Switching Concepts, VLANs and Inter-VLAN Routing Exam

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

show controllers

Which command is used to set the BOOT environment variable that defines where to find the IOS image file on a switch? A. Boot system B. Config-register C. Confreg D. Boot loader

A. Boot system

Which characteristic describes cut-through switching? A. Frames are forwarded without any error checking. B. Only outgoing frames are checked for errors. C. Buffering is used to support different Ethernet speeds. D. Error-free fragments are forwarded, so switching occurs with lower latency.

A. Frames are forwarded without any error checking.

What type of VLAN is configured specifically for network traffic such as SSH, Telnet, HTTPS, HHTP, and SNMP? A. Management VLAN B. Voice VLAN C. Native VLAN D. Security VLAN

A. Management VLAN

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? A. Port Fa0/11 will be returned to VLAN 1. B. VLAN 30 will be deleted. C. An error message would be displayed. D. Port Fa0/11 will be shutdown.

A. Port Fa0/11 will be returned to VLAN 1.

Which impact does adding a Layer 2 switch have on a network? A. An increase in the number of dropped frames B. An increase in the size of the collision domain C. An increase in the number of network collisions D. An increase in the size of the broadcast domain

D. An increase in the size of the broadcast domain

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. A switch with a port that is configured as a trunk is needed when connecting to the router. B. A multilayer switch is needed. C. Two groups of switches are needed, each with ports that are configured for one VLAN. D. A router with at least two LAN interfaces is needed.

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

Under which two occasions should an administrator disable DTP while managing a local area network? (Choose two.) A. On links that should not be trunking B. When a neighbor switch uses a DTP mode of dynamic auto C. On links that should dynamically attempt trunking D. When connecting a Cisco switch to a non-Cisco switch E. When a neighbor switch uses a DTP mode of dynamic desirable

A. On links that should not be trunking D. When connecting a Cisco switch to a non-Cisco switch

What is the significant difference between a hub and a Layer 2 LAN switch? A. A hub divides collision domains, and a switch divides broadcast domains. B. A hub forwards frames, and a switch forwards only packets. C. A hub extends a collision domain, and a switch divides collision domains. D. Each port of a hub is a collision domain, and each port of a switch is a broadcast domain.

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

Which four steps are needed to configure a voice VLAN on a switch port? (Choose four). A. Configure the interface as an IEEE 802.1Q trunk. B. Activate spanning-tree PortFast on the interface. C. Add a voice VLAN. D. Assign a data VLAN to the switch port. E. Assign the voice VLAN to the switch port. F. Configure the switch port in access mode. G. Configure the switch port interface with subinterfaces. H. Make sure voice traffic is trusted & tagged with CoS priority value.

C. Add a voice VLAN. E. Assign the voice VLAN to the switch port. F. Configure the switch port in access mode. H. Make sure voice traffic is trusted & tagged with CoS priority value.

Which type of VLAN is used to designate which traffic is untagged when crossing a trunk port? A. Default B. Management C. Native D. Data

C. Native

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? A. On the full-duplex end of the connection B. On both ends of the connection C. On the half-duplex end of the connection D. Only on serial interfaces

C. On the half-duplex end of the connection

What is used as an identifier to enable Token Ring frames to be carried across Ethernet links?

Canonical Format Identifier

Which switch component reduces the amount of packet handling time inside the switch? A. Store-and-forward RAM B. Large buffer size C. Dual processors D. Application Specific Integrated Circuit (ASIC)

D. Application Specific Integrated Circuit (ASIC)

Which statement is correct about Ethernet switch frame forwarding decisions? A. Unicast frames are always forwarded regardless of the destination MAC address. B. Cut-through frame forwarding ensures that invalid frames are always dropped. C. Only frames with a broadcast destination address are forwarded out all active switch ports. D. Frame forwarding decisions are based on MAC address and port mappings in the CAM table.

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

A network contains multiple VLANs spanning multiple switches. What happens when a device in VLAN 20 sends a broadcast Ethernet frame? A. All devices in all VLANs see the frame. B. Devices in VLAN 20 and the management VLAN see the frame. C. Only devices that are connected to the local switch see the frame. D. Only devices in VLAN 20 see the frame.

D. Only devices in VLAN 20 see the frame.

Which two statements are correct with respect to SVI inter-VLAN routing? (Choose two.) A. Virtual interfaces support subinterfaces. B. SVIs eliminate the need for a default gateway in the hosts. C. SVIs can be bundled into EtherChannels. D. Switching packets is faster with SVI. E. There is no need for a connection to a router.

D. Switching packets is faster with SVI. E. There is no need for a connection to a router.

A network administrator issues the show vlan brief command while troubleshooting a user support ticket. What output will be displayed? A. The VLAN assignment and native VLAN B. The VLAN assignment and membership for device MAC addresses C. The VLAN assignment and trunking encapsulation D. The VLAN assignment and membership for all switch ports

D. The VLAN assignment and membership for all switch ports

How do switch buffers affect network performance? A. They provide extra memory for a particular port if autonegotiation of speed or duplex fails. B. They provide error checking on the data received. C. They hold data temporarily when a collision occurs until normal data transmission resumes. D. They store frames received, thus preventing premature frame discarding when network congestion occurs.

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

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

Store-and-forward

What is a value for the tag protocol ID value?

Type

What value supports level or service implementation?

User Priority

A VLAN number is also called what?

VLAN ID

Which solution would help a college alleviate network congestion due to collisions? A. A router with three Ethernet ports B. A high port density switch C. A firewall that connects to two Internet providers D. A router with two Ethernet ports

B. A high port density switch

Interface gigabitethernet 0/0.7 encapsulation dot1q ? ip address 10.105.7.1 255.255.255.0 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 question mark in the text? A. It identifies the number of hosts that are allowed on the interface. B. It identifies the VLAN number. C. It identifies the native VLAN number. D. It identifies the subinterface. B. It identifies the type of encapsulation that is used.

B. It identifies the VLAN number.

Switch1 (config)# ip ssh version 2 Switch1 (config)#ip domain-name cisco.com Switch1 (config)#crypto key generate rsa Switch1 (config)# line vty 0-15 switch1 (config-line)# transport input all What should the network administrator alter in the above output to allow SSH, but to prohibit Telnet connections? A. Use SSH version 1 B. Modify the transport input command C. Configure SSH on a different line D. Reconfigure the RSA key

B. Modify the transport input command (transport input ssh would be correct)

On a switch that is configured with multiple VLANs, which command will remove only VLAN 100 from the switch? A. Switch(config-if)# no switchport trunk allowed vlan 100 B. Switch(config)# no vlan 100 C. Switch(config-if)# no switchport access vlan 100 D. Switch# delete flash:vlan.dat

B. Switch(config)# no vlan 100

Which two characteristics describe the native VLAN? (Choose two.) A. This VLAN is necessary for remote management of a switch. B. The native VLAN provides a common identifier to both ends of a trunk. C. The native VLAN traffic will be untagged across the trunk link. D. High priority traffic, such as voice traffic, uses the native VLAN. E. Designed to carry traffic that is generated by users, this type of VLAN is also known as the default VLAN.

B. The native VLAN provides a common identifier to both ends of a trunk. C. The native VLAN traffic will be untagged across the trunk link.