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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
Q

view all interfaces and settings

A

show interface -or- show interface vlan 1

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26
Q

which OSI/TCP layer does Telnet recides ?

A

Application Layer

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27
Q

which OSI/TCP layer does TCP recides ?

A

host to host transport layer

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28
Q

which OSI/TCP layer does ARP recides ?

A

internet / network layer

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29
Q

which OSI/TCP layer does ethernet recides ?

A

network interface layer

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30
Q

which OSI/TCP layer does FTP recides ?

A

Application Layer

31
Q

which OSI/TCP layer does SMTP recides ?

A

Application Layer

32
Q

which OSI/TCP layer does DNS recides ?

A

Application Layer

33
Q

which OSI/TCP layer does RIP recides ?

A

Application Layer

34
Q

which OSI/TCP layer does SNMP recides ?

A

Application Layer

35
Q

What is the speed of a T1 line ?

A

1.55Mbps

36
Q

What is the speed of a WAN link ?

A

56Kbps

37
Q

layer that provides network access to aaplications

A

Application Layer

38
Q

in this layer Information gets formatted (generified)

A

Presentation

39
Q

this layer keeps all sessions logically separate

A

Session

40
Q

This layer dictates how data is sent

A

Transport

41
Q

This layer defines well-known port numbers

A

Transport

42
Q

This layer provides logical addressing

A

Network

43
Q

This layer finds best path to a destination

A

Network

44
Q

This layer provides physical adressing

A

Data Link

45
Q

This layer ensures error-free data

A

Data Link

46
Q

Which command under Windows OS shows all open sessions ?

which extension shows names and which one shows IPs.

A

netstat
netstat -f
netstat -n

47
Q

Class A addresses ranges from…?

Class B Addresses have how many hosts per network ?

A

1-126

65,536

48
Q

Class A addresses have how many hosts per network ?

Class C addresses have how many hosts per network ?

A

16,777,214

254

49
Q

Class B addresses range from…?

Class C addresses range from…?

A

128-191

192-223

50
Q

Class A private address
Class B private address
Class C private address

A
  1. 0.0.0 - 10.255.255.255
  2. 16.0.0 - 172.31.255.255
  3. 168.0.0 - 192.168.255.255
51
Q

Loop back address

Auto Config address

A
  1. x.x.x

169. 254.x.x

52
Q

Application Layer in TCP/IP matches to which layers in the OSI model ?

A

Application
Presentation
Session

53
Q

Transport layer in TCP/IP matches to which layers in the OSI model ?

A

Transport

54
Q

Internet Layer in TCP/IP matches to which layers in the OSI model ?

A

Network

55
Q

Network Access Layer in TCP/IP matches to which layers in the OSI model ?

A

Data Link

Physical

56
Q

What type of message is ARP ?

A

broadcast

57
Q

Computers don’t speak directly to …only to …

A

IP

MAC

58
Q

which address always change in data transmition thru routers, MAC or IP ?

A

MAC

59
Q

Which addresses needs NAT, public or private ?

A

Private

60
Q

which protocol uses sequencing TCP or UDP ?

A

TCP

61
Q

Which protocol uses ACKS, UDP or TCP ?

A

TCP

62
Q

Which protocol is faster, UDP or TCP ?

A

UDP

63
Q

In 3-way handshake, which happens first, second, and third ?

SYNC, ACK, SYNC ACK

A

SYNC
SYNC, ACK
ACK

64
Q

What does TCP Windowing means or what id the function of it ?

A

packets qty increases according to reliable connection.

65
Q

How does error recovery works in TCP ?

A

when a SEQ is lost the receiving party will ask for it, e.g. SEQ11 means, 11 is needed

66
Q

Well known ports range from 0 to what number ?

A

0-1023

67
Q

the combination of an IP address and a port number is called.

A

Socket

192.168.1.1:8080

68
Q

switch mode selector RPS means

A

redundant power supply

69
Q

switch mode selector STAT means

A

status of the device-the default

70
Q

switch mode selector DUPLEX means

A

only duplex port will light up, others won’t

71
Q

switch mode selector SPEED means

A

ports running in 100mbps will light up ???

72
Q

administratively down, line protocol is down, which part is physical and which part is layer 2

A

admin down is physical

line protocol is layer 2

73
Q

copy settings from RAM to config.text

A

copy running-config

startup-config

CCNA (5 decks)

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