CompTIA A+ (220-1101): Wireless Networking & Services Flashcards
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
Load balancer
Which platform does not natively support the use of Syslog server?
Unix
Microsoft
Linux
Mac OS
Microsoft
Which type of device would generally not be regarded as an IoT device?
Thermostat
Refrigerator
Light Switch
Laptop computer
Television
Laptop computer
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
File and print
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
Point-to-point
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
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
Which 802.11 standards used the 5GHz band to transmit and receive?
n
b
ac
g
a
n
ac
a
Which component of a DHCP implementation determines the validity period of an IP address confirguration?
Scope
Request
Discover
Reservation
Lease
Lease
Which type of DNS record can be used to associate an alias to another domain?
AAAA
A
NS
CNAME
MX
CNAME
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
Maintaining security
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
Multi-factor authentication
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
Bluetooth signals are typically much weaker than Wi-Fi
Bluetooths uses frequency hopping
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
1, 6 and 11
What is the typical transmission range of devices using NFC?
A few feet
A few kilometers
4000 meters
A few inches
30 feet
A few inches