Computer Networking
What is the purpose of Spanning Tree Protocol in a switched LAN?

To create collision domains
To prevent routing loops in networks with redundant paths
To prevent switching loops in networks with redundant switched paths
To manage the VLAN database across multiple switches
To provide a mechanism for network monitoring in switched environments

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Computer Networking
TCP is:

Connection orientated and unreliable
Connectionless and unreliable
None of these
Operates at the Data Link layer
Connection orientated and reliable

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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?

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

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