CompTIA A+ Networking TestOut v7 Ch11 Review

After several new computers are connected to a network device, every computer connected to the device begins to experience slow transfer speeds. Which of the following is the FIRST step to troubleshoot this problem?

• Use a loopback plug to determine whether the NIC in each computer is good.

• Determine whether the network device is a hub or a switch.

• Use a cable tester to determine whether all cables between each computer and the device are good.

• Use a loopback plug to determine whether each port on the network device is good.

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

• 802.11b

• 802.11a

• 802.11ac

Which of the following correctly describe the most common format for expressing IPv6 addresses?

• Hexadecimal numbers

• 128 numbers, grouped using colons

• Binary numbers

• Decimal numbers

Which of the following are options for connecting a computing device, such as a notebook computer or tablet, to a cellular network?

• Use a USB cable to connect the device to the cellular network through a cable modem.

• Use an integrated transmitter to connect the device directly to the cellular network through a satellite.

• Use the device's Wi-Fi to connect to the cellular network through a cable modem's Wi-Fi antenna.

• Use a USB cable to connect the device to the network through a smartphone.

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?

• Lightning

• Bluetooth

• NFC

• MicroUSB

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.

• Disable DHCP.

• Disable SSID broadcast.

• Update the firmware.

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

• IPS

• NAT

• Firewall

• IDS

Which of the following protocols is used by an email client to retrieve messages from an email server, giving users the option to keep mail messages on the server?

• NTP

• SMTP

• IMAP

• POP3

Which of the following identifies the interface ID component of an IPv6 address?

• The last quartet of an IPv6 address.

• The first four quartets of an IPv6 address.

• The first quartet of an IPv6 address.

• The last four quartets of an IPv6 address.

Which utility can you use to view a computer's current connections, active sessions, and ports?

• nslookup

• netstat

• ping

• ipconfig