When an organization splits naming zones, the names of its hosts that are only accessible from an intranet are hidden from the Internet. Which of the following best describes why this is done?

Which of the following does not describe IP telephony security?

Which of the following categories of routing protocols builds a topology database of the network?

Both de facto and proprietary interior protocols are in use today. Which of the following is a proprietary interior protocol that chooses the best path between the source and destination?

Which of the following incorrectly describes how routing commonly takes place on the Internet?

Angela wants to group together computers by department to make it easier for them to share network resources. Which of the following will allow her to group computers logically?

Cross-site scripting (XSS) is an application security vulnerability usually found in Web applications. What type of XSS vulnerability occurs when a victim is tricked into opening a URL programmed with a rogue script to steal sensitive information?

IP telephony networks require the same security measures as those implemented on an IP data network. Which of the following is unique to IP telephony?

DNS is a popular target for attackers due to its strategic role on the Internet. What type of attack uses recursive queries to poison the cache of a DNS server?

Which of the following correctly describes Bluejacking?