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SRWE Review Module 10-13

Total questions: 62

Worksheet time: 35mins

Name
Class
Date
1.

Which Layer 2 attack will result in legitimate users not getting valid IP addresses?

a)
MAC flooding attack
b)

DHCP starvation attack

c)
DNS spoofing attack
d)
ARP poisoning attack
2.

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

a)
Implement a firewall to block all incoming traffic.
b)
Implement port security on switches to limit MAC address entries.
c)
Disable all MAC address learning on the switch.
d)
Increase the switch's bandwidth to handle more traffic.
3.

Which is not one of the three Cisco products focus on endpoint security solutions?

a)
  • Web Security Appliance

b)
  • Email Security Appliance

c)
  • NAC Appliance

d)
  • Adaptive Security Appliance

4.

True or False?
In the 802.1X standard, the client attempting to access the network is referred to as the supplicant.

a)
False
b)
True
5.

Which authentication method stores usernames and passwords in the router and is ideal for small networks?

a)
Remote authentication
b)
Two-factor authentication
c)
Biometric authentication
d)
Local authentication
6.

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

a)
Enable discovery protocols only on necessary interfaces.
b)
Disable all discovery protocols entirely.
c)
Use discovery protocols only for non-critical devices.
d)
Enable discovery protocols on all interfaces.
7.

Which protocol should be used to mitigate the vulnerability of using Telnet to remotely manage network devices?

a)
FTP (File Transfer Protocol)
b)
HTTP (Hypertext Transfer Protocol)
c)
RDP (Remote Desktop Protocol)
d)
SSH (Secure Shell)
8.

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

a)
The switch drops all incoming frames.
b)
The switch sends all frames to the CPU for processing.
c)
The switch learns new MAC addresses and updates the table.
d)
The switch floods unknown frames to all ports.
9.

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

a)
RADIUS server
b)
Access Point
c)
Supplicant
d)
Authenticator
10.

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?

a)

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

b)
  • 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

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

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

11.

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?

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

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

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

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

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

12.

Which type of VLAN-hopping attack may be prevented by designating an unused VLAN as the native VLAN?

a)
ARP spoofing attack
b)
Spanning tree attack
c)
Double tagging attack
d)
MAC flooding attack
13.

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?

a)
To enable ARP requests on the switch.
b)
To disable ARP inspection on the switch.
c)
To log all ARP packets received by the switch.
d)
To validate the source MAC address in ARP packets for security.
14.

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

a)
  • S1(config)# spanning-tree bpduguard default

b)
  • S1(config)# spanning-tree portfast bpduguard default

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

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

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

15.

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?

a)
Dynamic VLAN assignment
b)
Port security violation mode
c)
Static MAC address assignment
d)

Sticky secure MAC adresses

16.

Which type of management frame may regularly be broadcast by an AP?

a)
Beacon frames
b)
Data frames
c)
Management frames
d)
Control frames
17.

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

a)
  • delivering a broadcast frame

b)
  • receiving a broadcast beacon frame

c)
  • transmitting a probe request

d)
  • initiating a three-way handshake

e)
  • sending an ARP request

18.

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

a)
To enable guest access on the network.
b)
To change the router's password.
c)
To minimize interference from other wireless networks.
d)
To increase the router's speed.
19.

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?

a)
guest mode
b)
open mode
c)
secure mode
d)

active mode

20.

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)
802.11ac
b)
802.11b
c)
802.11g
d)
802.11n
21.

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?

a)
Change the default administrator password.
b)
Disable WPA2 encryption.
c)
Set the SSID to a default name.
d)
Enable guest network access.
22.

On a Cisco 3504 WLC dashboard, which option provides access to the full menu of features?

a)
Advanced tab
b)
System Status
c)
Network Configuration
d)
Basic Settings
23.

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

a)
  • Create a new SSID.

b)

Create a new VLAN interface

c)
  • Build or have an SNMP server available.

d)
  • Build or have a RADIUS server available.

24.

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)
The 5 GHz band has a longer range than 2.4 GHz, making it better for streaming.
b)
Using the 2.4 GHz band will reduce latency for streaming services.
c)
Using the 5 GHz frequency band can improve wireless network performance for streaming media services due to reduced interference and higher data rates.
d)
The 5 GHz frequency band is less crowded but has lower data rates than 2.4 GHz.
25.

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?

a)
To authenticate communication between the RADIUS server and the Cisco WLC.
b)
To encrypt data transmitted between the RADIUS server and the Cisco WLC.
c)
To store user credentials on the Cisco WLC.
d)
To limit the number of devices that can connect to the network.
26.

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

a)

Wireless Network Password

b)

AP Password

c)

SSID

d)

antenna frequency

e)

wireless beacon time

27.

Which access control component, implementation, or protocol is based upon usernames and passwords?

a)
Token-Based Authentication
b)
Kerberos Authentication
c)
Basic Authentication
d)
OAuth 2.0
28.

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

a)
NFC
b)
Zigbee
c)
Wi-Fi
d)
Bluetooth
29.

Which two Cisco solutions help prevent DHCP starvation attacks? (Choose two.)

a)

DHCP Snooping

b)

Port Security

c)

IP Source Guard

d)

Dynamic ARP Inspection

e)

Web Security Appliance

30.

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

a)

Enable Trunking Manually

b)

Disable DTP

c)

Set Native VLAN to Unused VLAN

d)

Enable Source Guard

e)

Use Private VLANs

31.

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

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

b)
  • The port has been shut down.

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

d)
  • The port has two attached devices.

32.

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)
RADIUS server
b)
Web server
c)
DNS server
d)
LDAP server
33.

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?

a)
Disable the 802.11n/ac features on the router.
b)
Increase the number of 802.11b devices on the network.
c)
Configure the router to use the 5 GHz band and optimize its placement.
d)
Switch to a single-band 2.4 GHz router.
34.

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?

a)
Increased risk of fire hazards.
b)
Higher electricity costs for the company.
c)

Accidental Interference.

d)
Limited access to kitchen supplies.
35.

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

a)
CAPWAP protocol is used for data encryption in wireless networks.
b)
CAPWAP protocol provides centralized management and control of wireless access points in a corporate network.
c)
CAPWAP protocol enhances the speed of wireless connections.
d)
CAPWAP protocol manages wired network devices in a corporate environment.
36.

doodle and familiarize

37.

What are two protocols that are used by AAA to authenticate users against a central database of usernames and password? (Choose two.)

a)

TACACS+

b)

RADIUS

c)

SSH

d)

HTTPS

e)

CHAP

38.

What is the result of a DHCP starvation attack?

a)
The result of a DHCP starvation attack is the exhaustion of available IP addresses, leading to denial of service for legitimate clients.
b)
The result of a DHCP starvation attack is improved network security.
c)
The result of a DHCP starvation attack is the allocation of more IP addresses to clients.
d)
The result of a DHCP starvation attack is increased network speed.
39.

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

a)
Trunking configuration on the switch.
b)
Port security features enabled.
c)
Static VLAN assignments only.
d)
Access control lists on the switch.
40.

Which component of AAA allows an administrator to track individuals who access network resources and any changes that are made to those resources?

a)
Accounting
b)
Authorization
c)
Authentication
d)
Encryption
41.

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?

a)

1

b)

3

c)

5

d)

7

42.

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)
disable
b)
restrict
c)
shutdown
d)
protect
43.

A laptop cannot connect to a wireless access point. Which two troubleshooting steps should be taken first? (Choose two.)

a)
  • Ensure that the wireless NIC is enabled.

b)
  • Ensure that the wireless SSID is chosen.

c)
  • Ensure that the correct network media is selected.

d)
  • Ensure that the laptop antenna is attached.

e)
  • Ensure that the NIC is configured for the proper frequency.

44.

What is an advantage of SSID cloaking?​

a)
Improved internet speed for connected devices.
b)
Automatic connection to the network without a password.
c)
Increased security by reducing visibility of the network.
d)
Easier network access for all users.
45.

What is a wireless security mode that requires a RADIUS server to authenticate wireless users?

a)
WPA-Personal
b)
WEP
c)
WPA-Enterprise
d)
WPA2-PSK
46.

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?

a)
Increase the number of users on the network.
b)
Disable security features to improve speed.
c)
Switch to a wired connection for all devices.
d)
Upgrade access points to dual-band and optimize placement.
47.

Which protocol can be used to monitor the network?

a)
SNMP (Simple Network Management Protocol)
b)
HTTP (Hypertext Transfer Protocol)
c)
FTP (File Transfer Protocol)
d)
SMTP (Simple Mail Transfer Protocol)
48.

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?

a)
Dynamic Host Configuration Protocol (DHCP)
b)
File Transfer Protocol (FTP)
c)
Simple Mail Transfer Protocol (SMTP)
d)
Network Address Translation (NAT)
49.

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?

a)
Quality of Service (QoS)
b)
Bandwidth Management
c)
Network Address Translation (NAT)
d)
Firewall Configuration
50.

Which access control component, implementation, or protocol is based on device roles of supplicant, authenticator, and authentication server?

a)
802.1X
b)
RADIUS
c)
LDAP
d)
Kerberos
51.

Which type of wireless network is suitable for national and global communications?

a)
Bluetooth networks
b)
Wi-Fi networks
c)
Satellite networks
d)
Local area networks
52.

Which feature on a switch makes it vulnerable to VLAN hopping attacks?

a)
VLAN tagging
b)
Port security
c)
Access control lists
d)
VLAN trunking
53.

Which component of AAA is used to determine which resources a user can access and which operations the user is allowed to perform?

a)
Accounting
b)
Authorization
c)
Authentication
d)
User Management
54.

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?

a)
  • The Fa0/24 interface of S1 is configured with the same MAC address as the Fa0/2 interface.

b)
  • The connection between S1 and PC1 is via a crossover cable.

c)
  • S1 has been configured with a switchport port-security aging command.

d)
  • The MAC address of PC1 that connects to the Fa0/2 interface is not the configured MAC address.

55.

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?

a)
  • If any of the FastEthernet ports 5 through 10 receive more than 6 DHCP messages per second, the port will be shut down.

b)
  • FastEthernet ports 5 through 10 can receive up to 6 DHCP messages per second of any type.

c)
  • 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.

d)
  • FastEthernet ports 5 through 10 can receive up to 6 DHCP discovery messages per second.

56.

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)
restrict
b)
shutdown
c)
protective
d)
protect
57.

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?

a)
Connect all devices to the 2.4 GHz band only.
b)
Disable the 5 GHz band entirely.
c)
Enable dual-band operation and connect devices to both 2.4 GHz and 5 GHz bands.
d)
Use a single SSID for both bands without separation.
58.

Which access control component, implementation, or protocol controls what users can do on the network?

a)

Accounting

b)

802.1x

c)

Authorization

d)

Authentication

59.

Which type of wireless network is suitable for providing wireless access to a city or district?

a)
Personal hotspot network
b)
Bluetooth mesh network
c)
Satellite internet connection
d)
Municipal wireless network (Wi-Fi mesh network)
60.

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?

a)
Access Points
b)
Network Settings
c)
WLANs
d)
Traffic Analysis
61.

What type of wireless antenna is best suited for providing coverage in large open spaces, such as hallways or large conference rooms?

a)
Parabolic antenna
b)
Omnidirectional antenna
c)
Yagi antenna
d)
Directional antenna
62.

What security benefit is gained from enabling BPDU guard on PortFast enabled interfaces?

a)
Prevents network loops and misconfigurations by shutting down the port if BPDUs are received.
b)
Enables faster data transmission on all interfaces.
c)
Increases bandwidth by allowing more BPDUs to be sent.
d)
Automatically configures VLANs on all ports.