Which of the following would the telecommunications carrier use to segregate customer traffic over
long fiber links?

An administrator notices SMTP traffic is being blocked by the company firewall. Which of the
following ports should be opened?

Which of the following network topologies would be separated into two networks if a client in the
middle is removed or the cable is cut?

Which of the following is an example of a Class C address?

Which of the following standards can operate at either 20MHz or 40MHz channel spacing?

A network technician has just upgraded a switch. The new switch’s IP range and subnet mask
correctly match other network devices. The technician cannot ping any device outside of the
switch’s own IP subnet. The previous switch worked correctly with the same settings. Which of the

following is MOST likely the problem?

Joe has a small office and is looking to replace his phone system with a lower cost solution that
requires minimal in-house support. Which of the following is the BEST choice?

Which of the following performance optimization techniques would be MOST beneficial for a
network-wide VoIP setup? (Select TWO).

A customer has requested a solution using multiple WAPs for wireless access. Which of the
following should be different on each WAP to prevent wireless problems?

Which of the following wireless standards has a MAXIMUM transfer rate of 11Mbps?