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ISDN1 > Ch. 8 Configuring Ethernet Switching > Flashcards

Ch. 8 Configuring Ethernet Switching Flashcards

0
Q

Cisco switches can protect user mode with a simple ______ with no username for Console and telnet users

A

Password

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1
Q

The first step to securing a switch to secure access to the _____

A

CLI (command line interface)

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2
Q

The _____ command tells iOS to use simple password security

A

Login

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3
Q

The _____ _____ ______ command defines the password

A

Password password – value

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4
Q

AAA server

A

Authentication authorization and accounting server

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5
Q

Cisco switches and routers support an alternative way to keep track of usernames and passwords by using an external _____ server

A

AAA (authentication authorization and accounting)

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6
Q

Switches and AAA servers typically use either _____ or _____ protocol both of which encrypt the passwords as they traverse the network

A

RADIUS or TACAS+

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7
Q

You can set up passwords using the____ _____ command

A

Enable secret

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8
Q

MD5

A

Message digest 5

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9
Q

The _____ stores the results of the formula in the enable secret command in the configuration

A

MD5

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10
Q

A ____ is simply some text that appears on the screen for the

A

Banner

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11
Q

MOTD

A

Message of the day

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12
Q

_____ _____ List the commands currently held in history buffer

A

Show history

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13
Q

From the console or vty line configuration mode since the default number of command saved in the history buffer for the user of the console

A

History size x

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14
Q

From the EXEC this command allows a single-user to set just for this one session the size of his or her history buffer

A

Terminal history size x

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15
Q

SVI aka VLAN

A

Switched virtual interface

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16
Q

The _____ acts like the switch’s own NIC connecting into a LAN to send IP packets

A

SVI

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17
Q

A typical layer two Cisco LAN switch can only use one _____ interface at a time

A

VLAN

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18
Q

iOS uses the term _____ to refer to physical ports used for data to and from other devices

A

Interface

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19
Q

The engineer can use _____ _____ to restrict the interface on a switch so that only expected devices can use it

A

Port security

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20
Q

_____ Defines a maximum number of source Mac address is allowed for all frames coming in the interface

A

Port security

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21
Q

_____ _____ watches all incoming frames and keeps a list of all source Mac addresses plus the counter of the number of different source Mac addresses

A

Port security

22
Q

_____ ______ when adding a new source Mac address to its list checks if the number of Mac addresses pushes past the configured maximum, if this occurs a port security violations occurred the switch then shuts down the interface

A

Port security

23
Q

Port security provides an easy way to discover the Mac addresses used each port using a feature called _____ _____ MAC addresses

A

Sticky secure

24
Q

The first step in securing a switch to secure access to the ____

A

CLI (command line interface)

25
Q

Cisco switches protect enable mode for an user with the _____ ____

A

Enable password

26
Q

The user and user mode types the _____ _____ command as prompted for this enable password. If the user types the correct password iOS moves the user to enable them

A

Enable EXEC

27
Q

The console and vty password configuration uses the same two subcommand and Console and vty line configuration modes, respectively. The _____ command tells the iOS to you simple password security and the ______ password_value command defines the password

A

Login

Password

28
Q

I was protects enablement the enable secret password, configured using the global command ______ _______ password value

A

Enable secret

29
Q

The migration from using password only login method to using locally configured usernames and passwords requires only some small configuration changes. The switch needs one or more ______ name, _____ password will configuration commands to define the usernames and passwords

A

Username

Password

30
Q

Cisco switches and router support an alternative way to keep track of all usernames and passwords by using an external_____ server

A

AAA(authentication authorization and accounting)

31
Q

To support____, Cisco switches require the base configuration used to support telnet login with username plus additional configuration

A

SSH

32
Q

Using ____ the switch needs a cryptography key to encrypt the data

A

SSH

33
Q

You can encrypt some password using the____ ____-_____ global configuration command

A

Service password – encryption

34
Q

The ______ global configuration command can be used to configure all three types of messages

A

Banners

35
Q

______ Shown before the login prompt for temporary messages

A

MOTD (message of the day)

36
Q

The _____ banner is shown before the login prompt but after the message of the day banner for permanent messages such as “unauthorized access prohibited”

A

Login

37
Q

The ____ banner shown after the login prompt and used to supply information that should be hidden from unauthorized users

A

Exec

38
Q

To configure IPv4 in a switch step 1 is enter VLAN 1 configuration mode using the _____ _____ 1 global configuration command

A

Interface vlan

39
Q

To configure IPv4 in a switch step 2 is: sign the IP address and mask using the ___ ____ IP – address mask interface subcommand

A

IP addresses

40
Q

To configure IPv4 in a switch step 3 is enable the VLAN 1 interface using the ___ ____ interface subcommand

A

No shutdown

41
Q

To configure IPv4 in a switch step 4 is add the __ ____-______ IP – address global command to configure the default gateway

A

IP default – Gateway

42
Q

To configure IPv4 in a switch step 5 (optional) add the ___ ___-____ IP – address1 IP – address2…. Global command to configure the switch to use DNS to resolve names into their matching IP address

A

IP name –server

43
Q

To administratively enable an interface on the switch use the ___ ____ interface subcommand

A

No shutdown

44
Q

To disable an interface use the _____ interface subcommand

A

Shutdown

45
Q

If the network engineer knows what devices should be cabled and connected to particular interfaces on the switch the engineer can use _____ ______ to restrict that interface so that only the expected devices can use it

A

Port security

46
Q

Imagine that you have configured the enable secret command followed by the enable password command from the console. You log out of the switch and log back in at the console. which command defines the password you had to enter to access Privileged mode

A

Enable secret

47
Q

An engineer had formerly configured a Cisco switch to allow telnet access so that the switch expected a password of mypassword from the telnet user. The engineer then change the configuration to support secure shell. Which of the phone commands could have been part of the new configuration. (Choose two)
A username name password password pty mode subcommand
A username name password password global configuration command
A login local vty mode subcommand
A transport input SSH global configuration command

A

A Username name password password global configuration command

A login local vty mode subcommand

48
Q

The following command was copied and pasted into configuration mode when are user was Telnetted into a Cisco switch
Banner login this is the login banner
Which of the following is true about what occurs the next time a user logs in from the console?
No banner text is displayed
The banner text “his is” is displayed
The banner text “this is the login banner” is displayed
The Banner text”login banner configured no text defined”is displayed

A

The banner text “his is “ is displayed

49
Q

When configuring port security with sticky learning the _____ ____-_____ interface subcommand is required

A

Switchport port-security

50
Q

And engineers desktop PC connection switch at the main site. A router at the main site connects each branch office through a serial link one small router and switch at each branch. Which of the following commands must be configured on the branch office switches in the listed configuration mode to allow the engineer to telnet to the branch office switches (choose three answer)
IP address command in VLAN configuration mode
The IP address command in global mode
IP default- Gateway command in VLAN configuration mode
The IP default- Gateway command in global configuration mode
The password command in console line configuration mode
Password command vty line configuration mode

A

The IP address command in VLAN configuration mode
IP default – Gateway command in global configuration mode
The password command in vty configuration mode

51
Q

Which of the following describes a way to disable IEEE standard autonegotiation on 10/100 on a Cisco switch
Configure the negotiate disable interface subcommand
Configure the no negotiate interface subcommand
Configure the speed 100 interface subcommand
Configure the duplex half interface subcommand
Configure the duplex full interface subcommand
Configure the speed 100 and duplex full interface subcommands

A

Configure the speed 100 and duplex full interface subcommands

52
Q 
In which of the following modes of the CDI could you configure the duplex settings for interfaced fast ethernet 0/5?
User mode
Enable mode
Global configuration mode
VLAN mode
Interface configuration mode
A

Interface configuration mode

ISDN1 (28 decks)

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