A network technician is troubleshooting a network connection error when pinging the default gateway no reply is
received. The default gateway is found to be functioning properly but cannot connect to any workstations. At
which of the following OSI layers could the problem exist? (Select TWO)

Routing prefixes which are assigned in blocks by IANA and distributed by the Regional Internet Registry (RIR)
are know as which of the following?

A desktop computer is connected to the network and receives an APIPA address but is unable to reach the
VLAN gateway of 10.10.100.254. Other PCs in the VLAN subnet are able to reach the Internet. Which of the
following is MOST likely the source of the problem?

Which of the following connection types is used to terminate DS3 connections in a telecommunications facility?

After connecting a workstation directly to a small business firewall, a network administrator is trying to manage
it via HTTPS without losing its stored configuration. The only two pieces of information that the network
administrator knows about the firewall are the management interface MAC address, which is
01:4a:d1:fa:b1:0e, and the administrator’s password. Which of the following will allow the administrator to log
onto the firewall via HTTPS if the management’s IP address is unknown and the administrator’s workstation IP
address is 192.168.0.10/23?

A network technician is troubleshooting a problem at a remote site. It has been determined that the connection
from router A to router B is down. The technician at the remote site re-terminates the CAT5 cable that connects
the two routers as a straight through cable. The cable is then tested and is plugged into the correct interface.
Which of the following would be the result of this action?

A network technician has detected a personal computer that has been physically connected to the corporate
network. Which of the following commands would the network technician use to locate this unauthorized
computer and determine the interface it is connected to?

A network technician has received comments from several users that cannot reach a particular website. Which
of the following commands would provide the BEST information about the path taken across the network to this
website?

A network engineer is dispatched to an employee office to troubleshoot an issue with the employee’s laptop.
The employee is unable to connect to local and remote resources. The network engineer flips the laptop’s
wireless switch on to resolve the issue. At which of the following layers of the OSI model was the issue
resolved?

A network engineer is troubleshooting an issue with a computer that is unable to connect to the Internet. The
network engineer analyzes the following output from a command line utility:
Network Destination Netmask Gateway Interface
192.168.1.0 255.255.255.0 192.168.1.254 eth0
192.168.1.10 255.255.255.255 192.168.1.10 eth0
127.0.0.1 255.0.0.0 On-Link lo
127.0.0.0 255.0.0.0 On-Link lo
255.255.255.255 255.255.255.255 102.168.1.10 eth0
Which of the following is the reason for the computer issue, given the above output?