CompTIA Network+ Practice Test 8

Bluetooth

A popular, short-range wireless technology used for connecting various personal devices in a WPAN is called: 802.11 NFC Bluetooth Z-Wave

PAN

A type of limited-range computer network used for data transmission among various types of personal devices is generally referred to as: PAN LAN SAN MAN

SAN

A dedicated local network consisting of devices providing data access is called: SDN NAS iSCSI SAN

5.0 GHz, 2.4 GHz

Frequency bands used by 802.11 networks include: (Select 2 answers) 5.0 GHz 5.4 GHz 2.0 GHz 2.4 GHz

IEEE 802.11n standard

In 802.11 networks, the term "Channel bonding" refers to a technique that allows for combining adjacent channels to increase the amount of available bandwidth. Channel bonding was first introduced with the: IEEE 802.11a standard IEEE 802.11b standard IEEE 802.11g standard IEEE 802.11n standard IEEE 802.11ac standard

True

Long Term Evolution (LTE) is a wireless communications standard for mobile devices and wireless hotspots. LTE offers significant improvements in terms of speed when compared to the older generation of 3G cellular networks. LTE and its later revision LTE-Advanced (LTE-A) are often marketed as 4G standards. True False

IoT

An emerging field of new technologies, such as wearable tech or home automation is known as: SoC NFC IoT ESN

True

Setting up a wireless network to operate on a non-overlapping channel allows multiple networks to coexist in the same area without causing interference. True False

20 MHz, 80 MHz

The IEEE 802.11a standard specifies a channel bandwidth of: 20 MHz 22 MHz 40 MHz 80 MHz

20 MHz

The IEEE 802.11g standard specifies a channel bandwidth of: 20 MHz 22 MHz 40 MHz 80 MHz

Multiple Input / Multiple Output (MIMO), 2.4 GHz frequency band, 5.0 GHz frequency band, Maximum data signaling rate of up to 600 Mbps, Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method

The characteristic features of the IEEE 802.11n wireless standard include: (Select all that apply) Multiple Input / Multiple Output (MIMO) Maximum data signaling rate of 54 Mbps 2.4 GHz frequency band Carrier Sense Multiple Access / Collision Detection (CSMA/CD) network access method 5.0 GHz frequency band Multi-User Multiple Input / Multiple Output (MU-MIMO) Maximum data signaling rate of up to 600 Mbps Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method

5.0 GHz frequency band, Maximum data signaling rate of up to 6.77 Gbps, Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method, Multi-User Multiple Input / Multiple Output (MU-MIMO)

CompTIA Network+ Certification Exam N10-007 Practice Test 8 Page: 16 of 25 Which of the following answers refers(s) to the feature(s) of the IEEE 802.11ac wireless standard? (Select all that apply) Data signaling rate of up to 600 Mbps 5.0 GHz frequency band Carrier Sense Multiple Access / Collision Detection (CSMA/CD) network access method Maximum data signaling rate of up to 6.77 Gbps Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method Multi-User Multiple Input / Multiple Output (MU-MIMO) 2.4 GHz frequency band

Maximum data signaling rate of 54 Mbps, Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method, 2.4 GHz frequency range

What are the characteristics of the IEEE 802.11g wireless standard? (Select 3 answers) Carrier Sense Multiple Access / Collision Detection (CSMA/CD) network access method Maximum data signaling rate of 54 Mbps Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method 2.4 GHz frequency range Maximum data signaling rate of 11 Mbps 5.0 GHz frequency range

IEEE 802.11

Which IEEE standard provides the implementation basis for most modern WLANs? IEEE 802.11 IEEE 802.1x IEEE 802.3 IEEE 802.1q

Maximum data signaling rate of 54 Mbps, 5.0 GHz frequency band, Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method

Which of the answers listed below refer to the characteristic features of the IEEE 802.11a wireless standard? (Select 3 answers) Maximum data signaling rate of 54 Mbps 5.0 GHz frequency band Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method 2.4 GHz frequency band Maximum data signaling rate of 11 Mbps Carrier Sense Multiple Access / Collision Detection (CSMA/CD) network access method

TDMA

Which of the answers listed below refers to a channel access method used in 2G GSM networks? CSMA/CA TDMA CSMA/CD CDMA

22 MHz, 80 MHz

Which of the answers listed below refers to a channel bandwidth used in 802.11b networks? 20 MHz 22 MHz 40 MHz 80 MHz

IR

Which of the answers listed below refers to a short distance, line-of-sight technology used for example in home remote controls? NFC 802.3 IR Z-Wave

Z-Wave

Which of the answers listed below refers to a wireless protocol designed to provide communication between appliances in a home automation network? FCoE SDN Z-Wave SIEM

2.4 GHz frequency range, Maximum data signaling rate of 11 Mbps, Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method

Which of the following answers refer to the IEEE 802.11b wireless standard? (Select 3 answers) Maximum data signaling rate of 54 Mbps 5.0 GHz frequency range Carrier Sense Multiple Access / Collision Detection (CSMA/CD) network access method 2.4 GHz frequency range Maximum data signaling rate of 11 Mbps Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method

CAN

Which of the following answers refers to a bus topology network first developed for use in vehicles? CAN PAN VNC SAN

CDMA

Which of the following answers refers to a channel access method used in 3G cellular networks? CDMA CSMA/CD TDMA CSMA/CA

ANT+

Which of the following answers refers to a wireless connectivity technology used for monitoring sensor data collected from low-powered sports and fitness equipment? CAN WTLS UAV ANT+

RFID

Which of the following wireless technologies enables identification and tracking of tags attached to objects? WAF RFID GPS WTLS

NFC

Which type of technology enables contactless payment transactions? NFC SDN PED WAP