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CompTIA A+ Core 1 - Day 5 Flashcards | StudBud
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CompTIA A+ Core 1 - Day 5
CompTIA A+ Core 1 - Day 5
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My Computer Career - Networking I - Day 5 Review
Flashcards
40 cards
F
Practice quiz
P
Host live
L
Questions
40
Answers
1
What port does HTTPS use?
389
80
443
143
2
What port does DNS use?
80
68
53
23
3
Business network with server and clients, using single Internet appliance as access point
HTPC
MOTO
SOHO
USB
4
Why are UTP cables twisted?
To reduce RFI
To reduce crosstalk and EMI
To reduce fire hazards
To take up less space
5
Which of the following is a private Class C address?
191 . 168 . 0 . 1
192 . 168 . 47 .209
192 . 167 . 14 . 3
191 . 0 . 1 . 1
6
What device traces a cable from end to end and beeps when locator is close to correct cable?
Cable Tester
Crimper
Tone Generator
Multimeter
7
What type of device can have up to 48 ports where each port is a separate collision domain?
Switch
Hub
Bridge
Router
8
An air handling space, including ducts and other parts of the HVAC system in a building
Hot/Cold Aisles
PVC
Drop Space
Plenum
9
What combines firewall, A-V scanner, and IDS into one device?
DHCP
UTM
MMC
IDS
10
What is 237 in binary form?
1 0 1 1 0 1 1 0
1 1 1 0 1 0 1 0
1 1 1 0 1 1 0 1
1 1 0 1 0 1 0 0
11
What type of cable must not emit smoke, must self-extinguish, meet other fire safety standards?
PVC cable
UTP cable
Plenum cable
STP cable
12
What device forwards packets based on the MAC address?
Bridge
Router
Switch
Hub
13
What port does LDAP use?
389
485
3389
161
14
Which type of cable uses screened cables; shield positioned around all pairs?
UTP
MTP
FTP
STP
15
What layer of the OSI model does a switch operate at?
1
3
4
2
16
What is a LAN that spans multiple nearby buildings referred to as?
FAN
PAN
BAN
CAN
17
What supplies power from a switch port over Cat 5 or better to a powered device?
MMC
PoE
TPM
QoS
18
Two or more computers connected to each other by an appropriate transmission medium is what?
Switch
IPS
Network
Router
19
What layer of the OSI model does TCP and UDP operate at?
1
3
2
4
20
What connects two private networks over a public network (the Internet)?
PoE
VPN
DNS
DHCP
21
What are the 3 non-overlapping channels on the 2.4 GHz band?
1 , 5 , 7
1 , 6 , 11
2 , 5 , 14
1 , 7 , 10
22
What type of address is 169.254.17.251?
IPv6
Loopback
Class C
APIPA
23
What port does DHCP use?
67
80
110
53
24
What converts an internal IP address to a valid public address?
DHCP
PAT
VPN
NAT
25
What uses the IP address of a router to send packets outside of the local network?
DNS
Default gateway
Subnet mask
IPv6 Host Address
26
What port does HTTP use?
110
80
25
443
27
Which of the following is a private Class A address?
10 . 1 . 62 . 168
172 . 31 . 4 . 8
192 . 168 . 0 . 1
11 . 12 . 13 . 14
28
Which type of address is 48 bits in length and uses hex digits?
Logical Address
MAC Address
Home Address
IP Address
29
Which wireless standard operates on both 2.4 and 5 GHz bans?
802.11 n
802.11 ac
802.11 a
802.11 b
30
What port does IMAP use?
143
80
25
443
31
Which of the following is a private class B address?
172 . 0 . 13 . 1
172 . 15 . 0 . 1
172 . 16 . 48 . 137
172 . 32 . 4 . 17
32
Which of the following is a valid IPv6 address?
2001 : db8 :: abc : 0 : def0 : 1234
2001 : db8 :: abc : 0 :: def0 : 1234
2001 : db8 :: abck : 0 : def0 : 1234
2001 : gb8 :: abc : 0 : deh0 : 1234
33
What wiring standard is this : Pin 1=Orange/White; Pin 2=Orange; Pin 3=Green/White; Pin 4=Green
T568A
MMF
SMF
T568B
34
What is the 3rd layer of the OSI model?
Presentation
Data-link
Network
Transport
35
What type of wireless internet access typically has severe latency problems?
Satellite
Dial-Up
Cable
Fiber
36
What port does SMTP use?
25
110
3389
143
37
Which fiber type can run kilometers and is suitable for WANs?
STP
SMF
UTP
MMF
38
What device forwards packets based on their logical network and host ID?
Hub
Router
Bridge
Switch
39
Which protocol offers guaranteed delivery and is connection-oriented?
FTP
UPD
STP
TCP
40
What port does POP3 use?
110
80
25
143
