multiple choice questions on wifi
Because Bluetooth and Wi-Fi share the 2.4 GHz band, these protocols step on each other. But every newly-discovered AP is worth investigating, because even non-malicious unauthorized APs create security and performance holes your network. Wiring closets and operations centers are behind locked doors so that visitors can't insert themselves into the network. Many of the same port scanners and tools that probe systems for OS and application vulnerabilities are helpful for wireless LAN vulnerability assessment. PDF | On Apr 2, 2013, mahendra Kumar published multiple choice questions on wireless communication | Find, read and cite all the research you need on ResearchGate Remote enterprise workers need a reliable internet connection. 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. Can he leave a small access point somewhere, tricking stations into connecting with it instead of the real company LAN? About 300 feet, D. If an employee installs an unauthorized access point, is that considered a rogue access point, or is there more to it? 2.4GHz, D. The AP continuously sends many beacon frames per second. Question 1 . Human resource management is the formal part of an organization responsible for all of the following aspects of the management of human resources except: About 150 feet, D. 30 compressi... 1. A Wi-fi enabled device can be_____ A. PC B. MCA, M.Sc(IT), BE, B.Tech, CCNA, MCSE. What protocol allows multiple APs to connect with many redundant connections between nodes. A. Good Post. 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. They may send 802.1X messages to verify that all APs require port access control, auditing compliance with site security policy. I believe companies need to deal with this challenge head-on by defining acceptable use policies, documenting best practices and supplying security software to keep these wireless users safe. Wireless LAN scanners do some of these things, but they also conduct other tests that require 802.11 and 802.1X support. Put your IT team in the best position to succeed with AI. What is the maximum distance with maximum data rate for 802.11a? IEEE. AES is part of the 802.11i draft standard that will not be finished until the end of this year. Is that the advanced encryption that some wireless LAN products say they support? What is the shortcut key to combine the selected objects? I say "someday" because AES is not yet part of the ratified 802.11 standard. Intersil and Silicon Wave came up with a design that permits simultaneous operation using time slicing to interleave Bluetooth and 802.11b transmissions very rapidly. Vendors, academics and data scientists are developing technologies to detect irregularities in voting patterns. Learn the concepts and policies to effectively achieve a ... Do you know how enterprise cloud VPN differs from a traditional VPN? 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. 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. MCQ Questions and Answers on Data Communication and Computer Networks or Multiple Choice Questions with Answers on Data Communication and Networks from chapter Local Area Networks(LAN). Wifi uses which kind of multiplexing? But even there, the LAN isn't hidden when stations aren't connected. ipconfig /all. VLANs -- Controlling wired and wireless traffic, Combining 802.1X and VLANs for WLAN authorization. But consider the guy who cleans your office late at night – can he connect his PDA to your LAN? Is this an expert kind of attack that most of us will never experience? In your presentation, you said that we can't rely on walls to control access to wireless LANs; but are access points located deep inside large buildings safe? But some open LANs are in violation of service agreements stating that residential broadband accounts are for private use only. But think about it this way – would you leave your door unlocked with a big sign that says "Come on in and use my telephone while I'm not home – we have unlimited minutes"? For example, how do you prevent travelers from using wireless hotspots? For example, they may look for default SSIDs or send probes to see what 802.11 options an AP supports. Privacy Policy The main purpose of integration testing is to find  (A) design errors (B) analysis errors (C) procedure errors (D) interface errors... 11. Rating scale questions. Traditional NICs are getting an upgrade, thanks to smartNICs and function accelerator cards that add programmability. Turning off beacon frame SSIDs does not prevent stations from SSID from being exposed in associate frames. But no matter how you watch for them, unauthorized APs and stations are going to surface. In your presentation, you said that MAC access control lists are weak because MAC addresses can be forged.

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