3VF8lC6xq_c_r31M&hl=en&sa=X&ei=wMcfVMetI8HPaNSRgPgD&ved=0CC8Q6AEwAg#v=one
page&q=At%20which%20level%20of%20the%20OSI%20model%20do%20the%20pa
cket%20filtering%20firewal s%20work&f=false (packet filters)
QUESTION: 13
An antenna is a device that is designed to transmit and receive the electromagnetic waves that
are generally called radio waves. Which one of the following types of antenna is developed from
waveguide technology?

A. Leaky Wave Antennas
B. Aperture Antennas
C. Reflector Antenna
D. Directional Antenna

Answer(s): B
QUESTION: 14
Firewall and DMZ architectures are characterized according to its design. Which one of the
following architectures is used when routers have better high-bandwidth data stream handling
capacity?

A. Weak Screened Subnet Architecture
B. "Inside Versus Outside" Architecture
C. "Three-Homed Firewall" DMZ Architecture
D. Strong Screened-Subnet Architecture

Answer(s): A
QUESTION: 15
Which one of the following tools of trade is a commercial shel code and payload generator
written in Python by Dave Aitel?

A. Microsoft Baseline Security Analyzer (MBSA)
B. CORE Impact
C. Canvas
D. Network Security Analysis Tool (NSAT)

Answer(s): C
QUESTION: 16
Internet Control Message Protocol (ICMP) messages occur in many situations, such as
whenever a datagram cannot reach the destination or the gateway does not have the buffering
capacity to forward a datagram. Each ICMP message contains three fields: type, code, and
checksum. Different types of Internet Control Message Protocols (ICMPs) are identified by a
TYPE field. If the destination is not reachable, which one of the following are generated?

A. Type 8 ICMP codes

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