1D0-671 무료 덤프문제 온라인 액세스

Consider the following series of commands from a Linux system:
iptables -A input -p icmp -s 0/0 -d 0/0 -j REJECT
Which explanation best describes the impact of the resulting firewall ruleset?

• A.Internal hosts will not be able to ping each other using ICMP.
• B.Stateful multi-layer inspection has been enabled.
• C.Individuals on remote networks will not be able to use ping to troubleshoot connections.
• D.Individuals on remote networks will no longer be able to use SSH to control internal network resources.

Which technique can help to protect an FTP server?

• A.Install the operating system on the same partition as the FTP server.
• B.Use separate FTP user accounts from those used to access the Web.
• C.Place downloads on the same partition as the FTP server binaries.
• D.When setting IP-based blocking rules for the FTP server, move the FTP files to C:\ftpfiles for maximum security.

Which type of attack requires that the hacker be physically located between the two legitimate hosts being attacked?

• A.Brute-force and dictionary attack
• B.Man-in-the-middle attack
• C.Bug-based attack
• D.E-mail virus attack

The most popular types of proxy-oriented firewalls operate at which layer of the OSI/RM?

• A.Transport layer
• B.Session layer
• C.Network layer
• D.Application layer

A disgruntled employee has discovered that the company Web server is not protected against particular buffer overflow vulnerability.
The disgruntled employee has created an application to take advantage of this vulnerability and secretly obtain sensitive data from the Web server's hard disk. This application sends a set of packets to the Web server that causes it to present an unauthenticated terminal with root privileges.
What is the name for this particular type of attack?

• A.Zero-day attack
• B.Man-in-the-middle attack
• C.Denial of service
• D.Trojan