Cisco Mod 1-4

Front 1

Which tasks can be accomplished by using the command history feature?

Back 1

Set the command history buffer size.

Recall previously entered commands.

Front 2

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

Back 2

load a power-on self-test program

Front 3

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

Back 3

physical access to the router

Front 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?

Back 4

username username secret secret

Front 5

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

Back 5

show controllers

Front 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?

Back 6

on the half-duplex end of the connection

Front 7

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

Back 7

boot system

Front 8

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

Back 8

BOOT environment variable

Front 9

Which protocol adds security to remote connections?

Back 9

SSH

Front 10

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

Back 10

It is a logical interface internal to the router.

Front 11

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

Back 11

64 bytes

Front 12

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

Back 12

after POST execution

Front 13

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

Back 13

an increase in the size of the broadcast domain

Front 14

Which characteristic describes cut-through switching?

Back 14

Frames are forwarded without any error checking.

Front 15

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

Back 15

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

Front 16

Which statement is correct about Ethernet switch frame forwarding decisions?

Back 16

Frame forwarding decisions are based on MAC address and port mappings in the CAM table.

Front 17

How do switch buffers affect network performance?

Back 17

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

Front 18

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

Back 18

high port density

Front 19

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

Back 19

ASIC

Front 20

What information is added to the switch table from incoming frames?

Back 20

source MAC address and incoming port number

Front 21

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

Back 21

store-and-forward

Front 22

How many broadcast domains are displayed?

Back 22

8

Front 23

Under which two occasions should an administrator disable DTP while managing a local area network?

Back 23

- when connecting a Cisco switch to a non-Cisco switch

- on links that should not be trunking

Front 24

Which two characteristics describe the native VLAN?

Back 24

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

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

Front 25

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

Back 25

Switch(config)# no vlan 100

Front 26

A network administrator is reviewing port and VLAN assignments on switch S2 and notices that interfaces Gi0/1 and Gi0/2 are not included in the output. Why would the interfaces be missing from the output?

Back 26

They are configured as trunk interfaces.

Front 27

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

Back 27

Only devices in VLAN 20 see the frame.

Front 28

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?

Back 28

Allow VLAN 20 on the trunk link

Front 29

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

Back 29

The ports stop communicating with the attached devices

Front 30

A 2-byte value called the tag protocol ID (TPID) value.

Back 30

type

Front 31

A 3-bit value that supports level or service implementation.

Back 31

user priority

Front 32

A 1-bit identifier that enables Token Ring frames to be carried across Ethernet links

Back 32

Canonical Format Identifier (CFI)

Front 33

A 12-bit VLAN identification number that supports up to 4096 VLAN IDs

Back 33

VLAN ID (VID)

Front 34

Refer to the exhibit. In what switch mode should port G0/1 be assigned if Cisco best practices are being used?

Back 34

trunk

Front 35

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?

Back 35

Port Fa0/11 will be returned to VLAN 1.

Front 36

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

Back 36

show interfaces Fa0/1 switchport

Front 37

Refer to the exhibit. A technician is programming switch SW3 to manage voice and data traffic through port Fa0/20. What, if anything, is wrong with the configuration?

Back 37

The command used to assign the voice VLAN to the switch port is incorrect.

Front 38

Which four steps are needed to configure a voice VLAN on a switch port?

Back 38

- 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.

Front 39

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?

Back 39

Interface G0/2 is not configured as a trunk.

Front 40

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

Back 40

The encapsulation dot1Q 20 command has not been configured.

Front 41

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?

Back 41

switchport mode trunk

Front 42

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?

Back 42

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

Front 43

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?

Back 43

- A dedicated router is required.

- Multiple subinterfaces may impact the traffic flow speed.

Front 44

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

Back 44

It is not assigned to a VLAN

Front 45

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

Back 45

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

Front 46

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?

Back 46

It applies an IPv4 address to the virtual interface.

Front 47

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

Back 47

It enters the global configuration mode.

Front 48

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

Back 48

It disables a virtual or physical switch interface

Front 49

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?

Back 49

It applies an IPv6 address to the virtual interface.

Front 50

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

Back 50

It returns to global configuration mode.

Front 51

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

Back 51

It enters privileged mode

Front 52

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

Back 52

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

Front 53

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

Back 53

data VLAN

Front 54

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

Back 54

voice VLAN

Front 55

What type of VLAN is initially the management VLAN?

Back 55

default VLAN

Front 56

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

Back 56

voice VLAN

Front 57

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

Back 57

data VLAN

Front 58

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

Back 58

management VLAN

Front 59

What type of VLAN supports untagged traffic?

Back 59

native VLAN

Front 60

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?

Back 60

no shutdown

Front 61

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?

Back 61

Modify the transport input command.

Front 62

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

Back 62

a high port density switch

Front 63

Which two statements are correct with respect to SVI inter-VLAN routing?

Back 63

- Switching packets is faster with SVI.

- There is no need for a connection to a router.

Front 64

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?

Back 64

It identifies the VLAN number

Front 65

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

Back 65

native

Front 66

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

Back 66

the VLAN assignment and membership for all switch ports

Front 67

a client initiating a message to find a DHCP server

Back 67

DHCPDISCOVER

Front 68

a DHCP server responding to the initial request by a client

Back 68

DHCPOFFER

Front 69

the client accepting the IP address provided by the DHCP server

Back 69

DHCPREQUEST

Front 70

the DHCP server confirming that the lease has been accepted

Back 70

DHCPACK

Front 71

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

Back 71

management VLAN

Front 72

Which command will display a summary of all IPv6-enabled interfaces on a router that includes the IPv6 address and operational status?

Back 72

show ipv6 interface brief

Front 73

When verifying routes, what code is used to identify directly connected routes in the routing table?

Back 73

C

Front 74

Which command will display packet flow counts, collisions, and buffer failures on an interface?

Back 74

show interface

Front 75

An IPv6-enabled interface is required to have which type of address?

Back 75

link-local

Front 76

What character is used to enable the filtering of commands?

Back 76

pipe l

Front 77

Which filtering expression will show all output lines starting from the line matching the filtering expression?

Back 77

begin

Front 78

Which prompt is displayed when a network administrator successfully accesses the boot loader on a switch to recover from a system crash?

Back 78

switch:

Front 79

What advantage does SSH offer over Telnet?

Back 79

encryption

Front 80

What type of Ethernet cable would be used to connect one switch to another switch when neither switch supports the auto-MDIX feature?

Back 80

crossover

Front 81

Which switch characteristic helps alleviate network congestion when a 10 Gbps port is forwarding data to a 1 Gbps port?

Back 81

frame buffering

Front 82

Which switching method makes use of the FCS value?

Back 82

store-and-forward

Front 83

Which type of address does a switch use to build the MAC address table?

Back 83

source MAC address

Front 84

Which network device can serve as a boundary to divide a Layer 2 broadcast domain?

Back 84

router

Front 85

Which network device can be used to eliminate collisions on an Ethernet network?

Back 85

switch

Front 86

In which memory location are the VLAN configurations of normal range VLANs stored on a Catalyst switch?

Back 86

flash

Front 87

When a Cisco switch receives untagged frames on a 802.1Q trunk port, which VLAN ID is the traffic switched to by default?

Back 87

native VLAN ID

Front 88

What are three primary benefits of using VLANs?

Back 88

security

cost reduction

Front 89

On a Cisco switch, where is extended range VLAN information stored?

Back 89

running configuration file

Front 90

In which location are the normal range VLANs stored on a Cisco switch by default?

Back 90

flash memory

Front 91

Which distinct type of VLAN is used by an administrator to access and configure a switch?

Back 91

management VLAN

Front 92

Where is the vlan.dat file stored on a switch?

Back 92

in flash memory

Front 93

When configuring a router as part of a router-on-a-stick inter-VLAN routing topology, where should the IP address be assigned?

Back 93

to the subinterface

Front 94

Which type of inter-VLAN communication design requires the configuration of multiple subinterfaces?

Back 94

router on a stick

Front 95

What is the meaning of the number 10 in the encapsulation dot1Q 10 native router subinterface command?

Back 95

the VLAN ID

Front 96

What operational mode should be used on a switch port to connect it to a router for router-on-a-stick inter-VLAN routing?

Back 96

trunk