Computer Engineering Technology 11.4-11.6 Questions

1. Up to 100 meters for Class 1 devices 2. Up to 2 meters with a few obstacles in between 3. Up to 10 meters for Class 2 devices 4. A few centimeters

1. Bluetooth 2. Infrared 3. Bluetooth 4. Near Field Communication

1. Send a user's credentials over UDP 2. Send a user's credentials over TCP 3. Is a key component of Windows Active Directory 4. Provides a trusted Key Distribution Center (KDC) 5. Only encrypts the password

1. Remote Authentication Dial-In Service (RADIUS) 2. Terminal Access Controller Access-Control System (TACAS+) 3. Kerberos 4. Kerberos 5. Remote Authentication Dial-In Service(RADIUS)

1. Learns from your habits and schedule, allows you to control the climate in your home remotely, shows you energy consumption in real time, and adjusts itself depending on ambient conditions. 2. Allows you to control hardwired lights, ceiling fans, fireplaces, small appliances, and garbage disposals. 3. Can change colors, track motion, stream audio over Bluetooth, and double as a connected camera, but it's only smart when turned on. 4. Easy solution for making small appliances such as lamps, coffee makers, and toasters smart. 5. Uses an RF transmitter. May include such features as motion detection, scheduled recording, remote viewing, and automatic cloud storage. 6. Uses a wireless protocol and a cryptographic key to execute the authorization process. It can also monitor access and send alerts related to a device's status. 7. Uses voice recognition software and activates through a Wake Word or Hot Word.

1. Thermostat 2. Switch 3. Bulb 4. Plug 5. Security camera 6. Door lock 7. Speaker/digital assistant

A customer is experiencing a sporadic interruption of their Wi-Fi network in one area of their building. A technician investigates and discovers signal interference caused by a microwave oven. The customer approves replacing the wireless access point that covers the area, but asks that the wireless speed also be increased. Which of the following Wi-Fi standards should the replacement device support to BEST fulfill the customer's needs?

802.11ac

You have been contacted by OsCorp to recommend a wireless internet solution. The wireless strategy must support a transmission range of 150 feet, use a frequency range of 2.4 GHz, and provide the highest possible transmission speeds. Which of the following wireless solutions should you recommend?

802.11g

You are designing a wireless network for a client. Your client needs the network to support a data rate of at least 150 Mbps. In addition, the client already has a wireless telephone system installed that operates 2.4 GHz. Which 802.11 standard works BEST in this situation?

802.11n

You have recently purchased a toll pass for a bridge that you cross each day on your way to work. Which of the following wireless technologies is MOST likely being used for this pass?

Active RFID

You need a type of wireless connection that can transfer data between your phone, PDA, and laptop. You are transferring sensitive information. Which of the following is the BEST choice for this wireless connection?

Bluetooth

A SOHO customer finds that their VoIP conversations frequently break up and become unintelligible. This happens most often when one person in the office streams video from the internet. Which of the following configuration changes on the SOHO router is MOST likely to improve the VoIP performance?

Change QoS settings to give VoIP traffic more priority

A technician is installing a new SOHO wireless router. Which of the following is the FIRST thing the technician should do to secure the router?

Change the router's default password

A technician receives a notification from a SOHO router manufacturer of a specific vulnerability that allows attackers to exploit SNMP traps to take over routers. The technician verifies the settings outlined in the notification. Which of the following actions should the technician take NEXT?

Check for and apply firmware updates

A technician is replacing a SOHO router and has configured DHCP to assign private IP addresses to hosts on the local network. These hosts can communicate with each other, but users can't browse the internet. Which of the following changes to the SOHO router is MOST likely to restore internet connectivity?

Configure the SOHO router for NAT

Your employer wants a system that guarantees that all components will work together with minimal configuration and setup. Time is of the essence in getting this new system ready. Which of the following would BEST meet your employer's needs?

DCS

Which of the following are IoT systems that work together to make communication between two endpoints possible? (Select two.)

Data storage and Gateway system

A technician is installing a SOHO router at an after-school community center. The customer would like to keep children from accessing inappropriate content while browsing the web. Which of the following actions would help accomplish this goal?

Enable content filtering

You are the network administrator for a small consulting firm. The firm has recently rolled out a new intranet site, and you are responsible for configuring the DNS. You are able to connect to the intranet site by using the IP address, but you cannot connect by using the hostname. Which of the following do you need to configure to access the site with the hostname?

Forward lookup zone

What are two major concerns regarding IoT devices?

Hacking and Privacy

Which of the following UTM appliances monitors all network traffic and blocks malicious traffic while notifying the network security team?

IPS

You are an IT technician for your company. Your boss has asked you to set up and configure a wireless network to service all of the conference rooms. Which of the following features lets you allow or reject client connections by hardware address?

MAC address filtering

A user pays for a retail purchase by placing a smartphone next to the merchant's reader. Which of the following wireless mobile device connections is this?

NFC

Which of the following wireless communication technologies can be described as follows? It has a limited transmission range of less than two inches. It is used with credit cards and passports. It is slower than other wireless technologies. It constantly emits a signal.

NFC

Which of the following locations will contribute the greatest amount of interference to a wireless access point? (Select two.)

Near backup generators and near cordless phones

A technician is installing a network-enabled smart home control system in a SOHO. Which of the following configurations is MOST likely required on the SOHO router in order to access the system from the internet?

Port forwarding

Which Windows network location enables network discovery and allows files and printers to be easily shared?

Private

Which of the following DHCP scope options will assign a static IP configuration to a device using the device's MAC address?

Reservation

Which of the following identifies the network name on a wireless network?

SSID

You are working as a junior security technician for a consulting firm. One of your clients is upgrading their network infrastructure. The client needs a new firewall and intrusion prevention system installed. They also want to be able to block employees from visiting certain types of websites. The client also needs a VPN. Which of the following internet appliances should you install?

Unified Threat Management

Which of the following is an inherent vulnerability of embedded devices?

Unknown environments

Which of the following authentication methods allows you to securely connect a printer to the wireless network with the least amount of effort?

WPS

What are the two mesh protocols that are used most often with IoT devices?

Z-Wave and Zigbee