Which of the following is a signature-based intrusion detection system (IDS) ?

John works as a Website Administrator in ABC Inc. The users of the company always use Internet Explorer for Web browsing. One of the users opens the Privacy tab page in the Internet Options dialog box and configures the privacy settings for the Internet zone as displayed in the following images:


Which of the following statements regarding the configurations are true?
Each correct answer represents a complete solution. Choose all that apply.

You work as a Network Administrator for Net World Inc. The company has a Windows Active Directory-based single domain single forest network. The functional level of the forest is Windows Server 2003. A Public Key Infrastructure (PKI) is installed on a server in the domain. You are planning to go on vacation for two weeks. Your team has three assistant administrators. You are required to accomplish the following tasks:
Delegate the authority to the assistant administrators to issue, approve, and revoke certificates.
The solution must involve least administrative burden.
Which of the following steps will you take to accomplish the tasks?

You work as a Network Administrator for Tech Perfect Inc. The company has a Windows Server
2008 Active Directory-based single domain single forest network. The functional level of the forest is Windows Server 2008. The company's headquarters is located at Los Angeles. A branch office of the company is located at Denver. You are about to send a message to Rick who is a Network Administrator at Denver. You want to ensure that the message cannot be read by anyone but the recipient. Which of the following keys will you use to encrypt the message?

US Garments wants all encrypted data communication between corporate office and remote location. They want to achieve following results:
* Authentication of users
* Anti-replay
* Anti-spoofing
* IP packet encryption
They implemented IPSec using Authentication Headers (AHs). Which results does this solution provide?
Each correct answer represents a complete solution. Choose all that apply.