400-101 CCIE Routing and Switching Written Practice Exam Set 11

You issue the ipv6 flowset command on a Cisco router. Which of the following is the smallest packet size that the router will track with flow labels? (Select the best answer.)


Options are :

  • .1,024 bytes
  • 2,048 bytes
  • .1,500 bytes
  • 1,280 bytes (Correct)

Answer : 1,280 bytes

Which of the following statements are true regarding TACACS+? (Select 2 choices.)


Options are :

  • TACACS+ enables administrators to control access to configuration commands. (Correct)
  • TACACS+ is a standard protocol created by IETF.
  • TACACS+ separates the authentication, authorization, and accounting functions of AAA. (Correct)
  • TACACS+ encrypts only the password in AccessRequest packets.

Answer : TACACS+ enables administrators to control access to configuration commands. TACACS+ separates the authentication, authorization, and accounting functions of AAA.

Which of the following decimal values corresponds to the DSCP value EF? (Select the best answer.)


Options are :

  • 46 (Correct)
  • 0
  • 4
  • 28

Answer : 46

400-101 CCIE Routing and Switching Written Practice Exam Set 9

Which of the following switches will be selected as the root bridge? (Select the best answer.)


Options are :

  • the switch with the highest path cost
  • .the switch with the lowest path cost
  • the switch with the lowest priority (Correct)
  • the switch with the highest priority

Answer : the switch with the lowest priority

Issuing which of the following commands is most likely to ensure that a BGP router will prefer one route over another when multiple paths exist to a destination? (Select the best answer.)


Options are :

  • .neighbor ip-address weight 0
  • bgp default localpreference 4294967295
  • .bgp default localpreference 0
  • .defaultmetric 1
  • defaultmetric 4294967295
  • neighbor ip-address weight 65535 (Correct)

Answer : neighbor ip-address weight 65535

You issue the show runningconfig command on an NHRP hub router and receive the following partial output: interface Tunnel0 ip nhrp networkid 1 ip nhrp authentication Boson ip nhrp map multicast dynamic Which of the following commands must you issue on a corresponding spoke router in order for the tunnel to establish? (Select the best answer.)


Options are :

  • .ip nhrp authentication Boson (Correct)
  • .ip nhrp networkid 1
  • .ip nhrp map multicast dynamic
  • interface tunnel 0

Answer : .ip nhrp authentication Boson

400-101 CCIE Routing and Switching Written Practice Exam Set 9

Which switching method always checks for CRC errors before forwarding the frame? (Select the best answer.)


Options are :

  • FragmentFree
  • storeandforward (Correct)
  • adaptive cutthrough
  • .cutthrough

Answer : storeandforward

Which of the following are true of both OSPFv2 and OSPFv3? (Select 2 choices.)


Options are :

  • Both support IPv4. (Correct)
  • .Both elect the BDR before electing the DR. (Correct)
  • .Both use MD5 for secure communications.
  • Both support IPv6.

Answer : Both support IPv4. .Both elect the BDR before electing the DR.

Which of the following steps in the NAT order of operation typically occur after NAT insidetooutside translation? (Select 3 choices.)


Options are :

  • .check inbound access list
  • .encryption (Correct)
  • check outbound access list (Correct)
  • inspect CBAC (Correct)
  • redirect to web cache
  • .decryption

Answer : .encryption check outbound access list inspect CBAC

400-101 CCIE Routing and Switching Written Practice Exam Set 13

Which of the following must you do to enable OSPFv3 to function on an interface? (Select 3 choices.)


Options are :

  • You must issue the router ospfv3 [processid] command in global configuration mode
  • You must issue the ipv6 router ospfprocessid command in global configuration mode
  • You must issue the ipv6 ospf processidarea areaid [instanceinstanceid] command in interfaceconfiguration mode. (Correct)
  • You must issue the ipv6 address command or the ipv6 enable command in interface configurationmode. (Correct)
  • You must issue the ipv6 unicastrouting command in global configuration mode (Correct)

Answer : You must issue the ipv6 ospf processidarea areaid [instanceinstanceid] command in interfaceconfiguration mode. You must issue the ipv6 address command or the ipv6 enable command in interface configurationmode. You must issue the ipv6 unicastrouting command in global configuration mode

400-101 CCIE Routing and Switching Written Practice Exam Set 9

Which of the following Cisco IOS XE subpackages is always different among consolidated packages? (Select the best answer.)


Options are :

  • RPBase
  • RPControl
  • RPIOS (Correct)
  • RPAccess

Answer : RPIOS

Which of the following seed metrics is assigned by default when OSPF routes are redistributed into EIGRP? (Select the best answer.)


Options are :

  • infinity (Correct)
  • 1
  • 0
  • 20

Answer : infinity

Which of the following is true of NAT64? (Select the best answer.)


Options are :

  • It uses DNSALG for name resolution.
  • .It can be deployed in a stateful configuration. (Correct)
  • It translates unique IPv6 prefixes to other unique IPv6 prefixes.
  • .It cannot be deployed in a stateless configuration.

Answer : .It can be deployed in a stateful configuration.

400-101 CCIE Routing and Switching Written Practice Exam Set 7

You issue the ip as-path access-list 1 permit ^[09]*_222$ command on a BGP router. Which of the following paths are allowed by the AS path filter? (Select the best answer.)


Options are :

  • paths that are learned from AS 222 and originate from a directly attached AS numbered from 0 through9
  • paths that originate from AS 222 and are learned from AS 222 or any AS directly attached to AS 222 (Correct)
  • .paths that originate from AS 222 and are learned from a directly attached AS numbered from 0 through 9
  • paths that are learned from AS 222 and originate from any directly attached AS

Answer : paths that originate from AS 222 and are learned from AS 222 or any AS directly attached to AS 222

When creating a VPN tunnel, on which of the following devices should you issue the tunnel mode auto command? (Select the best answer.)


Options are :

  • on neither the responder nor the initiator
  • .on both the responder and the initiator
  • on the initiator only
  • on the responder only (Correct)

Answer : on the responder only

Which of the following does not typically occur during the PPP Session stage of a PPPoE session? (Select the best answer.)


Options are :

  • The MAC address of the peer is obtained. (Correct)
  • NCP configures Network layer protocols.
  • LCP negotiates configuration options.
  • PPP authenticates by using CHAP or PAP.

Answer : The MAC address of the peer is obtained.

400-101 CCIE Routing and Switching Written Practice Exam Set 7

You issue the ip rip triggered command on the Serial 0 interface of RouterA. When will RouterA send a partial routing database? (Select 2 choices.)


Options are :

  • when RouterA receives a specific request for a routing table update
  • when information from another interface modifies the database (Correct)
  • when RouterA is first powered on
  • when the Serial 0 interface comes up or goes down (Correct)

Answer : when information from another interface modifies the database when the Serial 0 interface comes up or goes down

You issue the ping mpls ipv4 command. Which of the following return codes indicates a successful ping? (Select the best answer.)


Options are :

  • 1
  • 2
  • 0
  • 3 (Correct)

Answer : 3

Which of the following commands will cause EEM to check the value of the _exit_status variable after an applet is finished? (Select the best answer.)


Options are :

  • set 1 _exit_status 0
  • event cli pattern "show ip interface brief" sync no skip yes
  • event cli pattern "show ip interface brief" sync no skip no
  • event cli pattern "show ip interface brief" sync yes (Correct)

Answer : event cli pattern "show ip interface brief" sync yes

400-101 CCIE Routing and Switching Written Practice Exam Set 8

You have implemented OSPF on your network. However, your supervisor asks you to try to reduce the time to detect a failed link to less than one second. Which of the following should you do? (Select the best answer.)


Options are :

  • Enable STP UplinkFast.
  • Implement OSPF fast hellos.
  • Reduce OSPF hello timers.
  • Enable BFD. (Correct)

Answer : Enable BFD.

Which of the following statements best describes the purpose of the wellknown BGP AS 23456? (Select the best answer.)


Options are :

  • .It will be used by default on new BGP routers when 2byte allocations are exhausted.
  • .It facilitates the gradual transition from 2byte ASes to 4byte ASes. (Correct)
  • It is used by default on BGP routers that support 4byte ASes.
  • .It facilitates the gradual transition from 4-byte ASes to 2-byte ASes.

Answer : .It facilitates the gradual transition from 2byte ASes to 4byte ASes.

Which of the following steps in the NAT order of operation typically occur before insidetooutside translation but after outsidetoinside address translation? (Select the best answer.)


Options are :

  • policy routing and IP routing (Correct)
  • .checking outbound access lists and inspecting CBAC
  • encryption and queuing
  • checking inbound access lists, rate limits, and accounting

Answer : policy routing and IP routing

400-101 CCIE Routing and Switching Written Practice Exam Set 3

Which device or devices receive packets destined for FF02::5? (Select the best answer.)


Options are :

  • .the single device that is configured with the address FF02::5
  • all OSPFv3 routers (Correct)
  • all RIPv6 routers
  • all IPv6capable nodes on the segment
  • .all IPv6capable routers on the segment

Answer : all OSPFv3 routers

Which of the following mutual redistribution scenarios does not require you to configure manual redistribution? (Select the best answer.)


Options are :

  • static routes and EIGRP
  • .IS-IS and OSPF processes with the same area number
  • OSPF processes with different process IDs
  • static routes and RIPv2
  • .IGRP and EIGRP processes with the same ASN (Correct)

Answer : .IGRP and EIGRP processes with the same ASN

Which of the following statements describe how LACP determines whether an interface is an active interface or a standby interface? (Select 2 choices.)


Options are :

  • When LACP port priorities are equal, all ports with equal priorities are configured as active interfaces.
  • Ports with higher LACP port priorities are preferred over ports with lower LACP port priorities. (Correct)
  • When LACP port priorities are equal, ports with lower port numbers are preferred over ports with higherport numbers. (Correct)
  • Ports with lower LACP port priorities are preferred over ports with higher LACP port priorities.
  • When LACP port priorities are equal, ports with higher port numbers are preferred over ports with lowerport numbers.

Answer : Ports with higher LACP port priorities are preferred over ports with lower LACP port priorities. When LACP port priorities are equal, ports with lower port numbers are preferred over ports with higherport numbers.

400-101 CCIE Routing and Switching Written Practice Exam Set 8

What is the size of the IPv6 fragment header? (Select the best answer.)


Options are :

  • 40 bytes
  • 32 bits
  • 20 bytes
  • 64 bits (Correct)

Answer : 64 bits

Which of the following types of authentication is configured with the isis password command? (Select the best answer.)


Options are :

  • router authentication
  • domain authentication
  • area authentication
  • interface authentication (Correct)

Answer : interface authentication

You issue the activation character 8 command from line configuration mode. Which of the following statements is true? (Select the best answer.)


Options are :

  • Terminal access will not begin until eight keys have been pressed.
  • Terminal access will not begin until the Backspace key is pressed. (Correct)
  • Terminal access will not begin until the Enter key is pressed.
  • .Terminal access will not begin until the 8 key is pressed.

Answer : Terminal access will not begin until the Backspace key is pressed.

400-101 CCIE Routing and Switching Written Practice Exam Set 9

Which of the following statements are correct regarding 802.1X portbased authentication? (Select 3 choices.)


Options are :

  • If a switch is configured to use 802.1X but a host is not, the host will be unable to communicate on thenetwork. (Correct)
  • Multiple hosts can be connected to a port that is configured for 802.1X authentication. (Correct)
  • Before authentication occurs, only DHCP traffic is allowed through a port that is configured for 802.1Xauthentication.
  • If a host is configured to use 802.1X but a switch is not, the host will be unable to communicate on thenetwork.
  • Before authentication occurs, only EAPOL, STP, and CDP traffic is allowed on a port that is configuredfor 802.1X authentication. (Correct)

Answer : If a switch is configured to use 802.1X but a host is not, the host will be unable to communicate on thenetwork. Multiple hosts can be connected to a port that is configured for 802.1X authentication. Before authentication occurs, only EAPOL, STP, and CDP traffic is allowed on a port that is configuredfor 802.1X authentication.

Which of the following statements regarding traffic flooding in a VPLS network is true? (Select the best answer.)


Options are :

  • .Neither broadcast nor multicast traffic is flooded through the network.
  • Only multicast traffic is flooded through the network.
  • Only broadcast traffic is flooded through the network.
  • Both broadcast traffic and multicast traffic are flooded through the network. (Correct)

Answer : Both broadcast traffic and multicast traffic are flooded through the network.

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