A++ Practice Test #7

Which of the following channel options would allow three Wireless Access Points (WAPs) to be set up on non-overlapping channels? 1. 1 2. 5 3. 6 3. 9 4. 9 5. 11

1, 6, 11

Which of the following frequency bands can be used by IEEE 802.11 networks? (Select all that apply) 1. 2.0 GHz 2. 2.4 GHz 3. 5.0 GHz 4. 5.4 GHz

2.4 GHz, 5.0 GHz

What is the channel bandwidth specified in the IEEE 802.11a standard? 1. 20 MHz 2. 22 MHz 3. 40 MHz 4. 80 MHz

20 MHz

Which of the following channel bandwidths is specified in the IEEE 802.11g standard? 1. 20 MHz 2. 22 MHz 3. 40 MHz 4. 80 MHz

20 MHz

The IEEE 802.11n standard specifies available channel bandwidth options of: (Select 2 answers) 1. 20 MHz 2. 22 MHz 3. 40 MHz 4. 80 MHz 5. 160 MHz

20 MHz, 40 MHz

Which of the following is a channel bandwidth used in 802.11b networks? 1. 20 MHz 2. 22 MHz 3. 40 MHz 4. 80 MHz

22 MHz

A dedicated file server is also known as a(n): 1. SMTP server 2. DNS server 3. HTTP server 4. FTP server

FTP server

Which of the following wireless technologies enables identification and tracking of tags attached to objects? 1. WMN 2. RFID 3. GPS 4. WTLS

RFID

What is the function of an HTTP server? 1. File storage 2. serving of web pages 3. Name resolution 4. Email handling

Serving of web pages

Which of the following is a type of server used to collect diagnostic and monitoring data from networked devices? 1. Proxy server 2. UC server 3. Syslog server 4. ICS server

Syslog server

The term "Channel bonding" refers to a technique that allows for combining adjacent channels to increase the amount of available bandwidth. 1. True 2. False

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. 1. True 2. False

True

Which of the following refer to IoT technologies designed to permit communication between appliances in a home automation network? (Select 2 answers) 1. Ant+ 2. RFID 3. Z-Wave 4. NFC 5. Zigbee

Z-Wave, Zigbee

Which of the following answers describe features of the IEEE 802.11ac wireless standard? (Select 3 answers) 1. Multiple Input / Multiple Output (MIMO) 2. Data signaling rate of up to 600 Mbps 3. 5.0 GHz frequency band 4. Maximum data signaling rate of up to 6. 77 Gbps 5. Multi-User Multiple Input / Multiple Output (MU-MIMO) 6. 2.4 GHz frequency band

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

The IEEE 802.11n standard offers backward compatibility with: (Select all that apply) 1. 802.11g 2. 802.11ac 3. 802.11b 4. 802.11a

802.11g, 802.11b, 802.11a

Which of the following describes the IEEE 802.11ac channel bandwidth option(s)? 1. 20 MHz 2. 22 MHz 3. 40 MHz 4. 80 MHz 5. 160 MHz 6. Any of the above

Any of the above

Which of the following is one of the functions provided by RADIUS and TACACS servers? 1. Name resolution 2. Email handling 3. Authentication 4. File storage & sharing

Authentication

Which of the following server types is used for automatic allocation of IP addresses on a network? 1. DNS server 2. DHCP server 3. FTP server 4. HTTP server

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? 1. ICS server 2. Web server 3. DNS server 4. DHCP server

DNS server

What is the function of an SMTP server? 1. Authentication 2. File storage & sharing 3. Name resolution 4. Email handling

Email handling

Which of the following are characteristic features of the IEEE 802.11n wireless standard? (Select all that apply) 1. Multiple Input / Multiple Output (MIMO) 2. Maximum data signaling rate of 54 Mbps 3. 2.4 GHz frequency band 4. Multi-User Multiple Input / Multiple Output (MU-MIMO) 5. 5.0 GHz frequency band 6. Maximum data signaling rate of up to 600 Mbps

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

IPP, LPD/LPR, and SMB/CIFS are examples of protocols that enable: 1. Name resolution 2. Printing 3. Email handling 4. IP address allocation

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? 1. Bridge 2. Active hub 3. Switch 4. Proxy

Proxy

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. 1. True 2. False

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. 1. True 2. False

True