You are employed as a network administrator at ABC.com.
ABC.com has its headquarters in Dallas, and a new branch office Miami. The networks in both of
these offices are connected to the internet.
You have been instructed to devise a solution to allow the sharing of data and access to network
resources in a secure manner.
Which of the following actions should you take?

You are employed as a network technician at ABC.com.
ABC.com is planning to replace their existing network cabling. ABC.com has requested that the
cabling be replaced with Fiber-optic cable.
Which of the following are benefits of using Fiber-optic cable? (Choose all that apply.)

You are employed as a network technician at ABC.com.
ABC.com is planning to replace their existing network cabling. ABC.com has requested that the
cabling be replaced with Fiber-optic cable.
Which of following options best describe the construction of Fiber-optic cables?

You are employed as a senior administrator at ABC.com.
You are responsible for running training exercises for trainee administrators. You are currently
covering the layers of the Open Systems Interconnect (OSI) model.
You are explaining the presentation layer.

Which of the following best describes the presentation layer of the OSI model?

You are employed as a senior administrator at ABC.com.
You are responsible for running training exercises for trainee administrators. You are currently
covering the layers of the Open Systems Interconnect (OSI) model.
You are explaining the network layer.
Which of the following best describes the network layer of the OSI model?
E.The network layer deals with the transmission and reception of the unstructured raw bit stream
over a physical medium.
F.The network layer controls the operation of the subnet.
G.The network layer deals with error-free transfer of data frames from one node to another over
the physical layer.
H.The network layer makes sure that messages are conveyed error-free, sequentially, and with no
losses or duplications.

You are employed as an administrator at ABC.com. ABC.coms network is TCP/IP-based.
ABC.com makes use of DNS for name resolution. You are hosting a training exercise for junior
administrators. You are discussing AAAA DNS resource records.
Which of the following statements regarding AAAA resource records are TRUE?

You are employed as an administrator at ABC.com. ABC.coms network is TCP/IP-based.

You have executed the NETSTAT command without parameters from the command-line on your
workstation.
Which of the following describes the reason for executing this command?

You are employed as a network technician at ABC.com.
You are connecting a new workstation to the network. The workstation includes a network adapter
card that has a RJ-45 input.
Which of the following actions should you take?

You work as a network designer at ABC.com.
ABC.coms network is designed to have a combination of Bus, Star and ring network topologies.
Which of the following describes this type of network topology?

You work as a technician at ABC.com. ABC.com provides networking services to external
customers.
You are configuring a wireless home network for a ABC.com customer, named Mia Hamm.
Subsequent to manually configuring the wireless clients with the correct SSID, you disable SSID
broadcast.
Which of the following is a valid reason for doing that?