1
Q
WLAN
A
Wireless Local Area Network (Wifi)
2
Q
WPAN
A
Wireless Personal Area Network (Bluetooth)
3
Q
WWAN
A
Wireless Wide Area Network (Cellular)
4
Q
TCP Port 80
A
HTTP
5
Q
UDP Port 5400
A
VoIP
Voice Over Internet Protocol
6
Q
TCP Port 143
A
IMAP
7
Q
TCP Port 22
A
SSH
8
Q
TCP Port 21
A
FTP
File Transfer Protocol
9
Q
TCP Port 23
A
TELNET
10
Q
TCP Port 25
A
SMTP
Simple Mail Transport Protocol
11
Q
TCP Port 111
A
POP3
12
Q
Port 3389
A
RDP
13
Q
Port 137
A
NetBIOS
14
Q
Port 139
A
NetBT
15
Q
Port 445
A
SMB/CIFS
16
Q
Port 427
A
SLP
17
Q
Port 548
A
AFP
18
Q
Port 67/68
A
DHCP
19
Q
Port 389
A
LDAP
20
Q
Port 161/162
A
SNMP
21
Q
VDI
A
Virtual Desktop Infrastructure
22
Q
DaaS
A
Desktop as a Service
23
Q
DHCP
A
Dynamic Host Configuration Protocol
24
Q
Dimensions of a Micro ATX motherboard
A
9.6” x 9.6”
25
802.11 network that utilizes 2.4 GHz and 5. GHz Frequencies to provide Wireless Networking at theoretical speeds up to 9.6 Gbps.
802.11ax (Wireless AX or WIFI6)
26
802.11 network that utilizes 5 GHz Frequency to provide Wireless Networking at theoretical Speeds up to 3.5 Gbps.
802.11ac
27
802.11 network that utilizes a 2.4 GHz Frequency to provide Wireless Networking at Speeds up to 54 Mbps.
802.11g
28
802.11 network that utilizes 2.4 GHz Frequency to provide Wireless Networking at Speeds up to 11 Mbps.
802.11b
29
802.11 network that utilizes a 5 GHz Frequency to provide Wireless Networking at Speeds up to 54 Mbps.
802.11a
30
Wireless network that utilizes 2.4 GHz Frequency to provide Wireless Networking at Speeds up to 108 Mbps or a 5.0 GHz Frequency to provide Wireless Networking at Speeds up to 600 Mbps.
802.11n
31
What are the steps for the CompTIA troubleshooting methodology?
1. Identify the problem
2. Establish a theory of probable cause
3. Test the theory to determine the cause
4. Establish a plan of action to resolve the problem and implement the solution
5. Verify system functionality, and, if applicable, implement preventative measures
6. Document findings, actions and outcomes
