CompTIA SY0-401 - Questions & Answers

Explanation: FTPS uses ports 989 and 990.

When establishing an FTP session, clients start a connection to an FTP server that listens on TCP port 21 by default.

Antivirus companies frequently create boot discs you can use to scan and repair your computer. These tools can be burned to a CD or DVD or installed onto a USB drive. You can then restart your computer and boot from the removable media. A special antivirus environment will load where your computer can be scanned and repaired.

Incorrect Options:
A: Kill all system processes will stop system processes, and could have a negative effect on the system. It is not the BEST way to run the malware scanner
B: The basic purpose of a firewall is to isolate one network from another. It is not the BEST way to run the malware scanner.
D: Disabling the network connection will not allow for the BEST way to run the malware scanner.

References:
http://www.howtogeek.com/187037/how-to-scan-and-repair-a-badly-infected-computer-
from-outside- windows/ Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, 6th Edition, Sybex, Indianapolis, 2014, p. 342

IEEE 802.1x is an IEEE Standard for Port-based Network Access Control (PNAC). It is part of the IEEE 802.1 group of networking protocols and provides an authentication mechanism to wireless devices connecting to a LAN or WLAN.

The LMHOSTS file provides a NetBIOS name resolution method that can be used for small networks that do not use a WINS server. NetBIOS has been adapted to run on top of TCP/IP, and is still extensively used for name resolution and registration in Windows-based environments.

One of the ways cloud computing is able to obtain cost efficiencies is by putting data from various clients on the same machines. This "multitenant" nature means that workloads from different clients can be on the same system, and a flaw in implementation could compromise security.

Numerous networks broadcast their name (known as an SSID broadcast) to reveal their presence.

Network-based intrusion prevention system (NIPS) monitors the entire network for suspicious traffic by analyzing protocol activity.