COMPTIA A+ Practice Set G

Which of the following channel options would allow three Wireless Access Points (WAPs) to be set up on non-overlapping channels?

1 6 11

Which of the following frequency bands can be used by IEEE 802.11 networks? (Select all that apply)

2.4 GHz 5.0 GHz

What is the channel bandwidth specified in the IEEE 802.11a standard?

20 MHz

Which of the following channel bandwidths is specified in the IEEE 802.11g standard?

20 MHz

The IEEE 802.11n standard specifies available channel bandwidth options of: (Select 2 answers)

20 MHz 40 MHz

Which of the following is a channel bandwidth used in 802.11b networks?

22 MHz

Which of the following answers describe features of the IEEE 802.11ac wireless standard? (Select 3 answers)

5.0 GHz frequency band Maximum data signaling rate of up to 6.77 Gbps Multi-User Multiple Input / Multiple Output (MU-MIMO)

Which of the following are characteristic features of the IEEE 802.11n wireless standard? (Select all that apply)

Multiple Input / Multiple Output (MIMO) 2.4 GHz frequency band 5.0 GHz frequency band Maximum data signaling rate of up to 600 Mbps

What is the function of an HTTP server?

Serving of web pages

Which of the following is a type of server used to collect diagnostic and monitoring data from networked devices?

Syslog server

The term "Channel bonding" refers to a technique that allows for combining adjacent channels to increase the amount of available bandwidth.

True

The term "Unified Threat Management" (UTM) refers to a network security solution, commonly in the form of a dedicated device (called a UTM appliance or a web security gateway), which combines the functionality of a firewall with additional safeguards such as URL filtering, content inspection, spam filtering, gateway antivirus protection, IDS/IPS functionality, or malware inspection.

True

Which of the following refer to IoT technologies designed to permit communication between appliances in a home automation network? (Select 2 answers)

Z-Wave Zigbee

The IEEE 802.11n standard offers backward compatibility with: (Select all that apply)

802.11g 802.11b 802.11a

Which of the following describes the IEEE 802.11ac channel bandwidth option(s)? 20 MHz 40 MHz 80 MHz 160 MHz

Any Of The Above

Which of the following is one of the functions provided by RADIUS and TACACS servers?

Authentication

Which of the following server types is used for automatic allocation of IP addresses on a network?

DHCP Server

To connect to a website on the Internet and display its contents, a URL entered in a web browser address bar needs to be translated into an IP address. Which of the following servers handles this type of request?

DNS server

What is the function of an SMTP server?

Email handling

A dedicated file server is also known as a(n):

FTP Server

IPP, LPD/LPR, and SMB/CIFS are examples of protocols that enable:

Printing

Which of the following is a computer system or an application/service that acts as an intermediary between a network host and the Internet?

Proxy

Which of the following wireless technologies enables identification and tracking of tags attached to objects?

RFID

Long Term Evolution (LTE) is a wireless communications standard for mobile devices and wireless hotspots. LTE is much faster than the older generation of 2G and 3G cellular networks. Both LTE and its later upgrade, LTE-Advanced (LTE-A), are often marketed as 4G standards.

True

Multiple Input / Multiple Output (MIMO) is a wireless technology that allows for significant increase in data throughput due to the use of multiple antennas and multiple data streams.

True