현재 많은 IT인사들이 같은 생각을 하고 있습니다. 그것은 바로  Cisco 350-001 (CCIE Cisco Certified InterNetworking Expert)  인증시험 자격증 취득으로 하여 IT업계의 아주 중요한 한걸음을 내딛이는 것입니다.그만큼  Cisco 350-001 (CCIE Cisco Certified InterNetworking Expert)   인증시험의 인기는 말 그대로 하늘을 찌르고 있습니다.Pass4Test는 많은 IT인사들이  Cisco 350-001 (CCIE Cisco Certified InterNetworking Expert)  인증시험에 참가하는데 완벽한  Cisco 350-001 (CCIE Cisco Certified InterNetworking Expert)  인증시험자료를 제공해드려 여러분들이 안전하게   Cisco 350-001 (CCIE Cisco Certified InterNetworking Expert)  인증시험 자격증을 취득하게 하는 사이트입니다. Pass4Test의 자료들은 모두 Pass4Test의 전문가들의 연구와 노력 끝에  퍼펙트하게 만들어진 것입니다.우리 덤프들은 최고의 품질을 보장하며 업데이트스피드 또한 아주 빠릅니다.우리의 덤프는 모두 실제시험을 커버하여 최고의 적중율을 약속합니다.Pass4Test의 제품은 고난이도인   Cisco 350-001 (CCIE Cisco Certified InterNetworking Expert)  시험을 한방에 패스하는데 도움드려 여러분의 사업에 많은 이익이 되어드립니다.Pass4Test가 제공하는 제품을 사용함으로 여러분은 IT업계 하이클래스와 멀지 않았습니다. Pass4Test 가 제공하는 인증시험 덤프는 여러분이  Cisco 350-001 (CCIE Cisco Certified InterNetworking Expert)  시험을 안전하게 통과하는데는  물론 관연 전업 지식 장악에도 많은 도움을 드립니다.

 

 

NO.1 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

NO.2 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

NO.3 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

NO.4 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

NO.5 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

NO.6 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

NO.7 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

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

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

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

NO.11 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

NO.12 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

NO.13 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

NO.14 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

NO.15 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

NO.16 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

NO.17 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

NO.18 Which standard supports multiple instances of spanning tree?
A. 802.1D
B. 802.1s
C. 802.1w
D. 802.1z
Answer: B

NO.19 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

NO.20 Refer to the exhibit.
Which switching feature is being tested?
A. loop guard
B. PortFast
C. root guard
D. BDPU guard
Answer: A