Wireless communication and 4g lte networks Study guides, Study notes & Summaries

IST 220 - Exam 3 Review 2023/2024 Link and network - ANSWER-Challenges posed by networking wireless and mobile devices usually occur at what layers? Code Division Multiple Access (CDMA) - ANSWER-- a shared-medium access protocol that is often used in wireless networks - belongs to a family of channel partitioning protocols - prevalent in wireless LAN and cellular technologies Base Station - ANSWER-- a key part of the wireless network infrastructure - responsible for coordinating the...

Which of the following 802.11 security standards is considered to be the least secure? correct answers WEP Which of the following is true of packet switching? correct answers Packet switching is more efficient than circuit switching. ________ is a method that allows the seamless transfer of an Internet Protocol (IP) address from one network to another without losing IP sessions, which facilitates roaming. correct answers IP Mobility (or Mobile IP) Which Mobile IP component is a router c...

Cyberstalking The use of electronic communications to harass or threaten another person. Electronic Communications Privacy Act (ECPA) Restricts government access to stored emails and communications from ISPs and networks. Communication Assistance to Law Enforcement Act - CALEA (1994) Telecom design for lawful surveillance. Monitor phone, internet, VoIP in real-time. Essential for forensic investigators. Requires telecom carriers and manufacturers to design equipment with built-in...

Computing Fundamentals IC3|Complete Questions with Correct Answers Graded A+ 1. What would you consider an advantage of using a smartphone over a basic cellular phone? A. Being able to access your email. B. Being able to access your voice mail. C. Being able to make video calls. D. Being able to place a call. A. Being able to access your email. (Correct) C. Being able to make video calls. (Correct) 2. You cannot easily access your email using a basic cellular phone. A. Right B. Wrong A...

Which of the following 802.11 security standards is considered to be the least secure? correct answers WEP Which of the following is true of packet switching? correct answers Packet switching is more efficient than circuit switching. ________ is a method that allows the seamless transfer of an Internet Protocol (IP) address from one network to another without losing IP sessions, which facilitates roaming. correct answers IP Mobility (or Mobile IP) Which Mobile IP component is a router c...

Wireless Communication-Unit1,2,3,4,5,6,7,8

Which of the following 802.11 security standards is considered to be the least secure? correct answers WEP Which of the following is true of packet switching? correct answers Packet switching is more efficient than circuit switching. ________ is a method that allows the seamless transfer of an Internet Protocol (IP) address from one network to another without losing IP sessions, which facilitates roaming. correct answers IP Mobility (or Mobile IP) Which Mobile IP component is a router c...

Customer premises - Correct answer-Connected to the network through distribution taps spliced into the coaxial cable. Branches in the architecture - Correct answer-The downstream signal is distributed within nearby neighborhoods using 0.412-inch to 0.625-inch diameter coaxial cable, splitters, and directional couplers. Bridger amplifier - Correct answer-A portion of the downstream signal is boosted before being split and routed to as many as four separate coaxial cables—the branches in t...

02/18/2020 TDC 364 HW-Extra 1 of 8 Homework 10 1. What is the codec schmes used in the TDC364 lab? a. G.711 and G.729A b. G.711 and G.723.1 c. G.711 and G.726 d. G.711 and iLBC 2. The X-lite software used in the TDC364 VoIP lab is _______ a. User Agent Client (UAC) only, no UAS b. User Agent Server (UAS) only, no UAC c. Both UAC and UAS d. SIP Prosxy server 3. What is the SIP proxy server for the TDC364 lab? a. Aserisk b. Xlite c. Google Talk d. SkyPE 4. In the FreePBX setting, ...

The chief information officer of an accounting firm believes sensitive data is being exposed on the local network. Which tool should the IT staff use to gather digital evidence about this security vulnerability? A Sniffer B Disk analyzer C Tracer D Virus scannerCorrect answer- A A police detective investigating a threat traces the source to a house. The couple at the house shows the detective the only computer the family owns, which is in their son's bedroom. The couple states that ...