Computer Networking
You want to create a standard access list that denies the subnet of the following host: 172.16.144.17/21. Which of the following would you start your list with?

access-list 10 deny 172.16.144.0 0.0.7.255
access-list 10 deny 172.16.136.0 0.0.15.255
access-list 10 deny 172.16.48.0 255.255.240.0
access-list 10 deny 172.16.64.0 0.0.31.255

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Computer Networking
You are working with a network that has the network ID 10.9.0.0 and contains 73 networks. In the next year, you will be adding an additional 27 branch offices to your company. For simplified management, you want to keep the most possible hosts per subnet. Which subnet mask should you management, you want to keep the most possible hosts per subnet. Which subnet mask should you use?

255.254.0.0
255.240.0.0
255.224.0.0
255.252.0.0
255.248.0.0

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Computer Networking
What does a VLAN do?

Acts as the fastest port to all servers.
Provides multiple collision domains on one switch port.
Breaks up broadcast domains in a layer 2 switch internetwork.
Provides multiple broadcast domains within a single collision domain.

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Computer Networking
You configure the following access list:access-list 110 deny tcp 10.1.1.128 0.0.0.63 any eq smtpaccess-list 110 deny tcp any eq 23int ethernet 0ip access-group 110 outWhat will the result of this access list be?

Everything but email and Telnet will be allowed out E0.
Email and Telnet will be allowed in E0.
Email and Telnet will be allowed out E0.
No IP traffic will be allowed out E0.

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