At which of the following layers of the OSI model is the Logical Link Control found?

A company has a total of two public IP addresses and must allow 150 devices to connect to the
Internet at the same time. Which of the following is the BEST option for connectivity?

A network administrator is configuring PXE boot to reimage a computer lab. Which of the following
must be configured on the existing DHCP server to specify the IP address of the imaging server from
which the clients must boot?

During business hours, users at a small office are reporting that all of a sudden they are unable to
reach any host on the Internet, but they can still use the network shares to transfer files within the
office. Which of the following is the MOST likely cause of the outage?

Which of the following ports does IMAP use by default?

Which of the following cables would BEST be used to extend a network through an 80 feet (262
meters) machine shop that has many high voltage machines and generators running?

Which of the following wiring components is used as a central point of termination for all network
jacks through a building area?

Which of the following network topologies is MOST commonly used by online file sharing websites?

Which of the following antenna types has a flat circular radiation pattern?

Which of the following is associated with DNS reverse lookup zones?