EC-COUNCIL Ethical hacking and countermeasures : EC0-350

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最新的 Certified Ethical Hacker EC0-350 免費考試真題:

1. A developer for a company is tasked with creating a program that will allow customers to update their billing and shipping information. The billing address field used is limited to 50 characters. What pseudo code would the developer use to avoid a buffer overflow attack on the billing address field?

A) if (billingAddress = 50) {update field} else exit
B) if (billingAddress >= 50) {update field} else exit
C) if (billingAddress != 50) {update field} else exit
D) if (billingAddress <= 50) {update field} else exit

2. In an attempt to secure his 802.11b wireless network, Ulf decides to use a strategic antenna positioning. He places the antenna for the access points near the center of the building. For those access points near the outer edge of the building he uses semi-directional antennas that face towards the building's center. There is a large parking lot and outlying filed surrounding the building that extends out half a mile around the building. Ulf figures that with this and his placement of antennas, his wireless network will be safe from attack.
Which of the following statements is true?

A) Wireless signals can be detected from miles away, Ulf's network is not safe.
B) Ulf's network will not be safe until he also enables WEP.
C) Ulf's network will be safe but only of he doesn't switch to 802.11a.
D) With the 300 feet limit of a wireless signal, Ulf's network is safe.

3. Web servers often contain directories that do not need to be indexed. You create a text file with search engine indexing restrictions and place it on the root directory of the Web Server.
User-agent: *
Disallow: /images/
Disallow: /banners/
Disallow: /Forms/
Disallow: /Dictionary/
Disallow: /_borders/
Disallow: /_fpclass/
Disallow: /_overlay/
Disallow: /_private/
Disallow: /_themes/
What is the name of this file?

A) spf.txt
B) blocklist.txt
C) robots.txt
D) search.txt

4. A person approaches a network administrator and wants advice on how to send encrypted email from home. The end user does not want to have to pay for any license fees or manage server services. Which of the following is the most secure encryption protocol that the network administrator should recommend?

A) Multipurpose Internet Mail Extensions (MIME)
B) IP Security (IPSEC)
C) Pretty Good Privacy (PGP)
D) Hyper Text Transfer Protocol with Secure Socket Layer (HTTPS)

5. Neil is closely monitoring his firewall rules and logs on a regular basis. Some of the users have complained to Neil that there are a few employees who are visiting offensive web site during work hours, without any consideration for others. Neil knows that he has an up-to-date content filtering system and such access should not be authorized. What type of technique might be used by these offenders to access the Internet without restriction?

A) They have been able to compromise the firewall, modify the rules, and give themselves proper access
B) They are using UDP that is always authorized at the firewall
C) They are using an older version of Internet Explorer that allow them to bypass the proxy server
D) They are using HTTP tunneling software that allows them to communicate with protocols in a way it was not intended

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