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CCNA > ICND1 IOS Commands > Flashcards

ICND1 IOS Commands Flashcards

1
Q

assign your device a name

A

hostname switch01

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2
Q

assign an IP to a switch

A

int vlan 1

ip address 192.168.1.3 255.255.255.0

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3
Q

assign a default gateway to a switch

A

ip default-gateway 192.168.1.1

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4
Q

gather basic info about the device and IOS

A

show version

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5
Q

setup password to protect privilege mode

A

enable secret cisco

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6
Q

assign a password to the console port

A

line console 0 , password cisco , login

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7
Q

assign a password to telnet

A

line vty 0 , password cisco

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8
Q

encrypt all passwords in config.text

A

service password-encryption

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9
Q

create a banner

A

banner motd &Hello&

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10
Q

enable SSH

A 
username ? password ?
ip domain-name ?.com
crypto key generate key
rsa
1024
ip ssh version 2
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11
Q

configure telnet SSH for remote sessions

A

line vty 0 , transport input telnet ssh

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12
Q

configure port as access, enable security, enable violation actions, MAC learn options

A

switchport mode access
switchport portsecurity maximun 1
switchport portsecurity violation shutdown
switchport portsecurity mac sticky

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13
Q

command to configure multiple interfaces at once

A

interface range fastethernet 0/1 - 24

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14
Q

configure full duplex

A

duplex half , speed 10

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15
Q

redraw interrupted typed commands

A

line con 0 , logging synchronous

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16
Q

configure session time out

A

line con 0 , exec time-out 30 0

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17
Q

disable domain server search

A

no ip domain-lookup

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18
Q

create alias for any command

A

alias exec s show version

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19
Q

view interfaces with assigned IP address

A

show ip interface brief

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20
Q

view feedback from device

A

terminal monitor

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21
Q

view learned MAC by the switch

A

show mac address-table

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22
Q

view port security settings

A

show portsecurity interface fastethernet 0/1

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23
Q

view specific port configurations

A

show interface fastethernet 0/1

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24
Q

view the device configuration(setting)

A

show running-config

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25
view all interfaces and settings
show interface -or- show interface vlan 1
26
which OSI/TCP layer does Telnet recides ?
Application Layer
27
which OSI/TCP layer does TCP recides ?
host to host transport layer
28
which OSI/TCP layer does ARP recides ?
internet / network layer
29
which OSI/TCP layer does ethernet recides ?
network interface layer
30
which OSI/TCP layer does FTP recides ?
Application Layer
31
which OSI/TCP layer does SMTP recides ?
Application Layer
32
which OSI/TCP layer does DNS recides ?
Application Layer
33
which OSI/TCP layer does RIP recides ?
Application Layer
34
which OSI/TCP layer does SNMP recides ?
Application Layer
35
What is the speed of a T1 line ?
1.55Mbps
36
What is the speed of a WAN link ?
56Kbps
37
layer that provides network access to aaplications
Application Layer
38
in this layer Information gets formatted (generified)
Presentation
39
this layer keeps all sessions logically separate
Session
40
This layer dictates how data is sent
Transport
41
This layer defines well-known port numbers
Transport
42
This layer provides logical addressing
Network
43
This layer finds best path to a destination
Network
44
This layer provides physical adressing
Data Link
45
This layer ensures error-free data
Data Link
46
Which command under Windows OS shows all open sessions ? | which extension shows names and which one shows IPs.
netstat netstat -f netstat -n
47
Class A addresses ranges from...? | Class B Addresses have how many hosts per network ?
1-126 | 65,536
48
Class A addresses have how many hosts per network ? | Class C addresses have how many hosts per network ?
16,777,214 | 254
49
Class B addresses range from...? | Class C addresses range from...?
128-191 | 192-223
50
Class A private address Class B private address Class C private address
10. 0.0.0 - 10.255.255.255 172. 16.0.0 - 172.31.255.255 192. 168.0.0 - 192.168.255.255
51
Loop back address | Auto Config address
127. x.x.x | 169. 254.x.x
52
Application Layer in TCP/IP matches to which layers in the OSI model ?
Application Presentation Session
53
Transport layer in TCP/IP matches to which layers in the OSI model ?
Transport
54
Internet Layer in TCP/IP matches to which layers in the OSI model ?
Network
55
Network Access Layer in TCP/IP matches to which layers in the OSI model ?
Data Link | Physical
56
What type of message is ARP ?
broadcast
57
Computers don't speak directly to ...only to ...
IP | MAC
58
which address always change in data transmition thru routers, MAC or IP ?
MAC
59
Which addresses needs NAT, public or private ?
Private
60
which protocol uses sequencing TCP or UDP ?
TCP
61
Which protocol uses ACKS, UDP or TCP ?
TCP
62
Which protocol is faster, UDP or TCP ?
UDP
63
In 3-way handshake, which happens first, second, and third ? | SYNC, ACK, SYNC ACK
SYNC SYNC, ACK ACK
64
What does TCP Windowing means or what id the function of it ?
packets qty increases according to reliable connection.
65
How does error recovery works in TCP ?
when a SEQ is lost the receiving party will ask for it, e.g. SEQ11 means, 11 is needed
66
Well known ports range from 0 to what number ?
0-1023
67
the combination of an IP address and a port number is called.
Socket | 192.168.1.1:8080
68
switch mode selector RPS means
redundant power supply
69
switch mode selector STAT means
status of the device-the default
70
switch mode selector DUPLEX means
only duplex port will light up, others won't
71
switch mode selector SPEED means
ports running in 100mbps will light up ???
72
administratively down, line protocol is down, which part is physical and which part is layer 2
admin down is physical | line protocol is layer 2
73
copy settings from RAM to config.text
copy running-config | startup-config

CCNA (5 decks)

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