Switching/Routing

Which statement describes SVIs? A default SVI is created for VLAN 1 for switch administration An SVI can only be created for the management VLAN Creating an SVI automatically creates an associated VLAN An SVI is created automatically for each VLAN on a multilayer switch

A default SVI is created for VLAN 1 for switch administration

What is the significant difference between a hub and a Layer 2 LAN switch? 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 switch creates many smaller collision domains, and a hub increases the size of a single collision domain A hub forwards frames, and a switch forwards only packets

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

What will a Cisco LAN switch do if it receives an incoming frame and the destination MAC address is not listed in the MAC address table? Send the frame to the default gateway address Forward the frame out all ports except the port where the frame is received Drop the frame Use ARP to resolve the port that is related to the frame

Forward the frame out all ports except the port where the frame is received

Which two statements are true about half-duplex and full-duplex communications? (Choose two.) Half duplex has only one channel All modern NICs support both half-duplex and full-duplex communication Full duplex allows both ends to transmit and receive simultaneously Full duplex offers 100 percent potential use of the bandwidth Full duplex increases the effective bandwidth

Half duplex has only one channel, Full duplex offers allows both ends to transmit and receive simultaneously

Where is the vlan.dat file stored on a switch? in NVRAM on the externally attached storage media or internal hard drive in RAM in flash memory

in flash memory

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

management VLAN

A PC is to access a web server on another network. Which inter-VLAN method will provide the highest bandwidth at Layer 3 and also provide a default gateway for the PC? trunked interface between the router and the switch router on a stick multiple physical interfaces on the router, all connected to a Layer 2 switch multilayer switch with routing enabled

multilayer switch with routing enabled

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

native VLAN ID

What must an administrator have in order to reset a lost password on a router? physical access to the router a crossover cable access to another router a TFTP server

physical access to the router

Which network device can serve as a boundary to divide a Layer 2 broadcast domain? access point Ethernet bridge Ethernet hub router

router

Which type of inter-VLAN communication design requires the configuration of multiple subinterfaces? routing via a multilayer switch router on a stick routing for the management VLAN legacy inter-VLAN routing

router on a stick

Which scalable method must be implemented in order to provide inter-VLAN routing on a switched network with more than 1000 VLANs? connecting a router interface to a switch port that is configured in trunk mode to route packets between VLANs, with each VLAN assigned to a router subinterface configuring static routes on a Layer 2 switch device connecting each physical router interface to a different physical switch port, with each switch port assigned to a different VLAN routing traffic internally to a Layer 3 switch device

routing traffic internally to a Layer 3 switch device

On a Cisco switch, where is extended range VLAN information stored? NVRAM running configuration file startup configuration file flash

running configuration file

A small college uses VLAN 10 for the classroom network and VLAN 20 for the office network. What is needed to enable communication between these two VLANs while using legacy inter-VLAN routing? a switch with a port that is configured as trunk is needed to connect to a router A router with one VLAN interface is needed to connect to the SVI on a switch Two groups of switches are needed, each with ports that are configured for one VLAN A router with at least two LAN interfaces should be used

A router with at least two LAN interfaces should be used

If an organization is changing to include Cisco IP phones in its network, what design feature must be considered to ensure voice quality? Additional switch ports that are dedicated to Cisco IP phones are required A separate VLAN is needed for voice traffic Voice traffic and data traffic require separate trunk links between switches Voice traffic needs to be tagged with the native VLAN

A separate VLAN is needed for voice traffic

What is the purpose of setting the native VLAN separate from data VLANs? The native VLAN is for carrying VLAN management traffic only A separate VLAN should be used to carry uncommon untagged frames to avoid bandwidth contention on data VLANs The security of management frames that are carried in the native VLAN can be enhanced The native VLAN is for routers and switches to exchange their management information, so it should be different from data VLANs

A separate VLAN should be used to carry uncommon untagged frames to avoid bandwidth contention on data VLANs

Which statement is true about broadcast and collision domains? Adding a router to a network will increase the size of the collision domain The size of the collision domain can be reduced by adding hubs to a network Adding a switch to a network will increase the size of the broadcast domain The more interfaces a router has the larger the resulting broadcast domain

Adding a switch to a network will increase the size of the broadcast domain

Which sentence correctly describes the SVI inter-VLAN routing method? Subinterfaces have to be created An SVI is needed for each VLAN A physical interface is needed for evvery VLAN that is created The encapsulation type must be configured on the SVI

An SVI is needed for each VLAN

A network administrator has configured ​VLAN 99 as the management VLAN and has configured it with an IP address and subnet mask. The administrator issues the show interface vlan 99 command and notices that the line protocol is down. Which action can change the state of the line protocol to up? Connect a host to an interface associated with VLAN 99 Configure a default gateway Configure a transport input method on the vty lines Remove all access ports from VLAN 99

Connect a host to an interface associated with VLAN 99

Which statement describes the system LED operation on Cisco Catalyst switches? If the LED is amber, the system is not powered on If the LED is blinking amber, the switch is performing POST If the LED is amber, the system is receiving power but is not functioning properly If the LED is blinking green, the system is operating normally

If the LED is amber, the system is receiving power but is not functioning properly

A Cisco switch currently allows traffic tagged with VLANs 10 and 20 across trunk port Fa0/5. What is the effect of issuing a switchport trunk allowed vlan 30 command on Fa0/5? It allows a native VLAN of 30 to be implemented on Fa0/5 It allows VLANS 1 to 30 on Fa0/5 It allows VLANs 10, 20, and 30 on Fa0/5 It allows only VLAN 30 on Fa0/5

It allows only VLAN 30 on Fa0/5

What is the purpose of the vlan.dat file on a switch? It holds the VLAN database It holds the saved configuration It holds the running configuration It holds the operating system

It holds the VLAN database

What is a disadvantage of using multilayer switches for inter-VLAN routing? Multilayer switches have higher latency for Laver 3 routing Multilayer switches are more expensive than router-on-a-stick implementations Multilayer switches are limited to using trunk links for Layer 3 routing Spanning tree must be disabled in order to implement routing on a multilayer switch

Multilayer switches are more expensive than router-on-a-stick implementations

Which router bootup sequence is correct?(this is the right one im not typing out all the wrong ones) (just type POST, IOS, config) 1 - perform the POST and load the bootstrap program 2 - locate and load the Cisco IOS software 3 - locate and load the startup configuration file or enter setup mode

POST, IOS, config

Which tasks can be accomplished by using the command history feature? (Choose two.) View a list of commands entered in a previous session Recall previously entered commands. Recall up to 15 command lines by default Set the command history buffer size Save command lines in a log file for future reference

Recall previously entered commands, Set the command history buffer size

An administrator is investigating a failure on a trunk link between a Cisco switch and a switch from another vendor. After a few show commands, the administrator notices that the switches are not negotiating a trunk. What is a probable cause for this issue? Both switches are in trunk mode Switches from other vendors do not support DTP Both switches are in nonegotiate mode DTP frames are flooding the entire network

Switches from other vendors do not support DTP

What happens to a port that is associated with VLAN 10 when the administrator deletes VLAN 10 from the switch? The port goes back to the default VLAN The port automatically associates itself with the native VLAN The port becomes inactive The port creates the VLAN again

The port becomes inactive

What is the purpose of frame buffers on a switch? They hold traffic, thus alleviating network congestion They execute checksum values before transmission They provide a basic security scan on received frames They provide temporary storage of the frame checksum

They hold traffic, thus alleviating network congestion

How is traffic routed between multiple VLANs on a multilayer switch? Traffic is broadcast out all physical interfaces Traffic is routed via subinterfaces Traffic is routed via internal VLAN interfaces Traffic is routed via physical interfaces

Traffic is routed via internal VLAN interfaces

What is required to perform router-on-a-stick inter-VLAN routing? a router that is configured with multiple subinterfaces a router with multiple physical interfaces a multilayer switch a Layer 2 switch that is configured with multiple trunk ports

a router that is configured with multiple subinterfaces

A network administrator is determining the best placement of VLAN trunk links. Which two types of point-to-point connections utilize VLAN trunking?​ (Choose two.) between two switches that share a common VLAN between two switches that utilize multiple VLANs between a switch and a client PC between a switch and a network printer between a switch and a sever that has an 802.1Q NIC

between two switches that share a common VLAN, between a switch and a server that has an 802.1Q NIC

What are three primary benefits of using VLANs? (Choose three.) no required configuration cost reduction improved IT staff efficiency a reduction in the number of trunk links security end user satisfaction

cost reduction, improved IT staff efficiency, security

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

crossover

What is one function of a Layer 2 switch? forwards data based on logical addressing learns the port assigned to a host by examining the destination MAC address determines which interface is used forward a frame based on the destination MAC address duplicates the electrical signal of each frame to every port

determines which interface is used to forward a frame based on the destination MAC address

What is a disadvantage of using router-on-a-stick inter-VLAN routing? does not scale well beyond 50 VLANs requires the use of more physical interfaces than legacy inter-VLAN routing requires the use of multiple router interfaces configured to operate as access links does not support VLAN-tagged packets

does not scale well beyond 50 VLANs

What advantage does SSH offer over Telnet? more connection lines encryption username and password authentication

encryption

n which memory location are the VLAN configurations of normal range VLANs stored on a Catalyst switch? NVRAM RAM ROM flsh

flash

In which location are the normal range VLANs stored on a Cisco switch by default? running-config flash memory startup-config RAM

flash memory

Which switch characteristic helps alleviate network congestion when a 10 Gbps port is forwarding data to a 1 Gbps port? high port density fast port speed fast internal switching frame buffering

frame buffering

What is the first action in the boot sequence when a switch is powered on? load a power-on self-test program load the default Cisco IOS software load boot loader software low-level CPU initialization

load a power-on self-test program

Which command will provide information about the status of all interfaces including the number of giants, runts, and collisions on the interface? show running-config show history show interfaces show ip interface brief

show interfaces

An administrator was troubleshooting a router-on-a-stick topology and concluded that the problem was related to the configuration of VLANs on the router subinterfaces. Which two commands can the administrator use in the router to identify the problem? (Choose two.) show ip interface show controllers show vlan show running-config show ip protocols

show ip interface, show running-config

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

source MAC address

Which option correctly describes a switching method? store-and forward: ensures that the frame is free of physical and data-link errors cut-through: makes a forwarding decision after receiving the entire frame store-and-forward: forwards the frame immediately after examining its destination MAC address cut-through: provides the flexibility to support any mix of Ethernet speeds

store-and forward: ensures that the frame is free of physical and data-link errors

Which switching method makes use of the FCS value? large frame buffer store-and-forward cut-through broadcast

store-and-forward

Which network device can be used to eliminate collisions on an Ethernet network? router switch hub firewall

switch

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

switch:

What is the meaning of the number 10 in the encapsulation dot1Q 10 native router subinterface command?​ the interface number the subinterface number the subnet number the VLAN ID

the VLAN ID

What does the term "port density" represent for an Ethernet switch? the numbers of hosts that are connected to each switch port the number of available ports the speed of each port the memory space that is allocated to each switch port

the number of available ports

Which information does a switch use to keep the MAC address table information current? the source and destination MAC addressed and the outgoing port the source MAC address and the outgoing port the destination MAC address and the incoming port the source and destination MAC addresses and the incoming port the source MAC address and the incoming port the destination MAC address and the outgoing port

the source MAC address and the incoming port

While configuring inter-VLAN routing on a multilayer switch, a network administrator issues the no switchport command on an interface that is connected to another switch. What is the purpose of this command? to create a switched virtual interface to provide an access link that tags VLAN traffic to create a routed port for a single network to provide a static trunk link

to create a routed port for a single network

A network administrator enters the following command sequence on a Cisco 3560 switch. What is the purpose of these commands? Switch(config)# interface gigabitethernet 0/1Switch(config-if)# no switchport to make the Gi0/1 port a routed port to enable the Gi0/1 port as a bridge virtual interface to enable the Gi0/1 port as a switch virtual interface to shut down the Gi0/1 port

to make the Gi0/1 port a routed port

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

to the subinterface

For what reason would a network administrator use the show interfaces trunk command on a switch? to verify port association with a particular VLAN to display an IP address for any existing VLAN to examine DTP negotiation as it occurs to view the native VLAN

to view the native VLAN

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

trunk

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 login block-for seconds attempts number within seconds username username secret secret password password

username username secret secret