedule Jan1 start-time 00:45 jan 1 frequency 360 life 10800 porbe-interval 10800

    D. ip sla schedule Jan1 start-time 12:45 jan 1 ageout 360 life 604800 porbe-interval 43200

    E. ip sla auto schedule Jan1 start-time 00:45 jan 1 ageout 360 life 604800 porbe-interval 10800

  • Question 5:

    How are the Cisco Express Forwarding table and the FIB related to each other?

    A. Cisco Express Forwarding use a FIB to make IP destination prefix-based switching decisions.

    B. The FIB is used to population the Cisco Express Forwarding table.

    C. There can be only FIB but multiple Cisco Express Forwarding tables on IOS devices.

    D. The Cisco Express Forwarding table allows route lookups to be forwarding to be route processor for processing before they are sent to the FIB

  • Question 6:

    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.

  • Question 7:

    Refer to the exhibit.

    The Main 1 and Branch 1 switches are connected directly over over an MPLS pseudowire, and both runn UDLD. After router B1 reloads because of a power failure, the pseudowire. However the Branch 1 switch is unable to reach the Main 1 switch.

    Which two actions can you take to restore connectivity and problem from recurring? (Choose two)

    A. Configure a backup pseudowire between the Main 1 and Branch I Switchs.

    B. Issue the shutdown and no shutdown commands on the Branch 1 switch uplink to the B1 router only.

    C. Configure a backup GRE tunnel between the Main I and Branch 1 switches.

    D. Issue the shutdown and no shutdown commands on both the Branch 1 switch uplink to the B1 router and the Main 1 switch's uplink to the M1 router

    E. Enable errdisable recovery on both the Main I and Branch I switches.

    F. Enable UDLD recovery on both the Main I and Branch I switches.

  • Question 8:

    Which command can you enter to prevent a router from displaying Telnet connection messages on the terminal?

    A. service telnet-zeroldle

    B. ip telnet hidden hostname

    C. ip telnet hidden address

    D. no ip domain-lookup

    E. ip telnet quiet

  • Question 9:

    Which two statements about OSPF route filtering are true? (Choose two)

    A. It can be based on the source router ID.

    B. It can be based on the as-path.

    C. It affects LSA flooding.

    D. It can be based on distance.

    E. It can be based on the external route tag.

  • Question 10:

    What does the DIS on a LAN periodically transmit in multicast to ensure that the IS-IS link-state database is accurate?

    A. ISH

    B. CSNP

    C. IIH

    D. PSNP

    E. LIP

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