An access control list (ACL) focuses on controlling a specific user’s or client’s access to a protocol or port.

A demilitarized zone (DMZ) is a boundary network that hosts resource servers for the public Internet.

Depending on the firewall, a single rule can sometimes define outbound and inbound communication parameters.

A company’s IT security engineer has noticed several employees periodically checking their social media accounts. One such platform allows chat, which can include sharing links, photos, and videos. When the engineer casually observes one user about to click a link to view a video, she stops the worker. Afterward, she approaches the chief information officer (CIO) and advises that all social media accounts be blocked, and that only online training videos authorized by the company be allowed to be viewed. What threat is the IT security engineer concerned about?

Bryanna is a network engineer. She is devising a plan to help her company’s infrastructure transition from IPv4 to IPv6 addressing. She selects a solution where both IPv4 and IPv6 protocol stacks coexist in the same network equipment, allowing network communication using both protocols. Which solution did she choose?

A company’s IT security engineer has noticed several employees periodically checking their social media accounts. One such platform allows chat, which can include sharing links, photos, and videos. When the engineer casually observes one user about to click a link to view a video, she stops the worker. Afterward, she approaches the chief information officer (CIO) and advises that all social media accounts be blocked, and that only online training videos authorized by the company be allowed to be viewed. What threat is the IT security engineer concerned about?

In a password system, increasing the work factor results in which of the following? Select all that apply.

Felicia is a network engineer deploying a virtual private network (VPN) solution. The VPN operates using Secure Shell (SSH). When asked by a new help desk tech about which layer of the OSI model it employs, how does Felicia answer?

You are setting up a small home network. You want all devices to communicate with each other. You assign IPv4 addresses between 10.10.10.1 and 10.10.10.8 to the devices. What processes must still be configured so that these nodes can communicate with the Internet?

John is a network engineer for Virginia Community College System (VCCS). The chief information officer (CIO) wants the customer web portal downtime to be reduced from 5 minutes per year to 30 seconds per year. The change should occur over the next 6 months. Which security objective must John employ to accomplish this goal?