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WorksheetsSRWE Review Module 10-13
Total questions: 62
Worksheet time: 35mins
Which Layer 2 attack will result in legitimate users not getting valid IP addresses?
DHCP starvation attack
What mitigation plan is best for thwarting a DoS attack that is creating a MAC address table overflow?
Which is not one of the three Cisco products focus on endpoint security solutions?
Web Security Appliance
Email Security Appliance
NAC Appliance
Adaptive Security Appliance
True or False?
In the 802.1X standard, the client attempting to access the network is referred to as the supplicant.
Which authentication method stores usernames and passwords in the router and is ideal for small networks?
What represents a best practice concerning discovery protocols such as CDP and LLDP on network devices?
Which protocol should be used to mitigate the vulnerability of using Telnet to remotely manage network devices?
Which statement describes the behavior of a switch when the MAC address table is full?
What device is considered a supplicant during the 802.1X authentication process?
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?
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
SWA(config-if)# switchport port-security
SWA(config-if)# switchport port-security maximum 2
SWA(config-if)# switchport port-security mac-address sticky
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 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 cause the interface to shut down immediately, and a log entry will be made.
Frames from PC1 will be dropped, and there will be no log of the violation.
Which type of VLAN-hopping attack may be prevented by designating an unused VLAN as the native VLAN?
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?
Which two commands can be used to enable BPDU guard on a switch? (Choose two.)
S1(config)# spanning-tree bpduguard default
S1(config)# spanning-tree portfast bpduguard default
S1(config-if)# spanning-tree bpduguard enable
S1(config-if)# enable spanning-tree bpduguard
S1(config-if)# spanning-tree portfast bpduguard
As part of the new security policy, all switches on the network are configured to automatically learn MAC addresses for each port. All running configurations are saved at the start and close of every business day. A severe thunderstorm causes an extended power outage several hours after the close of business. When the switches are brought back online, the dynamically learned MAC addresses are retained. Which port security configuration enabled this?
Sticky secure MAC adresses
Which type of management frame may regularly be broadcast by an AP?
What are the two methods that are used by a wireless NIC to discover an AP? (Choose two.)
delivering a broadcast frame
receiving a broadcast beacon frame
transmitting a probe request
initiating a three-way handshake
sending an ARP request
A technician is configuring the channel on a wireless router to either 1, 6, or 11. What is the purpose of adjusting the channel?
While attending a conference, participants are using laptops for network connectivity. When a guest speaker attempts to connect to the network, the laptop fails to display any available wireless networks. The access point must be operating in which mode?
active mode
A network administrator is required to upgrade wireless access to end users in a building. To provide data rates up to 1.3 Gb/s and still be backward compatible with older devices, which wireless standard should be implemented?
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?
On a Cisco 3504 WLC dashboard, which option provides access to the full menu of features?
Which step is required before creating a new WLAN on a Cisco 3500 series WLC?
Create a new SSID.
Create a new VLAN interface
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?
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?
Which three parameters would need to be changed if best practices are being implemented for a home wireless AP? (Choose three.)
Wireless Network Password
AP Password
SSID
antenna frequency
wireless beacon time
Which access control component, implementation, or protocol is based upon usernames and passwords?
Which type of wireless network is based on the 802.11 standard and a 2.4-GHz or 5-GHz radio frequency?
Which two Cisco solutions help prevent DHCP starvation attacks? (Choose two.)
DHCP Snooping
Port Security
IP Source Guard
Dynamic ARP Inspection
Web Security Appliance
What are three techniques for mitigating VLAN attacks? (Choose three.)
Enable Trunking Manually
Disable DTP
Set Native VLAN to Unused VLAN
Enable Source Guard
Use Private VLANs
Refer to the exhibit. What can be determined about port security from the information that is shown?
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 been shut down.
The port violation mode is the default for any port that has port security enabled.
The port has two attached devices.
A network administrator of a college is configuring the WLAN user authentication process. Wireless users are required to enter username and password credentials that will be verified by a server. Which server would provide such service?
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?
The company handbook states that employees cannot have microwave ovens in their offices. Instead, all employees must use the microwave ovens located in the employee cafeteria. What wireless security risk is the company trying to avoid?
Accidental Interference.
What is the function provided by CAPWAP protocol in a corporate wireless network?
doodle and familiarize
What are two protocols that are used by AAA to authenticate users against a central database of usernames and password? (Choose two.)
TACACS+
RADIUS
SSH
HTTPS
CHAP
What is the result of a DHCP starvation attack?
Which feature or configuration on a switch makes it vulnerable to VLAN double-tagging attacks?
Which component of AAA allows an administrator to track individuals who access network resources and any changes that are made to those resources?
Refer to the exhibit. PC1 and PC2 should be able to obtain IP address assignments from the DHCP server. How many ports among switches should be assigned as trusted ports as part of the DHCP snooping configuration?
1
3
5
7
An IT security specialist enables port security on a switch port of a Cisco switch. What is the default violation mode in use until the switch port is configured to use a different violation mode?
A laptop cannot connect to a wireless access point. Which two troubleshooting steps should be taken first? (Choose two.)
Ensure that the wireless NIC is enabled.
Ensure that the wireless SSID is chosen.
Ensure that the correct network media is selected.
Ensure that the laptop antenna is attached.
Ensure that the NIC is configured for the proper frequency.
What is an advantage of SSID cloaking?
What is a wireless security mode that requires a RADIUS server to authenticate wireless users?
A company has recently implemented an 802.11n wireless network. Some users are complaining that the wireless network is too slow. Which solution is the best method to enhance the performance of the wireless network?
Which protocol can be used to monitor the network?
A network administrator deploys a wireless router in a small law firm. Employee laptops join the WLAN and receive IP addresses in the 10.0.10.0/24 network. Which service is used on the wireless router to allow the employee laptops to access the internet?
Which service can be used on a wireless router to prioritize network traffic among different types of applications so that voice and video data are prioritized over email and web data?
Which access control component, implementation, or protocol is based on device roles of supplicant, authenticator, and authentication server?
Which type of wireless network is suitable for national and global communications?
Which feature on a switch makes it vulnerable to VLAN hopping attacks?
Which component of AAA is used to determine which resources a user can access and which operations the user is allowed to perform?
Refer to the exhibit. The Fa0/2 interface on switch S1 has been configured with the switchport port-security mac-address 0023.189d.6456 command and a workstation has been connected. What could be the reason that the Fa0/2 interface is shutdown?
The Fa0/24 interface of S1 is configured with the same MAC address as the Fa0/2 interface.
The connection between S1 and PC1 is via a crossover cable.
S1 has been configured with a switchport port-security aging command.
The MAC address of PC1 that connects to the Fa0/2 interface is not the configured MAC address.
A network administrator enters the following commands on the switch SW1.
SW1(config)# interface range fa0/5 - 10
SW1(config-if)# ip dhcp snooping limit rate 6
What is the effect after these commands are entered?
If any of the FastEthernet ports 5 through 10 receive more than 6 DHCP messages per second, the port will be shut down.
FastEthernet ports 5 through 10 can receive up to 6 DHCP messages per second of any type.
If any of the FastEthernet ports 5 through 10 receive more than 6 DHCP messages per second, the port will continue to operate and an error message will be sent to the network administrator.
FastEthernet ports 5 through 10 can receive up to 6 DHCP discovery messages per second.
A network administrator is configuring port security on a Cisco switch. The company security policy specifies that when a violation occurs, packets with unknown source addresses should be dropped and no notification should be sent. Which violation mode should be configured on the interfaces?
A network administrator is working to improve WLAN performance on a dual-band wireless router. What is a simple way to achieve a split-the-traffic result?
Which access control component, implementation, or protocol controls what users can do on the network?
Accounting
802.1x
Authorization
Authentication
Which type of wireless network is suitable for providing wireless access to a city or district?
On a Cisco 3504 WLC Summary page ( Advanced > Summary ), which tab allows a network administrator to access and configure a WLAN for a specific security option such as WPA2?
What type of wireless antenna is best suited for providing coverage in large open spaces, such as hallways or large conference rooms?
What security benefit is gained from enabling BPDU guard on PortFast enabled interfaces?
