640-875 試験問題を無料オンラインアクセス

An engineer with employee is planning the subnetting layout for their company and must create 30 networks each with 200 hosts. Which IP address meets this requirement using the longest prefix length possible?

• A.10.10.0.0/19
• B.10.10.0.0/18
• C.10.10.0.0/20
• D.10.10.0.0/17

Refer to the exhibit.

You want to accomplish the following:
* Change the active flow timeout to three minutes.
* Change the inactive flow to one minute.
Which two commands should you run? (Choose two.)

• A.(config)#ip flow-cache timeout active 180
• B.(config)#ip flow-cache timeout active 3
• C.(config)#ip flow-cache timeout inactive 1
• D.(config)#ip flow-cache timeout inactive 60

Generally, which way is the fastest to open S3 and S4 service requests to the Cisco TAC?

• A.Export the related Syslog/NetFlow information to TAC directly.
• B.Use the Smart Call Home feature.
• C.Call Cisco TAC on the phone.
• D.Use the online TAC Service Request Tool.
• E.Email Cisco TAC with a high-priority email.

Which field in the Ethernet header is used to forward Ethernet frames?

• A.source address
• B.destination address
• C.EtherType
• D.frame check sequence

Refer to the exhibit.

The netstat command is used to troubleshoot network issues at which OSI layer?

• A.application
• B.data link
• C.transport
• D.network