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CCT4 Module 3.2
Advanced CHSI
60
Other
Not Applicable
01/27/2011

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Cards

Term
A wireless network begins with an __ abbreviated as AP.
Definition
Access point
Term
AP includes a radio that _____ and _____, that operates 2.4Ghz or 5Ghz radio band.
Definition
transmits and receives
Term
Other wireless nodes in a network are called?
Definition
Client Stations
Term
If an access point (AP) within that range picks up the probe request, the AP broadcasts an acknowledgement and the two go trough whatever ____ _____ _____ the network has set up.
Definition
Security payment arrangement
Term
If two APs reply to the probe, the laptop will use whichever has the _____ signal.
Definition
stronger
Term
When a router receives a packet from the Internet, it strips off an ______ and addresses the outer shell.
Definition
encryption
Term
What are the 3 parts of packet?
Definition
Header, payload, trailer(footer)
Term
Networks can extend beyond the range of routers, provided there are occasional _____ _____.
Definition
Extension Points
Term
Area where 802.11 networks are opened to the public?
Definition
Hot Spots
Term
Wired networks have speeds up to?
Definition
100 Mbps
Term
Wireless networks speeds typically are ___ or ___
Definition
11 Mbps or 54 Mbps
Term
What are the 4 IEEE wireless standards?
Definition
802.11b, 802.11a, 802.11g, 802.11n
Term
What are the speeds in a 802.11a and 802.11g standards.
Definition
54 Mbps
Term
What are the speeds in a 802.11b standard?
Definition
11 Mbps
Term
What are the speeds in a 802.11n standard.
Definition
100 Mbps
Term
What is a virus?
Definition
A virus is a type of program that can replicate itself by making copies of itself.
Term
Replication is part of a what?
Definition
Virus- Inserts copies of itself into other programs files.
Term
Event Watching is part of?
Definition
Virus- Every time a virus runs, it checks for certain conditions. When conditions are met, it delivers its destructive payload. Usually a specific date.
Term
Camouflage is part of what?
Definition
Virus- Stealth viruses disguise themselves to avoid detection by anti-virus software.
Term
Delivery is part of what?
Definition
Virus- Payload can be harmless or destructive erasing or scrambling files.
Term
Most 4 common types of viruses?
Definition
exe, email, worms, trojans.
Term
What software inspects the master boot record, program files, and macro code?
Definition
Anti-virus software
Term
______ ________ look for sections of code triggered by time or date events, routines to search for files, as well as, disk writes that bypass the operating system.
Definition
Heuristic detectors
(Heuristic-refers to experience-based techniques for problem solving, learning, and discovery. AN EDUCATED GUESS)
Term
What is Spyware?
Definition
Software installed via the internet on a computer without the user's knowledge and used to send information about the user to another computer
Term
What uses a backchannel to send information found on your computer?
Definition
Spyware
Term
Software contained in a program that automatically plays or displays advertising material on a computer after the software is installed is?
Definition
Adware
Term
What differentiates adware from other shareware?
Definition
Is primarily advertising-supported.
Term
What is spam?
Definition
Sending unsolicited bulk email.
Term
Who sends out automated spiders across the Internet that crawl across Web pages looking for email addresses?
Definition
Spammers
Term
What is the name for people who are able to exploit a system or gain unauthorized access.
Definition
Hackers
Term
What type of firewall is the best?
Definition
Hardware firewall
Term
What does Hijacking change?
Definition
Your browsers settings.
Term
What is a firewall?
Definition
Computer hardware or software that prevents unauthorized access to private data by outside computer users.
Term
What are the 3 main types of firewall rules?
Definition
Packet filtering, Proxy, stateful inspection(SPI)
Term
What is Stateful Inspection (SPI)
Definition
The firewall compares key parts of each packet to a database of known safe data. (Also known as dynamic packet filtering)
Term
Packet filtering is?
Definition
Analyzes the incoming and outgoing packets and letting them pass or halting them based on the IP addresses of the source and destination
Term
What is a proxy?
Definition
Examines all data based on the filtering rules and only forwards packets that obey the rules.
Term
How many IP addresses can a normal router issue?
Definition
0-255
Term
What is the minimum processor speeds for CHSI?
Definition
300Mhz
Term
What does WEP stand for?
Definition
Wired equivalent privacy
Term
Resetting a router will not change and advanced configuration settings.
Definition
False
Term
A gateway is a combination of router and modem using a configuration file? True or False?
Definition
True
Term
Which wireless standard is backwards compatible?
Definition
802.11g
Term
Tri-mode/Dual band routers support _____ how many PC's?
Definition
256
Term
Internet is an example of a?
Definition
WAN
Term
TKIP stands for?
Definition
Temporal key integrity protocol
Term
Comcast uses these common firewall technologies?
Definition
NAT and SPI (Stateful Packet Inspection)
Term
Preferred separation for closed wireless networks is _____ Mhz?
Definition
25
Term
Whats does NAT stand for?
Definition
Network address translation
Term
Memory Resident anti-virus software does?
Definition
Installs programs in RAM that continue to operate in the background while other software apps are running
Term
Virus Morphing
Definition
Nonfunctioning changing sections of fake code interspersed among working sections of a virus
Term
Signature Scanners
Definition
Look at the contents of the boot record, programs, and macros for telltale sections of code that match viruses contained in a table
Term
What is an example of automated troubleshooting?
Definition
Using the network diagnostic tool to check IP connectivity
Term
What is one of the reasons why 2.4 GHz is a commonly used frequency?
Definition
It is unregulated.
Term
The CHSI minimum requirement for memory?
Definition
256 MB.
Term
USB stands for?
Definition
Universal Serial Bus
Term
PCMCIA
Definition
Personal Computer Memory Card International Association
Term
What refers to how quickly computers on a network can communicate and share information?
Definition
Network Speed
Term
Memory Dump
Definition
This error is indicitive of a major problem with the operating system and the best solution is to reinstall windows. (bsod)
Term
ROM
Definition
Read Only Memory
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