CompTIA Security+ (2008 Edition)

A company is upgrading the network and needs to reduce the ability of users on the same floor and network segment to see each other's traffic. Which of the following network devices should be used?

In computing, a Uniform Resource Locator (URL) is a type of Uniform Resource Identifier (URI) that specifies where an identified resource is available and the mechanism for retrieving it. When a user attempts to go to a website, he notices the URL has changed, which attack will MOST likely cause the problem?

What does the DAC access control model use to identify the users who have permissions to a resource?

After analyzing vulnerability and applying a security patch, which non-intrusive action should be taken to verify that the vulnerability was truly removed?

A denial-of-service attack (DoS attack) or distributed denial-of-service attack (DDoS attack) is an attempt to make a computer resource unavailable to its intended users. Which method can be used to perform denial of service (DoS) attacks?

The CHAP (Challenge Handshake Authentication Protocol) sends a logon request from the client to the server, and the server sends a challenge back to the client. At which stage does the CHAP protocol perform the handshake process? Choose the best complete answer.

A network intrusion detection system (NIDS) is an intrusion detection system that tries to detect malicious activity such as denial of service attacks, port scans or even attempts to crack into computers by monitoring network traffic. Which NIDS configuration is solely based on specific network traffic?

Which of the following are nonessential protocols and services?

You work as a network technician for your company. The company policy for availability needs full backups on Sunday and incremental backups each week night at 10 p.m. The file server crashes on Wednesday afternoon; how many types are required to restore the data on the file server for Thursday morning?

Which of the following protocols are not recommended due to them supplying passwords and information over the network?