GCIA 試験問題を無料オンラインアクセス

You are the Network Administrator for a large corporate network. You want to monitor all network traffic on your local network for suspicious activities and receive a notification when a possible attack is in process. Which of the following actions will you take for this?

• A.Install a host-based IDS
• B.Install a DMZ firewall
• C.Enable verbose logging on the firewall
• D.Install a network-based IDS

Which of the following statements best describes the string matching method of signature analysis?

• A.In string matching, each packet is wrapped in predefined layers of different protocols.
• B.In string matching, an incoming packet is compared, byte by byte, with a single signature, a string of code.
• C.String matching searches specific strings that may indicate an attack.
• D.String matching examines multiple fields from different protocols, such as source address, destination port, or TCP flags.

Sandra, an expert computer user, hears five beeps while booting her computer that has AMI BIOS; and after that her computer stops responding. Sandra knows that during booting process POST produces different beep codes for different types of errors. Which of the following errors refers to this POST beep code?

• A.Cache memory test failed
• B.Display memory error
• C.Mother board timer not operational
• D.Processor failure

This is a Windows-based tool that is used for the detection of wireless LANs using the IEEE 802.11a, 802.11b, and 802.11g standards. The main features of these tools are as follows:
-It displays the signal strength of a wireless network, MAC address, SSID, channel details, etc. -It is commonly used for the following purposes:

• A.Detecting causes of interference on a WLAN
• B.WEP ICV error tracking
• C.Detecting unauthorized access points
• D.Making Graphs and Alarms on 802.11 Data, including Signal Strength
• E.War driving

Which of the following is a checksum algorithm?

• A.Snort
• B.Dsniff
• C.Hash buster
• D.Adler-32