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What is the difference between the Ethanalyzer and the SPAN feature in Cisco NX-OS？（）A、 The Ethanalyzer captures control-plane traffic， while SPAN captures all traffic.B、 The Ethanalyzer captures all traffic including control-plane traffic， while SPAN cap

题目

What is the difference between the Ethanalyzer and the SPAN feature in Cisco NX-OS？（）

  • A、 The Ethanalyzer captures control-plane traffic， while SPAN captures all traffic.
  • B、 The Ethanalyzer captures all traffic including control-plane traffic， while SPAN captures only the control-plane traffic.
  • C、 The Ethanalyzer captures only data traffic， while SPAN captures all traffic.
  • D、 The Ethanalyzer captures only control traffic， while SPAN captures data traffic.
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相似问题和答案

第1题：

An administrator is troubleshooting a communication issue between two computers on the sameLayer 2 switch.Which of the following is the BEST way to determine if the switch is causing the issue?()

A. Setup an ACL that allows and logs all IP traffic between the two computers

B. Configure a spanning tree to check for a loop

C. Setup a span port on the switch to watch for CRC errors

D. Connect both computers using a crossover cable


参考答案：D

第2题：

What occurs on a Frame Relay network when the CIR is exceeded?()

A.All TCP traffic is marked discard eligible.

B.All UDP traffic is marked discard eligible and a BECN is sent.

C.All TCP traffic is marked discard eligible and a BECN is sent.

D.All traffic exceeding the CIR is marked discard eligible.


参考答案：D

第3题：

What are some of the characteristics of a typical VLAN arrangement, found throughout the Ezonexam switched LAN? (Select all that apply)

A. VLANs logically divide a switch into multiple, independent switches at Layer 2.

B. Trunk links can carry traffic for multiple VLANs.

C. VLAN implementation significantly increases traffic due to added trunking information.

D. A VLAN can span multiple switches.

E. VLANs typically increase the number of switches needed

F. VLANs typically decrease the number of switches needed


正确答案：ABD
A,B,D 解析：Explanation:
VLANs give you the power of making virtual LAN networks to subdivide collision domains into smaller units of functionality, without being limited by physical location.

A is correct because that is the exact function of a VLAN. B is correct because trunk links are used to carry traffic for multiple VLANs. D is correct because a VLAN can and often does span across multiple switches. VTP makes this possible.

Incorrect Answers:
C. Although trunking information does indeed add some level of overhead, the overall traffic overhead is greatly reduced though the use of VLANs.

E, F. The number of total switches needed in a network is the result of the number of devices on the entire LAN that need to be connected. Whether VLANs are used or not will have little, if any, impact on the total number of switches needed in a LAN.

第4题：

On your newly installed router, you apply the access list illustrated below to interface Ethernet 0 on a Cisco router. The interface is connected to the 192.168.1.8/29 LAN. access-list 123 deny tcp 192.168.166.18 0.0.0.7 eq 20 any access-list 123 deny tcp 192.168.166.18 0.0.0.7 eq 21 any How will the above access lists affect traffic?（）

  • A、All traffic will be allowed to exit E0 except FTP traffic.
  • B、FTP traffic from 192.168.166.19 to any host will be denied.
  • C、FTP traffic from 192.168.166.22 to any host will be denied.
  • D、All traffic exiting E0 will be denied.
  • E、All FTP traffic to network 192.168.166.18/29 from any host will be denied.

正确答案:D

第5题：

Overlay Transport Virtualization （OTV） uses the Authoritative Edge Device （AED） to perform which tasks？（）

  • A、 The AED is responsible for sending all unicast traffic in a site， while either node in a site can transmit multicast and broadcast.
  • B、 The AED is responsible for load balancing all traffic for all VLANs across the transport network.
  • C、 The AED is responsible for handling all unicast， broadcast， and multicast traffic for a given VLAN within a site.
  • D、 The AED is responsible for MAC address dispute contention for a given VLAN.

正确答案:C

第6题：

What protection method is used in 4F BLSR networks?()

A. Each fiber has half of its SONET capacity reserved for protection.

B. Two fibers in the span carry working traffic, while the other two fibers in the span are reserved for protection.

C. The signal is sent simultaneously in both directions around the ring. The receiver determines which fiber to listen to based on signal quality.

D. The signal is sent simultaneously in both directions around the ring. The transmitter determines which fiber has the working bit set for the receiver to acknowledge.


参考答案：B

第7题：

What is implied in “if you do get on eventually，just make sure to take both ways before crossing the street!”?

A You will be too excited to watch the traffic.
B Enjoying electronic devices while walking may invite traffic accidents.
C It is not possible for you to get such a backpack.
D It is wise of you to have such a backpack.

答案：B
解析：

第8题：

Based on the configuration shown in the exhibit, what will happen to the traffic matching the securitypolicy?()

A. The traffic is permitted through the myTunnel IPSec tunnel only on Tuesdays.

B. The traffic is permitted through the myTunnel IPSec tunnel daily, with the exception of Mondays.

C. The traffic is permitted through the myTunnel IPSec tunnel all day on Mondays, Wednesdays between 7:00 am and 6:00 pm, and Thursdays between 7:00 am and 6:00 pm.

D. The traffic is permitted through the myTunnel IPSec tunnel all day on Mondays, Wednesdays between 6:01 pm and 6:59 am, and Thursdays between 6:01 pm and 6:59 am.


参考答案：C

第9题：

What occurs on a Frame Relay network when the CIR is exceeded?（）

  • A、All TCP traffic is marked discard eligible
  • B、All UDP traffic is marked discard eligible and a BECN is sent
  • C、All TCP traffic is marked discard eligible and a BECN is sent
  • D、All traffic exceeding the CIR is marked discard eligible

正确答案:D

第10题：

What is the function of the command switchport trunk native vlan 999 on a？（）

  • A、It designates VLAN 999 for untagged traffic.
  • B、It blocks VLAN 999 traffic from passing on the trunk.
  • C、It createsa VLAN 999 interface.
  • D、It designates VLAN 999 as the default for all unkown tagged traffic.

正确答案:D

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