A+ Core 1
Which of the following wireless standards is only capable of 5GHz frequencies?
A. 802.11a
NFC
(Near Field Communication) e.g. contactless payment debit cards and smartphone NFC chips.
Ann, a user, reports that after setting up a new WAP in her kitchen she is experiencing intermittent connectivity issues. Which of the following should a technician check FIRST?
A. Channels
Which of the following is the MOST likely cause for a network PC to have an APIPA address?
A. DHCP failure
Joe, a user, sets up an IMAP connection on his smartphone to connect to webmail. Joe is able to view email, but he receives an error message when trying to send a message. When viewing the mail client's configuration, Joe sees a valid SMTP server and port. Which of the following should Joe check NEXT to resolve the issue?
A. Configure the email account as a POP3 connection
Which of the following services provides the ability to resolve UNC to appropriate IP addresses?
A. DNS
Which of the following devices is used to implement network security policies for an environment?
A. Firewall
A technician receives a cellular from a manager. The technician is instructed to download a service manual directly from the Internet to a laptop. However, there is no WiFi signal or wired Ethernet. Which of the following would be the MOST appropriate connections for the technician to use?
A. Hotspot
Which of the following is the main purpose of the +5VSB output of a power supply?
A. It allows peripherals to draw power when the machine is off
A network administrator is attempting to access the firewall while inside the datacenter. Which of the following peripherals must be connected to do so?
A. KVM
A technician needs to call a user's cellular provider to troubleshoot a network speed issue with the user's mobile device. Which of the following technologies is the technician troubleshooting?
A. Long-term evolution
Which of the following technologies can be used for wireless payments?
A. NFC
A user wants to build a computer with a high-end CPU, plenty of RAM, and a high-end graphics card for online gaming. The user wants to verify that the graphics card is compatible with the motherboard. Which of the following connection types would the user MOST likely utilize to connect the video card to the motherboard?
A. PCle
Joe, a user, reports that his new smart wearable device is not synchronizing to his mobile device. Both devices are powered on, but the mobile device fails to read the data from the wearable. Which of the following will MOST likely fix this issue?
A. Pair the devices
A technician is setting up a WiFi-enabled thermostat for a customer, but the customer is concerned about IoT devices getting hacked. Which of the following BEST address the customer's concerns? (Choose two.)
A. Use the latest encryption standard on the wireless network and set a strong password. C. Separate the IoT thermostat by segregating it in a DMZ network.
The cloud model that represents a company maintaining some data in on-premise storage and some data in cloud-based storage is known as
A. hybrid
The feature that allows users to store files in cloud-based when necessary, but can be removed when space is freed up, is known as:
A. on-demand
Which of the following channels would commonly be used on an 802.11 wireless network?
[A. 6] B. 17 C. 802 D. 8080
IoT
Internet of Things
KVM meaning
keyboard, video and mouse
