400-101 CCIE Routing and Switching Written Practice Exam Set 10

RouterA and RouterB are connected routers. You issue the show clns neighbors command on RouterA and receive the following output: System Id Interface SNPA State Holdtime .. Type Protocol RouterB Et0/0 0000.0000.000b Up 23 L1 IS-IS Which of the following statements must be true? (Select the best answer.)


Options are :

  • RouterA and RouterB are in the same area. (Correct)
  • .RouterB is configured for L1 routing only.
  • RouterA and RouterB are in different areas.
  • RouterB is configured for L1/L2 routing.

Answer : RouterA and RouterB are in the same area.

Which of the following is true regarding EIGRPv6? (Select the best answer.)


Options are :

  • EIGRPv6 requires that neighbors be in the same subnet.
  • EIGRPv6 uses the network command to specify the networks that should be advertised.
  • .EIGRPv6 supports automatic summarization.
  • EIGRPv6 establishes neighbor relationships by using link-local addresses. (Correct)

Answer : EIGRPv6 establishes neighbor relationships by using link-local addresses.

You issue the monitor session 2 destination interface FastEthernet1/0 command on SwitchA. Which of the following statements is true? (Select the best answer.)


Options are :

  • The FastEthernet1/0 interface cannot be a SPAN source port. (Correct)
  • The FastEthernet1/0 interface will pass all traffic.
  • .The FastEthernet1/0 interface cannot be overloaded.
  • The FastEthernet1/0 interface cannot be a SPAN destination port.

Answer : The FastEthernet1/0 interface cannot be a SPAN source port.

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

Which of the following statements are true regarding Cisco PfR? (Select 2 choices.)


Options are :

  • Active mode generates probes for all exit paths.
  • Passive mode generates probes for all exit paths.
  • Active mode uses NetFlow to monitor performance metrics.
  • .Passive mode uses NetFlow to monitor performance metrics. (Correct)
  • Active mode monitors delay, packet loss, throughput, and reachability.
  • Both active mode and passive mode monitor reachability and delay. (Correct)

Answer : .Passive mode uses NetFlow to monitor performance metrics. Both active mode and passive mode monitor reachability and delay.

What prefix length must you use when assigning a global NAT-PT prefix? (Select the best answer.)


Options are :

  • ::/96 (Correct)
  • ::/64
  • ::/32
  • ::/48

Answer : ::/96

You issue the show ipv6 interface fa0/0 command and receive the following partial output: FastEthernet0/0 is up, line protocol is up IPv6 is enabled, linklocal address is FE80::11AA:22BB:33CC:44DD No Virtual linklocal address(es): No global unicast address is configured Joined group address(es): FF02::1 FF02::2 FF02::A Which of the following routing protocols is most likely running on the network? (Select the best answer.)


Options are :

  • EIGRPv6 (Correct)
  • .IS-IS for IPv6
  • OSPFv3
  • .RIPv6

Answer : EIGRPv6

400-101 CCIE Routing and Switching Written Practice Exam Set 5

Switch1 and Switch2 are configured as a VSS. Switch1 has a higher priority. Switch2 has a higher switch ID. Both switches are started simultaneously. Which of the following will occur if RRP discovers an incompatibility between the switches? (Select the best answer.)


Options are :

  • Both switches will come up in RPR mode.
  • Switch2 will come up in NSF/SSO mode, and Switch1 will come up in RPR mode
  • .Both switches will come up in NSF/SSO mode.
  • Switch1 will come up in NSF/SSO mode, and Switch2 will come up in RPR mode. (Correct)

Answer : Switch1 will come up in NSF/SSO mode, and Switch2 will come up in RPR mode.

For which of the following situations is an OSPF virtual link useful? (Select 2 choices.)


Options are :

  • connecting discontinuous backbone areas (Correct)
  • connecting discontinuous nonbackbone areas
  • connecting to an interface that requires authentication
  • connecting a remote area to the backbone area through a standard area (Correct)
  • .connecting a remote area to the backbone area through a stub area

Answer : connecting discontinuous backbone areas connecting a remote area to the backbone area through a standard area

Which of the following is accomplished by implementing MPP on a router? (Select the best answer.)


Options are :

  • Only hosts on a particular subnet will be able to remotely manage the router.
  • Only hosts that use SSH will be able to remotely manage the router.
  • Only hosts that are connected to a particular interface will be able to remotely manage the router. (Correct)
  • Only hosts that perform 802.1X authentication will be able to remotely manage the router.

Answer : Only hosts that are connected to a particular interface will be able to remotely manage the router.

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

Which of the following are benefits of using VRRP? (Select 3 choices.)


Options are :

  • VRRP allows load balancing across multiple WAN links.
  • VRRP provides one virtual IP address for a group of routers. (Correct)
  • .VRRP supports up to 1,024 virtual routers per physical router interface.
  • VRRP can be used with routers from different vendors. (Correct)
  • VRRP supports MD5 authentication. (Correct)

Answer : VRRP provides one virtual IP address for a group of routers. VRRP can be used with routers from different vendors. VRRP supports MD5 authentication.

You administer several switches on a network. The switches are configured with the default MLD snooping settings. Several VLANs are configured on each switch. Which of the following statements is most accurate? (Select the best answer.)


Options are :

  • The switches will forward IPv6 multicast traffic only to ports on the default VLAN.
  • .The switches will forward IPv6 multicast traffic only to ports from which an MLD INCLUDE message has been received. (Correct)
  • The switches will forward IPv6 multicast traffic to every port.
  • The switches will not forward IPv6 multicast traffic.

Answer : .The switches will forward IPv6 multicast traffic only to ports from which an MLD INCLUDE message has been received.

You issue the ip as-path access-list 1 permit ^7_23$ 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 originate from AS 7 or AS 23
  • .paths that pass through AS 7 or AS 23
  • paths that originate from AS 7 and are learned from AS 23
  • paths that are learned from AS 7 and originate from AS 23 (Correct)

Answer : paths that are learned from AS 7 and originate from AS 23

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

Which of the following statements are true regarding round robin queuing? (Select 2 choices.)


Options are :

  • Shared round-robin queuing is available only on egress queues.
  • .Shared round-robin queuing guarantees bandwidth to queues but does not rate limit a queue if other queues are empty. (Correct)
  • Shared round-robin settings override shaped round robin settings unless the weight of the shared queue is 0.
  • Shaped round-robin queuing is available only on egress queues. (Correct)

Answer : .Shared round-robin queuing guarantees bandwidth to queues but does not rate limit a queue if other queues are empty. Shaped round-robin queuing is available only on egress queues.

Which of the following does RED and WRED address? (Select the best answer.)


Options are :

  • bandwidth starvation
  • bandwidth guarantees
  • tail drop (Correct)
  • strict-priority queuing

Answer : tail drop

Which of the following IPv6 prefixes is used for link-local unicast addresses? (Select the best answer.)


Options are :

  • 2000::/3
  • FD00::/8
  • FC00::/8
  • FE80::/10 (Correct)

Answer : FE80::/10

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

Which of the following cannot be exchanged between spoke sites in a DMVPN design? (Select 2 choices.)


Options are :

  • VoIP traffic
  • multicast traffic (Correct)
  • unicast traffic
  • dynamic routing traffic (Correct)

Answer : multicast traffic dynamic routing traffic

Which of the following best describes the function of unicast RPF? (Select the best answer.)


Options are :

  • Unicast RPF scans a packet to determine whether the packet contains malware.
  • .Unicast RPF encapsulates packets and sends them through a tunnel interface.
  • Unicast RPF verifies the reachability of the source IP address of a packet. (Correct)
  • Unicast RPF ensures that priority traffic is transmitted in a timely fashion.

Answer : Unicast RPF verifies the reachability of the source IP address of a packet.

Which of the following commands can you issue to enable RSTP? (Select 2 choices.)


Options are :

  • spanning-tree mode mst (Correct)
  • spanning-tree mode rapid-pvst (Correct)
  • spanning-tree mode pvst
  • .no spanning-tree mode

Answer : spanning-tree mode mst spanning-tree mode rapid-pvst

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

Which of the following is an IKE phase 1 mode that does not provide identity protection? (Select the best answer.)


Options are :

  • transport mode
  • .quick mode
  • main mode
  • aggressive mode (Correct)

Answer : aggressive mode

Which of the following statements regarding BFD are correct? (Select 2 choices.)


Options are :

  • BFD is supported by OSPF, EIGRP, BGP, and IS-IS. (Correct)
  • .BFD creates one session per routing protocol per interface.
  • BFD detects link failures in less than one second. (Correct)
  • BFD can bypass a failed peer without relying on a routing protocol.

Answer : BFD is supported by OSPF, EIGRP, BGP, and IS-IS. BFD detects link failures in less than one second.

You issue the ip sla schedule 10 command. When will the IP SLA operation run? (Select the best answer.)


Options are :

  • never (Correct)
  • .in 10 seconds
  • every 10 seconds
  • .immediately
  • at 10 a.m.
  • in 10 hours

Answer : never

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

Which of the following partial output from the show ip cache flow command would you expect to see for an HTTP connection sent from 10.1.1.36? (Select the best answer.)


Options are :

  • SrcIF SrcIPaddress DstIf DstIPaddress Pr SrcP DstP Pkts Et0/0 10.1.1.36 Et1/0 10.2.1.74 06 C486 0080 1
  • SrcIF SrcIPaddress DstIf DstIPaddress Pr SrcP DstP Pkts Et0/0 10.1.1.36 Et1/0 10.2.1.74 06 C486 0050 1 (Correct)
  • SrcIF SrcIPaddress DstIf DstIPaddress Pr SrcP DstP Pkts Et0/0 10.1.1.36 Et1/0 10.2.1.74 06 C486 01BB 1
  • SrcIF SrcIPaddress DstIf DstIPaddress Pr SrcP DstP Pkts Et0/0 10.1.1.36 Et1/0 10.2.1.74 06 C486 0443 1

Answer : SrcIF SrcIPaddress DstIf DstIPaddress Pr SrcP DstP Pkts Et0/0 10.1.1.36 Et1/0 10.2.1.74 06 C486 0050 1

What AD is assigned to EIGRP summary routes by default? (Select the best answer.)


Options are :

  • 1
  • 0
  • 90
  • 5 (Correct)

Answer : 5

You have installed a TACACS+ server on the network that you administer. You want to configure AAA on a router so that the router uses the TACACS+ server for authentication when a user attempts to log in to the router. However, if the server is unavailable, you want to ensure that the router uses its local user database. Which of the following commands should you issue? (Select the best answer.)


Options are :

  • aaa authentication login user
  • aaa authentication login default local
  • aaa authentication login default group tacacs+ local (Correct)
  • aaa authentication login user group tacacs+

Answer : aaa authentication login default group tacacs+ local

400-101 CCIE Routing and Switching Written Practice Exam Set 5

Which of the following commands enables IP source guard with source IP and MAC address filtering on an interface? (Select the best answer.)


Options are :

  • .ip dhcp snooping
  • .ip source binding
  • ip verify unicast source reachablevia
  • ip verify source portsecurity (Correct)

Answer : ip verify source portsecurity

Which of the following typically occurs during the Discovery stage of a PPPoE session? (Select the best answer.)


Options are :

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

Answer : The MAC address of the peer is obtained.

You are creating a policy map for VoIP packets. VoIP packets must receive 30 percent of the bandwidth on the S0/0 interface. Jitter and delay should be minimized. Which of the following commands should you issue from policy-map class configuration mode? (Select the best answer.)


Options are :

  • bandwidth percent 30
  • priority percent 30 (Correct)
  • priority 30
  • bandwidth 30

Answer : priority percent 30

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

You want to configure SNMPv3 to use encrypted authentication. Which of the following security levels should you configure? (Select the best answer.)


Options are :

  • authPriv (Correct)
  • .authCommunity
  • authNoPriv
  • noAuthNoPriv

Answer : authPriv

You have configured RouterA as an IS-IS node with the NET 49.1741.c867.5309.af89.00. Nodes with which of the following NETs would be able to establish an ISIS adjacency with RouterA? (Select 3 choices.)


Options are :

  • 49.1741.3867.5309.af89.00 (Correct)
  • 49.1741.c867.6309.af89.00 (Correct)
  • 49.1741.c867.5309.7f89.00 (Correct)
  • 48.1741.c867.5309.af89.00
  • 49.1741.c867.5309.af89.00

Answer : 49.1741.3867.5309.af89.00 49.1741.c867.6309.af89.00 49.1741.c867.5309.7f89.00

You issue the following commands on SwitchA: SwitchA(config)#interface portchannel 1 SwitchA(configif)#ip address 192.168.1.1 255.255.255.0 SwitchA(configif)#lacp maxbundle 2 SwitchA(configif)#interface range gi 3/2 - 3 SwitchA(configifrange)#channelprotocol lacp SwitchA(configifrange)#channelgroup 1 mode active You want to add interface Gi 3/1 to the channel group. Which of the following commands should you issue to configure Gi 3/1 as a standby interface? (Select the best answer.)


Options are :

  • .lacp systempriority 44444
  • lacp systempriority 22222
  • .lacp portpriority 44444 (Correct)
  • lacp portpriority 22222

Answer : .lacp portpriority 44444

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

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