Free Practice Questions for ECCouncil 312-50 Exam

Blackberry users warned of hacking tool threat.

Users have been warned that the security of Blackberry wireless e-mail devices is at risk due to the availability this week of a new hacking tool. Secure Computing Corporation said businesses that have installed Blackberry servers behind their gateway security devices could be vulnerable to a hacking attack from a tool call BBProxy.

References: http://www.computerweekly.com/news/2240062112/Technology-news-in-brief

A full restore is required.

Phase shift keying is the form of Bluetooth modulation used to enable the higher data rates achievable with Bluetooth 2 EDR (Enhanced Data Rate). Two forms of PSK are used: π/4 DQPSK, and 8DPSK.

References: http://www.radio-electronics.com/info/wireless/bluetooth/radio-interface-modulation.php

A boot sector virus is a computer virus that infects a storage device's master boot record (MBR). The virus moves the boot sector to another location on the hard drive.

References: https://www.techopedia.com/definition/26655/boot-sector-virus

Today, management demands metrics to get a clearer view of security.

Metrics that measure participation, effectiveness, and window of exposure, however, offer information the organization can use to make plans and improve programs.

References: http://www.infoworld.com/article/297464 2/security/4-security-metrics-that-matter.html

Network layer firewalls, also called packet filters, operate at a relatively low level of the TCP/IP protocol stack, not allowing packets to pass through the firewall unless they match the established rule set. To prevent Web Application attacks an Application layer firewall would be required.

References: https://en.wikipedia.org/wiki/Firewall_(comp uting)#Network_layer_or_packet_filters

Computer viruses infect a variety of different subsystems on their hosts. A computer virus is a malware that, when executed, replicates by reproducing itself or infecting other programs by modifying them. Infecting computer programs can include as well, data files, or the boot sector of the hard drive. When this replication succeeds, the affected areas are then said to be "infected".

References: https://en.wikipedia.org/wiki/Computer_virus

Dual-homed or dual-homing can refer to either an Ethernet device that has more than one network interface, for redundancy purposes, or in firewall technology, dual-homed is one of the firewall architectures, such as an IDS/IPS system, for implementing preventive security.

References: https://en.wikipedia.org/wiki/Dual-homed