Online Access Free GSLC Exam Questions

You work as a Network Administrator for NetPerfect Inc. You have implemented a firewall on the company's network. You want to ensure that outside users cannot access the internal FTP servers on the network. What will you do to accomplish the task?

• A.Block the UDP port 1701 and TCP port 1723 on the firewall.
• B.Block the TCP port 80 on the firewall.
• C.Block the TCP ports 20 and 21 on the firewall.
• D.Block the TCP port 443 on the firewall.

Which of the following items are generally analyzed by Internet filters?
Each correct answer represents a complete solution. Choose three.

• A.Uniform Resource Locators (URLs)
• B.Content
• C.Network Topology
• D.Certificates

Which of the following types of cryptography algorithms is a symmetric key cipher which operates on fixed-length groups of bits, termed blocks, with an unvarying transformation?

• A.RC2
• B.Stream cipher
• C.Block cipher
• D.Triple DES

Which of the following viruses masks itself from applications or utilities to hide itself by detection of anti-virus software?

• A.Macro virus
• B.E-mail virus
• C.Polymorphic virus
• D.Stealth virus

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. War driving
b. Detecting unauthorized access points
c. Detecting causes of interference on a WLAN
d. WEP ICV error tracking
e. Making Graphs and Alarms on 802.11 Data, including Signal Strength
This tool is known as __________.

• A.Absinthe
• B.NetStumbler
• C.THC-Scan
• D.Kismet