How does NIS provide functionality like a DNS server?

Kathy works in an all-Windows environment and has been told that a Unix network needs to also be set up to support some new applications that cannot run on Windows systems. She has read that she needs to set up an NIS server. Why would she need to set this up?

The countermeasure to DNS poisoning is DNSSec. How does it work?

Julie has been told that her company has been the victim of a DNS poisoning attack. What were the symptoms that were mostly identified to indicate this type of attack?

Sam and a forensics team investigated and caught a hacker that had been attacking systems within their network. Sam uncovered a complete topology of their network, along with IP addresses, services running, and accounts for each and every device on the network. What did the hacker most likely carry out to obtain this information?

Toby has been asked by his boss to set up a three-tiered configuration within the companys network. Which of the following best describes this type of architecture?

What is the countermeasure for wormhole attacks?

Paul is a network administrator of the ACME wired and wireless LANs. One of his engineers says that they have experienced wormhole attacks over the last month. What does this mean?

Which of the following controls would stop attacks that are carried out by manipulating router route tables?

What is a routing policy and what is it used for?