CompTIA A+ (220-1101): Wireless Networking & Services Flashcards

1
Q

Which type of internet appliance or device might be implemented for a service that is becoming overwhelmed by client requests?

IDS

Firewall

IPS

Proxy server

Load balancer

A

Load balancer

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2
Q

Which platform does not natively support the use of Syslog server?

Unix

Microsoft

Linux

Mac OS

A

Microsoft

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3
Q

Which type of device would generally not be regarded as an IoT device?

Thermostat

Refrigerator

Light Switch

Laptop computer

Television

A

Laptop computer

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4
Q

Which types of server roles are often combined on the same server?

Mail and file

Web and mail

Web and file

File and print

Mail and print

A

File and print

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5
Q

Long-range fixed wireless networking is commonly implemented in which configurations?

Point-to-point

Ground-to-satellite

Host-to-site

Satellite-to-ground

Host-to-host

A

Point-to-point

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6
Q

Which statements correctly differentiate the 2.4GHz transmission band from the 5GHz band?

2.4GHz transmissions are more susceptible to interference

2.4GHz transmissions can carry farther than 5GHz

2.4GHz transmission can penetrate through obstacles more easily than 5GHz

5GHz transmission can carry farther than 2.4GHz

5GHz transmission can penetrate through obstacles more easily than 2.4GHz

5GHz transmission are more susceptible to interference

A

2.4GHz transmissions are more susceptible to interference

2.4GHz transmissions can carry farther than 5GHz

2.4GHz transmission can penetrate through obstacles more easily than 5GHz

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7
Q

Which 802.11 standards used the 5GHz band to transmit and receive?

n

b

ac

g

a

A

n

ac

a

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8
Q

Which component of a DHCP implementation determines the validity period of an IP address confirguration?

Scope

Request

Discover

Reservation

Lease

A

Lease

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9
Q

Which type of DNS record can be used to associate an alias to another domain?

AAAA

A

NS

CNAME

MX

A

CNAME

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10
Q

Which factor would be considered to represent the most significant risk to an organization’s network when using a legacy system or device?

Maintaining compliance

Lack of support

Migrating data

Maintaining security

Cost

A

Maintaining security

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11
Q

Which component of the AAA framework would you be using if your organization required users to enter a password and swipe a fingerprint when logging in?

Multi-factor authentication

Authorization

Authentication

Accounting

A

Multi-factor authentication

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12
Q

Bluetooth transmissions generally tend not to interfere with Wi-Fi communications for which reasons?

Bluetooth signals are typically much weaker than Wi-Fi

Bluetooth uses microwave transmissions instead of radio

Bluetooth signals are typically much stronger than Wi-Fi

Bluetooths uses frequency hopping

Bluetooth uses the 5GHz band

A

Bluetooth signals are typically much weaker than Wi-Fi

Bluetooths uses frequency hopping

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13
Q

Which channels are recommended to use for a wireless device using the 2.4GHz transmission band?

2, 7 and 12

100

36

1, 6 and 11

40

A

1, 6 and 11

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14
Q

What is the typical transmission range of devices using NFC?

A few feet

A few kilometers

4000 meters

A few inches

30 feet

A

A few inches

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