- (Topic 2)
Samantha works as a Web Developer for XYZ CORP. She is designing a Web site for the company. In a Web page, she uses the HTTP-EQUIV attribute to control the page cache. Which of the following HTTP-EQUIV values controls the page cache in the browser folder?
Correct Answer:
D
HTTP-EQUIV is an attribute of the META tag. It sets or retrieves information used to bind the META tag's content to an HTTP response header. The pragma value of HTTP-EQUIV controls the page cache.
- (Topic 2)
Which of the following does an anti-virus program update regularly from its manufacturer's Web site?
Correct Answer:
D
An anti-virus program updates the virus definition file regularly from the anti- virus manufacturer's Web site. Antivirus (or anti-virus) software is used to prevent, detect, and remove malware, including computer viruses, worms, and trojan horses. Such programs may also prevent and remove adware, spyware, and other forms of malware. Traditional antivirus software solutions run virus scanners on schedule, on demand and some run scans in real time. If a virus or malware is located, the suspect file is usually placed into a quarantine to terminate its chances of disrupting the system. Traditional antivirus solutions scan and compare against a publicized and regularly updated dictionary of malware otherwise known as a blacklist. Some antivirus solutions have additional options that employ a heuristic engine which further examines the file to see if it is behaving in a similar manner to previous examples of malware. A new technology utilized by a few antivirus solutions is whitelisting; this technology first checks if the file is trusted and only questions those that are not. With the addition of wisdom of crowds, antivirus solutions backup other antivirus techniques by harnessing the intelligence and advice of a community of trusted users to protect each other. Answer C is incorrect. A service pack is a collection of Fixes and Patches in a single product. A service pack can be used to handle a large number of viruses and bugs or to update an operating system with advanceB, Detter capabilities. A service pack usually contains a number of file replacements. Answer A is incorrect. Hotfix is a collection of files used by Microsoft for software updates that are released between major service pack releases. A hotfix is about a problem, occurring under specific circumstances, which cannot wait to be fixed till the next service pack release. Hotfixes are generally related to security problems. Hence, it is essential to fix these problems as soon as possible. Answer B is incorrect. An anti-virus program does not update Permissions regularly from its manufacturer's Web site.
- (Topic 3)
You work as the Network Administrator for XYZ CORP. The company has a Unix-based network. You want to set the hard disk geometry parameters, cylinders, heads, and sectors. Which of the following Unix commands can you use to accomplish the task?
Correct Answer:
D
In Unix, the hdparm command is used to get or set hard disk geometry parameters, cylinders, heads, and sectors. Answer C is incorrect. In Unix, the mkfs command initializes a Unix filesystem. This is a front end that runs a separate program depending on the filesystem's type. Answer A is incorrect. In Unix, the mke2fs command creates a Unix second extended filesystem. Answer B is incorrect. In Unix, the mkswap command sets up a Unix swap area on a device or file.
- (Topic 3)
Which of the following statements about URL rewriting are true?
Correct Answer:
AD
By default, session tracking uses cookies to associate a session identifier with a unique user. URL rewriting is used in cases where cookies are not supported by the browser.
- (Topic 4)
Sam works as a Network Administrator for XYZ CORP. The computers in the company run Windows Vista operating system, and they are continuously connected to the Internet. This makes the network of the company susceptible to attacks from unauthorized users. Which of the following will Sam choose to protect the network of the company from such attacks?
Correct Answer:
A
A firewall is a set of related programs configured to protect private networks connected to the Internet from intrusion. It is used to regulate the network traffic between different computer networks. It permits or denies the transmission of a network packet to its destination based on a set of rules. A firewall is often installed on a separate computer so that an incoming packet does not get into the network directly. Answer B is incorrect. Windows Defender is a software product designed by Microsoft to provide continuous security against malware. If it detects anything suspicious, an alert will appear on the screen. Windows Defender can also be used to scan a computer for suspicious software. It can remove or quarantine any malware or spyware it finds. Answer C is incorrect. Software Explorer is a tool of Windows Defender. It is used to remove, enable, or disable the programs running on a computer. Answer D is incorrect. Quarantined items is a tool of Windows Defender. It is used to remove or restore a program blocked by Windows Defender.