multiple choice questions on wifi

Wireless LAN discovery seems like a never-ending task.

About 175 feet, C. A. You can see this by using discovery tools like AirMagnet.

In addition, bans cannot prevent wireless from happening – they only cause wireless to be used without proper supervision and guidance.

At the December 802.11-Planet conference, Dr. Trevor Marshall gave an example where transmissions were received 125 kilometers away. When drawing in 2D, what axis do you NOT work with? You have a Cisco mesh network.

How do you stop teleworkers from putting wireless LANs in their homes, then using them to connect to the Internet from company laptops?

That was an extreme case, transmitting over the ocean, but attackers do use stronger antennas than those shipped with PC cards and APs.

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Second, Bluetooth interferes with Wi-Fi in such a fashion that devices may drop to a lower data rate when they really shouldn't. 5GHz, A. ipconfig.

Here’s a New Approach.

The AP continuously sends many beacon frames per second. IEEE. 22 Questions Show answers. MCA, M.Sc(IT), BE, B.Tech, CCNA, MCSE. Disabling SSID broadcast just stops the network's name from being carried in every beacon. But no matter how you watch for them, unauthorized APs and stations are going to surface. Tags: Question 2 . The same script kiddies that use port scanners to bang on DSL and cable modems also use hacker tools to bang on residential wireless LANs, and MAC spoofing is a part of many wireless attacks. First, Bluetooth has a much shorter range than Wi-Fi, so placing your 802.11 access points 30 feet away from any Bluetooth device will definitely help. Share this item with your network: AWPP, C. What should you use? But consider the guy who cleans your office late at night – can he connect his PDA to your LAN? 5.

For example, how do you prevent travelers from using wireless hotspots?

A complete vulnerability assessment looks at all layers and components and thus requires a mixture of test tools.

A Wi-fi enabled device can be_____ A. PC B. What is the shortcut key to combine the selected objects? Q. When properly secured, wireless LANs can reduce the cost of infrastructure, increase network flexibility and speed of deployment, and make workers more efficient and productive. Very few of the rogue APs you may discover are launching a man-in-the-middle attack.

By the time you hear about the misdeed, the freeloader will be long gone. Over 200 feet, A.

Is this an expert kind of attack that most of us will never experience? What is the maximum distance running the lowest data rate for 802.11b? Learn Wireless Technologies mcq questions and answers with easy and logical explanations for various competitive examination, interview and entrance test

Wifi uses which kind of multiplexing? Start my free, unlimited access. Please check the box if you want to proceed.

Jay Chaudhry, the founder of AirDefense, compares walk-around discovery to the night watchman on hourly rounds. Which of the following correctly defines the method by which Adobe Illustrator creates images. A. Internet and Email related Multiple Choice Questions and Answers (MCQ) Online Mock Test : Today almost all position require basic knowledge of handling internet operation for day to day communication, be it sending and receiving email or just surfing internet for information.Here you will find some commonly asked questions from the field of web, internet and email. 23. What does Matlab stand for? Game Console C. Mobile phone D. All of the above Ans: D 23. What is the "acceptable" limit for the attenuation of a wifi signal (threshold before breaking signal), 29. But every newly-discovered AP is worth investigating, because even non-malicious unauthorized APs create security and performance holes your network. About 150 feet, D. When you hear Gartner say one in five companies have already been infiltrated by rogue APs, they are just talking about unauthorized devices, installed by employees unwilling to wait for the IT department's blessing.

ipconfig /all.

That's why you must have robust authenticated access controls so that unauthorized devices can't penetrate your network's security perimeter. Experts: Plan for wireless before rogue access points appear, Why Businesses Should Buy PCs for Remote Workers. The primary difference between the Model ... 1.

About 300 feet, D. When access points don't broadcast their SSID, stations must send probes on all channels to find the access point with the desired SSID.

LWAPP, B. The subscriber is responsible for any misdeeds launched from their account – for example, a freeloader that sends spam or attacks someone else using your wireless LAN. Copyright 2000 - 2020, TechTarget Is there any way to prevent wireless jamming caused by Bluetooth? Learn the concepts and policies to effectively achieve a ... Do you know how enterprise cloud VPN differs from a traditional VPN? a) Math Laboratory  b) Matrix Laboratory c) Mathworks d) Nothing e) none of the above Ans: b 2. If an employee installs an unauthorized access point, is that considered a rogue access point, or is there more to it? Expert in engineering driverless technologies partners with leading UK operator to bring 5G to its Nuneaton headquarters with a ... Class action suit seeks claims worth more than £10bn over the processing of personal information. a. Raster b. Encryption c. Extrapo... 1. a type of geometric model of a three-dimensional object in which the basic shape is made up of points, or vertices, connected by edges ... 1) This area is much like a theatre stage. The main purpose of integration testing is to find  (A) design errors (B) analysis errors (C) procedure errors (D) interface errors... 11. Products implementing AES right now are providing stronger but proprietary encryption that can only be used between products from the same manufacturer. Until product changes like these facilitate true coexistence, there are a few things you can do if Bluetooth is jamming your wireless LAN.

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