1. Which tasks can be accomplished by using the command history feature? (Choose two.)

View a list of commands entered in a previous session.

I have given my best possible advice on this topic if you want to know anything comment down below, our team is thriving hard to give you the best.

Recall up to 15 command lines by default.

Set the command history buffer size.

I have covered the next heading to tell you more about this topic, let me knoe if i have skipped anything

Recall previously entered commands.

Save command lines in a log file for future reference.

I would appreciate a thankyou in comments or a suggestion if you have any. Looking forward to your reaction if we were able to answer you

Set the command history buffer size.

Recall previously entered commands.

I should tell about the next thing that everyone is asking on social media and searching all over the web to find out the answer, well i have compiled answers further below

2. What is the first action in the boot sequence when a switch is powered on?

load the default Cisco IOS software

load boot loader software

Further answered questions are also very related but given separately because we can't put everything in one subheading let's check further

low-level CPU initialization

load a power-on self-test program

I would say this is the best explanation to the topic in a breif, however there are many questions that need thorrough reading

load a power-on self-test program

3. What must an administrator have in order to reset a lost password on a router?

a TFTP server

a crossover cable

access to another router

physical access to the router

physical access to the router

4. When configuring a switch for SSH access, what other command that is associated with the login local command is required to be entered on the switch?

enable secret password

password password

username username secret secret

login block-for seconds attempts number within*seconds*

username username secret secret

5. Which command displays information about the auto-MDIX setting for a specific interface?​

show interfaces

show controllers

show processes

show running-config

show controllers

6. If one end of an Ethernet connection is configured for full duplex and the other end of the connection is configured for half duplex, where would late collisions be observed?

on both ends of the connection

on the full-duplex end of the connection

only on serial interfaces

on the half-duplex end of the connection

on the half-duplex end of the connection

7. Which command is used to set the BOOT environment variable that defines where to find the IOS image file on a switch?

config-register

boot system

boot loader

confreg

boot system

8. What does a switch use to locate and load the IOS image?

BOOT environment variable

IOS image file

POST

startup-config

NVRAM

BOOT environment variable

9. Which protocol adds security to remote connections?

FTP

HTTP

NetBEUI

POP

SSH

SSH

10. What is a characteristic of an IPv4 loopback interface on a Cisco IOS router?​

The no shutdown command is required to place this interface in an UP state.​

It is a logical interface internal to the router.

Only one loopback interface can be enabled on a router.​

It is assigned to a physical port and can be connected to other devices.

It is a logical interface internal to the router.

11. What is the minimum Ethernet frame size that will not be discarded by the receiver as a runt frame?

64 bytes

512 bytes

1024 bytes

1500 bytes

64 bytes

12. After which step of the switch bootup sequence is the boot loader executed?

after CPU initialization

after IOS localization

after flash file system initialization

after POST execution

after POST execution

13. Which impact does adding a Layer 2 switch have on a network?

an increase in the number of dropped frames

an increase in the size of the broadcast domain

an increase in the number of network collisions

an increase in the size of the collision domain

an increase in the size of the broadcast domain

14. Which characteristic describes cut-through switching?

Error-free fragments are forwarded, so switching occurs with lower latency.

Frames are forwarded without any error checking.

Only outgoing frames are checked for errors.

Buffering is used to support different Ethernet speeds.

Frames are forwarded without any error checking.

15. What is the significant difference between a hub and a Layer 2 LAN switch?

A hub extends a collision domain, and a switch divides collision domains.

A hub divides collision domains, and a switch divides broadcast domains.

Each port of a hub is a collision domain, and each port of a switch is a broadcast domain.

A hub forwards frames, and a switch forwards only packets.

A hub extends a collision domain, and a switch divides collision domains.

17. How do switch buffers affect network performance?

They provide error checking on the data received.

They store frames received, thus preventing premature frame discarding when network congestion occurs.

They provide extra memory for a particular port if autonegotiation of speed or duplex fails.

They hold data temporarily when a collision occurs until normal data transmission resumes.

They store frames received, thus preventing premature frame discarding when network congestion occurs.

18. Which switch characteristic helps keep traffic local and alleviates network congestion?

high port density

fast port speed

large frame buffers

fast internal switching

high port density

19. Which switch component reduces the amount of packet handling time inside the switch?

ASIC

dual processors

large buffer size

store-and-forward RAM

ASIC

22. Which switching method ensures that the incoming frame is error-free before forwarding?

cut-through

FCS

fragment free

store-and-forward

store-and-forward

23. Refer to the exhibit. How many broadcast domains are displayed?

24. Under which two occasions should an administrator disable DTP while managing a local area network? (Choose two.)

when connecting a Cisco switch to a non-Cisco switch

when a neighbor switch uses a DTP mode of dynamic auto

when a neighbor switch uses a DTP mode of dynamic desirable

on links that should not be trunking

on links that should dynamically attempt trunking

when connecting a Cisco switch to a non-Cisco switch

on links that should not be trunking

25. Which two characteristics describe the native VLAN? (Choose two.)

Designed to carry traffic that is generated by users, this type of VLAN is also known as the default VLAN.

The native VLAN traffic will be untagged across the trunk link.

This VLAN is necessary for remote management of a switch.

High priority traffic, such as voice traffic, uses the native VLAN.

The native VLAN provides a common identifier to both ends of a trunk.

The native VLAN traffic will be untagged across the trunk link.

The native VLAN provides a common identifier to both ends of a trunk.

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26. On a switch that is configured with multiple VLANs, which command will remove only VLAN 100 from the switch?

Switch# delete flash:vlan.dat

Switch(config-if)# no switchport access vlan 100

Switch(config-if)# no switchport trunk allowed vlan 100

Switch(config)# no vlan 100

Switch(config)# no vlan 100

28. A network contains multiple VLANs spanning multiple switches. What happens when a device in VLAN 20 sends a broadcast Ethernet frame?

All devices in all VLANs see the frame.

Devices in VLAN 20 and the management VLAN see the frame.

Only devices in VLAN 20 see the frame.

Only devices that are connected to the local switch see the frame.

Only devices in VLAN 20 see the frame.

29. Refer to the exhibit. All workstations are configured correctly in VLAN 20. Workstations that are connected to switch SW1 are not able to send traffic to workstations on SW2. What could be done to remedy the problem?

30. What happens to switch ports after the VLAN to which they are assigned is deleted?

The ports are disabled.

The ports are placed in trunk mode.

The ports are assigned to VLAN1, the default VLAN.

The ports stop communicating with the attached devices.

The ports stop communicating with the attached devices.

34. Port Fa0/11 on a switch is assigned to VLAN 30. If the command no switchport access vlan 30 is entered on the Fa0/11 interface, what will happen?

Port Fa0/11 will be shutdown.

An error message would be displayed.

Port Fa0/11 will be returned to VLAN 1.

VLAN 30 will be deleted.

Port Fa0/11 will be returned to VLAN 1.

35. Which command displays the encapsulation type, the voice VLAN ID, and the access mode VLAN for the Fa0/1 interface?

show vlan brief

show interfaces Fa0/1 switchport

show mac address-table interface Fa0/1

show interfaces trunk

show interfaces Fa0/1 switchport

37. Which four steps are needed to configure a voice VLAN on a switch port? (Choose four).

Configure the interface as an IEEE 802.1Q trunk.

Assign the voice VLAN to the switch port.

Activate spanning-tree PortFast on the interface.

Ensure that voice traffic is trusted and tagged with a CoS priority value.

Add a voice VLAN.

Configure the switch port interface with subinterfaces.

Assign a data VLAN to the switch port.

Configure the switch port in access mode.

Assign the voice VLAN to the switch port.

Ensure that voice traffic is trusted and tagged with a CoS priority value.

Add a voice VLAN.

Configure the switch port in access mode.

38. Refer to the exhibit. PC1 is unable to communicate with server 1. The network administrator issues the show interfaces trunk command to begin troubleshooting. What conclusion can be made based on the output of this command?

39. Refer to the exhibit. What is the cause of the error that is displayed in the configuration of inter-VLAN routing on router CiscoVille?

40. Refer to the exhibit. A network administrator has configured router CiscoVille with the above commands to provide inter-VLAN routing. What command will be required on a switch that is connected to the Gi0/0 interface on router CiscoVille to allow inter-VLAN routing?​

41. A high school uses VLAN15 for the laboratory network and VLAN30 for the faculty network. What is required to enable communication between these two VLANs while using the router-on-a-stick approach?

A multilayer switch is needed.

A router with at least two LAN interfaces is needed.

Two groups of switches are needed, each with ports that are configured for one VLAN.

A switch with a port that is configured as a trunk is needed when connecting to the router.

A switch with a port that is configured as a trunk is needed when connecting to the router.

42. When routing a large number of VLANs, what are two disadvantages of using the router-on-a-stick inter-VLAN routing method rather than the multilayer switch inter-VLAN routing method? (Choose two.)

Multiple SVIs are needed.

A dedicated router is required.

Router-on-a-stick requires subinterfaces to be configured on the same subnets.

Router-on-a-stick requires multiple physical interfaces on a router.

Multiple subinterfaces may impact the traffic flow speed.

A dedicated router is required.

Multiple subinterfaces may impact the traffic flow speed.

43. Refer to the exhibit. A network administrator is verifying the configuration of inter-VLAN routing. Users complain that PCs on different VLANs cannot communicate. Based on the output, what are two configuration errors on switch interface Gi1/1? (Choose two.)

44. Refer to the exhibit. A network administrator is verifying the configuration of inter-VLAN routing. Users complain that PC2 cannot communicate with PC1. Based on the output, what is the possible cause of the problem?

45. Refer to the exhibit. A network administrator has configured router CiscoVille with the above commands to provide inter-VLAN routing. What type of port will be required on a switch that is connected to Gi0/0 on router CiscoVille to allow inter-VLAN routing?

46. Refer to the exhibit. A network administrator is configuring RT1 for inter-VLAN routing. The switch is configured correctly and is functional. Host1, Host2, and Host3 cannot communicate with each other. Based on the router configuration, what is causing the problem?

47. Refer to the exhibit. A router-on-a-stick configuration was implemented for VLANs 15, 30, and 45, according to the show running-config command output. PCs on VLAN 45 that are using the 172.16.45.0 /24 network are having trouble connecting to PCs on VLAN 30 in the 172.16.30.0 /24 network. Which error is most likely causing this problem?​

48. What is a characteristic of a routed port on a Layer 3 switch?

It supports trunking.

It is not assigned to a VLAN.

It is commonly used as a WAN link.

It cannot have an IP address assigned to it.

It is not assigned to a VLAN.

49. Refer to the exhibit. A network administrator needs to configure router-on-a-stick for the networks that are shown. How many subinterfaces will have to be created on the router if each VLAN that is shown is to be routed and each VLAN has its own subinterface?

50. A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw(config-if)# mdix auto command?

It automatically adjusts the port to allow device connections to use either a straight-through or a crossover cable.

It applies an IPv4 address to the virtual interface.

It applies an IPv6 address to the virtual interface.

It permits an IPv6 address to be configured on a switch physical interface.

It updates the MAC address table for the associated port.

It automatically adjusts the port to allow device connections to use either a straight-through or a crossover cable.

51. A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw(config-if)# ip address 172.18.33.88 255.255.255.0 command?

It applies an IPv4 address to the virtual interface.

It applies an IPv6 address to the virtual interface.

It activates a virtual or physical switch interface.

It permits an IPv6 address to be configured on a switch physical interface.

It updates the MAC address table for the associated port.

It applies an IPv4 address to the virtual interface.

52. A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw# configure terminal command?

It enters the global configuration mode.

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It enters configuration mode for a switch virtual interface.

It applies an IPv4 address to the virtual interface.

It updates the MAC address table for the associated port.

It permits an IPv6 address to be configured on a switch physical interface.

It enters the global configuration mode.

53. A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw# configure terminal command?

It enters the global configuration mode.

It saves the running configuration to NVRAM.

It disables a virtual or physical switch interface.

It updates the MAC address table for the associated port.

It saves the startup configuration to the running configuration.

It enters the global configuration mode.

54. A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw(config-if)# shutdown command?

It disables a virtual or physical switch interface.

It saves the running configuration to NVRAM.

It activates a virtual or physical switch interface.

It updates the MAC address table for the associated port.

It saves the startup configuration to the running configuration.

It disables a virtual or physical switch interface.

55. A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw(config-if)# shutdown command?

It disables a virtual or physical switch interface.

It applies an IPv6 address to the virtual interface.

It applies an IPv4 address to the virtual interface.

It permits an IPv6 address to be configured on a switch physical interface.

It updates the MAC address table for the associated port.

It disables a virtual or physical switch interface.

56. A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw(config-if)# ipv6 address 2001:db8:a2b4:88::1/64 command?

It applies an IPv6 address to the virtual interface.

It activates a virtual or physical switch interface.

It applies an IPv4 address to the virtual interface.

It permits an IPv6 address to be configured on a switch physical interface.

It updates the MAC address table for the associated port.

It applies an IPv6 address to the virtual interface.

57. A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw(config-if)# exit command?

It returns to global configuration mode.

It returns to privileged mode.

It configures the default gateway for the switch.

It enters user mode.

It saves the startup configuration to the running configuration.

It returns to global configuration mode.

58. A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw> enable command?

It enters privileged mode.

It enters the global configuration mode.

It enters configuration mode for a switch virtual interface.

It updates the MAC address table for the associated port.

It permits an IPv6 address to be configured on a switch physical interface.

It enters privileged mode.

58. A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw(config-if)# duplex full command?

It allows data to flow in both directions at the same time on the interface.

It allows data to flow in only one direction at a time on the interface

It automatically adjusts the port to allow device connections to use either a straight-through or a crossover cable.

It configures the switch as the default gateway.

It encrypts user-mode passwords when users connect remotely.

It allows data to flow in both directions at the same time on the interface.

60. What type of VLAN should not carry voice and network management traffic?

data VLAN

voice VLAN

management VLAN

security VLAN

data VLAN

62. What type of VLAN is designed to reserve bandwidth to ensure IP Phone quality?

voice VLAN

trunk VLAN

security VLAN

management VLAN

voice VLAN

63. What type of VLAN is initially the management VLAN?

default VLAN

native VLAN

data VLAN

management VLAN

default VLAN

64. What type of VLAN is designed to have a delay of less than 150 ms across the network?

voice VLAN

desirable VLAN

trunk VLAN

security VLAN

voice VLAN

65. What type of VLAN is used to separate the network into groups of users or devices?

data VLAN

management VLAN

voice VLAN

native VLAN

data VLAN

66. What type of VLAN is configured specifically for network traffic such as SSH, Telnet, HTTPS, HTTP, and SNMP?

management VLAN

security VLAN

trunk VLAN

voice VLAN

management VLAN

68. What type of VLAN supports untagged traffic?

native VLAN

voice VLAN

security VLAN

management VLAN

native VLAN

69. What type of VLAN supports untagged traffic?

native VLAN

desirable VLAN

trunk VLAN

security VLAN

native VLAN

70. Refer to the exhibit. A network administrator has configured R1 as shown. When the administrator checks the status of the serial interface, the interface is shown as being administratively down. What additional command must be entered on the serial interface of R1 to bring the interface up?

71. Refer to the exhibit. The network administrator wants to configure Switch1 to allow SSH connections and prohibit Telnet connections. How should the network administrator change the displayed configuration to satisfy the requirement?

72. Which solution would help a college alleviate network congestion due to collisions?

a firewall that connects to two Internet providers

a high port density switch

a router with two Ethernet ports

a router with three Ethernet ports

a high port density switch

73. Which two statements are correct with respect to SVI inter-VLAN routing? (Choose two.)

Switching packets is faster with SVI.

There is no need for a connection to a router.

Virtual interfaces support subinterfaces.

SVIs can be bundled into EtherChannels.

SVIs eliminate the need for a default gateway in the hosts.

Switching packets is faster with SVI.

There is no need for a connection to a router.

74. Refer to the exhibit. A network administrator is configuring inter-VLAN routing on a network. For now, only one VLAN is being used, but more will be added soon. What is the missing parameter that is shown as the highlighted question mark in the graphic?

75. Which type of VLAN is used to designate which traffic is untagged when crossing a trunk port?

data

default

native

management

native

76. A network administrator issues the show vlan brief command while troubleshooting a user support ticket. What output will be displayed?

the VLAN assignment and membership for device MAC addresses

the VLAN assignment and membership for all switch ports

the VLAN assignment and trunking encapsulation

the VLAN assignment and native VLAN

the VLAN assignment and membership for all switch ports

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