What mitigation plan is best for thwarting a DoS attack that is creating a MAC address table overflow?

Place unused ports in an unused VLAN.

What represents a best practice concerning discovery protocols such as CDP and LLDP on network devices?

Disable both protocols on all interfaces where they are not required.

Enable CDP on edge devices, and enable LLDP on interior devices.

Use the open standard LLDP rather than CDP.

Use the default router settings for CDP and LLDP.

Which statement describes the behavior of a switch when the MAC address table is full?

It treats frames as unknown unicast and floods all incoming frames to all ports within the local VLAN.

It treats frames as unknown unicast and floods all incoming frames to all ports on the switch.

It treats frames as unknown unicast and floods all incoming frames to all ports across multiple switches.

It treats frames as unknown unicast and floods all incoming frames to all ports within the collision domain.

What device is considered a supplicant during the 802.1X authentication process?

the client that is requesting authentication

the router that is serving as the default gateway

the authentication server that is performing client authentication

the switch that is controlling network access

Refer to the exhibit. Port Fa0/2 has already been configured appropriately. The IP phone and PC work properly. Which switch configuration would be most appropriate for port Fa0/2 if the network administrator has the following goals? No one is allowed to disconnect the IP phone or the PC and connect some other wired device. If a different device is connected, port Fa0/2 is shut down. The switch should automatically detect the MAC address of the IP phone and the PC and add those addresses to the running configuration.

SWA(config-if)# switchport port-security SWA(config-if)# switchport port-security maximum 2 SWA(config-if)# switchport port-security mac-address sticky

SWA(config-if)# switchport port-security SWA(config-if)# switchport port-security mac-address sticky

SWA(config-if)# switchport port-security SWA(config-if)# switchport port-security maximum 2 SWA(config-if)# switchport port-security mac-address sticky SWA(config-if)# switchport port-security violation restrict

SWA(config-if)# switchport port-security mac-address sticky SWA(config-if)# switchport port-security maximum 2

Refer to the exhibit. Port security has been configured on the Fa 0/12 interface of switch S1. What action will occur when PC1 is attached to switch S1 with the applied configuration?

Frames from PC1 will cause the interface to shut down immediately, and a log entry will be made.

Frames from PC1 will be forwarded since the switchport port-security violation command is missing.

Frames from PC1 will be forwarded to its destination, and a log entry will be created.

Frames from PC1 will be forwarded to its destination, but a log entry will not be created.

Frames from PC1 will be dropped, and there will be no log of the violation.

A network administrator is configuring DAI on a switch with the command ip arp inspection validate src-mac. What is the purpose of this configuration command?

It checks the source MAC address in the Ethernet header against the sender MAC address in the ARP body.

It checks the source MAC address in the Ethernet header against the user-configured ARP ACLs.

It checks the source MAC address in the Ethernet header against the MAC address table.

It checks the source MAC address in the Ethernet header against the target MAC address in the ARP body.

Which two commands can be used to enable BPDU guard on a switch? (Choose two.)

S1(config)# spanning-tree portfast bpduguard default

S1(config-if)# spanning-tree bpduguard enable

S1(config)# spanning-tree bpduguard default

S1(config-if)# spanning-tree portfast bpduguard

S1(config-if)# enable spanning-tree bpduguard

What are the two methods that are used by a wireless NIC to discover an AP? (Choose two.)

receiving a broadcast beacon frame

initiating a three-way handshake

A technician is configuring the channel on a wireless router to either 1, 6, or 11. What is the purpose of adjusting the channel?

to avoid interference from nearby wireless devices

to enable different 802.11 standards

to disable broadcasting of the SSID

to provide stronger security modes

A technician is about to install and configure a wireless network at a small branch office. What is the first security measure the technician should apply immediately upon powering up the wireless router?

Change the default user-name and password of the wireless router.

Enable MAC address filtering on the wireless router.

Configure encryption on the wireless router and the connected wireless devices.

Disable the wireless network SSID broadcast.

Which step is required before creating a new WLAN on a Cisco 3500 series WLC?

Build or have an SNMP server available.

Build or have a RADIUS server available.

A network engineer is troubleshooting a newly deployed wireless network that is using the latest 802.11 standards. When users access high bandwidth services such as streaming video, the wireless network performance is poor. To improve performance the network engineer decides to configure a 5 Ghz frequency band SSID and train users to use that SSID for streaming media services. Why might this solution improve the wireless network performance for that type of service?

The 5 GHz band has more channels and is less crowded than the 2.4 GHz band, which makes it more suited to streaming multimedia.

Requiring the users to switch to the 5 GHz band for streaming media is inconvenient and will result in fewer users accessing these services.

The 5 GHz band has a greater range and is therefore likely to be interference-free.

The only users that can switch to the 5 GHz band will be those with the latest wireless NICs, which will reduce usage.

A network administrator is configuring a RADIUS server connection on a Cisco 3500 series WLC. The configuration requires a shared secret password. What is the purpose for the shared secret password?

It is used to encrypt the messages between the WLC and the RADIUS server.

It is used by the RADIUS server to authenticate WLAN users.

It is used to authenticate and encrypt user data on the WLAN.

It allows users to authenticate and access the WLAN.

Which three parameters would need to be changed if best practices are being implemented for a home wireless AP? (Choose three.)

wireless client operating system password

Which type of wireless network is based on the 802.11 standard and a 2.4-GHz or 5-GHz radio frequency?

wireless metropolitan-area network

What are three techniques for mitigating VLAN attacks? (Choose three.)

Set the native VLAN to an unused VLAN

Refer to the exhibit. What can be determined about port security from the information that is shown?

The port violation mode is the default for any port that has port security enabled.

The port has the maximum number of MAC addresses that is supported by a Layer 2 switch port which is configured for port security.

The port has two attached devices.

A technician is troubleshooting a slow WLAN that consists of 802.11b and 802.11g devices . A new 802.11n/ac dual-band router has been deployed on the network to replace the old 802.11g router. What can the technician do to address the slow wireless speed?

Split the wireless traffic between the 802.11n 2.4 GHz band and the 5 GHz band.

Update the firmware on the new router.

Configure devices to use a different channel.

What is the function provided by CAPWAP protocol in a corporate wireless network?

CAPWAP provides the encapsulation and forwarding of wireless user traffic between an access point and a wireless LAN controller.

CAPWAP creates a tunnel on Transmission Control Protocol (TCP) ports in order to allow a WLC to configure an autonomous access point.

CAPWAP provides connectivity between an access point using IPv6 addressing and a wireless client using IPv4 addressing.

CAPWAP provides the encryption of wireless user traffic between an access point and a wireless client.

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. Which event will take place if there is a port security violation on switch S1 interface Fa0/1?

Packets with unknown source addresses will be dropped

The interface will go into error-disabled state

What is the result of a DHCP starvation attack?

Legitimate clients are unable to lease IP addresses.

The attacker provides incorrect DNS and default gateway information to clients.

The IP addresses assigned to legitimate clients are hijacked.

Clients receive IP address assignments from a rogue DHCP server.

Which feature or configuration on a switch makes it vulnerable to VLAN double-tagging attacks?

the native VLAN of the trunking port being the same as a user VLAN

the limited size of content-addressable memory space

the automatic trunking port feature enabled for all ports by default

mixed duplex mode enabled for all ports by default

NETW Modules 9 – 13

Quiz

•

Computers

•

12th Grade

•

Practice Problem

•

Easy

Ayoosh H

Used 6+ times

FREE Resource

Student preview

208 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement describes a feature that is associated with HSRP?

HSRP uses active and standby routers.

It allows load balancing between a group of redundant routers.

HSRP is nonproprietary.

It uses ICMP messages in order to assign the default gateway to hosts.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Refer to the exhibit. What protocol can be configured on gateway routers R1 and R2 that will allow traffic from the internal LAN to be load balanced across the two gateways to the Internet?

GLBP

PVST+

PVST

STP

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Refer to the exhibit. A network engineer is troubleshooting host connectivity on a LAN that uses a first hop redundancy protocol. Which IPv4 gateway address should be configured on the host?

192.168.2.0

192.168.2.2

192.168.2.1

192.168.2.100

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Refer to the exhibit. Which destination MAC address is used when frames are sent from the workstation to the default gateway?

MAC address of the virtual router

MAC addresses of both the forwarding and standby routers

MAC address of the standby router

MAC address of the forwarding router

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which FHRP implementation is a Cisco-proprietary protocol that supports IPv4 load sharing?

IRDP

GLBP

VRRv3

GLBP for IPv6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement describes HSRP?

It is used within a group of routers for selecting an active device and a standby device to provide gateway services to a LAN.

It uses ICMP to allow IPv4 hosts to locate routers that provide IPv4 connectivity to remote IP networks.

If the virtual router master fails, one router is elected as the virtual router master with the other routers acting as backups.

It is an open standard protocol.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which FHRP implementation is a Cisco-proprietary protocol that suppports IPv6 load balancing?

GLBP

GLBP for IPv6

VRRPv3

VRRPv2

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NETW Modules 9 – 13

208 questions

A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement describes a feature that is associated with HSRP?

Refer to the exhibit. What protocol can be configured on gateway routers R1 and R2 that will allow traffic from the internal LAN to be load balanced across the two gateways to the Internet?

Refer to the exhibit. A network engineer is troubleshooting host connectivity on a LAN that uses a first hop redundancy protocol. Which IPv4 gateway address should be configured on the host?

Refer to the exhibit. Which destination MAC address is used when frames are sent from the workstation to the default gateway?

Which FHRP implementation is a Cisco-proprietary protocol that supports IPv4 load sharing?

Which statement describes HSRP?

Which FHRP implementation is a Cisco-proprietary protocol that suppports IPv6 load balancing?

Which FHRP implementation is a nonproprietary protocol which relies on ICMP to provide IPv4 redundancy?

Which FHRP implementation is Cisco-proprietary and permits only one router in a group to forward IPv6 packets?

Which FHRP implementation is a nonproprietary IPv4-only election protocol which has one master router per group?

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Discover more resources for Computers

NETW Modules 9 – 13

208 questions

A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement describes a feature that is associated with HSRP?

Refer to the exhibit. What protocol can be configured on gateway routers R1 and R2 that will allow traffic from the internal LAN to be load balanced across the two gateways to the Internet?

Refer to the exhibit. A network engineer is troubleshooting host connectivity on a LAN that uses a first hop redundancy protocol. Which IPv4 gateway address should be configured on the host?

Refer to the exhibit. Which destination MAC address is used when frames are sent from the workstation to the default gateway?

Which FHRP implementation is a Cisco-proprietary protocol that supports IPv4 load sharing?

Which statement describes HSRP?​

Which FHRP implementation is a Cisco-proprietary protocol that suppports IPv6 load balancing?

Which FHRP implementation is a nonproprietary protocol which relies on ICMP to provide IPv4 redundancy?

Which FHRP implementation is Cisco-proprietary and permits only one router in a group to forward IPv6 packets?

Which FHRP implementation is a nonproprietary IPv4-only election protocol which has one master router per group?

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Which statement describes HSRP?