A host-to-host virtual private network (VPN) is a direct VPN connection between one host and another.

Before an Internet user can access a demilitarized zone (DMZ), extranet, or private network resource, it first encounters an entity that is sturdy enough to withstand any sort of attack. What is this entity called?

A drawback of multiple-vendor environments is the amount of network staff training that is typically needed.

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A good practice is to trust no network traffic until it is proved to comply with security policy.

Amy is a network engineering consultant. She is designing security for a small to medium-sized government contractor working on a project for the military. The government contractor’s network is comprised of 30 workstations plus a wireless printer, and it needs remote authentication. Which of the following is a type of authentication solution she should deploy?

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?

A company uses an Internet Protocol Security (IPSec) virtual private network (VPN) solution. It allows remote users to connect to the main office and allows communication between the main office and branch offices securely over the Internet. The main office network uses network address translation (NAT) with an internal IP address range of 192.168.0.1 to 192.168.0.254. Which of the following ranges must remote offices and users NOT use on their internal networks?

Amy is a network engineering consultant. She is designing security for a small to medium-sized government contractor working on a project for the military. The government contractor’s network is comprised of 30 workstations plus a wireless printer, and it needs remote authentication. Which of the following is a type of authentication solution she should deploy?

A drawback of multiple-vendor environments is the amount of network staff training that is typically needed.