IP Services (DHCP and DNS functionalities, NAT configurations and troubleshooting, QoS principles) Flashcards
(200 cards)
1
Q
What does DHCP stand for?
A
Dynamic Host Configuration Protocol
2
Q
What is the purpose of DHCP?
A
To automatically assign IP addresses to devices on a network
3
Q
What are the four steps in the DHCP process?
A
Discover, Offer, Request, Acknowledge (DORA)
4
Q
What is a DHCP lease?
A
The amount of time an IP address is assigned to a device
5
Q
What is a DHCP reservation?
A
A permanent IP address assignment based on MAC address
6
Q
What does DNS stand for?
A
Domain Name System
7
Q
What is the purpose of DNS?
A
To translate domain names into IP addresses
8
Q
What is an A record in DNS?
A
Maps a domain name to an IPv4 address
9
Q
What is an AAAA record in DNS?
A
Maps a domain name to an IPv6 address
10
Q
What is a CNAME record in DNS?
A
An alias for another domain name
11
Q
What does DHCP stand for? (11)
A
Dynamic Host Configuration Protocol
12
Q
What is the purpose of DHCP? (12)
A
To automatically assign IP addresses to devices on a network
13
Q
What are the four steps in the DHCP process? (13)
A
Discover, Offer, Request, Acknowledge (DORA)
14
Q
What is a DHCP lease? (14)
A
The amount of time an IP address is assigned to a device
15
Q
What is a DHCP reservation? (15)
A
A permanent IP address assignment based on MAC address
16
Q
What does DNS stand for? (16)
A
Domain Name System
17
Q
What is the purpose of DNS? (17)
A
To translate domain names into IP addresses
18
Q
What is an A record in DNS? (18)
A
Maps a domain name to an IPv4 address
19
Q
What is an AAAA record in DNS? (19)
A
Maps a domain name to an IPv6 address
20
Q
What is a CNAME record in DNS? (20)
A
An alias for another domain name
21
Q
What does DHCP stand for? (21)
A
Dynamic Host Configuration Protocol
22
Q
What is the purpose of DHCP? (22)
A
To automatically assign IP addresses to devices on a network
23
Q
What are the four steps in the DHCP process? (23)
A
Discover, Offer, Request, Acknowledge (DORA)
24
Q
What is a DHCP lease? (24)
A
The amount of time an IP address is assigned to a device
25
What is a DHCP reservation? (25)
A permanent IP address assignment based on MAC address
26
What does DNS stand for? (26)
Domain Name System
27
What is the purpose of DNS? (27)
To translate domain names into IP addresses
28
What is an A record in DNS? (28)
Maps a domain name to an IPv4 address
29
What is an AAAA record in DNS? (29)
Maps a domain name to an IPv6 address
30
What is a CNAME record in DNS? (30)
An alias for another domain name
31
What does DHCP stand for? (31)
Dynamic Host Configuration Protocol
32
What is the purpose of DHCP? (32)
To automatically assign IP addresses to devices on a network
33
What are the four steps in the DHCP process? (33)
Discover, Offer, Request, Acknowledge (DORA)
34
What is a DHCP lease? (34)
The amount of time an IP address is assigned to a device
35
What is a DHCP reservation? (35)
A permanent IP address assignment based on MAC address
36
What does DNS stand for? (36)
Domain Name System
37
What is the purpose of DNS? (37)
To translate domain names into IP addresses
38
What is an A record in DNS? (38)
Maps a domain name to an IPv4 address
39
What is an AAAA record in DNS? (39)
Maps a domain name to an IPv6 address
40
What is a CNAME record in DNS? (40)
An alias for another domain name
41
What does DHCP stand for? (41)
Dynamic Host Configuration Protocol
42
What is the purpose of DHCP? (42)
To automatically assign IP addresses to devices on a network
43
What are the four steps in the DHCP process? (43)
Discover, Offer, Request, Acknowledge (DORA)
44
What is a DHCP lease? (44)
The amount of time an IP address is assigned to a device
45
What is a DHCP reservation? (45)
A permanent IP address assignment based on MAC address
46
What does DNS stand for? (46)
Domain Name System
47
What is the purpose of DNS? (47)
To translate domain names into IP addresses
48
What is an A record in DNS? (48)
Maps a domain name to an IPv4 address
49
What is an AAAA record in DNS? (49)
Maps a domain name to an IPv6 address
50
What is a CNAME record in DNS? (50)
An alias for another domain name
51
What does DHCP stand for? (51)
Dynamic Host Configuration Protocol
52
What is the purpose of DHCP? (52)
To automatically assign IP addresses to devices on a network
53
What are the four steps in the DHCP process? (53)
Discover, Offer, Request, Acknowledge (DORA)
54
What is a DHCP lease? (54)
The amount of time an IP address is assigned to a device
55
What is a DHCP reservation? (55)
A permanent IP address assignment based on MAC address
56
What does DNS stand for? (56)
Domain Name System
57
What is the purpose of DNS? (57)
To translate domain names into IP addresses
58
What is an A record in DNS? (58)
Maps a domain name to an IPv4 address
59
What is an AAAA record in DNS? (59)
Maps a domain name to an IPv6 address
60
What is a CNAME record in DNS? (60)
An alias for another domain name
61
What does DHCP stand for? (61)
Dynamic Host Configuration Protocol
62
What is the purpose of DHCP? (62)
To automatically assign IP addresses to devices on a network
63
What are the four steps in the DHCP process? (63)
Discover, Offer, Request, Acknowledge (DORA)
64
What is a DHCP lease? (64)
The amount of time an IP address is assigned to a device
65
What is a DHCP reservation? (65)
A permanent IP address assignment based on MAC address
66
What does DNS stand for? (66)
Domain Name System
67
What is the purpose of DNS? (67)
To translate domain names into IP addresses
68
What is an A record in DNS? (68)
Maps a domain name to an IPv4 address
69
What is an AAAA record in DNS? (69)
Maps a domain name to an IPv6 address
70
What is a CNAME record in DNS? (70)
An alias for another domain name
71
What does NAT stand for?
Network Address Translation
72
What is the main function of NAT?
To translate private IP addresses to a public IP address
73
What is PAT?
Port Address Translation, a form of NAT using ports
74
What is Static NAT?
A one-to-one mapping between private and public IP addresses
75
What is Dynamic NAT?
Maps private IPs to a pool of public IPs
76
What is the purpose of NAT in home networks?
To allow multiple devices to share one public IP
77
What command shows NAT translations on a Cisco router?
show ip nat translations
78
What command clears NAT translations on Cisco?
clear ip nat translation *
79
What is a common issue caused by NAT?
Breaks end-to-end connectivity for some applications
80
Which type of NAT allows multiple devices to share a single public IP?
PAT
81
What does NAT stand for? (11)
Network Address Translation
82
What is the main function of NAT? (12)
To translate private IP addresses to a public IP address
83
What is PAT? (13)
Port Address Translation, a form of NAT using ports
84
What is Static NAT? (14)
A one-to-one mapping between private and public IP addresses
85
What is Dynamic NAT? (15)
Maps private IPs to a pool of public IPs
86
What is the purpose of NAT in home networks? (16)
To allow multiple devices to share one public IP
87
What command shows NAT translations on a Cisco router? (17)
show ip nat translations
88
What command clears NAT translations on Cisco? (18)
clear ip nat translation *
89
What is a common issue caused by NAT? (19)
Breaks end-to-end connectivity for some applications
90
Which type of NAT allows multiple devices to share a single public IP? (20)
PAT
91
What does NAT stand for? (21)
Network Address Translation
92
What is the main function of NAT? (22)
To translate private IP addresses to a public IP address
93
What is PAT? (23)
Port Address Translation, a form of NAT using ports
94
What is Static NAT? (24)
A one-to-one mapping between private and public IP addresses
95
What is Dynamic NAT? (25)
Maps private IPs to a pool of public IPs
96
What is the purpose of NAT in home networks? (26)
To allow multiple devices to share one public IP
97
What command shows NAT translations on a Cisco router? (27)
show ip nat translations
98
What command clears NAT translations on Cisco? (28)
clear ip nat translation *
99
What is a common issue caused by NAT? (29)
Breaks end-to-end connectivity for some applications
100
Which type of NAT allows multiple devices to share a single public IP? (30)
PAT
101
What does NAT stand for? (31)
Network Address Translation
102
What is the main function of NAT? (32)
To translate private IP addresses to a public IP address
103
What is PAT? (33)
Port Address Translation, a form of NAT using ports
104
What is Static NAT? (34)
A one-to-one mapping between private and public IP addresses
105
What is Dynamic NAT? (35)
Maps private IPs to a pool of public IPs
106
What is the purpose of NAT in home networks? (36)
To allow multiple devices to share one public IP
107
What command shows NAT translations on a Cisco router? (37)
show ip nat translations
108
What command clears NAT translations on Cisco? (38)
clear ip nat translation *
109
What is a common issue caused by NAT? (39)
Breaks end-to-end connectivity for some applications
110
Which type of NAT allows multiple devices to share a single public IP? (40)
PAT
111
What does NAT stand for? (41)
Network Address Translation
112
What is the main function of NAT? (42)
To translate private IP addresses to a public IP address
113
What is PAT? (43)
Port Address Translation, a form of NAT using ports
114
What is Static NAT? (44)
A one-to-one mapping between private and public IP addresses
115
What is Dynamic NAT? (45)
Maps private IPs to a pool of public IPs
116
What is the purpose of NAT in home networks? (46)
To allow multiple devices to share one public IP
117
What command shows NAT translations on a Cisco router? (47)
show ip nat translations
118
What command clears NAT translations on Cisco? (48)
clear ip nat translation *
119
What is a common issue caused by NAT? (49)
Breaks end-to-end connectivity for some applications
120
Which type of NAT allows multiple devices to share a single public IP? (50)
PAT
121
What does NAT stand for? (51)
Network Address Translation
122
What is the main function of NAT? (52)
To translate private IP addresses to a public IP address
123
What is PAT? (53)
Port Address Translation, a form of NAT using ports
124
What is Static NAT? (54)
A one-to-one mapping between private and public IP addresses
125
What is Dynamic NAT? (55)
Maps private IPs to a pool of public IPs
126
What is the purpose of NAT in home networks? (56)
To allow multiple devices to share one public IP
127
What command shows NAT translations on a Cisco router? (57)
show ip nat translations
128
What command clears NAT translations on Cisco? (58)
clear ip nat translation *
129
What is a common issue caused by NAT? (59)
Breaks end-to-end connectivity for some applications
130
Which type of NAT allows multiple devices to share a single public IP? (60)
PAT
131
What does NAT stand for? (61)
Network Address Translation
132
What is the main function of NAT? (62)
To translate private IP addresses to a public IP address
133
What is PAT? (63)
Port Address Translation, a form of NAT using ports
134
What is Static NAT? (64)
A one-to-one mapping between private and public IP addresses
135
What is Dynamic NAT? (65)
Maps private IPs to a pool of public IPs
136
What is the purpose of NAT in home networks? (66)
To allow multiple devices to share one public IP
137
What command shows NAT translations on a Cisco router? (67)
show ip nat translations
138
What command clears NAT translations on Cisco? (68)
clear ip nat translation *
139
What is a common issue caused by NAT? (69)
Breaks end-to-end connectivity for some applications
140
Which type of NAT allows multiple devices to share a single public IP? (70)
PAT
141
What does QoS stand for?
Quality of Service
142
What is the purpose of QoS?
To manage network traffic and ensure performance for critical applications
143
What are QoS classifications used for?
To identify and prioritize different types of traffic
144
What is traffic shaping?
Controlling the flow and speed of network traffic
145
What is traffic policing?
Dropping or marking packets that exceed a certain rate
146
What is DSCP?
Differentiated Services Code Point, used for packet marking in QoS
147
What is a priority queue in QoS?
A queue that is serviced first to ensure low latency
148
What is congestion management?
Techniques used to handle traffic overloads
149
What is the difference between shaping and policing?
Shaping delays excess traffic; policing drops it
150
How does QoS benefit VoIP and video conferencing?
Reduces latency and jitter for better performance
151
What does QoS stand for? (11)
Quality of Service
152
What is the purpose of QoS? (12)
To manage network traffic and ensure performance for critical applications
153
What are QoS classifications used for? (13)
To identify and prioritize different types of traffic
154
What is traffic shaping? (14)
Controlling the flow and speed of network traffic
155
What is traffic policing? (15)
Dropping or marking packets that exceed a certain rate
156
What is DSCP? (16)
Differentiated Services Code Point, used for packet marking in QoS
157
What is a priority queue in QoS? (17)
A queue that is serviced first to ensure low latency
158
What is congestion management? (18)
Techniques used to handle traffic overloads
159
What is the difference between shaping and policing? (19)
Shaping delays excess traffic; policing drops it
160
How does QoS benefit VoIP and video conferencing? (20)
Reduces latency and jitter for better performance
161
What does QoS stand for? (21)
Quality of Service
162
What is the purpose of QoS? (22)
To manage network traffic and ensure performance for critical applications
163
What are QoS classifications used for? (23)
To identify and prioritize different types of traffic
164
What is traffic shaping? (24)
Controlling the flow and speed of network traffic
165
What is traffic policing? (25)
Dropping or marking packets that exceed a certain rate
166
What is DSCP? (26)
Differentiated Services Code Point, used for packet marking in QoS
167
What is a priority queue in QoS? (27)
A queue that is serviced first to ensure low latency
168
What is congestion management? (28)
Techniques used to handle traffic overloads
169
What is the difference between shaping and policing? (29)
Shaping delays excess traffic; policing drops it
170
How does QoS benefit VoIP and video conferencing? (30)
Reduces latency and jitter for better performance
171
What does QoS stand for? (31)
Quality of Service
172
What is the purpose of QoS? (32)
To manage network traffic and ensure performance for critical applications
173
What are QoS classifications used for? (33)
To identify and prioritize different types of traffic
174
What is traffic shaping? (34)
Controlling the flow and speed of network traffic
175
What is traffic policing? (35)
Dropping or marking packets that exceed a certain rate
176
What is DSCP? (36)
Differentiated Services Code Point, used for packet marking in QoS
177
What is a priority queue in QoS? (37)
A queue that is serviced first to ensure low latency
178
What is congestion management? (38)
Techniques used to handle traffic overloads
179
What is the difference between shaping and policing? (39)
Shaping delays excess traffic; policing drops it
180
How does QoS benefit VoIP and video conferencing? (40)
Reduces latency and jitter for better performance
181
What does QoS stand for? (41)
Quality of Service
182
What is the purpose of QoS? (42)
To manage network traffic and ensure performance for critical applications
183
What are QoS classifications used for? (43)
To identify and prioritize different types of traffic
184
What is traffic shaping? (44)
Controlling the flow and speed of network traffic
185
What is traffic policing? (45)
Dropping or marking packets that exceed a certain rate
186
What is DSCP? (46)
Differentiated Services Code Point, used for packet marking in QoS
187
What is a priority queue in QoS? (47)
A queue that is serviced first to ensure low latency
188
What is congestion management? (48)
Techniques used to handle traffic overloads
189
What is the difference between shaping and policing? (49)
Shaping delays excess traffic; policing drops it
190
How does QoS benefit VoIP and video conferencing? (50)
Reduces latency and jitter for better performance
191
What does QoS stand for? (51)
Quality of Service
192
What is the purpose of QoS? (52)
To manage network traffic and ensure performance for critical applications
193
What are QoS classifications used for? (53)
To identify and prioritize different types of traffic
194
What is traffic shaping? (54)
Controlling the flow and speed of network traffic
195
What is traffic policing? (55)
Dropping or marking packets that exceed a certain rate
196
What is DSCP? (56)
Differentiated Services Code Point, used for packet marking in QoS
197
What is a priority queue in QoS? (57)
A queue that is serviced first to ensure low latency
198
What is congestion management? (58)
Techniques used to handle traffic overloads
199
What is the difference between shaping and policing? (59)
Shaping delays excess traffic; policing drops it
200
How does QoS benefit VoIP and video conferencing? (60)
Reduces latency and jitter for better performance
