A company has attempted to introduce a new major network segment to allow growth in capacity.
On the core switch, a GBIC was used to interconnect with a newly placed downstream distribution
switch for the first time. Soon after this implementation, a network flood and an outage occurred
between the core and new distribution network modules. Which of the following should the
network administrator troubleshoot FIRST in order to rectify the issue?

Which of the following is the common port used for IMAP?

A network administrator is troubleshooting an intermittent network issue between devices that
have a particularly long cable run. The issue was escalated to a network designer who alluded to
potential attenuation issues. Which of the following BEST describes what the network designer
was referring to?

Before installing a wireless network, which of the following should Kim, a network technician, take into consideration to reduce signal exposure for war drivers?

A network administrator notices that all of the company switches are running at capacity on a
given day, which is abnormal according to network baselines taken recently. Which tool would
BEST allow the administrator to inspect what type of traffic is on the network?

Which of the following OSI model layers is between the data link and transport layers?

Which of the following commands will display the associated IP address of a network adapter in
Windows and Linux environments? (Select TWO).

Which of the following subnet masks would allow for 192.168.0.3 and 192.168.0.240 to be in the same subnet?

A network technician is trying to terminate CAT5 modular jacks. Which of the following tools would
be MOST appropriate for this scenario?

Which of the following ports should be allowed through a firewall to allow DNS resolution to occur to an outside DNS server?