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

Which of the following commands should you issue to increase the number of protocols that NBAR can classify and inspect? (Select the best answer.)


Options are :

  • .ip nbar resources
  • .ip nbar protocol-discovery
  • ip nbar port-map
  • .ip nbar pdlm (Correct)

Answer : .ip nbar pdlm

Which of the following actions cannot be performed in VRF configuration mode? (Select the best answer.)


Options are :

  • assigning an RD
  • associating an SNMP context with the VRF
  • defining the VRF instance name (Correct)
  • configuring shared route targets between IPv4 and IPv6

Answer : defining the VRF instance name

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

Which of the following features influences root bridge selection by putting a designated port into an inconsistent state when it receives a superior BPDU? (Select the best answer.)


Options are :

  • PortFast
  • root guard (Correct)
  • BPDU guard
  • loop guard

Answer : root guard

Which of the following IPv6 addresses is used as the source address in OSPFv3 packets? (Select the best answer.)


Options are :

  • A global scope address is used on all OSPF interfaces except virtual links.
  • A link-local unicast address is used on all OSPF interfaces
  • A link-local unicast address is used on all OSPF interfaces except virtual links. (Correct)
  • A global scope address is used on all OSPF interfaces.

Answer : A link-local unicast address is used on all OSPF interfaces except virtual links.

Which of the following statements is true regarding EEM? (Select the best answer.)


Options are :

  • EEM must publish events to subsystem number 798. (Correct)
  • The Watchdog System Monitor can monitor interface errors.
  • EEM cannot be configured to send an email message.
  • EEM cannot be configured to generate an SNMP trap
  • EEM cannot be configured to restart a router.

Answer : EEM must publish events to subsystem number 798.

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

You are configuring a serial link on one of your company's routers. You want to enable encapsulation for the link and ensure that your configuration will support either asynchronous or synchronous communications. You also want to configure authentication for the link, and you want to use the most secure authentication mechanism available for the link. Which of the following commands should you use to accomplish your goal? (Select the best answer.)


Options are :

  • Router1(config)#interface serial 1 Router1(configif)#encapsulation hdlc Router1(configif)#ppp authentication chap
  • Router1(config)#interface serial 1Router1(configif)#encapsulation ppp Router1(configif)#ppp authentication pap
  • Router1(config)#interface serial 1Router1(configif)#encapsulation ppp Router1(configif)#ppp authentication chap (Correct)
  • Router1(config)#interface serial 1 Router1(configif)#encapsulation hdlc Router1(configif)#ppp authentication pap

Answer : Router1(config)#interface serial 1Router1(configif)#encapsulation ppp Router1(configif)#ppp authentication chap

Which of the following events would cause the overload bit to be set on a router running IS-IS? (Select the best answer.)


Options are :

  • The router comes online for the first time.
  • The router goes offline.
  • The router has recently been reloaded. (Correct)
  • Multiple routes to the same destination exist on the router.

Answer : The router has recently been reloaded.

You issue the show running-config command on a router and receive the following partial output: router eigrp boson addressfamily ipv4 autonomoussystem 1 afinterface default bandwidthpercent 75 afinterface Ethernet 0/0 hellointerval 15 afinterface Ethernet 0/1 holdtime 45 What is the hold time for the Ethernet 0/0 interface? (Select the best answer.) five seconds


Options are :

  • 15seconds
  • 60seconds
  • 45seconds (Correct)
  • 180seconds

Answer : 45seconds

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

Which of the following statements best describes loop guard? (Select the best answer.)


Options are :

  • Loop guard prevents a switch port from transitioning to the forwarding state. (Correct)
  • Loop guard prevents a switch port from becoming the root port.
  • Loop guard prevents a switch port from becoming a trunk port.
  • .Loop guard prevents a switch port from receiving BPDUs.

Answer : Loop guard prevents a switch port from transitioning to the forwarding state.

Which of the following best defines a FEC? (Select the best answer.)


Options are :

  • a group of packets that are forwarded similarly (Correct)
  • a table that is built from information in the routing table
  • a value that enables MPLS VPN customers to use overlapping IP address ranges
  • a table that contains inboundtooutbound label mappings

Answer : a group of packets that are forwarded similarly

Which of the following port states exist in both 802.1D and 802.1w? (Select 2 choices.)


Options are :

  • discarding
  • forwarding (Correct)
  • disabled
  • blocking
  • learning (Correct)

Answer : forwarding learning

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

Which of the following commands will cause iBGP routes to have the same AD as internal EIGRP routes? (Select 2 choices.)


Options are :

  • distance bgp 110 90 120 (Correct)
  • distance bgp 110 120 90
  • distance bgp 120 90 110 (Correct)
  • .distance bgp 90 120 110
  • distance bgp 90 110 120

Answer : distance bgp 110 90 120 distance bgp 120 90 110

In Cisco ACI, what is a collection of VRF instances or IP address spaces? (Select the best answer.)


Options are :

  • an EPG
  • a contract
  • an ANP
  • a context (Correct)

Answer : a context

Which of the following commands will cause a router to be prone to CEF polarization? (Select the best answer.)


Options are :

  • ip cef loadsharing algorithm universal
  • no ip cef loadsharing algorithm
  • ip cef loadsharing algorithm original (Correct)
  • ip cef loadsharing algorithm tunnel

Answer : ip cef loadsharing algorithm original

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

Which of the following is true regarding the structure of a multiprotocol BGP VPNIPv4 address? (Select the best answer.)


Options are :

  • It begins with a 2byte Type field and ends with a 6byte Value field.
  • .It begins with an 8byte RD and ends with a 4byte IPv4 address. (Correct)
  • It begins with a 4byte ASN and ends with a 2byte Assigned Number.
  • .It begins with a 4byte VPN ID and ends with an 8byte RD.

Answer : .It begins with an 8byte RD and ends with a 4byte IPv4 address.

Which of the following commands should you issue to manually attach a traffic policy to an interface in an NBAR configuration? (Select the best answer.)


Options are :

  • policy-map
  • .service-policy (Correct)
  • ip nbar protocol-discovery
  • class-map

Answer : .service-policy

You issue the show framerelay map command on Router2 and receive the following output: Serial2/0 (up): ip 10.11.12.13 dlci 20(0x14,0x440), dynamic, CISCO, status defined, active What protocol was used to dynamically create this PVC? (Select the best answer.)


Options are :

  • .RARP
  • DHCP
  • ARP
  • Inverse ARP (Correct)

Answer : Inverse ARP

400-101 CCIE Routing and Switching Written Practice Exam Set 4

What extra information does the loginput keyword provide in an ACL log that the logkeyword does not? (Select 2 choices.)


Options are :

  • source MAC address (Correct)
  • ingress interface (Correct)
  • source IP address
  • destination IP address
  • .destination MAC address

Answer : source MAC address ingress interface

You want to move several company functions to the cloud, including software development and CRM. You decide to use an IaaS vendor. Which of the following will you most likely have to provide and manage? (Select 3 choices.)


Options are :

  • the CRM application (Correct)
  • .the networking infrastructure
  • .the software development platform (Correct)
  • the operating system (Correct)

Answer : the CRM application .the software development platform the operating system

Which of the following statements are true regarding Ansible, Salt, Chef, and Puppet? (Select 2 choices.)


Options are :

  • All are configuration management tools. (Correct)
  • All are written in Python.
  • All are written in Ruby.
  • .All require client installation.
  • All have a web UI. (Correct)

Answer : All are configuration management tools. All have a web UI.

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

You manage a StackWise stack of nine switches. Which of the following switches will be elected as the stack master? (Select the best answer.)


Options are :

  • the switch with the lowest configured IP address
  • .the switch with the highest priority value (Correct)
  • the switch with the lowest priority value
  • the switch with the highest configured IP address

Answer : .the switch with the highest priority value

When you are enabling AutoQoS for the Enterprise on a router, which of the following commands should you ensure has been issued before you issue the auto discovery qoscommand? (Select the best answer.)


Options are :

  • .ip cef (Correct)
  • auto qos voip
  • auto qos
  • mls qos

Answer : .ip cef

Which of the following is an IETF-standard FHRP that can use object tracking and preemption to provide Layer 3 failover? (Select the best answer.)


Options are :

  • GLBP
  • HSRP
  • VRRP (Correct)
  • LACP

Answer : VRRP

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

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