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

Which of the following hypervisors operates as a Type2 hypervisor? (Select the best answer.)


Options are :

  • HyperV
  • Xen
  • KVM
  • QEMU

Answer : QEMU

Which of the following features does IGMPv3 support that IGMPv2 does not? (Select the best answer.)


Options are :

  • ulticast source filtering
  • host membership report suppression
  • groupspecific queries
  • querier elections
  • leave group messages

Answer : ulticast source filtering

You administer an MPLS domain. You issue the ip vrf Customer129 command to create a VRF table for a customer. You now want to create an RD and configure RTs. Which of the following formats can you use? (Select 2 choices.)


Options are :

  • A.B.C.D:nn, where A.B.C.D is a 32-bit IP address and nn is a 16-bit decimal number
  • nn:MAC, where nn is a 16-bit decimal number and MAC is a 48-bit MAC address
  • nn:AS, where nn is a 16-bit decimal number and AS is a 16-bit ASN
  • AS:nn, where AS is a 16-bit ASN and nn is a 32-bit decimal number
  • nn:A.B.C.D, where nn is a 16-bit decimal number and A.B.C.D is a 32-bit IP address

Answer : A.B.C.D:nn, where A.B.C.D is a 32-bit IP address and nn is a 16-bit decimal number AS:nn, where AS is a 16-bit ASN and nn is a 32-bit decimal number

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

You have issued the following commands on Router1: router eigrp 86 network 192.168.100.0 eigrp stub Which of the following commands or command sets must you issue to enable Router1 to advertise connected and summary routes? (Select the best answer.)


Options are :

  • eigrp stub connected eigrp stub summary
  • eigrp stub connected summary
  • No commands are necessary; the eigrp stub command enables the stub router to advertise connected and summary routes.
  • eigrp stub static connected summary

Answer : No commands are necessary; the eigrp stub command enables the stub router to advertise connected and summary routes.

Which of the following is most likely related to microbursts occurring on a network? (Select the best answer.)


Options are :

  • The network administrator reduces the size of the buffer to prevent packet loss.
  • More than one device is sending traffic to a single destination at the same time.
  • An interface has shut down.
  • A gradual increase in traffic has occurred over a long period of time.

Answer : More than one device is sending traffic to a single destination at the same time.

What is the default WTD maximum threshold for queue 1? (Select the best answer.)


Options are :

  • 50 percent
  • 100 percent
  • 400 percent
  • 200 percent

Answer : 400 percent

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

You issue the following commands on RouterA: ARouterA(config) #interface fa0/1 RouterA(config-if) #ip address 10.1.1.1 255.255.255.0 RouterA(config-if) #ip address 10.1.1.2 255.255.255.0 RouterA(config-if) #ip address 10.1.1.3 255.255.255.0 secondary RouterA(config-if) #ip address 10.1.1.4 255.255.255.0 secondary. Which of the following statements is correct? (Select the best answer.)


Options are :

  • Three IP addresses are active on the interface: 10.1.1.2, 10.1.1.3, and 10.1.1.4.
  • Two IP addresses are active on the interface: 10.1.1.1 and 10.1.1.4.
  • Two IP addresses are active on the interface: 10.1.1.2 and 10.1.1.4.
  • Three IP addresses are active on the interface: 10.1.1.1, 10.1.1.3, and 10.1.1.4.
  • Two IP addresses are active on the interface: 10.1.1.2 and 10.1.1.3.
  • Two IP addresses are active on the interface: 10.1.1.1 and 10.1.1.3

Answer : Three IP addresses are active on the interface: 10.1.1.2, 10.1.1.3, and 10.1.1.4.

IP routing is not enabled on a Cisco router that you administer. You want to create a gateway of last resort on the router. Which of the following commands should you issue to accomplish your goal? (Select the best answer.)


Options are :

  • ip route 0.0.0.0 0.0.0.0 s0/0
  • ip defaultgateway 10.10.100.1
  • ip route 0.0.0.0 0.0.0.0 10.10.100.1
  • ip defaultnetwork 10.10.100.0

Answer : ip defaultgateway 10.10.100.1

You issue the show running-config command on RouterA and receive the following partial output: Access-list 101 permit ip host 172.16.223.82 10.17.88.0 0.0.0.255 route-map map1 permit 10 match ip address 101 set next-hop 192.168.1.1 Which of the following packets will RouterA redirect to the nexthop router at 192.168.1.1? (Select the best answer.)


Options are :

  • packets sent from 172.16.223.82 or destined to the 10.17.88.0/24 network
  • packets sent from 172.16.223.82 and destined to the 10.17.88.0/24 network
  • packets sent from the 10.17.88.0/24 network or destined to 172.16.223.82
  • packets sent from the 10.17.88.0/24 network and destined to 172.16.223.82

Answer : packets sent from 172.16.223.82 and destined to the 10.17.88.0/24 network

400-101 CCIE Routing and Switching Written Practice Exam Set 12

Which of the following is the mandatory transport protocol for NETCONF? (Select the best answer.)


Options are :

  • SNMP
  • SOAP
  • YANG
  • SSH

Answer : SSH

Which of the following statements is correct about external routes received by an NSSA? (Select the best answer.)


Options are :

  • External routes from an ASBR are converted to Type 5 LSAs and tunneled through the NSSA to theABR, where they are advertised as Type 5 LSAs.
  • External routes from an ASBR are converted to Type 7 LSAs and tunneled through the NSSA to theABR, where they are converted to Type 5 LSAs.
  • External routes from an ASBR are converted to Type 5 LSAs and tunneled through the NSSA to theABR, where they are converted to Type 7 LSAs
  • External routes from an ASBR are converted to Type 3 LSAs and tunneled through the NSSA to theABR, where they are converted to Type 7 LSAs.
  • External routes from an ASBR are converted to Type 3 LSAs and tunneled through the NSSA to theABR, where they are converted to Type 5 LSAs.

Answer : External routes from an ASBR are converted to Type 7 LSAs and tunneled through the NSSA to theABR, where they are converted to Type 5 LSAs.

Which of the following observations about potential BGP enhancements were documented in RFC 6774? (Select the best answer.)


Options are :

  • possible addition of a session between a route reflector and its client
  • possible addition of a fouroctet Path Identifier
  • possible modifications to the bestpath algorithm
  • possible software upgrades for PE routers

Answer : possible addition of a session between a route reflector and its client

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

Which of the following OSPF network types have a default hello timer of 10 seconds and dead timer of 40 seconds? (Select 2 choices.)


Options are :

  • point-to-point
  • nonbroadcast
  • broadcast
  • point-to-multipoint

Answer : point-to-point broadcast

Which of the following events will trigger a log entry to be created with a severity level of 5 if syslog has been enabled on a router? (Select the best answer.)


Options are :

  • a packet being denied by an ACL
  • a router interface transitioning to the down state
  • the Cisco IOS software failing to load
  • an invalid packet type being received on an interface

Answer : a router interface transitioning to the down state

In a threenode OpenStack architecture, which services are part of the compute node? (Select 2 choices.)


Options are :

  • Neutron DHCP Agent
  • Ceilometer Agent
  • Nova Hypervisor
  • Ceilometer Core
  • Neutron Server

Answer : Ceilometer Agent Nova Hypervisor

400-101 CCIE Routing and Switching Written Practice Exam Set 6

In which of the following situations does a router use AD values to determine route selection? (Select the best answer.)


Options are :

  • when multiple routes to the same destination network are received, and each of these routes is received from a different routing protocol
  • when multiple routes to different destination networks are received, and all of these routes are received from the same routing protocol
  • when multiple routes to different destination networks are received, and each of these routes is received from a different routing protocol
  • when multiple routes to the same destination network are received, and all of these routes are received from the same routing protocol

Answer : when multiple routes to the same destination network are received, and each of these routes is received from a different routing protocol

Which of the following requires a physical RP? (Select the best answer.)


Options are :

  • PIM-SM
  • PIM-SDM
  • PIM-DM
  • PIM-SSM

Answer : PIM-SM

On which interface type is turbo flooding not supported? (Select the best answer.)


Options are :

  • FDDI
  • HDLCencapsulated Serial
  • ARPAencapsulated Ethernet
  • Token Ring

Answer : Token Ring

400-101 CCIE Routing and Switching Written Practice Exam Set 6

Which of the following are true of both traffic policing and traffic shaping? (Select 2 choices.)


Options are :

  • Both limit bandwidth utilization.
  • Both remark excess traffic
  • Both buffer excess traffic.
  • Both use a token bucket.

Answer : Both limit bandwidth utilization. Both use a token bucket.

You want to connect four ports on two switches in an EtherChannel configuration. SwitchEast is a Cisco switch, and SwitchWest is a nonCisco switch. Which of the following command sets should you issue to configure interfaces Gi 2/1 through Gi 2/4 on SwitchEast? (Select the best answer.)


Options are :

  • SwitchEast(config)#interface port-channel 1 SwitchEast(config-if)#ip address 10.20.30.40 255.255.255.0 SwitchEast(config-if)#interface range gi 2/1 4 SwitchEast(config-if-range)#no ip address SwitchEast(config-if-range)#channel-protocol lacp SwitchEast(config-if-range)#channel-group 1 mode active
  • SwitchEast(config)#interface port-channel 1 SwitchEast(config-if)#ip address 10.20.30.40 255.255.255.0 SwitchEast(confi-gif)#interface range gi 2/1 4 SwitchEast(config-if-range)#no ip address SwitchEast(config-if-range)#channel-protocol pagp SwitchEast(config-if-range)#channel-group 1 mode desirable non-silent
  • SwitchEast(config)#interface port-channel 1 SwitchEast(config-if)#ip address 10.20.30.40 255.255.255.0 SwitchEast(config-if)#interface range gi 2/1 4 SwitchEast(config-if-range)#no ip address SwitchEast(config-if-range)#channel-protocol lacp SwitchEast(config-if-range)#channel-group 1 mode desirable non-silent
  • SwitchEast(config)#interface port-channel 1 SwitchEast(config-if)#ip address 10.20.30.40 255.255.255.0 SwitchEast(config-if)#interface range gi 2/1 4 SwitchEast(config-if-range)#no ip address SwitchEast(config-if-range)#channel-protocol pagp SwitchEast(config-if-range)#channel-group 1 mode active

Answer : SwitchEast(config)#interface port-channel 1 SwitchEast(config-if)#ip address 10.20.30.40 255.255.255.0 SwitchEast(config-if)#interface range gi 2/1 4 SwitchEast(config-if-range)#no ip address SwitchEast(config-if-range)#channel-protocol lacp SwitchEast(config-if-range)#channel-group 1 mode active

Which of the following algorithms will an OSPF router use to determine the best route for packets? (Select the best answer.)


Options are :

  • the Bellman-Ford algorithm
  • the Dijkstra algorithm
  • the Diffie-Hellman algorithm
  • the DUAL algorithm

Answer : the Dijkstra algorithm

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

You are considering moving your company's software development to a public cloudbased solution. Which of the following are least likely to increase? (Select 2 choices.)


Options are :

  • security
  • mobility
  • control
  • redundancy
  • availability

Answer : security control

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


Options are :

  • LISP must be running on both ends of the tunnel
  • The MR stores the registered EID prefixes and a mapping database.
  • RLOC addresses are the IP addresses and prefixes that identify different routers in the IP network.
  • LISP requires preconfigured tunnel endpoints.

Answer : RLOC addresses are the IP addresses and prefixes that identify different routers in the IP network.

Which of the following best describes how to create a MAC address that is mapped from a multicast IPv6 address? (Select the best answer.)


Options are :

  • Prepend FF to the last five octets of the IPv6 address
  • Prepend 3333 to the last four octets of the IPv6 address.
  • Prepend 0100.0CCC to the last two octets of the IPv6 address.
  • Prepend FFFF to the last four octets of the IPv6 address

Answer : Prepend 3333 to the last four octets of the IPv6 address.

400-101 CCIE Routing and Switching Written Practice Exam Set 2

Which of the following statements is accurate regarding alternate ports? (Select the best answer.)


Options are :

  • An alternate port is the port on a segment that has the best path to the root bridge.
  • An alternate port is a blocked port that receives more useful BPDUs from a port on another switch.
  • An alternate port is always in the forwarding state.
  • An alternate port is the port on a switch that has the best path to the root bridge.

Answer : An alternate port is a blocked port that receives more useful BPDUs from a port on another switch.

Which of the following statements is correct regarding ISAKMP preshared keys that are stored in secure type 6 format? (Select the best answer.)


Options are :

  • Deletion of the master key will unencrypt all of the encrypted passwords.
  • The master key is stored in the router configuration and is encrypted with AES.
  • Keys are encrypted as soon as you issue the key configkey password encryption masterkey command.
  • The master key can be changed after it has been created.

Answer : The master key can be changed after it has been created.

Which of the following statements is true regarding BGP soft reconfiguration? (Select the best answer.)


Options are :

  • It requires no configuration to support both inbound and outbound updates.
  • It requires very little memory
  • It tears down BGP sessions before rebuilding the routing tables
  • It can be performed by issuing the clear ip bgp command.

Answer : It can be performed by issuing the clear ip bgp command.

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

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


Options are :

  • TACACS+ encrypts the entire body of a packet, whereas RADIUS encrypts only the password.
  • TACACS+ combines authorization and authentication functions, whereas RADIUS separates authentication, authorization, and accounting functions.
  • TACACS+ uses UDP, whereas RADIUS uses TCP
  • TACACS+ provides router command authorization capabilities, whereas RADIUS does not provide router command authorization capabilities.

Answer : TACACS+ encrypts the entire body of a packet, whereas RADIUS encrypts only the password. TACACS+ provides router command authorization capabilities, whereas RADIUS does not provide router command authorization capabilities.

Which of the following commands should you issue on a switch port so that the port will trust the CoS value of the incoming voice and data traffic? (Select the best answer.)


Options are :

  • switchport priority extend cos
  • mls qos trust cos
  • mls qos trust
  • mls qos trust ip-precedence

Answer : mls qos trust cos

Which of the following EEM policy components is optional and contains code libraries? (Select the best answer.)


Options are :

  • entry status
  • body
  • event register keyword
  • namespace import

Answer : namespace import

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

Comment / Suggestion Section
Point our Mistakes and Post Your Suggestions