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시험 번호/코드: 351-001
시험 이름: Cisco (CCIE Routing and Switching Written)
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Q&A: 238 문항
업데이트: 2013-10-20
만약 아직도Cisco 351-001인증시험 위하여 많은 시간과 정력을 소모하며 열심히 공부하고 있습니까? 아직도 어덯게하면Cisco 351-001인증시험을 빠르게 취득할 수 있는 방법을 못찿고 계십니까? 지금ITExamDump에서Cisco 351-001인증시험을 안전하게 넘을 수 있도록 대책을 내드리겠습니다. 아주 신기한 효과가 있을 것입니다.
이 글을 보시게 된다면Cisco인증 351-001시험패스를 꿈꾸고 있는 분이라고 믿습니다. Cisco인증 351-001시험공부를 아직 시작하지 않으셨다면 망설이지 마시고ITExamDump의Cisco인증 351-001덤프를 마련하여 공부를 시작해 보세요. 이렇게 착한 가격에 이정도 품질의 덤프자료는 찾기 힘들것입니다. ITExamDump의Cisco인증 351-001덤프는 고객님께서 Cisco인증 351-001시험을 패스하는 필수품입니다.
351-001 덤프무료샘플다운로드하기: http://www.itexamdump.com/351-001.html
NO.1 Which two of these are used in the selection of a root bridge in a network utilizing Spanning Tree
Protocol IEEE 802.1D.? (Choose two)
A. Designated Root Cost
B. bridge ID priority
C. max age
D. bridge ID MAC address
E. Designated Root Priority
F. forward delay
Answer: BD
Cisco자료 351-001 351-001
NO.2 What two features in Cisco switches help prevent Layer 2 loops? (Choose two)
A. UniDirectional Link Detection
B. Hot Standby Router Protocol
C. Virtual Router Redundancy Protocol
D. PortFast
E. Root guard
F. Loop guard
Answer: AF
Cisco 351-001 351-001시험문제
NO.3 What is the purpose of the STP PortFast BPDU guard feature?
A. enforce the placement of the root bridge in the network
B. ensure that a port is transitioned to a forwarding state quickly if a BPDU is received
C. enforce the borders of an STP domain
D. ensure that any BPDUs received are forwarded into the STP domain
Answer: C
Cisco 351-001 351-001 351-001최신덤프
NO.4 When STP UplinkFast is enabled on a switch utilizing the default bridge priority, what will the new bridge
priority be changed to?
A. 8192
B. 16384
C. 49152
D. 65535
Answer: C
Cisco dumps 351-001시험문제 351-001 dump
NO.5 You have done a partial migration from 802.1D STP to 802.1w STP. Which of the following is true?
A. 802.1D and 802.1w interoperate only when the 802.1D STP domain supports rapid convergence.
B. Ports leading to 802.1D devices will run in compatibility mode, while the rest of the ports will run in
802.1w mode.
C. This is an invalid configuration and a partial migration cannot be done.
D. The bridge timers will be set to match the 802.1D devices.
E. A secondary root bridge will always be populated within the 802.1D domain.
F. If the root bridge is selected within the 802.1D domain, the whole STP domain will run in 802.1D
compatibility mode.
G. In partially migrated 802.1w networks, it is recommended to keep the STP diameter below 4.
Answer: B
Cisco 351-001기출문제 351-001
NO.6 Refer to the exhibit.
Which switching feature is being tested?
A. loop guard
B. PortFast
C. root guard
D. BDPU guard
Answer: A
Cisco pdf 351-001자격증 351-001자격증 351-001
NO.7 Prior to 802.1w, Cisco implemented a number of proprietary enhancements to 802.1D to improve
convergence in a Layer 2 network. Which statement is correct?
A. Only UplinkFast and BackboneFast are specified in 802.1w; PortFast must be manually configured.
B. Only PortFast is specified in 802.1w; UplinkFast and BackboneFast must be manually configured.
C. None of the proprietary Cisco enhancements are specified in 802.1w.
D. PortFast, UplinkFast, and BackboneFast are specified in 802.1w.
Answer: D
Cisco 351-001 dumps 351-001 pdf 351-001
NO.8 Which of these correctly identifies a difference between the way BPDUs are handled by 802.1w and
802.1D?
A. 802.1D bridges do not relay BPDUs.
B. 802.1w bridges do not relay BPDUs.
C. 802.1D bridges only relay BPDUs received from the root.
D. 802.1w bridges only relay BPDUs received from the root.
Answer: C
Cisco 351-001 351-001
NO.9 Loop guard and UniDirectional Link Detection both protect against Layer 2 STP loops. In which two
ways does loop guard differ from UDLD in loop detection and prevention? (Choose two)
A. Loop guard can be used with root guard simultaneously on the same port on the same VLAN while
UDLD cannot.
B. UDLD protects against STP failures caused by cabling problems that create one-way links.
C. Loop guard detects and protects against duplicate packets being received and transmitted on different
ports.
D. UDLD protects against unidirectional cabling problems on copper and fiber media.
E. Loop guard protects against STP failures caused by problems that result in the loss of BPDUs from a
designated switch port
Answer: BE
Cisco 351-001 351-001 dumps 351-001시험문제 351-001 pdf
NO.10 Spanning Tree Protocol calculates path cost based on which of these?
A. interface bandwidth
B. interface delay
C. interface bandwidth and delay
D. hop count
E. bridge priority
Answer: A
Cisco시험문제 351-001 351-001 351-001시험문제
NO.11 Refer to the exhibit.
In the diagram, the switches are running IEEE 802.1s MST. Which ports are in the MST blocking state?
A. GE-1/2 and GE-2/1
B. GE-1/1 and GE-2/2
C. GE-3/2 and GE-4/1
D. no ports are in the blocking state
E. There is not enough information to determine which ports are in the blocking state.
Answer: D
Cisco 351-001인증 351-001 351-001 351-001시험문제 351-001
NO.12 Under which two circumstances would an RSTP bridge flush its CAM table? (Choose two)
A. Upon a port state change
B. Upon receiving a topology change notification
C. When transitioning from discarding to forwarding
D. When transitioning from forwarding to discarding
E. Only when changing from listening to discarding
F. When CAM resources have been completely used up
Answer: BC
Cisco 351-001 pdf 351-001
NO.13 Why does RSTP have a better convergence time than 802.1D?
A. It is newer
B. It has smaller timers
C. It has less overhead
D. It is not timer-based
Answer: D
Cisco 351-001 351-001 351-001인증
NO.14 Spanning Tree Protocol IEEE 802.1s defines the ability to deploy which of these?
A. one global STP instance for all VLANs
B. one STP instance for each VLAN
C. one STP instance per set of VLANs
D. one STP instance per set of bridges
Answer: C
Cisco 351-001덤프 351-001최신덤프
NO.15 Which three port states are used by RSTP 802.1w? (Choose three.)
A. Listening
B. Learning
C. Forwarding
D. Blocking
E. Discarding
F. Disabled
Answer: BCE
Cisco자료 351-001 pdf 351-001 dump
NO.16 Refer to the exhibit.
In the diagram, the switches are running IEEE 802.1w RSPT.
On which ports should root guard be enabled in order to facilitate deterministic root bridge election under
normal and failure scenarios?
A. GE-3/1, GE-3/2
B. FE-2/1, FE-3/2
C. GE-1/1.GE-1/2
D. GE-4/1, GE-4/2
E. GE-2/1, GE-2/2
F. GE-3/1, GE-3/2, GE-4/1, GE-4/2, FE-2/1, FE-3/2
Answer: F
Cisco 351-001자료 351-001최신덤프 351-001최신덤프
NO.17 The classic Spanning Tree Protocol (802.1D 1998) uses which sequence of variables to determine the
best received BPDU?
A. 1) lowest root bridge id,
2) lowest sender bridge id,
3) lowest port id,
4) lowest root path cost
B. 1) lowest root path cost,
2) lowest root bridge id,
3) lowest sender bridge id,
4) lowest sender port id
C. 1) lowest root bridge id,
2) lowest sender bridge id,
3) lowest root path cost
4) lowest sender port id
D. 1) lowest root bridge id,
2) lowest root path cost,
3) lowest sender bridge id,
4) lowest sender port id
Answer: D
Cisco dumps 351-001최신덤프 351-001
NO.18 As a network administrator, can you tell me what the root guard feature provides in a bridged network?
A. It ensures that BPDUs sent by the root bridge are forwarded in a timely manner
B. It enforces the root bridge placement in the network
C. It ensures that all ports receiving BPDUs from the root bridge are in the forwarding state.
D. It ensures that the bridge is elected as Root Bridge in the network.
Answer: B
Cisco 351-001 351-001자료
NO.19 Which standard supports multiple instances of spanning tree?
A. 802.1D
B. 802.1s
C. 802.1w
D. 802.1z
Answer: B
Cisco시험문제 351-001 pdf 351-001자료 351-001자격증
NO.20 If a port configured with STP loop guard stops receiving BPDUs, the port will be put into which state?
A. learning state
B. listening state
C. forwarding state
D. loop-inconsistent state
Answer: D
Cisco 351-001최신덤프 351-001시험문제
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