ccie routing and switching dumps

CCIE Routing and Switching (v5.0)

Question Answers Latest Update

Question No : 1

If you change the Spanning Tree Protocol from pvst to rapid-pvst, what is the effect on theinterface Fa0/1 port state?

A. It transitions to the listening state, and then the forwarding state.B. It transitions to the learning state and then the forwarding state.C. It transitions to the blocking state, then the learning state, and then the forwarding state.D. It transitions to the blocking state and then the forwarding state.

Answer: Chttp://www.pass4surebraindumps.com/400-101.html

http://www.pass4surebraindumps.com/400-101.html


Question No : 2

Which configuration is missing that would enable SSH access on a router that is runningCisco IOS XE Software?

A.int Gig0/0/0 management-interface

B. class-map ssh-class

match access-group protect-sshpolicy-map control-plane-in class ssh-classpolice 80000 conform transmit exceed dropcontrol-plane service-policy input control-plane-in

C. control-plane host management-interface GigabitEthernet0/0/0 allow ssh

D. interface Gig0/0/0 ip access-group protect-ssh in

Answer: C




Question No : 3

Which two options are causes of out-of-order packets? (Choose two.)

A. a routing loopB. a router in the packet flow path that is intermittently dropping packetsC. high latencyD. packets in a flow traversing multiple paths through the networkE. some packets in a flow being process-switched and others being interrupt-switched on atransit router

Answer: D,E




Question No : 4

A TCP/IP host is able to transmit small amounts of data (typically less than 1500 bytes), but attempts to transmit larger amounts of data hang and then time out. What is the cause of this problem?

A. A link is flapping between two intermediate devices.B. The processor of an intermediate router is averaging 90 percent utilization.C. A port on the switch that is connected to the TCP/IP host is duplicating traffic andsending it to a port that has a sniffer attached.D. There is a PMTUD failure in the network path.

Answer: D




Question No : 5

ICMP Echo requests from host A are not reaching the intended destination on host B. What is the problem?

A. The ICMP payload is malformed.B. The ICMP Identifier (BE) is invalid.C. The negotiation of the connection failed.D. The packet is dropped at the next hop.E. The link is congested.

Answer: D http://www.pass4surebraindumps.com/400-101.html



Question No : 6

Which statement is true?

A. It is impossible for the destination interface to equal the source interface.B. NAT on a stick is performed on interface Et0/0.C. There is a potential routing loop.D. This output represents a UDP flow or a TCP flow.

Answer: C




Question No : 7

Which three conditions can cause excessive unicast flooding? (Choose three.)

A. Asymmetric routingB. Repeated TCNsC. The use of HSRPD. Frames sent to FFFF.FFFF.FFFFE. MAC forwarding table overflowF. The use of Unicast Reverse Path Forwarding

Answer: A,B,E




Question No : 8

Which congestion-avoidance or congestion-management technique can cause global synchronization?

A. Tail dropB. Random early detectionC. Weighted random early detectionD. Weighted fair queuing

Answer: A




Question No : 9

Which two options are reasons for TCP starvation? (Choose two.)

A. The use of tail dropB. The use of WREDC. Mixing TCP and UDP traffic in the same traffic classD. The use of TCP congestion control

Answer: C,D




Question No : 10

Which type of port would have root guard enabled on it?

A. A root portB. An alternate portC. A blocked portD. A designated port

Answer: D




Question No : 11Refer to the exhibit.

Which action will solve the error state of this interface when connecting a host behind aCisco IP phone?

A. Configure dot1x-port control auto on this interfaceB. Enable errdisable recovery for security violation errorsC. Enable port security on this interfaceD. Configure multidomain authentication on this interface

Answer: D




Question No : 12 Refer to the exhibit.

While troubleshooting high CPU utilization on one of your Cisco Catalyst switches, you find that the issue is due to excessive flooding that is caused by STP. What can you do to prevent this issue from happening again?

A. Disable STP completely on the switch.B. Change the STP version to RSTP.C. Configure PortFast on port-channel 1.D. Configure UplinkFast on the switch.E. Configure PortFast on interface Gi0/15.

Answer: E http://www.pass4surebraindumps.com/400-101.html



Question No : 13

While troubleshooting high CPU utilization of a Cisco Catalyst 4500 Series Switch, younotice the error message that is shown in the exhibit in the log file.

What can be the cause of this issue, and how can it be prevented?A. The hardware routing table is full. Redistribute from BGP into IGP.B. The software routing table is full. Redistribute from BGP into IGP.C. The hardware routing table is full. Reduce the number of routes in the routing table.D. The software routing table is full. Reduce the number of routes in the routing table.

Answer: C





All switches have default bridge priorities, and originate BPDUs with MAC addresses as indicated. The numbers shown are STP link metrics. Which two ports are forwarding traffic after STP converges? (Choose two.)

A. The port connecting switch SWD with switch SWEB. The port connecting switch SWG with switch SWFC. The port connecting switch SWC with switch SWED. The port connecting switch SWB with switch SWC

Answer: C,D


Which three statements about the output are true? (Choose three.)

A. An mrouter port can be learned by receiving a PIM hello packet from a multicast router.B. This switch is configured as a multicast router.C. Gi2/0/1 is a trunk link that connects to a multicast router.D. An mrouter port is learned when a multicast data stream is received on that port from a multicast router.E. This switch is not configured as a multicast router. It is configured only for IGMP snooping.F. IGMP reports are received only on Gi2/0/1 and are never transmitted out Gi2/0/1 for VLANs 10 and 20.

Answer: A,B,C




Question No : 16

If a port is configured as shown and receives an untagged frame, of which VLAN will the untagged frame be a member?

A. VLAN 1B. VLAN 2C. VLAN 3D. VLAN 4

Answer: B

Refer to the exhibit.


Which statement describes the effect on the network if FastEthernet0/1 goes down temporarily?

A. FastEthernet0/2 forwards traffic only until FastEthernet0/1 comes back up.B. FastEthernet0/2 stops forwarding traffic until FastEthernet0/1 comes back up.C. FastEthernet0/2 forwards traffic indefinitely.D. FastEthernet0/1 goes into standby.

Answer: C http://www.pass4surebraindumps.com/400-101.html



Question No : 18Refer to the exhibit.

Which technology does the use of bi-directional BPDUson all ports in the topology support?

A. RSTPB. MSTC. Bridge AssuranceD. Loop GuardE. Root GuardF. UDLD

Answer: Chttp://www.pass4surebraindumps.com/400-101.html



Question No : 19

Which three statements are true about PPP CHAP authentication? (Choose three.)

A. PPP encapsulation must be enabled globally.B. The LCP phase must be complete and in closed state.C. The hostname used by a router for CHAP authentication cannot be changed.D. PPP encapsulation must be enabled on the interface.E. The LCP phase must be complete and in open state.F. By default, the router uses its hostname to identify itself to the peer.

Answer: D,E,F




Question No : 20

Which two statements are true about an EPL? (Choose two.)

A. It is a point-to-point Ethernet connection between a pair of NNIs.B. It allows for service multiplexing.C. It has a high degree of transparency.D. The EPL service is also referred to as E-line.

Answer: C,D




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ccie routing and switching dumps

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